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OFFSHORE STANDARD
DET NORSKE VERITAS AS
The electronic pdf version of this document found through http://www.dnv.com is the officially binding version
DNV-OS-D201
Electrical Installations
OCTOBER 2013
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Det Nors!e Veritas AS Octo"er 2013
An# co$$ents $a# "e sent "# e-$ail to [email protected]
This service document has been prepared based on available knowledge, technology and/or information at the time of issuance of this document, and is believed to reflect the best of contemporary technology. The use of this document by others than DNV is at the user's sole risk. DNV does not accept any liability or responsibility for loss or damages resulting fromany use of this document.
FOREWORD
DNV is a %lo"al &ro'i(er o) !no*le(%e )or $ana%in% ris!+ To(a#, sa)e an( res&onsi"le "siness con(ct is "ot. a licenseto o&erate an( a co$&etiti'e a('anta%e+ Or core co$&etence is to i(enti)#, assess, an( a('ise on ris! $ana%e$ent+ Fro$or lea(in% &osition in certi)ication, classi)ication, 'eri)ication, an( trainin%, *e (e'elo& an( a&&l# stan(ar(s an( "est
&ractices+ T.is .el&s or csto$ers sa)el# an( res&onsi"l# i$&ro'e t.eir "siness &er)or$ance+ DNV is an in(e&en(entor%anisation *it. (e(icate( ris! &ro)essionals in $ore t.an 100 contries, *it. t.e &r&ose o) sa)e%ar(in% li)e, &ro&ert#an( t.e en'iron$ent+
DNV ser'ice (oc$ents consist o) a$on% ot.ers t.e )ollo*in% t#&es o) (oc$ents/
Service Specifications. roce(ral reire$ents+
Standards. Tec.nical reire$ents+
Recommended Practices. i(ance+
T.e Stan(ar(s an( Reco$$en(e( ractices are o))ere( *it.in t.e )ollo*in% areas/
A4 5ali)ication, 5alit# an( Sa)et# 6et.o(olo%#
B4 6aterials Tec.nolo%#
C4 Strctres
D4 S#ste$s
E4 S&ecial Facilities
F4 i&elines an( Risers
4 Asset O&eration
H4 6arine O&erations74 Cleaner Ener%#
O4 S"sea S#ste$s
84 8ncon'entional Oil 9 as
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ffshore !tandard DNV"!"D#$%, ctober #$%&
()N*+! -+NT age &
CHANGES – CURRENT
General
T.is (oc$ent s&erse(es DNV-OS-D201, A&ril 2011+
Te:t a))ecte( "# t.e $ain c.an%es in t.is e(ition is .i%.li%.te( in re( color+ Ho*e'er, i) t.e c.an%es in'ol'e
a *.ole c.a&ter, section or s"-section, nor$all# onl# t.e title *ill "e in re( color+
Main changes October 2!"
# General
T.e (oc$ent .as "een &(ate( to "e in accor(ance *it. t.e ne* &rinci&les )or DNV O))s.ore Stan(ar(s )or Classi)ication, incl(in%/
T.e strctre o) t.is (oc$ent .as "een con'erte( to (eci$al n$"erin%+ Ol(er re)erences to t.is(oc$ent $a# nor$all# "e inter&rete( "# analo%# to t.is e:a$&le/
;DNV-OSS-101 C.+2 Sec+3 D<0=> is no* ;DNV-OSS-101 C.+2 Sec+3 ?@+<+=>+
Ali%n$ent *it. IACS, 6OD8 co(e an( ot.er rele'ant international stan(ar(s+ Inter&retations .a'e "een intro(ce(+
# Ch$! %ntro&'ction
Sec+1 ?1+3+1/ De)inition o) inter&retations .as "een incl(e(+ Sec+1 ?1+@/ Descri&tion o) t.e (oc$ents strctre as "een incl(e(+ Sec+1 ?@+10+1/ De)initions o) s*itc."oar(s, asse$"lies, s*itc.%ear an( control%ear %i'en+
# Ch$2 Technical (ro)isions
eneral
Detaile( rles .a'e "een restrctre( in or(er to clari)# t.eir relation to &rinci&al reire$ents+ E:istin% %i(ance notes .a'e "een &(ate( to s&eci)# t.at a )ollo* & is e:&ecte(+
Sec+1 eneral
?@+@+2/ T.e list o) Important services .as "een a$en(e(+ A$on% c.an%es/ a:iliar# "oilers in 'essels*it. HFO as t.e $ain )el is re%ar(e( as i$&ortant ei&$ent+
?@+@+3/ T.e list o) mergency services .as "een a$en(e(+ A$on% c.an%es/ na'i%ation an(co$$nication s#ste$ liste( as e$er%enc# s#ste$s+
?@+=+2/ E6C ones .a'e "een (e)ine(+
Sec+2 S#ste$ Desi%n
Se'eral (etaile( reire$ents .a'e "een (elete(/
in &re'ios D102 on "atter# c.ar%er in &re'ios H303 !enerator instrumentation a4 on "s"ar )reenc# rea(-ot in &re'ios I20< on li%.tin% circits )or car%o s&aces+
?1+2+2/ Soc!ets can "e acce&te( )or an# 'olta%e le'el+ ?2+2+</ Reire$ents relate( to re%eneration o) &o*er "# e+% *ater $illin% o) &ro&ellers are $a(e
a&&lica"le to all o))s.ore nits+ ?3+1+1/ Reire$ents )or 'entilation o) e$er%enc# %enerator roo$ an( coolin% o) e$er%enc# %enerator
&ri$e $o'er .a'e "een a((e(+ Ta"le 2-1/ Reire$ent )or e$er%enc# &o*er )or )ire )i%.tin% s#ste$ an( alar$ son(er s#ste$ .as
"een a((e(+ ?=+@/ i$itation )or ratin% o) soc!et otlets )or s.ore connection .as "een (elete(+ ?+1+1/ Reire$ent )or loa( s.e((in% s.all ta!e into accont "ot. acti'e an( reacti'e o'erloa(+ ?+2+@/ Co$$on s.ort circit &rotection is acce&ta"le )or non-i$&ortant cons$ers an( )or cons$er
constittin% a )nctional ser'ice %ro&+ ?+2+=/ Reire$ent to s.ort circit &rotection o) secon(ar# si(e o) control &o*er trans)or$er .as "een
$o(i)ie(+ ?+@+2/ Ne* reire$ent )or &rotection o) .i%. 'olta%e control trans)or$ers+
?+1+1/ I) one &ole or &.ase o) t.e control 'olta%e sorce is eart.e(, t.e control *irin% an( interloc!si) an#4 s.all "e installe( on t.e non-eart.e( si(e o) an# rela# coils+
?+2+2/ All %enerator &ri$e $o'ers an( %enerator circit "rea!ers s.all .a'e $eans )or $anal o&eration+ ?+2+@/ A s.t (o*n or sto& si%nal to t.e &ri$e $o'er s.all case (isconnection si%nal to t.e %enerator
circit "rea!er+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
()N*+! -+NT age 0
?+2+</ Eac. %enerator c"icle s.all .a'e a se&arate circit )ro$ t.e control 'olta%e (istri"tion, *it.se&arate s.ort circit &rotection+
?+@+2/ Reire$ent )or local control o) $otors an( $otor starters .as "een a((e(+ Ta"le 2-=/ Reire$ents )or $ini$$ cross-section o) eart. con(ctor .a'e "een &(ate(+ ?10+<+@/ Reire$ents )or (e-ratin% o) "nc.e( ca"les .a'e "een &(ate(+ ?10++1/ Ta"les )or Crrent ratin% o) ca"les *it. te$&eratre class =0, < an( G< (e%+ C .a'e "een (elete(+
Sec+3 Ei&$ent in %eneral ?2+3/ 6a:i$$ o&erational te$&eratre li$its .a'e "een &(ate(+ ?3+1+@/T.e &ossi"ilit# )or (e)inin% E6C ones as %i'en in IEC =0<33 .as "een incl(e(+ ?@+3+2/ Reire$ent to ca"le entrance clari)ie(+ ?@+=+1/ Reire$ent )or clearance an( cree&a%e (istances .a'e "een &(ate(+ ?+1/ eneral t#&e test reire$ent )or ei&$ent .as "een intro(ce(+
Sec+@ S*itc.%ear an( control%ear asse$"lies
?1+1+/ Reire$ents )or clearance an( cree&a%e (istances )or lo* 'olta%e ei&$ent .a'e "een $o(i)ie(+ ?1+1+G/ Reire$ents )or clearance an( cree&a%e (istances )or .i%. 'olta%e ei&$ent .a'e "een $o'e(
)ro$ Sec+3+ ?@+1+3/ Veri)ication reire$ents )or s.ort circit &rotection o) control &o*er trans)or$ers .a'e "een
intro(ce(, re) c.an%es in Sec+2 ?+2+=+
?@+1+@/ Reire$ents )or &o*er )reenc# tests )or lo* 'olta%e s*itc.%ears an( control%ears %i'en+ Sec+</ Rotatin% $ac.ines
?1+3+1/ Reire$ents )or te$&eratre (etectors )or &ro&lsion $otors .a'e "een $o'e( )ro$ Sec+12+ ?3+1+1/ Test reire$ents )or electrical $ac.ines .a'e "een &(ate(+
Sec+/ 6iscellaneos ei&$ent
?1+3+3/ Reire$ent to to& &late inclination o) s&ace .eaters .as "een re$o'e(+ Installationreire$ents .a'e "een $o'e( to Sec+10+
Sec+G/ Ca"les
?2+3+2/ 6ini$$ con(ctor cross section o) ca"les rate( a"o'e =10!V .as "een increase(+ ?2+=+2/ Reire$ent )or $ini$$ < (e%rees te$&eratre class o) &rotecti'e s.eet .as "een intro(ce(
an( acce&ta"le inslation $aterials .as "een &(ate(+ ?=+1+1/ Ne* reire$ents )or (ata co$$nication ca"les .a'e "een intro(ce(+ ?+1+1/ Ne* reire$ents )or )le:i"le ca"les .a'e "een intro(ce(+
Sec+10/ Installation
Ta"le 10-1/ T.e reire( I ratin% o) control (es!s in (r# control roo$s $a# "e rela:e(+ Ta"le 10-1/ I %ra(e reire( )or instr$entation co$&onents in (r# control roo$s an( s*itc."oar(
roo$s is c.an%e( )ro$ I 22 to I20+ ?2++1/ Ne* reire$ents to installation o) li%.tin% )i:tre re%ar(in% 8V resistant ca"les+ ?3+2+2 "4/ Reire$ent to 300 $$ se&aration "et*een .i%. 'olta%e ca"les an( lo* 'olta%e ca"les is
(elete(+ Ne* reire$ent in line *it. IACS 8R E11/ ;Hi%. 'olta%e ca"les are not to "e installe( ont.e sa$e ca"le tra# )or t.e ca"les o&eratin% at t.e no$inal s#ste$ 'olta%e o) 1 !V an( less>+
?3+3/ Reire$ents to ca"le &enetrations .a'e "een &(ate(+ ?3+<+2/ Al$ini$ ca"le tra#s $a# "e acce&te(+
?3+<+@/ Ben(in% ra(ises .a'e "een a(ste(+ ?3+G+@/ Eart.in% reire$ents to ca"le $etal co'erin% .a'e "een $o(i)ie(+ ?@+3+2/ Reire$ents )or electrical tests o) .i%. 'olta%e ca"le a)ter installation .a'e "een $o(i)ie(+ ?@+@+/ 6an(ator# test reire$ent )or .ar$onic (istortion .as "een intro(ce(+
Sec+11/ Haar(os areas installations
Ta"le 11-1/ T.e reire$ents )or (oc$entation o) Is-circit li$its an( 'ales are clari)ie(+ ?3+2+@/ E: reire$ent in roo$s )or re)ri%eratin% s#ste$s .as "een intro(ce(+ ?3+3+=/ Reire$ent )or eart. )alt &rotection in .aar(os area )or TN-S .as "een intro(ce(+
Sec+12/ Electric &ro&lsion
?1+1+1/ An o))s.ore nit *it. s.a)t %enerators4 *.ic. can "e o&erate( in a ;&o*er ta!e in> TI4 $o(es.all "e re%ar(e( as .a'in% electrical &ro&lsion+
?1+2+1/ T.e o&tion *it. onl# one electrical &ro&lsion $otor *it. to sets o) *in(in%s .as "een re$o'e(an( so$e ot.er s#ste$ (esi%n reire$ents )or electrical &ro&lsion .a'e "een $o(i)ie(+
?1+=+2/ Ne* reire$ent )or )ail sa)e )nctionalit# o) &o*er &lant control s#ste$+ ?1+=+3/ 6onitorin% reire$ents .a'e "een &(ate(+ ?2+1+1/ Reire$ents )or on"oar( testin% .as "een c.an%e(+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
()N*+! -+NT age 1
# Ch$" Certi*ication an& Classi*ication
Ta"le 1-2 .as "een a$en(e(+ A$on% t.e c.an%es/ o&eration $o(es s.all "e incl(e( in t.e S#ste$ &.iloso&.#+Calclation o) sin%le &.ase )alt a%ainst eart. s.all "e incl(e( )or s#ste$s *it. eart.e( netral+
Ta"le 1-3 .as "een a$en(e(+ A$on% t.e c.an%es/ )or &er$anent $a%net $otors, rele'ant (ra*in%s )or assess$ent o) $ec.anical stren%t. s.all "e s"$itte( )or a&&ro'al+
In a((ition to t.e a"o'e state( $ain c.an%es, e(itorial corrections $a# .a'e "een $a(e+
E&itorial Corrections
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ffshore !tandard DNV"!"D#$%, ctober #$%&
ontents age 2
CONTENTS
CHANES J C8RRENT +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3
CH$ ! %NTRODUCT%ON $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ !!
Sec$ ! General$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ !!! %ntro&'ction $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!!
1+1 Intro(ction++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 111+2 O"ecti'es ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++111+3 A&&lication $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ !!1+@ Strctre+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++11
2 Nor+ati)e re*erences$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!2
2+1 Stan(ar(s++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++122+2 Re)erence (oc$ents +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++12
" %n*or+ati)e re*erences$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$!2
3+1 eneral +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++12
, De*initions $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ !"
@+1 Ver"al )or$s ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++13@+2 O))s.ore nits+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 13@+3 O&erational con(itions +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 13@+@ Ser'ices ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1@@+< Installation++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++1<@+= Area (e)initions++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++1<@+ Haar(os area+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1<@+ Sorces o) &o*er, %eneratin% station an( (istri"tion+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++1=@+G S*itc."oar( (e)initions +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++1@+10 E:&ressions relate( to ei&$ent an( co$&onents +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++1
- Abbre)iations an& s.+bols $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ 2!
<+1 A""re'iations+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++21
/ Doc'+entation$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$2!
=+1 eneral +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++21
CH$ 2 TECHN%CA0 (RO1%S%ONS$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ 22
Sec$ ! General$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ 22
! %ntro&'ction $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$22
1+1 A&&lication+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 22
Sec$ 2 S.ste+ Design$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ 2"
! General $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$2"
1+1 Desi%n &rinci&le+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++231+2 S#ste$ 'olta%es an( )reenc#++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++2<
2 Main electric o3er s'l. s.ste+$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$24
2+1 eneral +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++22+2 S#ste$ )nctionalit# ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++2G
" E+ergenc. o3er s'l. s.ste+$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$"
3+1 eneral +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++303+2 Transitional sorce+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++3<3+3 E$er%enc# %enerators++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++3<
, 5atter. s.ste+s$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ "/
@+1 eneral +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++3=
- Starting arrange+ent *or engines 3ith electric starter $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$"4
<+1 eneral +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++3
/ Electric o3er &istrib'tion$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$"6
=+1 Distri"tion in %eneral +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3
=+2 i%.tin%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++3G=+3 o*er s&&l# to control an( $onitorin% s#ste$s++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @1=+@ o* 'olta%e s.ore connections++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++@2
4 (rotection$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$,2
+1 S#ste$ &rotection+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @2
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ffshore !tandard DNV"!"D#$%, ctober #$%&
ontents age 3
+2 Circit &rotection +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++@@+3 enerator &rotection ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++@<+@ Trans)or$er &rotection ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++@=+< 6otor &rotection ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++@+= Batter# &rotection+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ @+ Har$onic Filter &rotection+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++@
6 Control o* electric e7'i+ent$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ ,6
+1 Control circits+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++@+2 Control o) %enerator sets $ain an( e$er%enc# s*itc."oar(s ++++++++++++++++++++++++++++++++++++++++++++++++++++++@+3 Control o) s*itc.%ear an( control %ear +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<0+@ 6otor control +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<1+< E$er%enc# sto&++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ <2
8 O**shore 'nit arrange+ent$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$ -"
G+1 eneral +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<3G+2 S*itc."oar( arran%e$ent ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ <@G+3 Rotatin% $ac.ines++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<<G+@ Batter# installations +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<<G+< Ca"le rotin%++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<G+= i%.tnin% &rotection+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++<G+ Eart.in% o) al$ini$ s&erstrctres on steel o))s.ore nits +++++++++++++++++++++++++++++++++++++++++++++++++++++ <G
! Cable selection $$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$$-8
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!$!$" T.e stan(ar( .as "een *ritten )or %eneral *orl(-*i(e a&&lication+ o'ern$ental re%lations $a#incl(e reire$ents in e:cess o) t.e &ro'isions "# t.is stan(ar( (e&en(in% on t.e sie, t#&e, location an(inten(e( ser'ice o) t.e o))s.ore nitinstallation+
!$2 Ob=ecti)es
!$2$! T.e o"ecti'es o) t.is stan(ar( are to/
&ro'i(e an internationall# acce&ta"le stan(ar( o) sa)et# "# (e)inin% $ini$$ reire$ents )or o))s.oreelectrical installations
ser'e as a contractal re)erence (oc$ent "et*een s&&liers an( &rc.asers ser'e as a %i(eline )or (esi%ners, s&&liers, &rc.asers an( re%lators s&eci)# &roce(res an( reire$ents )or o))s.ore nits or installations s"ect to DNV Certi)ication an(
Classi)ication+
!$" Alication
!$"$! %nterretations
T.is stan(ar( .as "een "ase( on international acce&te( &rinci&al reire$ents, (e)ine( in t.e nor$ati'e re)erencesas liste( in ?2+ In cases *.ere t.ese a4 contain onl# )nctional reire$ents, "4 allo* alternati'e soltions to &rescri&ti'e reire$ents or c4 are %enerall# or 'a%el# *or(e(, a DNV inter&retation .as "een a((e(+
!$"$2 T.e inter&retations are not ai$in% at intro(cin% a((itional reire$ents "t at ac.ie'in% ni)or$a&&lication o) t.e &rinci&al reire$ents+ T.e inter&retations can "e re%ar(e( as nor$s )or )l)illin% t.e
&rinci&le reire$ents+
!$"$" T.e inter&retations (o not &recl(e t.e se o) ot.er alternati'e soltions+ Sc. soltions s.all "e(oc$ente( an( a&&ro'e( )or co$&liance to t.e &rinci&al reire$ent ei'alent to t.e ori%inal inter&retation+
!$"$, Classi*ication
For se o) t.is stan(ar( as tec.nical "asis )or o))s.ore classi)ication as *ell as (escri&tion o) &rinci&les, &roce(res, an( a&&lica"le class notations relate( to classi)ication ser'ices, see Ta"le 1-1+
!$, Str'ct're
!$,$! T.is stan(ar( is (i'i(e( into t.ree c.a&ters/
C.+1/ eneral intro(ction, sco&e, (e)initions an( re)erences C.+2/ Tec.nical reire$ents (i'i(e( o'er t.e )ollo*in% to&ics/
Sec+1 eneral Sec+2/ S#ste$ Desi%n Sec+3/ Ei&$ent in eneral Sec+@/ S*itc.%ear an( Control%ear Asse$"lies Sec+</ Rotatin% 6ac.ines Sec+=/ o*er Trans)or$ers Sec+/ Se$i-con(ctor Con'erters
Sec+/ 6iscellaneos Ei&$ent Sec+G/ Ca"les Sec+10/ Installation Sec+11/ Haar(os Areas Installations Sec+12/ Electric ro&lsion
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.% !ec.% *eneral age %#
C.+3/ Descri"in% t.e se o) t.is stan(ar( )or classi)ication &r&oses incl(in% an o'er'ie* o) t.ecerti)ication reire$ents
2 Nor+ati)e re*erences
2$! Stan&ar&s
2$!$! T.e reire$ents in t.is stan(ar( are %enerall# "ase( on &rinci&les as (e)ine( in t.e SOAS C.+ II-1 an(I6O 6OD8 Co(e an( a&&lica"le stan(ar(s )or s.i&s an( o))s.ore nits as isse( "# t.e InternationalElectrotec.nical Co$$ission IEC4+
G'i&ance note>
T.is i$&lies &ri$aril# t.e =00G2 series )or s.i&s, an( =1G2 1 to 4 )or o))s.ore nits+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$!$2 T.e &"lications liste( in Ta"le 1-1 an( Ta"le 1-2 incl(es &ro'isions *.ic., t.ro%. re)erence in t.ete:t, constitte &ro'isions o) t.is o))s.ore stan(ar(+ T.e latest isse o) t.e re)erences s.all "e se( nlessot.er*ise a%ree(+
2$!$" Ot.er reco%nise( stan(ar(s $a# "e se( &ro'i(e( it can "e (e$onstrate( t.at t.ese $eet or e:cee( t.ereire$ents o) t.e &"lications liste( in Ta"le 1-1 an( Ta"le 1-2+
2$!$, An# (e'iations, e:ce&tions an( $o(i)ications to t.e (esi%n co(es an( stan(ar(s s.all "e (oc$ente( an(a%ree( "et*een t.e s&&lier, &rc.aser an( 'eri)ier, as a&&lica"le+
2$2 Re*erence &oc'+ents
2$2$! A&&lica"le DNV &"lications are %i'en in Ta"le 1-1 an( Ta"le 1-2+
2$2$2 Ot.er re)erence (oc$ents are %i'en in Ta"le 1-3+
" %n*or+ati)e re*erences
"$! General
"$!$! In)or$ati'e re)erences are not consi(ere( $an(ator# in t.e a&&lication o) t.e o))s.ore stan(ar(, "t $a# "e a&&lie( or se( )or "ac!%ron( in)or$ation+
Table !:! DN1 O**shore Ser)ice Seci*ications
Reference Title
DNV-OSS-101 Rles )or Classi)ication o) O))s.ore Drillin% an( S&&ort 8nits
DNV-OSS-102 Rles )or Classi)ication o) Floatin% ro(ction, Stora%e an( oa(in% 8nits
DNV-OSS-103 Rles )or Classi)ication o) N Floatin% ro(ction an( Stora%e 8nits or Installations
Table !:2 DN1 R'les? Stan&ar&s an& Reco++en&e& ractices
"o. Title
DNV Rles )or Classi)ication o) S.i&s
DNV-OS-D202 Ato$ation, Sa)et#, an( Teleco$$nication S#ste$s
DNV-R-A201 lan A&&ro'al Doc$entation T#&es J De)initions
Table !:" Nor+ati)e re*erences
"o. Title
IEC =00G2 Electrical installations in s.i&s
IEC =1G2 6o"ile an( )i:e( o))s.ore nits - Electrical installations
IEC Ot.er IEC stan(ar(s as re)erence( in t.e te:t
I6O 6OD8 Co(e 200G International 6ariti$e Or%anisation - O))s.oreL Co(e )or Constrction an( Ei&$ento) 6o"ile O))s.ore Drillin% 8nits
SOAS 1G@ International Con'ention )or t.e Sa)et# o) i)e at Sea
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.% !ec.% *eneral age %&
"$!$2 In)or$ati'e re)erences are %i'en in Ta"le 1-@+
, De*initions
,$! 1erbal *or+s
,$!$! Shall: Ver"al )or$ se( to in(icate reire$ents strictl# to "e )ollo*e( in or(er to con)or$ to t.e (oc$ent+
,$!$2 Should: Ver"al )or$ se( to in(icate t.at a$on% se'eral &ossi"ilities one is reco$$en(e( as &articlarl#sita"le, *it.ot $entionin% or e:cl(in% ot.ers, or t.at a certain corse o) action is &re)erre( "t notnecessaril# reire(+
,$!$" #ay: Ver"al )or$ se( to in(icate a corse o) action &er$issi"le *it.in t.e li$its o) t.e (oc$ent+
,$!$, "ormally: T.e ter$ ;nor$all#>, or ;nor$all# not>, *.en se( in t.ese rles, s.all "asicall# "e
n(erstoo( as a clear reire$ent in line *it. ;s.all>, or ;s.all not>+ Ho*e'er, &on reest, ot.er (esi%ns $a# "e acce&te(+
,$!$- lectrical installations: T.e ter$ electrical installations are an all-inclsi'e %eneral e:&ression t.at is notli$ite( to t.e &.#sical installations+ For &.#sical installations, t.e *or(in%, ;installation o)M> is se(+
,$2 O**shore 'nits
,$2$! $olumn%stabilised unit: A nit *it. t.e $ain (ec! connecte( to t.e n(er*ater .ll or )ootin%s "#col$ns+
,$2$2 &loating offshore installation: A "o#ant constrction en%a%e( in o))s.ore o&erations incl(in% (rillin%, &ro(ction, stora%e or s&&ort )nctions, an( *.ic. is (esi%ne( an( "ilt )or installation at a &articlar o))s.orelocation.
,$2$" #obile offshore unit: A "o#ant constrction en%a%e( in o))s.ore o&erations incl(in% (rillin%, &ro(ction, stora%e or s&&ort )nctions, not inten(e( )or ser'ice at one &articlar o))s.ore site an( *.ic. can "e relocate( *it.ot $aor (is$antlin% or $o(i)ication+
,$2$, 'ffshore installation: A collecti'e ter$ to co'er an# constrction, "o#ant or non-"o#ant, (esi%ne( an( "ilt )or installation at a &articlar o))s.ore location+
,$2$- Self%elevating unit: A nit *it. $o'a"le le%s ca&a"le o) raisin% its .ll a"o'e t.e sr)ace o) t.e sea+
,$2$/ Ship%shaped unit: A nit *it. a s.i&- or "ar%e-t#&e (is&lace$ent .ll o) sin%le or $lti&le .llconstrction inten(e( )or o&eration in t.e )loatin% con(ition+
For t.e &r&ose o) C.+2 o) t.is stan(ar(, s.i&-s.a&e( nits s.all "e re%ar(e( as o))s.ore nits, not as s.i&s+
,$" Oerational con&itions
,$"$! "ormal operational and habitable condition: Nor$al o&erational an( .a"ita"le con(ition is a con(itionn(er *.ic. t.e nit, as a *.ole, is in *or!in% or(er an( )nctionin% nor$all#+ As a $ini$$, t.e )ollo*in%)nctions s.all "e o&erational/ ro&lsion $ac.iner#, steerin% %ear, sa)e na'i%ation, )ire an( )loo(in% sa)et#,internal an( e:ternal co$$nications an( si%nals, $eans o) esca&e, e$er%enc# "oat *inc.es, anc.or *inc.esan( li%.tin% necessar# to &er)or$ nor$al o&eration an( $aintenance o) t.e nit+ A((itionall#, (esi%ne(co$)orta"le con(itions )or .a"ita"ilit#, incl(in%L coo!in%, .eatin%, (o$estic re)ri%eration, $ec.anical'entilation, sanitar# an( )res. *ater+ All tilit# s#ste$s )or t.e liste( )nctions s.all "e incl(e(+ E:e$&tionsare $a(e )or cons$ers )or *.ic. I6O reires e$er%enc# &o*er onl#+ Sc. cons$ers are consi(ere( ase$er%enc# cons$ers, an( not as reire( )or nor$al o&erational an( .a"ita"le con(itions+
,$"$2 mergency condition: An e$er%enc# con(ition is a con(ition n(er *.ic. an# ser'ices nee(e( )or nor$al o&erational an( .a"ita"le con(itions are not in *or!in% or(er (e to t.e )ailre o) t.e $ain sorce o) electrical &o*er s#ste$+
,$"$" (ead ship condition/ Dea( s.i& con(ition is t.e con(ition n(er *.ic. t.e $ain &ro&lsion &lant, "oilersan( a:iliaries are not in o&eration (e to t.e a"sence o) &o*er+ Batteries an( or &ressre nits )or startin% o) t.e $ain an( a:iliar# en%ines are consi(ere( (e&lete(+ E$er%enc# %eneration is consi(ere( a'aila"le+ For a$ore (etaile( (e)inition o) (ea( s.i&, see DNV-OS-D101+
Table !:, %n*or+ati)e re*erences
"o. Title
DNV-OS-E101 Drillin% lant
DNV-OS-E201 H#(rocar"on ro(ction lant
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.% !ec.% *eneral age %0
,$"$, )lac*out situation: Blac!ot sitation occrs *.en t.ere is a s((en loss o) electric &o*er in t.e $ain(istri"tion s#ste$ an( re$ains ntil t.e $ain sorce o) &o*er )ee(s t.e s#ste$+ All $eans o) startin% "# store(ener%# are a'aila"le+
,$, Ser)ices
,$,$! Essential ser)ices
a4 Essential &ri$ar# essential4 ser'ices are t.ose ser'ices t.at nee( to "e in continos o&eration )or $aintainin% t.e nits $anoe'ra"ilit# in re%ar( to &ro&lsion an( steerin%+ T.e (e)inition is e:ten(e( )or s#ste$s associate( *it. t.e o))s.ore nitinstallation to co'er s#ste$s *.ic. are nee(e( to "e a'aila"le on(e$an( to &re'ent (e'elo&$ent o), or to $iti%ate t.e e))ects o) an n(esira"le e'ent, an( to sa)e%ar( t.e
&ersonnel, en'iron$ent an( t.e installation+ T.e (e)inition essential ser'ices $a# also a&&l# to ot.er ser'ices *.en t.ese are (e)ine( as sc. in t.e DNV O))s.ore Stan(ar(s+
"4 E:a$&les o) ei&$ent an( or s#ste$s )or essential ser'ices co'ere( "# $ain class/
control, $onitorin% an( sa)et# (e'ices or s#ste$s )or ei&$ent )or essential ser'ices sca'en%in% air "lo*er, )el oil s&&l# &$&s, )el 'al'e coolin% &$&s, l"ricatin% oil &$&s an(
)res.*ater coolin% *ater &$&s )or $ain an( a:iliar# en%ines 'iscosit# control ei&$ent )or .ea'# )el oil 'entilation necessar# to $aintain &ro&lsion
)orce( (ra%.t )ans, )ee( *ater &$&s, *ater circlatin% &$&s, con(ensate &$&s, oil "rnin%installations, )or stea$ &lants on stea$ tr"ine nits, an( also )or a:iliar# "oilers on nits *.ere stea$is se( )or ei&$ent s&&l#in% &ri$ar# essential ser'ices
steerin% %ears ai$t. t.rsters *.ic. are t.e sole $eans )or &ro&lsion or steerin% - *it. l"ricatin% oil &$&s,
coolin% *ater &$&s electrical ei&$ent )or electric &ro&lsion &lant - *it. l"ricatin% oil &$&s an( coolin% *ater &$&s &$&s or $otors )or controlla"le &itc. &ro&lsion or steerin% &ro&ellers, incl(in% ai$t. control .#(ralic &$&s s&&l#in% t.e a"o'e ei&$ent electric %enerators an( associate( &o*er sorces s&&l#in% t.e a"o'e ei&$ent+ )ire &$&s e$er%enc# s.t (o*n ESD4 s#ste$ o) an o))s.ore nit+
,$,$2 %+ortant ser)ices
a4 I$&ortant secon(ar# essential4 ser'ices are t.ose ser'ices t.at nee( not necessaril# "e in continoso&eration )or $aintainin% )or t.e nits $anoe'ra"ilit#, "t *.ic. are necessar# )or $aintainin% t.e nits)nctions+ T.e (e)inition is e:ten(e( )or s#ste$s associate( *it. t.e o))s.ore nitinstallation to co'er s#ste$s, *.ic. ensres relia"le o&eration an( *.ic. $aintains &lant o&eration *it.in o&erationalli$itations+ I$&ortant electrical cons$ers are electrical cons$ers ser'in% i$&ortant ser'ices+ T.e(e)inition i$&ortant ser'ices $a# also a&&l# to ot.er ser'ices *.en t.ese are (e)ine( as sc. in t.e DNVO))s.ore Stan(ar(s+
"4 E:a$&les o) ei&$ent or s#ste$s )or i$&ortant ser'ices co'ere( "# $ain class/
anc.orin% s#ste$ t.rsters not &art o) steerin% or &ro&lsion )el oil trans)er &$&s an( )el oil treat$ent ei&$ent
l"rication oil trans)er &$&s an( l"rication oil treat$ent ei&$ent &re-.eaters )or .ea'# )el oil sea*ater &$&s startin% air an( control air co$&ressors "il%e, "allast an( .eelin% &$&s 'entilatin% )ans )or en%ine an( "oiler roo$s 'entilatin% )ans )or %as (an%eros s&aces an( )or %as sa)e s&aces in t.e car%o area on tan!ers inert %as )ans )ire an( %as (etection an( alar$ s#ste$ $ain li%.tin% s#ste$ electrical ei&$ent )or *aterti%.t closin% a&&liances electric %enerators an( associate( &o*er sorces s&&l#in% t.e a"o'e ei&$ent .#(ralic &$&s s&&l#in% t.e a"o'e ei&$ent
control, $onitorin% an( sa)et# s#ste$s )or car%o contain$ent s#ste$s control, $onitorin% an( sa)et# (e'ices or s#ste$s )or ei&$ent to i$&ortant ser'ices ac!in% $otors *ater in%ress (etection an( alar$ s#ste$ a:iliar# "oilers in o))s.ore nits *it. HFO as t.e $ain )el+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.% !ec.% *eneral age %1
,$,$" E+ergenc. ser)ices
a4 E$er%enc# ser'ices are t.ose ser'ices t.at are essential )or sa)et# in an e$er%enc# con(ition+
"4 E:a$&les o) ei&$ent an( s#ste$s )or e$er%enc# ser'ices/
ei&$ent an( s#ste$s t.at nee( to "e in o&eration in or(er to $aintain, at least, t.ose ser'ices t.at arereire( to "e s&&lie( )ro$ t.e e$er%enc# sorce o) electrical &o*er
ei&$ent an( s#ste$s t.at nee( to "e in o&eration in or(er to $aintain, at least, t.ose ser'ices t.at arereire( to "e s&&lie( )ro$ t.e acc$lator "atter# )or t.e transitional sorces4 o) e$er%enc#electrical &o*er
ei&$ent an( s#ste$s )or startin% an( control o) e$er%enc# %eneratin% sets ei&$ent an( s#ste$s )or startin% an( control o) &ri$e $o'ers e+%+ (iesel en%ines4 )or e$er%enc# )ire
)i%.tin% &$&s ei&$ent an( s#ste$s t.at nee( to "e in o&eration )or t.e &r&ose o) startin% & $anall#, )ro$ a
;(ea( s.i&> con(ition, t.e &ri$e $o'er o) t.e $ain sorce o) electrical &o*er e+%+ t.e e$er%enc#co$&ressor4
ei&$ent an( s#ste$s t.at nee( to "e in o&eration )or t.e &r&ose o) )ire )i%.tin% in t.e $ac.iner#s&aces+ T.is incl(es e$er%enc# )ire )i%.tin% &$&s *it. t.eir &ri$e $o'er an( s#ste$s, *.enreire( accor(in% to DNV-OS-D301+
c4 Ei&$ent reire( to "e &o*ere( )ro$ t.e e$er%enc# sorce o) &o*er as e+%+/
na'i%ational li%.ts an( si%nals na'i%ation ei&$ent internal an( e:ternal sa)et# co$$nication ei&$ent+
(4 Frt.er reire$ents )or e$er%enc# ser'ices are %i'en in C.+2 Sec+2+
,$,$, Non:i+ortant ser)ices
Non-i$&ortant ser'ices are t.ose ser'ices not (e)ine( as essential or i$&ortantL or t.ose ser'ices t.at are not(e)ine(, accor(in% to ?@+3+1, ?@+3+2 an( ?@+3+3+
,$- %nstallation
,$-$! Short circ'it roo* installation
For lo* 'olta%e installations, s.ort circit &roo) installation $eans one o) t.e )ollo*in% $et.o(s/
"are con(ctors $onte( on isolatin% s&&orts sin%le core ca"les i+e+, con(ctors *it. "ot. inslation an( o'erall ac!et4 *it.ot $etallic screen or
ar$or or "rai(, or *it. t.e "rai( )ll# inslate( "# .eat s.rin! slee'es in "ot. en(s inslate( con(ctors *ires4 )ro$ (i))erent &.ases !e&t se&arate( )ro$ eac. ot.er an( )ro$ eart. "#
s&&orts o) inslatin% $aterials, or "# t.e se o) oter e:tra slee'es (o"le inslate( *ires or con(ctors+
,$/ Area &e*initions
,$/$! Oen &ec9
O&en (ec! is a (ec! t.at is co$&letel# e:&ose( to t.e *eat.er )ro$ a"o'e or )ro$ at least one si(e+
,$/$2 EMC <onea4 Dec! an( "ri(%e one/ area in close &ro:i$it# to recei'in% an(or trans$ittin% antennas an( t.e *.eel.ose
as *ell as t.e control roo$s, c.aracterie( "# ei&$ent )or interco$$nication, si%nal &rocessin%, ra(ioco$$nication an( na'i%ation, a:iliar# ei&$ent an( lar%e o&enin%s in t.e $etallic strctre+
"4 eneral &o*er (istri"tion one/ area c.aracterie( "# nor$al cons$ers+
c4 S&ecial &o*er (istri"tion one/ area c.aracterie( "# &ro&lsion s#ste$s, "o* t.rsters, etc+, &ro(cin%e$issions e:cee(in% t.e li$its %i'en )or t.e eneral &o*er (istri"tion one+
G'i&ance note>
T.ese (e)initions o) E6C ones are "ase( on IEC =0<33+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$4 Ha<ar&o's area,$4$! Area &e*initions
A .aar(os area is an area ones an( s&aces4 containin% a sorce o) .aar( an( or in *.ic. e:&losi'e %as an(air $i:tre e:ists, or $a# nor$all# "e e:&ecte( to "e &resent in antities sc. as to reire s&ecial &recations
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.% !ec.% *eneral age %2
)or t.e constrction an( se o) electrical ei&$ent an( $ac.iner#+
,$4$2 Certi*ie& sa*e e7'i+ent
Certi)ie( sa)e ei&$ent is ei&$ent certi)ie( "# an in(e&en(ent national test instittion or co$&etent "o(#to "e in accor(ance *it. a reco%nise( stan(ar( )or electrical a&&arats in .aar(os areas+
,$4$" Mar9ing o* certi*ie& sa*e e7'i+ent
Certi)ie( sa)e ei&$ent s.all "e $ar!e( in accor(ance *it. a reco%nise( stan(ar( )or electrical a&&arats in.aar(os areas+ T.is incl(es at least/
e:-&rotection t#&e an( E: certi)icate n$"er %as an( ei&$ent %ro&, accor(in% to Ta"le 1-< te$&eratre class, accor(in% to Ta"le 1-=+
G'i&ance note>
Co$&arison "et*een t.e IEC "ase( one, NEC "ase( (i'isions an( ATE ei&$ent cate%ories are %i'en inTa"le 1-+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$6 So'rces o* o3er? generating station an& &istrib'tion
,$6$! Main so'rce o* electrical o3er
A $ain sorce o) electrical &o*er is a sorce inten(e( to s&&l# electrical &o*er to t.e 6ain S*itc."oar(s4)or (istri"tion to all ser'ices necessar# )or $aintainin% t.e nit in nor$al o&erational an( .a"ita"le con(itions+
G'i&ance note>
A %enerator &ri$e $o'er an( associate( ei&$ent is calle( ;%eneratorsP &ri$ar# sorce o) &o*er>+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$6$2 E+ergenc. so'rce o* electrical o3er
An e$er%enc# sorce o) electrical &o*er is a sorce inten(e( to s&&l# t.e E$er%enc# S*itc."oar( an(or ei&$ent )or e$er%enc# ser'ices in t.e e'ent o) )ailre o) t.e s&&l# )ro$ t.e $ain sorce o) electrical &o*er+
Table !:- E7'i+ent an& gas gro's
!as groups+I$ surface industry , II-
Representative gas "$ +0S surface industry , class 1-
II A ro&ane ro& D
II B Et.#lene ro& C
II C H#(ro%en ro& BII C Acet#lene ro& A
Table !:/ Te+erat're classes
Temperature classes+e2uipment ma3imum temperature-
I$ and " norms
Ignition temperature of gas or vapour 4$ $orresponding "$ +0S-temperature classes
T1 A"o'e @<0 T 1
T2 A"o'e 300 T 2 Q
T3 A"o'e 200 T 3 Q
T@ A"o'e 13< T @ Q
T< A"o'e 100 T <
T= A"o'e < T =
Q Inter$e(iate 'ales o) te$&eratre classes "# letter $ar!in% ABCD e:ist+
Table !:4 Di)isions an& <ones
$ontinuous ha5ard Intermittent ha5ard 6a5ard under abnormal conditions
NEC<00-<03 Di'ision 1 Di'ision 1 Di'ision 2
IEC one 0one 20 (st4
one 1one 21 (st4
one 2one 22 (st4
ATE Cate%or# 1 Cate%or# 2 Cate%or# 3
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G'i&ance note>
E$er%enc# sorce o) electrical &o*er $a# "e %enerators4 or "atter#ies4+
A %enerator &ri$e $o'er an( associate( ei&$ent is calle( ;e$er%enc# %eneratorsP &ri$ar# sorce o) &o*er>+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$6$" Main electric o3er s'l. s.ste+
a4 A $ain electric &o*er s&&l# s#ste$ consists o) t.e $ain sorce o) electric &o*er an( associate( electrical(istri"tion+ T.is incl(es t.e $ain electrical %enerators, "atteries, associate( trans)or$in% ei&$ent i) an#, t.e 6ain S*itc."oar(s 6SB4, (istri"tion "oar(s DB4 an( all ca"les )ro$ %enerators to t.e )inalcons$er+
"4 Control s#ste$s an( a:iliar# s#ste$s nee(e( to "e in o&eration )or t.e a"o'e $entione( s#ste$s or ei&$ent are incl(e( in t.is ter$+
,$6$, E+ergenc. electric o3er s'l. s.ste+
a4 An e$er%enc# electric &o*er s&&l# s#ste$ consists o) t.e e$er%enc# sorce o) electric &o*er an(associate( electrical (istri"tion+ T.is incl(es e$er%enc# %enerators, "atteries, associate( trans)or$in%ei&$ent i) an#, t.e transitional sorce o) e$er%enc# &o*er, t.e E$er%enc# S*itc."oar(s ESB4,E$er%enc# Distri"tion Boar(s EDB4 an( all ca"les )ro$ t.e e$er%enc# %enerator to t.e )inal cons$er+
"4 A transitional sorce o) &o*er is consi(ere( to "e &art o) t.e e$er%enc# electric &o*er s&&l# s#ste$+
c4 Control s#ste$s an( a:iliar# s#ste$s nee(e( to "e in o&eration )or t.e a"o'e $entione( s#ste$s or ei&$ent are incl(e( in t.is ter$+
,$6$- Main generating station
A $ain %eneratin% station is a s&ace in *.ic. t.e $ain sorce o) electrical &o*er is sitate(+
,$6$/ S.ste+ 3ith high resistance earthe& ne'tral
A s#ste$ *it. .i%. resistance eart.e( netral is a s#ste$ *.ere t.e netral is eart.e( t.ro%. a resistance *it.n$erical 'ale eal to, or so$e*.at less t.an, 13 o) t.e ca&aciti'e reactance "et*een one &.ase an( eart.+
,$6$4 S.ste+ 3ith lo3 resistance earthe& ne'tral
A s#ste$ *it. lo* resistance eart.e( netral is a s#ste$ *.ere t.e netral is eart.e( t.ro%. a resistance *.ic.li$its t.e eart. )alt crrent to a 'ale o) $ini$$ 20 an( $a:i$$ 100 o) t.e rate( )ll loa( crrent o) t.e lar%est %enerator+
,$6$6 1oltage le)els
T.e ter$inolo%# se( in t.ese rles are as )ollo*s/
Safety voltage: rate( 'olta%e not e:cee(in% <0 V AC 7ow voltage: rate( 'olta%es o) $ore t.an <0 V & to an( inclsi'e 1 000 V *it. rate( )reencies o) <0 H
or =0 H, or (irect-crrent s#ste$s *.ere t.e $a:i$$ 'olta%e (oes not e:cee( 1 <00 V 6igh voltage: rate( 'olta%es o) $ore t.an 1 !V an( & to an( inclsi'e 1< !V *it. rate( )reencies o) <0
H or =0 H, or (irect-crrent s#ste$s *it. t.e $a:i$$ 'olta%e n(er rate( o&eratin%con(itions a"o'e 1 <00 V+
,$6$8 Contin'it. o* ser)iceCon(ition )or &rotecti'e s#ste$ an( (iscri$inationL a)ter a )alt in a circit .as "een cleare(, t.e s&&l# to t.e.ealt.# circits is re-esta"lis.e(+
,$6$! Contin'it. o* s'l.
Con(ition )or &rotecti'e s#ste$ an( (iscri$inationL (rin% an( a)ter a )alt in a circit, t.e s&&l# to t.e .ealt.#circits is &er$anentl# ensre(+
,$8 S3itchboar& &e*initions
,$8$! Main s3itchboar&
a4 A 6ain S*itc."oar( 6SB4 is a s*itc."oar( (irectl# s&&lie( "# t.e $ain sorce o) electrical &o*er or &o*er trans)or$er an( inten(e( to (istri"te electrical ener%# to t.e nits ser'ices+
"4 S*itc."oar(s not "ein% (irectl# s&&lie( "# t.e $ain sorce o) &o*er *ill "e consi(ere( as 6ainS*itc."oar(s *.en t.is is )on( rele'ant )ro$ a s#ste$ an( o&erational &oint o) 'ie*+
c4 Tec.nical reire$ents )or )nctionalit# an( constrction o) 6ain S*itc."oar(, a&&l# also to E$er%enc#S*itc."oar(s
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Inter&retation/
14 Nor$all#, all s*itc."oar(s "et*een t.e $ain sorce o) electrical &o*er an( inclsi'e4 t.e )irst le'elo) s*itc."oar(s )or &o*er (istri"tion, to s$all &o*er cons$ers, s.ol( consi(ere( to "e 6ainS*itc."oar( 6SBs4 i+e+ at least )irst le'el o) s*itc."oar(s )or eac. 'olta%e le'el se(4+
24 C"icles )or ot.er s#ste$ 'olta%es attac.e( to a 6ain S*itc."oar( s.ol( "e consi(ere( &art o) t.e6ain S*itc."oar(+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
,$8$2 E+ergenc. s3itchboar&
a4 An E$er%enc# S*itc."oar( ESB4 is a s*itc."oar(, *.ic. in t.e e'ent o) )ailre o) t.e $ain electrical &o*er s&&l# s#ste$, is (irectl# s&&lie( "# t.e e$er%enc# sorce o) electrical &o*er an(or t.etransitional sorce o) e$er%enc# &o*er an( is inten(e( to (istri"te electrical ener%# to t.e e$er%enc#
&o*er cons$ers+
"4 S*itc."oar(s not "ein% (irectl# s&&lie( "# t.e e$er%enc# sorce o) &o*er $a# "e consi(ere( asE$er%enc# S*itc."oar(s *.en t.is is )on( rele'ant )ro$ a s#ste$ an( o&erational &oint o) 'ie*+
Inter&retation/
Nor$all# all s*itc."oar(s "et*een t.e e$er%enc# sorce o) electrical &o*er an( inclsi'e4 t.e )irst le'elo) s*itc."oar(s, )or &o*er (istri"tion to s$all &o*er cons$ers, s.ol( consi(ere( to "e E$er%enc#S*itc."oar(s ESBs4 i+e+ at least one le'el o) s*itc."oar(s )or eac. 'olta%e le'el se(4+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
,$8$" Distrib'tion boar& an& e+ergenc. &istrib'tion boar&
A (istri"tion "oar( DB4 or an e$er%enc# (istri"tion "oar( EDB4 is an# s*itc."oar( tilise( )or (istri"tion to electrical cons$ers, "t *.ic. is not consi(ere( as a $ain or E$er%enc# S*itc."oar(+
,$! E;ressions relate& to e7'i+ent an& co+onents
,$!$! S3itchboar&s? asse+blies? s3itchgear an& controlgear
a4 For (e)initions o) ter$s relate( to s*itc.%ear an( control%ear, see IEC =0G@-1 )or lo* 'olta%e, an( IEC=0@0 an( IEC =00<= )or .i%. 'olta%e ei&$ent+
For asse$"lies, t.e )ollo*in% (e)initions are se( in t.e rlesRe)+erence to t.e InternationalElectritec.nical Voca"lar# %i'en in "rac!ets4/
Control%ear IEV re) @@1-11-034/ a %eneral ter$ co'erin% s*itc.in% (e'ices an( t.eir co$"ination *it.associate( control, $easrin%, &rotecti'e an( re%latin% ei&$ent, also asse$"lies o) sc. (e'icesan( ei&$ent *it. associate( interconnections, accessories, enclosres an( s&&ortin% strctres,inten(e( in &rinci&le )or t.e control o) electric ener%# cons$in% ei&$ent
S*itc.%ear IEV re) @@1-11-024/ a %eneral ter$ co'erin% s*itc.in% (e'ices an( t.eir co$"ination *it.associate( control, $easrin%, &rotecti'e an( re%latin% ei&$ent, also asse$"lies o) sc. (e'ices
an( ei&$ent *it. associate( interconnections, accessories, enclosres an( s&&ortin% strctres,inten(e( in &rinci&le )or se in connection *it. %eneration, trans$ission, (istri"tion an( con'ersiono) electric ener%#
S*itc.%ear an( control%ear IEV re) @@1-11-014/ a %eneral ter$ co'erin% s*itc.in% (e'ices an( t.eir co$"ination *it. associate( control, $easrin%, &rotecti'e an( re%latin% ei&$ent, also asse$"lieso) sc. (e'ices an( ei&$ent *it. associate( interconnections, accessories, enclosres an(s&&ortin% strctres
S*itc.%ear an( control%ear IEV re) 2=-1=-034/ electric ei&$ent inten(e( to "e connecte( to anelectric circit )or t.e &r&ose o) carr#in% ot one or $ore o) t.e )ollo*in% )nctions/ &rotection,control, isolation, s*itc.in%
asse$"l# o) s*itc.%ear an( control%ear4 IEV re) @@1-12-014/ a co$"ination o) s*itc.%ear an( or control%ear co$&letel# asse$"le( *it. all internal electrical an( $ec.anical interconnections+
"4 Trac!in% in(e: is t.e n$erical 'ale o) t.e &roo) 'olta%e, in 'olts, at *.ic. a $aterial *it.stan(s <0 (ro&s*it.ot trac!in%, in accor(ance *it. IEC =0112 i+e+ a 'olta%e 'ale (escri"in% t.e isolatin% $aterialssr)ace &ro&ert# to *it.stan( trac!in% *.en *et+4 Deter$ination o) t.e trac!in% in(e: s.all "e (one inaccor(ance *it. t.e reire$ents in IEC =0112, an( is nor$all# (one "# t#&e testin% o) t.e $aterial "# t.e$an)actrer, "e)ore t.e $aterial is a'aila"le in t.e $ar!et+
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,$!$2 Con&'ctor? core? 3ire? cable
a4 A con(ctor is a &art o) a constrction or circit (esi%ne( )or trans$ission o) electric crrent+
"4 A core is an asse$"l# consistin% o) a con(ctor an( its o*n inslation+
c4 A *ire is an asse$"l# consistin% o) one core *.ere t.e inslation is at least )la$e retar(ant+
(4 In electrical ter$s, a ca"le is an asse$"l# consistin% o)/
one or $ore cores asse$"l# &rotection in(i'i(al co'erin%s4 i) an#4 co$$on "rai(in% i) an#4 &rotecti'e co'erin%s4 i) an#4 inner an(or oter s.eat.+
A((itional n-inslate( con(ctors $a# "e incl(e( in t.e ca"le+
e4 A ca"le $a# "e eit.er Class 2 or Class < as (e)ine( in IEC =022+ In a Class 2 ca"le t.e con(ctor is $a(e& "# a $ini$$ n$"er o) stran(s+ In a Class < ca"le t.e con(ctor is $a(e & "# $an# s$all stran(s*it. a $a:i$$ sie accor(in% to IEC =02+
,$!$" Ne'tral con&'ctor
A netral con(ctor is a con(ctor connecte( to t.e netral &oint o) a s#ste$, an( ca&a"le o) contri"tin% tot.e trans$ission o) electric ener%#+
,$!$, 5atteries
a4 Vente( "atteries are o) t.e t#&e *.ere in(i'i(al cells .a'e co'ers, *.ic. are &ro'i(e( *it. an o&enin%,t.ro%. *.ic. &ro(cts o) electrol#sis an( e'a&oration are allo*e( to esca&e )reel# )ro$ t.e cells toat$os&.ere+
"4 Val'e-re%late( "atteries are o) t.e t#&e in *.ic. t.e cells are close(, "t .a'e an arran%e$ent 'al'e4 t.atallo*s t.e esca&e o) %as i) t.e internal &ressre e:cee(s a &re(eter$ine( 'ale+
c4 Seale( "atteries are o) t.e t#&e in *.ic. cells are .er$eticall# seale(+ For a"se con(itions a sa)et# 'ent or
'entin% $ec.anis$ s.all e:ist+ ea( Aci( "atteries are not seale( "atteries4+
,$!$- %ngress rotection o* enclos'res
In%ress &rotection o) enclosres in re%ar( to intrsion o) &articles an( *ater, nor$all# calle( I ratin%, is(e)ine( as )ollo*s/
Table !:6 %ngress rotection o* enclos'res
&irstcharacteristic
numeral Protection against intrusion of particles and against accidental touching of live parts
0 Non-&rotecte(
1 rotecte( a%ainst soli( o"ects %reater t.an <0 $$
2 rotecte( a%ainst soli( o"ects %reater t.an 12+< $$
3 rotecte( a%ainst soli( o"ects %reater t.an 2+< $$
@ rotecte( a%ainst soli( o"ects %reater t.an 1+0 $$
< Dst &rotecte(
= Dst ti%.t
Secondcharacteristic
numeral Protection against intrusion of water
0 Non-&rotecte(
1 rotecte( a%ainst (ri&&in% *ater
2 rotecte( a%ainst (ri&&in% *ater *.en tilte( & to 1<
3 rotecte( a%ainst s&ra#in% *ater )ro$ a"o'e & to =0 )ro$ 'ertical
@ rotecte( a%ainst s&las.in% *ater
< rotecte( a%ainst *ater ets
= rotecte( a%ainst .ea'# seas
rotecte( a%ainst t.e e))ects o) i$$ersion
rotecte( a%ainst s"$ersion *ater (e&t. to "e %i'en4
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- Abbre)iations an& s.+bols
-$! Abbre)iations
-$!$! Abbre)iations 'se& are gi)en in Table !:8$
/ Doc'+entation
/$! General
/$!$! T.e t#&es o) (oc$entation t.at are nor$all# &ro(ce( to (oc$ent as&ects co'ere( "# t.is stan(ar( are(e)ine( in DNV-R-A201, $ainl# n(er/
E J Electrical J 6lti(isci&line
/$!$2 For (oc$entation reire$ents relate( to certi)ication an( classi)ication, see C.+3+
Table !:8 Abbre)iations
8bbreviation &ull te3t AC Alternatin% crrent
ACB Air circit "rea!er
AI A$erican etrole$ Institte
AVR Ato$atic 'olta%e re%lator
DB Distri"tion s*itc."oar(
DC Direct crrent
EDB E$er%enc# (istri"tion "oar(
E6C Electro$a%netic co$&ati"ilit#
EN Ero&ean nor$
ER Et.#lene &ro&#lene r""er
ESB E$er%enc# S*itc."oar(
ETD Te$&eratre $easre$ent "# t.e e$"e((e( te$&eratre (etector $et.o(
IEC International Electrotec.nical Co$$ission
I6O International 6ariti$e Or%anisation
I In%ress &rotection
IR In)rare(
IS Intrinsicall# sa)e
6CB 6iniatre circit "rea!er
6CT 6lti ca"le transit
6O8 6o"ile o))s.ore nit
6SB 6ain S*itc."oar(
NC Nor$all# close(
NE6A National Electrical 6an)actrers Association NEC National Electrical Co(e
NO Nor$all# o&en
Rate( ot&t
E rotecti'e eart.
VC ol#'in#l c.lori(e
R Te$&eratre $easre$ent "# t.e resistance $et.o(
R6S, r$s Root $ean sare
RRS Re(n(ant &ro&lsionre(n(ant &ro&lsion se&arate DNV class notations4
RT Rotine test
S1 Continos (t#
SCR Silicone controlle( recti)ier
T Te$&eratre $easre$ent "# t.e t.er$o$eter $et.o(
TT T#&e test
8S 8ninterr&ti"le &o*er s&&l#
E Cross-lin!e( &ol#et.#lene
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CHA(TER 2 TECHN%CA0 (RO1%S%ONS
SECT%ON ! GENERA0
! %ntro&'ction
!$! Alication
!$!$! T.e reire$ents o) t.is stan(ar( .a'e "een s&eci)icall# ai$e( at $o"ile o))s.ore nits an( )loatin%o))s.ore installations o) t.e s.i&-s.a&e(, sel)-ele'atin% an( col$n-sta"ilise( (esi%n t#&es, "t $a# also "ea&&lie( to ot.er t#&es o) )loatin% constrctions+
!$!$2 T.e reire$ents o) t.is stan(ar( $a# also "e a&&lie( to )i:e( o))s.ore installations+
!$!$" .en t.e ter$s ;o))s.ore nit> is se(, it s.all "e inter&rete( as ;o))s.ore nit> or ;o))s.oreinstallation>+
!$!$, T.e reire$ents in t.is stan(ar( a&&l# to/
all electrical installations *it. res&ect to sa)et# )or &ersonnel an( )ire .aar(
all electrical installations ser'in% essential or i$&ortant ser'ices *it. res&ect to a'aila"ilit#+
!$!$- it. res&ect to t.e (e)inition o) ;essential ser'ices> in C.+1, t.e inclsion o) &ro&lsion an( steerin% isonl# a&&lica"le )or o))s.ore nits (e&en(ent on $anoe'ra"ilit#+
!$!$/ T.e ter$s ;acce&te(>, ;acce&ta"le> an( si$ilar s.all "e n(erstoo( as/
a%ree( "et*een t.e s&&lier, &rc.aser an( 'eri)ier, as a&&lica"le, *.en t.e stan(ar( is se( as a tec.nicalre)erence
acce&te( "# DNV *.en t.e stan(ar( is se( as "asis )or assi%nin% DNV class+
!$!$4 T.e ter$ ;a((itional class notation> an( si$ilar s.all "e n(erstoo( as a re)erence to t.e o))s.ore nitsser'ice, e+%+ (rillin% nit or &ro(ction nit, or to s&ecial ei&$ent or s#ste$s installe(, e+%+ (#na$ic
&ositionin%+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age #&
SECT%ON 2 S@STEM DES%GN
! General
!$! Design rincile
!$!$! General re7'ire+ents
a4 Electrical installations s.all "e sc. t.at t.e sa)et# o) &assen%ers, cre* an( o))s.ore nit )ro$ electrical.aar(s, is ensre(+
"4 T.ere s.all "e t*o $tall# in(e&en(ent electric &o*er s&&l# s#ste$s on "oar(/
$ain electric &o*er s&&l# s#ste$ e$er%enc# electric &o*er s&&l# s#ste$+ E:ce&tions are %i'en in ?3+1+=+
c4 Ser'ices reire( )or nor$al o&eration o) t.e o))s.ore nit s.all "e o&era"le *it. t.e e$er%enc# electrical &o*er %eneration an( (istri"tion s#ste$ "ein% na'aila"le, nless $an(ator# reire$ents &er$it sc.ser'ices to "e &o*ere( "# e$er%enc# electrical &o*er s&&l# onl#+
(4 All cons$ers t.at s&&ort )nctions reire( to "e a'aila"le in nor$al o&eration, s.all "e s&&lie( )ro$(istri"tion s#ste$s in(e&en(ent o) t.e e$er%enc# electrical &o*er s&&l# s#ste$+ E:e$&tions are $a(e
)or cons$ers )or *.ic. $an(ator# reire$ents &er$it e$er%enc# &o*er onl# an( )or one o) re(n(antcons$ers necessar# )or (ea( s.i& reco'er#+
e4 All cons$ers reire( to "e a'aila"le in e$er%enc# o&eration s.all "e s&&lie( )ro$ (istri"tion s#ste$sin(e&en(ent o) t.e $ain electric &o*er s&&l# s#ste$+
)4 O))s.ore nits *it.ot a (e(icate( e$er%enc# electric &o*er s&&l# s#ste$ are acce&te( &on co$&liance*it. reire$ents in ?3+1+=+
G'i&ance note>
Reire$ents to arran%e$ents o) $ain an( e$er%enc# &o*er s&&l# s#ste$s *it. res&ect to )ire, )loo(in% or ot.er casalt# are %i'en in ?G+1+2+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$2 Electrical installations s.ol( "e sc. t.at all electrical ser'ices necessar# )or $aintainin% t.e o))s.orenit in nor$al o&erational an( .a"ita"le con(itions *ill "e assre( *it.ot recorse to t.e e$er%enc# sorceo) &o*erL
Re)+ 6OD8 co(e <+1+1+14
Inter&retation/
Cons$ers reire( .a'in% "ot. $ain an( e$er%enc# s&&l# s.ol( "e s&&lie( as reire( "# rele'antrles a&&lica"le )or t.ese cons$ers+ T.e &ri$ar# s&&l# s.ol( "e )ro$ t.e $ain s#ste$+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
!$!$" En)iron+ental con&itions
a4 T.e electrical installations s.all "e sita"le )or o&eration in t.ose en'iron$ental con(itions %i'en in Sec+3?2, an( .a'e an in%ress &rotection ratin% as %i'en in Sec+3 ?@+< an( Sec+10 ?2+2, e:ce&t as state( in "4 an( c4+
"4 .ere electrical ei&$ent is installe( *it.in en'iron$entall# controlle( s&aces t.e a$"ient te$&eratre)or *.ic. t.e ei&$ent s.all "e sita"le $a# "e re(ce( )ro$ @<UC an( $aintaine( at a 'ale not lesst.an 3<UC &ro'i(e(/
t.e ei&$ent is not )or se )or e$er%enc# ser'ices, an( s.all not "e in o&eration a)ter ESD .as "eenacti'ate(
te$&eratre control is ac.ie'e( "# at least t*o coolin% nits so arran%e( t.at in t.e e'ent o) loss o) onecoolin% nit, )or an# reason, t.e re$ainin% nits4 is ca&a"le o) satis)actoril# $aintainin% t.e (esi%nte$&eratre
t.e ei&$ent can "e starte( in a @<UC a$"ient te$&eratre an( !e&t in o&eration ntil t.e lesser a$"ient te$&eratre $a# "e ac.ie'e(
t.e coolin% ei&$ent s.all "e rate( )or a @<UC a$"ient te$&eratre
$al)nction o), or loss o) a coolin% nit s.all "e alar$e( at a $anne( control station+
In acce&tin% a lesser a$"ient te$&eratre t.an @<UC, it s.all "e ensre( t.at electrical ca"les )or t.eir entirelen%t. are a(eatel# rate( )or t.e $a:i$$ a$"ient te$&eratre to *.ic. t.e# are e:&ose( alon% t.eir len%t.+
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c4 T.e ei&$ent se( )or coolin% an( $aintainin% t.e lesser a$"ient te$&eratre is an i$&ortant ser'ice, inaccor(ance *it. C.+1 Sec+1 ?@+@+2 an( s.all co$&l# *it. t.e rele'ant rles+
Re)+ IACS 8R E1G4
G'i&ance note>
For t.e reire$ents )or 'entilation an( air con(itionin%, see ?G+1+1+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$, S.ste+ earthing
a4 S#ste$ eart.in% s.all "e e))ecte( "# $eans in(e&en(ent o) an# eart.in% arran%e$ents o) t.e non-crrent-carr#in% &arts+
"4 An# eart.in% i$&e(ances s.all "e connecte( to t.e .ll+ T.e connection to t.e .ll s.all "e so arran%e( t.atan# circlatin% crrent in t.e eart. connections (o not inter)ere *it. ra(io, ra(ar, co$$nication an(control ei&$ent circits+Re)+ IACS 8R E11 2+1+@4
c4 I) t.e s#ste$ netral is connecte( to eart., sita"le (isconnectin% lin!s or ter$inals s.all "e )itte( so t.att.e s#ste$ eart.in% $a# "e (isconnecte( )or $aintenance or inslation resistance $easre$ent+ Sc.$eans s.all "e )or $anal o&eration onl#+
(4 I) t.e s#ste$ netral is connecte( to eart. at se'eral &oints, ealisin% crrents in t.e netral eart.in%e:cee(in% 20 o) t.e rate( crrent o) connecte( %enerators or trans)or$ers is not acce&ta"le+ Trans)or$er netrals an( %enerator netrals s.all not "e si$ltaneosl# eart.e( in t.e sa$e (istri"tion s#ste$ at sa$e'olta%e le'el+ On (istri"tion trans)or$ers *it. star connecte( &ri$ar# si(e, t.e netral &oint s.all not "eeart.e(+
e4 In an# )or *ire (istri"tion s#ste$ t.e s#ste$ netral s.all "e connecte( to eart. at all ti$es *.en an#cons$er is connecte(+Re)+ IEC=1G2/2, sec+ <+@+24
)4 Co$"ine( E &rotecti'e eart.4 an( N s#ste$ eart.4 is allo*e( "et*een trans)or$er %enerator an( N- "s"ar in )irst s*itc."oar( *.ere t.e trans)or$er secon(ar# si(e%enerator is ter$inate( i+e+ TN-C-S-s#ste$+ T.ere s.all "e no connection "et*een t.e N- an( E-con(ctor a)ter t.e EN-con(ctor isse&arate(+
%4 In case o) eart. )alt in .i%. 'olta%e s#ste$s *it. eart.e( netral, t.e crrent s.all not "e %reater t.an )llloa( crrent o) t.e lar%est %enerator on t.e s*itc."oar( or rele'ant s*itc."oar( section an( not less t.ant.ree ti$es t.e $ini$$ crrent reire( to o&erate an# eart. )alt &rotection rela#+
.4 Electrical ei&$ent in (irectl# eart.e( netral or ot.er netral eart.e( s#ste$s s.all *it.stan( t.e crrent(e to sin%le &.ase )alt a%ainst eart. )or t.e ti$e necessar# to tri& t.e &rotection (e'ice+
i4 It s.all "e assre( t.at at least one sorce netral to %ron( connection is e))ecti'e *.ene'er t.e s#ste$ isin t.e ener%ise( $o(e+ For (i'i(e( s#ste$s, connection o) t.e netral to t.e eart. s.all "e &ro'i(e( )or eac.section+
Re)+ IACS 8R E11 2+1+2 an( 2+1+< an( IEC=1G2/2 an( sec <+,Ta"le 14
G'i&ance note>
For eart.in% o) al$ini$ s&erstrctres on steel o))s.ore nits see ?G++
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$- T.es o* &istrib'tion s.ste+s
a4 AC &o*er/ T.e )ollo*in% (istri"tion s#ste$s can "e se( )or e:e$&tions see ?1+1+=4/
t.ree-&.ase t.ree-*ire *it. .i%.-resistance eart.e( netral t.ree-&.ase t.ree-*ire *it. lo*-resistance eart.e( netral t.ree-&.ase t.ree-*ire *it. (irectl# eart.e( netral t.ree-&.ase t.ree-*ire *it. inslate( netral+
"4 In a((ition )or all 'olta%es & to an( incl(in% <00 V AC/
t.ree-&.ase )or-*ire *it. netral eart.e(, "t *it.ot .ll retrn sin%le-&.ase t*o-*ire *it. inslate( netral
sin%le-&.ase t*o-*ire *it. one &.ase eart.e( at t.e &o*er sorce, "t *it.ot .ll retrn+c4 DC &o*er/ T.e )ollo*in% (istri"tion s#ste$s can "e se( )or e:e$&tions see ?1+1+=4/
t*o-*ire inslate( t*o-*ire *it. one &ole eart.e( at t.e &o*er sorce *it.ot .ll retrn4
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sin%le-*ire *it. .ll retrn as acce&te( in ?1+1+=+
!$!$/ H'll ret'rn s.ste+s
a4 T.e .ll retrn s#ste$ o) (istri"tion s.all not "e se(, e:ce&t as state( in "4 an( c4+ Re)+ IEC=1G2-2 ite$ =+1+1+
"4 ro'i(e( t.at an# &ossi"le resltin% crrent (oes not )lo* (irectl# t.ro%. an# %as .aar(os s&aces, t.ereire$ents o) a4 (oes not &recl(e t.e se o)/
i$&resse( crrent cat.o(ic &rotecti'e s#ste$s li$ite( an( locall# eart.e( s#ste$s inslation le'el $onitorin% (e'ices &ro'i(e( t.e circlation crrent (oes not e:cee( 30 $A n(er t.e
$ost n)a'ora"le con(itions intrinsicall# sa)e circits+
c4 .ere t.e .ll retrn s#ste$ is se( )or (istri"tion o) DC &o*er, one o) t.e "s"ars o) t.e (istri"tion "oar( s.all "e connecte( to t.e .ll+ Ot%oin% )inal s" circits i+e+ all circits )itte( a)ter t.e last &rotecti'e(e'ice s.all "e *it. inslate( t*o-*ires or t*o-core ca"le+
!$!$4 Secial re7'ire+ents *or non:+etallic o**shore 'nits
a4 All $etal &arts o) a non-$etallic o))s.ore nit s.all "e "on(e( to%et.er, in so )ar as &ossi"le inconsi(eration o) %al'anic corrosion "et*een (issi$ilar $etals, to )or$ a continos electrical s#ste$,
sita"le )or t.e eart. retrn o) electrical ei&$ent an( to connect t.e cra)t to t.e *ater *.en *ater-"orn+T.e "on(in% o) isolate( co$&onents insi(e t.e strctre is not %enerall# necessar#, e:ce&t in )el tan!s+
"4 Eac. &ressre re)ellin% &oint s.all "e &ro'i(e( *it. a $eans o) "on(in% t.e )ellin% ei&$ent to t.ecra)t+
c4 6etallic &i&es ca&a"le o) %eneratin% electrostatic (isc.ar%es, (e to t.e )lo* o) lii(s an( %ases s.all "e "on(e( so t.e# are electricall# continos t.ro%.ot t.eir len%t. an( s.all "e a(eatel# eart.e(+
(4 Secon(ar# con(ctors &ro'i(e( )or t.e ealisation o) static (isc.ar%es, "on(in% o) ei&$ent, etc+, "tnot )or carr#in% li%.tnin% (isc.ar%es s.all .a'e a $ini$$ cross section o) < $$ 2 co&&er or ei'alentsr%e crrent carr#in% ca&acit# in al$ini$+
e4 T.e electrical resistance "et*een "on(e( o"ects an( t.e "asic strctre s.all not e:cee( 0+02 O.$ e:ce&t*.ere it can "e (e$onstrate( t.at a .i%.er resistance *ill not case a .aar(+ T.e "on(in% &at. s.all .a'es))icient cross-sectional area to carr# t.e $a:i$$ crrent li!el# to "e i$&ose( on it *it.ot e:cessi'e'olta%e (ro&+
)4 A $ain eart. "ar s.all "e (e)ine( an( )itte( at a con'enient &lace on "oar(+ T.is eart. "ar s.all "e connecte(to a co&&er &late *it. a $ini$$ area o) 0+2< $2 attac.e( to t.e .ll an( so locate( t.at it is i$$erse(n(er all con(itions o) .eel+
!$2 S.ste+ )oltages an& *re7'enc.
!$2$! General
a4 Electric (istri"tion s#ste$s s.all o&erate *it.in t.e 'olta%e an( )reencies %i'en in ?1+2+2 to ?1+2++T.is also a&&lies to (istri"tion s#ste$s *.ere one or $ore %enerator &ri$e $o'ers are (ri'in% ot.er ei&$ent+ .en a $ain &ro&lsion en%ine is se( as a %enerator &ri$e $o'er, 'ariations case( "# t.e*a'e $otion or s((en $anoe'res incl(in% cras. sto&, s.all not e:cee( t.e %i'en li$itations+
"4 Volta%e 'ariations (e'iatin% )ro$ t.e stan(ar( 'ales are acce&te( in s#ste$s i) t.ese are intentionall#(esi%ne( )or t.e actal 'ariations+
c4 All 'olta%es $entione( are root $ean sare 'ales nless ot.er*ise state(+
!$2$2 Ma;i+'+ s.ste+ )oltages
T.e )ollo*in% $a:i$$ 'olta%es in (istri"tion s#ste$s a&&l#/
connecte( "# &er$anent *irin%/ 1< 000 V )or &orta"le a&&liances, *.ic. are not .an(-.el( (rin% o&eration, an( *it. connection "# )le:i"le ca"le
an( soc!et otlet/ 1000 V s&&l# )or li%.tin% incl(in% si%nal la$&s4, s&ace .eaters in acco$$o(ation s&aces, an( .an(-.el(
&orta"le a&&liances/ 2<0 V+ .ase 'olta%e o) a s#ste$ *it. netral eart. $a# "e se( )or t.is &r&ose+
.ere necessar# )or s&ecial a&&lication, .i%.er 'olta%es $a# "e acce&te( "# t.e Societ#+Re)+ IACS 8R E11 1+24
!$2$" Ma;i+'+ control )oltages
For (istri"tion s#ste$s a"o'e <00 V t.e control 'olta%e s.all "e li$ite( to 2<0 V, e:ce&t *.en all control
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h.# !ec.# !ystem Design age #2
ei&$ent is enclose( in t.e rele'ant control %ear an( t.e (istri"tion 'olta%e is not .i%.er t.an 1 000 V+
Re)+ IEC =1G2/2 sec+ =+2+=4
Inter&retation/
For control ei&$ent "ein% a &art o) &o*er an( .eatin% installations e+%+ &ressre or te$&eratre s*itc.es)or start an( sto& o) $otors4, t.e $a:i$$ 'olta%e is 1 000 V+ Ho*e'er, control 'olta%e to e:ternal
ei&$ent s.ol( not e:cee( <00 V+ JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
!$2$, S'l. )oltage )ariations
a4 Electric AC (istri"tion s#ste$s s.all "e (esi%ne( an( installe( so t.at t.e 'olta%e 'ariations on 6ainS*itc."oar( are $aintaine( *it.in t.ese li$its/
Steady state/ 2+< o) no$inal AC s#ste$ 'olta%e
Transient state/ )ro$ −1< to W20 o) no$inal AC 'olta%e+
"4 Electric DC "atter# &o*ere( s#ste$s s.all "e (esi%ne( an( installe( so t.at t.e 'olta%e 'ariations on t.e$ain (istri"tion "oar( are $aintaine( *it.in t.ese li$its/
9oltage tolerance: -1< to W30 o) no$inal DC s#ste$ 'olta%e9oltage cyclic variation: $a:+ <9oltage ripple: $a:+ 10+
c4 T.e reire$ent )or $a:i$$ transient 'olta%e s.all also "e co$&lie( *it. in case o) loa( s.e((in% or tri&&in% o) cons$ers+ T.e reire$ent )or $a:i$$ transient 'olta%e is not a&&lica"le to )ailrecon(itions+
(4 A)ter a transient con(ition .as "een initiate(, t.e 'olta%e in a $ain (istri"tion AC s#ste$ s.all not (i))er )ro$ no$inal s#ste$ 'olta%e "# $ore t.an ±3 *it.in 1+< s+ In an e$er%enc# (istri"tion s#ste$ t.e'olta%e s.all not (i))er )ro$ no$inal s#ste$ 'olta%e "# $ore t.an ±@ *it.in < s+Re)+ IEC =1G2/3, sec+ <+2+3+24
Inter&retation/
T.e a"o'e (oes not a&&l# )or AC installations (esi%ne( )or 'aria"le s#ste$ 'olta%e+ In t.at case ei&$entan( its &rotection (e'ices s.ol( "e rate( to o&erate *it.in t.e (esi%n li$its t.ro%.ot t.e 'olta%e ran%e+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
!$2$- 1oltage &ro in the &istrib'tion s.ste+
a4 An AC (istri"tion s#ste$ s.all "e (esi%ne( an( installe( so t.at t.e stationar# 'olta%e (ro& in s&&l# toin(i'i(al cons$ers, $easre( )ro$ t.e 6ain S*itc."oar( to t.e cons$er ter$inals, (oes not e:cee(= o) s#ste$ no$inal 'olta%e+
"4 A DC (istri"tion s#ste$ s.all "e (esi%ne( an( installe( so t.at t.e stationar# 'olta%e (ro& in s&&l# toin(i'i(al cons$ers, $easre( )ro$ t.e "atter# (istri"tion to t.e cons$er ter$inals, (oes not e:cee(10 o) s#ste$ no$inal 'olta%e+
c4 S&eci)ic reire$ents )or transient 'olta%es on cons$er ter$inals (rin% start or sto& are not %i'en+Ho*e'er, t.e s#ste$ s.all "e (esi%ne( so t.at all cons$ers )nction satis)actoril#+
!$2$/ S.ste+ *re7'enc.
T.e )reenc# 'ariations in AC installations *it. )i:e( no$inal )reenc# s.all "e !e&t *it.in t.e )ollo*in%li$its/
G< to 10< o) rate( )reenc# n(er stea(# loa( con(itions G0 to 110 o) rate( )reenc# n(er transient loa( con(itions+
Re)+ IACS 8R E<4
Inter&retation/
T.e a"o'e (oes not a&&l# )or AC installations (esi%ne( )or 'aria"le s#ste$ )reenc#+ In t.at caseei&$ent an( its &rotection (e'ices s.ol( "e rate( to o&erate *it.in t.e (esi%n li$its t.ro%.ot t.e)reenc# ran%e+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
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G'i&ance note>
See DNV-OS-D101 re%ar(in% t.e &ri$e $o'ersP s&ee( %o'ernor c.aracteristics+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$2$4 Har+onic &istortion
a4 Ei&$ent &ro(cin% transient 'olta%e, )reenc# an( crrent 'ariations s.all not case $al)nction o)
ot.er ei&$ent on "oar(, neit.er "# con(ction, in(ction or ra(iation+ "4 In (istri"tion s#ste$s t.e acce&tance li$its )or 'olta%e .ar$onic (istortion s.all corres&on( to IEC
=1000-2-@ Class 2+ IEC =1000-2-@ Class 2 i$&lies t.at t.e total 'olta%e .ar$onic (istortion s.all note:cee( +4 In a((ition no sin%le or(er .ar$onic s.all e:cee( <+
c4 T.e total .ar$onic (istortion $a# e:cee( t.e 'ales %i'en in "4 n(er t.e con(ition t.at all cons$ers an((istri"tion ei&$ent s"ecte( to t.e increase( (istortion le'el .a'e "een (esi%ne( to *it.stan( t.eactal le'els+ T.e s#ste$ an( co$&onents a"ilit# to *it.stan( t.e actal le'els s.all "e (oc$ente(+
Inter&retation/
14 .en )ilters are se( )or li$itation o) .ar$onic (istortion, s&ecial &recations s.ol( "e ta!en so t.atloa( s.e((in% or tri&&in% o) cons$ers, or &.ase "ac! o) con'erters, (o not case transient 'olta%es int.e s#ste$ in e:cess o) t.e reire$ents in ?1+2+@+ T.e %enerators s.ol( o&erate *it.in t.eir (esi%n
li$its also *it. ca&aciti'e loa(in%+ T.e (istri"tion s#ste$ s.ol( o&erate *it.in its (esi%n li$its, also*.en &arts o) t.e )ilters are tri&&e(, or *.en t.e con)i%ration o) t.e s#ste$ c.an%es+
24 T.e )ollo*in% e))ects s.ol( "e consi(ere( *.en (esi%nin% )or .i%.er .ar$onic (istortion in c4/
a((itional .eat losses in $ac.ines, trans)or$ers, coils o) s*itc.%ear an( control%ear a((itional .eat losses in ca&acitors )or e:a$&le in co$&ensate( )lorescent li%.tin% resonance e))ects in t.e net*or! )nctionin% o) instr$ents an( control s#ste$s s"ecte( to t.e (istortion (istortion o) t.e accrac# o) $easrin% instr$ents an( &rotecti'e %ear rela#s4 inter)erence o) electronic ei&$ent o) all !in(s, )or e:a$&le re%lators, co$$nication an(
control s#ste$s, &osition- )in(in% s#ste$s, ra(ar an( na'i%ation s#ste$s+
34 A (eclaration or %arantee )ro$ s#ste$ res&onsi"le $a# "e an acce&ta"le le'el o) (oc$entation+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
2 Main electric o3er s'l. s.ste+
2$! General
2$!$! Caacit.
a4 T.e $ain &o*er s&&l# s#ste$ s.all .a'e t.e ca&acit# to s&&l# &o*er to all ser'ices necessar# )or $aintainin% t.e o))s.ore nit in nor$al o&eration *it.ot recorse to t.e e$er%enc# sorce o) &o*er+
"4 T.ere s.all "e co$&onent re(n(anc# )or $ain sorces o) &o*er, trans)or$ers an( &o*er con'erters in t.e$ain &o*er s&&l# s#ste$ so t.at *it. an# sorce, trans)or$er or &o*er con'erter ot o) o&eration, t.e
&o*er s&&l# s#ste$ s.all "e ca&a"le o) s&&l#in% &o*er to t.e )ollo*in% ser'ices/
t.ose ser'ices necessar# to &ro'i(e nor$al o&erational con(itions )or &ro&lsion an( sa)et# startin% t.e lar%est essential or i$&ortant electric $otor on "oar(, e:ce&t a:iliar# t.rsters, *it.ot
t.e transient 'olta%e an( )reenc# 'ariations e:cee(in% t.e li$its s&eci)ie( in ?1+2 ensrin% $ini$$ co$)orta"le con(itions o) .a"ita"ilit# *.ic. s.all incl(e at least a(eate ser'ices
)or coo!in%, .eatin%, (o$estic re)ri%eration e:ce&t re)ri%erators )or air con(itionin%4, $ec.anical'entilation, sanitar# an( )res. *ater
)or a (&licate( essential or i$&ortant a:iliar#, one "ein% s&&lie( non-electricall# an( t.e ot.er electricall# e+%+ l"ricatin% oil &$& No+ 1 (ri'en "# t.e $ain en%ine, No+ 2 "# electric $otor4, it isnot e:&ecte( t.at t.e electricall# (ri'en a:iliar# is se( *.en one %enerator is ot o) ser'ice
)or (ea( s.i& reco'er#+
Inter&retation/
14 For %enerators installe( in a s&ace t.at (oes not .a'e (irect access to t.e s&ace *.ere t.e %enerator "rea!er is installe(, t.e %enerator an( %enerator (ri'er s.ol( "e ei&&e( *it. re$ote control an(alar$s as reire( "# class notation E0+ A %enerator installe( in accor(ance *it. t.is *ill %enerall# not
"e ta!en into accont *it. res&ect to total %enerator ca&acit#+
24 .en a %enerator is installe( otsi(e t.e s&ace *.ere t.e s*itc."oar( *it. t.e %enerator circit "rea!er
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h.# !ec.# !ystem Design age #4
is installe(, t.e %enerator ca"le s.ol( .a'e s.ort circit &rotection at "ot. en(s+ Alternati'el#, t.e%enerator s.ol( "e (e-e:cite( an( t.e s*itc."oar( %enerator "rea!er o&ene(, in case o) s.ort circit
"et*een t.e %enerators ter$inals an( t.e %enerator "rea!er+ An en'iron$ental enclosre )or t.e 6ainS*itc."oar(, sc. as $a# "e &ro'i(e( "# a $ac.iner# control roo$ sitate( *it.in t.e $ain
"on(aries o) t.e en%ine roo$, is not consi(ere( as se&aratin% t.e s*itc."oar( )ro$ t.e %enerator+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
T.ose ser'ices necessar# to &ro'i(e nor$al o&erational con(itions o) &ro&lsion an( sa)et# (o not nor$all# incl(eser'ices sc. as/
t.rsters not )or$in% &art o) t.e $ain &ro&lsion or steerin%
$oorin%
car%o .an(lin% %ear
re)ri%erators )or air con(itionin%+
Ho*e'er, a((itional ser'ices reire( "# a class notation *ill "e a((e( to t.e list o) i$&ortant ser'ices+
In re%ar( to non-i$&ortant loa(, t.e ca&acit# o) all %enerators can "e ta!en into consi(eration+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$!$2 Generator ri+e +o)ers
enerator &ri$e $o'ers s.all co$&l# *it. t.e reire$ents in DNV-OS-D101+
2$!$" Eac. %enerator reire( accor(in% to ?2+1+1 s.all nor$all# "e (ri'en "# a se&arate &ri$e $o'er+ i+e+eac. %enerator s.all "e (ri'en "# one en%ine, an( one en%ine s.all onl# (ri'e one %enerator+
Inter&retation/
14 I) a &ri$e $o'er )or a %enerator is also se( )or (ri'in% ot.er a:iliar# $ac.iner# in sc. a *a# t.at itis &.#sicall# &ossi"le to o'erloa( t.e en%ine, an interloc! or ot.er e))ecti'e $eans )or &re'entin% sc.o'erloa(in% s.ol( "e arran%e(+ T.e a'aila"ilit# o) t.e %enerator s.ol( "e at least as )or se&aratel#(ri'en %enerators+
24 .en %enerators (ri'en "# reci&rocatin% stea$ en%ines or stea$ tr"ines are se(, an( t.e o&erationo) t.e "oilers4 (e&en(s on electric &o*er s&&l#, t.ere s.ol( "e at least one %enerator (ri'en "# ana:iliar# (iesel en%ine or %as tr"ine on "oar(, ena"lin% t.e "oiler &lant to "e starte(+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
2$!$, A %enerator or %enerator s#ste$, .a'in% t.e o))s.ore nitPs $ain &ro&lsion $ac.iner# as its &ri$e$o'er, $a# "e acce&te( as a $ain sorce o) electrical &o*er, &ro'i(e( t.at it can "e se( in all o&eratin% $o(es)or t.e &ro&lsion &lant, incl(in% stan(still o) t.e o))s.ore nit+
2$!$- T.ere s.all "e at least one %enerator (ri'en "# a se&arate &ri$e $o'er+ T.e ca&acit# o) se&aratel# (ri'en%enerators s.all "e s))icient to s&&l# all essential an( i$&ortant ser'ices t.at can "e e:&ecte( to "esi$ltaneosl# in se, re%ar(less o) t.e o&erational $o(e o) t.e o))s.ore nit, incl(in% sto&&e(+ T.is s.all "e
&ossi"le *it.ot tilisin% an# e$er%enc# &o*er sorce+Re)+ IACS SC14
2$!$/ S.a)t %enerator installations *.ic. (o not co$&l# *it. t.e reire$ent %i'en in ?2+1+@ $a# "e )itte( asa((itional sorces4 o) &o*er &ro'i(e( t.at/
on loss o) t.e s.a)t %enerators4 or &on )reenc# 'ariations e:cee(in% ±10, a stan("# %eneratin% set isstarte( ato$aticall#
t.e ca&acit# o) t.e stan("# set is s))icient )or t.e loa(s necessar# )or &ro&lsion an( sa)et# o) t.e o))s.ore nit+
Re)+ IACS 8R E14
Inter&retation/
S.a)t %enerators an( %enerators "ase( on 'aria"le s&ee( (ri'es s.all "e e'alate( in eac. case, co'erin% as
a $ini$$ t.e )ollo*in%/ a'aila"ilit# in all o&eratin% $o(es
sta"ilit# o) ot&t 'olta%e an( )reenc#
s.ort circit ca&a"ilit# an( &rotection+
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h.# !ec.# !ystem Design age #5
a:iliar# s#te$s, e+%+ 'entilation, coolin% s#ste$, an( control &o*er (istri"tion+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
2$2 S.ste+ *'nctionalit.
2$2$! Start o* generator sets
At least t*o %enerator sets, connecte( to se&arate $ain "s"ar sections, s.all "e arran%e( *it. s#ste$s )or startin% in a "lac!ot sitation+ Ho*e'er, onl# one stan("# %enerator $a# "e &er$itte( i) t.is %enerator is notinten(e( to "e se( )or nor$al o&eration o) t.e o))s.ore nit+
2$2$2 Energ. *or starting
a4 T.e ener%# se( )or startin% in a "lac!ot sitation s.all "e arran%e( as reire( in ?<+1+
"4 Control &o*er s&&l# to electronic %o'ernors, AVRs an( necessar# control &o*er )or a:iliar# en%iness.all, i) (e&en(ent on e:ternal &o*er, "e arran%e( as reire( )or startin% arran%e$ent in E+
c4 .ere &ri$e $o'ers an(or %enerators arran%e( as stan("# %enerators (e&en( &on a:iliar# $ac.iner#s#ste$s "ein% a'aila"le in a "lac!ot sitation, t.ese a:iliaries s.all "e arran%e( *it. at least t*oin(e&en(ent sorces o) &o*er+ At least one o) t.e sorces o) &o*er s.all "e )ro$ store( ener%# locate(*it.in t.e en%ine roo$+ T.e ca&acit# o) t.e &o*er sorces s.all corres&on( to t.e reire( n$"er o)
startin% atte$&ts an( last )or at least 30 $intes+(4 .ere &ri$e $o'ers an(or %enerators arran%e( as stan("# %enerators (e&en( &on a:iliar# $ac.iner#
s#ste$s (rin% stan("# $o(e in or(er to start in a "lac!ot sitation, a:iliaries )or at least one %enerator s.all "e s&&lie( )ro$ t.e 6ain S*itc."oar( in or(er to co$&l# *it. ?1+1+1+
e4 .en a sin%le, (e(icate(, stan("# %enerator is se(, t.is %enerator set alone s.all "e arran%e( in accor(ance*it. t.is &ara%ra&., i+e+ t*o sorces o) ener%# )or startin%, control &o*er an( a:iliaries+ As a"o'e, one o) t.e sorces )or a:iliaries s.all "e )ro$ store( ener%# locate( *it.in t.e $ac.iner# s&ace+
G'i&ance note>
E:a$&le o) a:iliar# s#ste$ t.at $st "e a'aila"le in a "lac!ot sitation $a# "e )el oil "ooster &$&, an(l"rication oil &$& i) start "loc!in% is acti'ate( *it.in 30 $intes a)ter "lac!ot+
E:a$&le o) a:iliar# s#ste$ t.at $st "e s&&lie( in stan("# $o(e $a# "e &re l"rication &$& an( ac!et *ater .eatin%+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$2$" 0oa& she&&ing an& a'to+atic restoration o* o3er
.ere electrical &o*er is necessar# )or station !ee&in%, &ro&lsion or steerin% o) t.e o))s.ore nit, t.e s#ste$s.all "e so arran%e( t.at t.e electrical s&&l# to ei&$ent necessar# )or station !ee&in%, &ro&lsion an(steerin%, an( to ensre sa)et# o) t.e o))s.ore nit, *ill "e $aintaine( or i$$e(iatel# restore( in case o) loss o) an# one o) t.e %enerators in ser'ice+ T.is $eans/
All %enerators s.all "e ei&&e( *it. ato$atic loa( s.e((in% or ot.er ato$atic $eans to &re'entsstaine( o'erloa( o) an# %enerator, re)+ ?+1+1+
.ere t.e electrical &o*er is nor$all# s&&lie( "# one %enerator &ro'ision s.all "e $a(e, &on loss o) &o*er, )or ato$atic startin% an( connectin% to t.e 6ain S*itc."oar( o) stan("# %enerators4 o) s))icientca&acit#, an( ato$atic restartin% o) t.e essential a:iliaries, in seential o&eration i) reire(+ Startin%an( connection to t.e 6ain S*itc."oar( o) t.e stan("# %enerator is to "e &re)era"l# *it.in 30 secon(s, "t
in an# case not $ore t.an @< secon(s, a)ter loss o) &o*er+ Eit.er restart o) t.e &re'ios rnnin% a:iliar#,or start o) a stan("# a:iliar# s#ste$ is acce&te(+
.ere &ri$e $o'ers *it. lon%er startin% ti$e are se(, t.is startin% an( connection ti$e $a# "e e:cee(e(&on a&&ro'al )ro$ t.e societ#+
.ere $ore t.an one %eneratin% set is necessar# to co'er nor$al loa(s at sea, t.e &o*er s&&l# s#ste$s.all "e &ro'i(e( *it. sita"le $eans )or tri&&in% or loa( re(ction o) cons$ers+ I) necessar#, i$&ortantcons$ers $a# "e tri&&e( in or(er to &er$it &ro&lsion an( steerin% an( to ensre sa)et#+ I) t.e re$ainin%on line %enerators are not a"le to &er$it &ro&lsion an( steerin% an( to ensre sa)et#, &ro'ision s.all "e$a(e )or ato$atic startin% an( connection to t.e 6ain S*itc."oar( o) t.e stan("# %enerator+
Re)+ IACS 8R SC1<, Sec+ 24
2$2$, Start *ro+ &ea& shi
a4 T.e reire$ent )or start )ro$ (ea( s.i& is %i'en in DNV-OS-D101 C.+2 Sec+1, ?2+3+13+ "4 In a((ition, t.e %eneratin% sets s.all "e sc. as to ensre t.at *it. an# one %enerator, trans)or$er or &o*er
con'erter ot o) ser'ice, t.e re$ainin% %eneratin% sets, trans)or$ers an( &o*er con'erters s.all "e ca&a"leo) &ro'i(in% t.e electrical ser'ices necessar# to start t.e electric &o*er s#ste$ an( t.e $ain &ro&lsion
&lant )ro$ a (ea( s.i& con(ition+ T.e e$er%enc# sorce o) electrical &o*er $a# "e se( )or t.e &r&ose
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h.# !ec.# !ystem Design age &$
o) startin% )ro$ a (ea( s.i& con(ition i) its ca&a"ilit# eit.er alone or co$"ine( *it. t.at o) an# ot.er sorceo) electrical &o*er is s))icient to &ro'i(e at t.e sa$e ti$e t.ose ser'ices reire( to "e s&&lie( "# ?3+1+3,e:ce&t )ire &$&s an( steerin% %ear, i) an#+
Inter&retation/
14 On installations *it.ot a (e(icate( e$er%enc# %enerator in accor(ance *it. ?3+1+@+@, onl# one en%ine
roo$ is consi(ere( to "e in (ea( s.i& con(itions, since t.ere s.ol( "e re(n(anc# in startin%arran%e$ent )or eac. en%ine roo$ as reire( )or e$er%enc# %enerator sets+ Ho*e'er, necessar#ener%# )or a:iliaries nee(e( )or start )el, l"rication oil &ri$in%, etc+4 s.ol( .a'e t.e sa$earran%e$ent as t.e sorce )or startin% ener%#+
24 For o))s.ore nits *it. t*o or $ore in(e&en(ent en%ine roo$s "t not co$&l#in% *it. ?3+1+@, t.ereire$ents )or (ea( s.i& startin% still a&&lies, i+e+ (ea( s.i& con(ition in "ot.all en%ine roo$ssi$ltaneosl#+ Necessar# ener%# )or a:iliaries nee(e( )or start )el, l"rication oil &ri$in%, etc+4s.ol( .a'e t.e sa$e arran%e$ent as t.e sorce )or startin% ener%#+
34 In cases *.ere onl# electric startin% is arran%e( )or en%ines (ri'in% %enerators an( t.e $ain &ro&lsionen%ines, an a((itional "atter# )or ;(ea( s.i&> startin% $a# "e installe(+ T.is "atter# s.ol( t.en "e(e(icate( )or t.is &r&ose an( al*a#s !e&t )ll# c.ar%e( an( $onitore(+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
2$2$- Regeneration
Re%enerate( &o*er case( "# e+%+ *ater $illin% o) &ro&ellers s.all not case an# alar$s, neit.er in &lanne(o&eratin% $o(es nor (rin% e$er%enc# $anoe'res+ .ere necessar#, "ra!in% resistors )or a"sor"in% or li$itin% sc. ener%# s.all "e &ro'i(e(+
" E+ergenc. o3er s'l. s.ste+
"$! General
"$!$! E+ergenc. o3er so'rce
a4 A sel)-containe( e$er%enc# sorce o) electrical &o*er s.all "e &ro'i(e(
"4 T.e e$er%enc# sorce o) &o*er, associate( trans)or$in% ei&$ent, E$er%enc# S*itc."oar(, e$er%enc#li%.tin% s*itc."oar( an( transitional sorce o) e$er%enc# &o*er s.all "e locate( a"o'e t.e *orst (a$a%e*aterline an( "e rea(il# accessi"le+ It s.all not "e locate( *it.in t.e ass$e( e:tent o) (a$a%e re)erre( toin DNV-OS-C301 or )or*ar( o) t.e collision "l!.ea(, i) an#+
c4 T.e e$er%enc# sorce o) electrical &o*er $a# "e eit.er a %enerator or an acc$lator "atter#+
(4 T.e e$er%enc# sorce o) &o*er s.all "e ato$aticall# connecte( to t.e E$er%enc# S*itc."oar( in caseo) )ailre o) t.e $ain sorce o) electric &o*er+ I) t.e &o*er sorce is a %enerator, it s.all "e ato$aticall#starte( an( *it.in @< s s&&l# at least t.e ser'ices reire( to "e s&&lie( "# e$er%enc# an( transitional
&o*er as liste( in Ta"le 2-1+
e4 Ventilation o) t.e s&ace containin% t.e e$er%enc# sorce o) electrical &o*er or 'entilators )or ra(iator o)
e$er%enc# %enerator en%ine, s.all co$&l# *it. t.e reire$ents in Rles )or Classi)ication o) S.i&s t+3C.+3 Sec+= H an( it s.all not "e necessar# *it. an# closin% arran%e$ent+ I) an# closin% arran%e$ents areinstalle(, t.e# s.all "e )ail sa)e to o&en &osition+
)4 Coolin% arran%e$ent )or t.e e$er%enc# sorce o) &o*er, e+%+ &i&es, &$&s an( .eat e:c.an%ers, s.all "elocate( in t.e sa$e s&ace as t.e e$er%enc# %enerator+ Heat e:c.an%ers $a# "e acce&te( otsi(e, in close'icinit# to t.e e$er%enc# sorce o) &o*er+
%4 T.e e$er%enc# sorce o) &o*er s.all not "e se( )or s&&l#in% &o*er (rin% nor$al o&eration o) t.eo))s.ore nit+ E:ce&tionall#, an( )or s.ort &erio(s, t.e e$er%enc# sorce o) &o*er $a# "e se( )or
"lac!ot sitations, startin% )ro$ (ea( s.i&, s.ort ter$ &arallel o&eration *it. t.e $ain sorce o) electrical &o*er )or t.e &r&ose o) loa( trans)er an( )or rotine testin% o) t.e e$er%enc# sorce o) &o*er+
"$!$2 Caacit.
T.e electrical &o*er a'aila"le s.all "e s))icient to s&&l# all ser'ices essential )or sa)et# in an e$er%enc#, (ere%ar( "ein% &ai( to sc. ser'ices as $a# .a'e to "e o&erate( si$ltaneosl#, also ta!in% into accont startin%crrents an( transitor# natre o) certain loa(s+
Re)+ 6OD8 co(e <+@+=4
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h.# !ec.# !ystem Design age &%
Inter&retation/
T.e e$er%enc# %enerator ratin% s.ol( "e "ase( &on t.e cons$e( &o*er )or all cons$ers t.at $a# "ein si$ltaneos o&eration+ Non-e$er%enc# $otors, *.ic. *ill not ato$aticall# start, s.ol( consi(ere(to "e ato$aticall# (isconnecte(+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
"$!$" .ere t.e e$er%enc# sorce o) electrical &o*er is an acc$lator "atter# it s.all "e ca&a"le o) carr#in%t.e e$er%enc# electrical loa( *it.ot rec.ar%in% *.ile $aintainin% t.e 'olta%e o) t.e "atter# t.ro%. t.e(isc.ar%e &erio( *it.in &ls or $ins 12 o) t.e no$inal 'olta%e+
Re)+ 6OD8 co(e <+@+G4
"$!$, .en non-e$er%enc# cons$ers are s&&lie( "# t.e e$er%enc# sorce o) &o*er, it s.all eit.er "e &ossi"le to s&&l# all cons$ers si$ltaneosl#, or ato$atic (isconnection o) non-e$er%enc# cons$ers&on start o) t.e %enerator s.all "e arran%e(+
Re)+ 6OD8 co(e <+@+1@4
Inter&retation/
14 T.e s#ste$ s.ol( "e so arran%e( t.at t.e lar%est cons$er connecte( to t.e e$er%enc# &o*er s&&l#
s#ste$ can "e starte( at all ti$es *it.ot o'erloa(in% t.e %enerator nless ato$aticall# (isconnecte(&on start o) t.e e$er%enc# %enerator+
24 Startin% air co$&ressors, &re.eaters an( l"rication oil &$&s )or t.e $ain en%ine or a:iliar# en%ines$a# "e ei&&e( )or ato$atic (isconnection )ro$ t.e E$er%enc# S*itc."oar(+ Sc. cons$ersnecessar# )or startin% )ro$ (ea( s.i&, i) s&&lie( )ro$ t.e e$er%enc# sorce o) &o*er, s.ol( "e
&ossi"le to connect $anall# at t.e E$er%enc# S*itc."oar( also *.en t.e e$er%enc# %enerator isrnnin%+ I) t.e# $a# case o'erloa(in% o) t.e e$er%enc# %enerator, *arnin% si%ns s.ol( "e )itte( alsostatin% t.e loa( o) t.e cons$ers+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
"$!$- Ser)ices to be s'lie&
Ser'ices liste( in Ta"le 2-1 s.all "e s&&lie( "# t.e e$er%enc# sorce o) &o*er an( t.e transitional sorce o) &o*er )or t.e &erio( liste(+ For a((itional class notations, a((itional reire$ents $a# a&&l#+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age &#
Table 2:! Ser)ices to be s'lie& b. an e+ergenc. so'rce an& b. a transitional so'rce? incl'&ingre7'ire& &'ration *or +ain class
Service mergency power consumers
(uration ofemergency
power+h-
(uration oftransitional
power+h-
E$er%enc#li%.tin%
At e'er# $ster an( e$"ar!ation station, )or sr'i'al cra)t an(t.eir lanc.in% a&&liances, an( at t.e area o) *ater into *.ic. its.all "e lanc.e(+
1 0+<14
In all ser'ice an( acco$$o(ation alle#*a#s, stair*a#s an( e:its, &ersonnel li)t cars an( &ersonnel li)t trn!s+
1 0+<14
In t.e $ac.iner# s&aces an( $ain %eneratin% stations incl(in%t.eir control &ositions+
1 0+<14
In all control stations, $ac.iner# control roo$s, locations *.ereo&eration o) sa)et# ei&$ent $a# "e necessar# to "rin% t.einstallation to a sa)e sta%e, steerin% %ear an( at eac. $ain an(E$er%enc# S*itc."oar(+
1 0+<14
In all s&aces )ro$ *.ic. control o) t.e (rillin% &rocess is &er)or$e( an( *.ere controls o) $ac.iner# essential )or t.e &er)or$ance o) t.is &rocess, or (e'ices )or t.e e$er%enc#s*itc.in%-o)) o) t.e &o*er &lant are locate(+
1 0+<14
At all sto*a%e &ositions )or )ire$enPs ot)its+ 1 0+<14
At t.e )ire &$& re)erre( to in t.is ta"le an( its startin% &osition+ 1 0+<14
At t.e s&rin!ler &$& an( its startin% &osition, i) an#+ 1 0+<14
At t.e e$er%enc# "il%e &$& an( its startin% &osition, i) an#+ 1 0+<14
Floo(li%.t an( &eri$eter li%.ts on .elico&ter lan(in% (ec!s+ 1 0+<14
In all car%o &$&-roo$s 1 0+<14
Na'i%ation li%.tsT.e na'i%ation li%.ts an( ot.er li%.ts reire( "# t.eInternational Re%lations )or re'entin% Collisions at Sea in)orce+
1
Strctre$ar!in%
An# si%nallin% li%.ts or son( si%nals t.at $a# "e reire( )or$ar!in% o) o))s.ore strctres+
G=
Fire &$&s Fire &$&s (e&en(ent &on t.e e$er%enc# %enerator 1
Fire )i%.tin%s#ste$s, e+%+ total)loo(in% s#ste$s
Fire )i%.tin% s#ste$s reire( to "e s&&lie( "# e$er%enc# &o*er in accor(ance *it. rele'ant I6O instr$ents+ 0+<
Steerin% %ear T.e a:iliar# steerin% %ear or, i) t*o i(entical nits, one o) t.e$ain steerin% %ears+ See DNV-OS-D101 C.+2 Sec+< ?2+@
10 $intes
Ballast 'al'esFor col$n sta"ilise( nits/ Ballast control an( in(icatin%s#ste$+
1
Ballast &$&s
For col$n sta"ilise( nits/ An# o) t.e "allast &$&s reire( &o*ere( "# t.e e$er%enc# sorce o) &o*er+ Onl# one o) t.econnecte( &$&s nee( "e consi(ere( to "e in o&eration at an#ti$e+
1
aterti%.t (oors
an( .atc.es
T.e re$ote control s#ste$ )or *aterti%.t (oors an( .atc.es+0+<
Di'in% s#ste$er$anentl# installe( (i'in% s#ste$, i) (e&en(ent &on t.eo))s.ore nitPs electrical &o*er+
2@
i)e "oat Secon( $eans o) lanc.in% o) )ree )all li)e "oat, re)+ SA Co(e+ <4
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age &&
"$!$/ %n&een&ent installation o* o3er so'rces
I) t.e a&&lica"le re%lation )or t.e o))s.ore nit is t.e I6O 6OD8 Co(e, or *.en alternati'e e$er%enc# &o*er arran%e$ent .as "een acce&te( "# t.e at.orities o) t.e )la% state t.e )ollo*in% $a# a&&l#/
.ere t.e $ain sorce o) electrical &o*er is locate( in t*o or $ore s&aces *.ic. .a'e t.eir o*n s#ste$s,incl(in% &o*er (istri"tion an( control s#ste$s, co$&letel# in(e&en(ent o) t.e s#ste$s in t.e ot.er s&acesan( sc. t.at a )ire or ot.er casalt# in an# one s&ace *ill not a))ect t.e &o*er (istri"tion )ro$ t.e ot.ers, or to t.e ser'ices in Ta"le 2-1, t.e reire$ents )or sel)-containe( e$er%enc# &o*er sorce $a# "e consi(ere(satis)ie( *it.ot an a((itional e$er%enc# sorce o) electrical &o*er, &ro'i(e( t.at/
T.ere are at least t*o %enerator sets $eetin% t.e inclination (esi%n reire$ents )or e$er%enc#installations in Sec+3 ?2+1+1+
Eac. set .as ca&acit# to $eet t.e reire$ents in ?3+1+2+ T.ese %enerator sets are locate( in eac. o) at least t*o s&aces+ A casalt# in an# one s&ace *ill not a))ect t.e control s#ste$ )or ato$atic start an( connection o) "ot.
Co$$nication34
T.e VHF ra(io installation reire( "# SOAS C.+ IV+1+1 an(
IV+1+2+ 1 0+<14
I) a&&lica"le/
t.e 6F ra(io installation reire( "# SOAS C.+s IVG+1+1,IVG+1+2, IV10+1+2 an( IV10+1+3
t.e s.i& eart. station reire( "# re%lation IV10+1+1 t.e 6FHF ra(io installation reire( "# re%lations IV
10+2+1, IV10+2+2, IV10+1+2 an( IV11+1+
1 0+<14
All internal co$$nication ei&$ent, as reire(, in ane$er%enc#L s.all incl(e/
$eans o) co$$nication "et*een t.e na'i%atin% "ri(%e an(t.e steerin% %ear co$&art$ent
$eans o) co$$nication "et*een t.e na'i%atin% "ri(%e an(t.e &osition in t.e $ac.iner# s&ace or control roo$ )ro$*.ic. t.e en%ines are nor$all# controlle(
$eans o) co$$nication "et*een t.e "ri(%e an( t.e &ositions )itte( *it. )acilities )or o&eration o) ra(ioei&$ent+
1 0+<14
Alar$ s#ste$s
T.e )ire (etection an( alar$ s#ste$s+ 1 0+<1424
o*er s&&l# to t.e alar$ son(er s#ste$ *.en not an inte%ral &art o) t.e (etection s#ste$ =4 1 14 -=4
T.e %as (etection an( alar$ s#ste$s @4 1 0+<14 24
T.e %eneral alar$ s#ste$+ 1 0+<14 24
Inter$ittent o&eration o) t.e $anal )ire alar$s an( all internalsi%nals t.at are reire( in an e$er%enc#
1 0+<14
ESDSD s#ste$E$er%enc# S.t(o*n ESD4 S#ste$rocess S.t(o*n SD4 S#ste$ i) rele'ant4
1 0+<
BO controlT.e ca&a"ilit# to close t.e "lo*-ot &re'enter an( o)(isconnectin% t.e o))s.ore nit )ro$ t.e *ell .ea( arran%e$ent,i) electricall# controlle(+
1 2
14 8nless sc. ser'ices .a'e an in(e&en(ent s&&l# )or t.e &erio( o) 1 .ors )ro$ an acc$lator "atter# sita"l#locate( )or se in an e$er%enc#+
24 8nless sc. ser'ices .a'e an in(e&en(ent s&&l# )or t.e &erio( s&eci)ie( )ro$ an acc$lator "atter# sita"l#locate( )or se in an e$er%enc#+
34 6eans o) co$$nication accor(in% to DNV-OS-A101+
@4 Onl# *.ere continos %as (etection is reire( "# ot.er a&&lica"le rles+
<4 o*er )or lanc.in% o) t.e li)e "oat s.all "e a'aila"le on (e$an( *it. (ration o) 10 $intes )or eac. li)e"oat+
=4 T.e alar$ son(er s#ste$ tilise( "# t.e Fi:e( Fire Detection an( Fire Alar$ S#ste$ s.all "e &o*ere( )ro$ no lesst.an t*o sorces o) &o*er, one o) *.ic. s.all "e an e$er%enc# sorce o) &o*er+ In o))s.ore nits reire( "#
6OD8 co(e <+@ to "e &ro'i(e( *it. a transitional sorce o) e$er%enc# electrical &o*er t.e alar$ son(er s#ste$s.all also "e s&&lie( )ro$ t.is &o*er sorce+
Re)+ IACS SC3<4
Table 2:! Ser)ices to be s'lie& b. an e+ergenc. so'rce an& b. a transitional so'rce? incl'&ingre7'ire& &'ration *or +ain class Contin'e&B
Service mergency power consumers
(uration ofemergency
power+h-
(uration oftransitional
power+h-
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age &0
all t.ese %enerator sets+ o*er to all reire( e$er%enc# )nctions, as liste( in Ta"le 2-1, are to "e ato$aticall# a'aila"le *it.in
@< secon(s *.en &o*er is ato$aticall# restore( a)ter a "lac!-ot, incl(in% t.ose s&&lie( )ro$ $ain(istri"tion s#ste$s+ T.ese cons$ers $a# "e s&&lie( )ro$ 6ain S*itc."oar(s or s" (istri"tion
"oar(s4+ oa( s.e((in%tri& is arran%e( to &re'ent o'erloa( o) t.ese %enerator sets+ Transitional sorce o) &o*er is installe( *.en reire( in ?3+2+1
T.e location o) eac. o) t.e s&aces re)erre( to in t.is &ara%ra&. is sc. t.at one o) t.ese %enerator setsre$ains o&era"le an( rea(il# accessi"le in t.e )inal con(ition o) (a$a%e+ Frt.er, t.e "on(aries s.all $eett.e &ro'isions o) ?G+1+2, e:ce&t t.at conti%os "on(aries s.all consist o) an A-=0 "l!.ea( an( aco))er(a$ or a steel "l!.ea( inslate( to class A-=0 on "ot. si(es+
Bs tie "rea!ers "et*een t.e s&aces .a'e s.ort circit &rotection &ro'i(in% (iscri$ination+ T.e arran%e$ents o) t.ese %eneratin% sets co$&l# *it. t.e reire$ents %i'en in ?3+1+< c4, i+e+ "s-tie
"rea!ers s.all o&en ato$aticall# &on "lac!ot, ?3+1+< .4, ?3+3+1 an( ?3+3+3 see %i(ance note4+
Inter&retation/
T.e s#ste$ &.iloso&.# )or t.e electrical &o*er s&&l# s#ste$ s.ol( (escri"e .o* t.is &ara%ra&. isco$&lie( *it.+ In a((ition, t.e o&eratin% &.iloso&.# s.ol( incl(e a (escri&tion o) &.#sical location o) $ain co$&onents an( ca"le rotin%s+ T.e test &ro%ra$ )or on"oar( testin% s.ol( (escri"e in (etail .o*t.is )nctionalit# s.ol( "e teste(+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note !>
T.e secon( sorce o) ener%# )or startin% $a# "e locate( otsi(e t.e $ac.iner# s&ace+ In case o) a )ire or ot.er casalt#in an# one s&ace a total o) at least t*o sorces o) startin% ener%# )or t.e re$ainin% %enerators4 .a'e to "e a'aila"le+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
G'i&ance note 2>
An o))s.ore nit "ilt in accor(ance *it. t.is &ara%ra&. *ill not .a'e an# (e(icate( e$er%enc# &o*er s#ste$, sincet.e t*o or $ore4 in(e&en(ent $ain &o*er s#ste$s are consi(ere( to ensre &o*er s&&l# to e$er%enc# cons$ersat all ti$es+ Co$&liance *it. ?3+3+2 is not reire(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$!$4 E+ergenc. S3itchboar&
T.e E$er%enc# S*itc."oar( s.all "e installe( as near as is &ractica"le to t.e e$er%enc# sorce o) &o*er an(,*.ere t.e e$er%enc# sorce o) &o*er is a %enerator, t.e E$er%enc# S*itc."oar( s.all &re)era"l# "e locate(in t.e sa$e s&ace+
6OD8 co(e <+@+114
Inter&retation/
T.e a"o'e i$&lies t.at ca"les "et*een ei&$ent installe( in t.e e$er%enc# %enerator roo$, s.ol( rninsi(e t.e "on(ar# o) t.e roo$+
It is acce&te( t.at t.ere are (i'i(in% "l!.ea(s *it.in t.e A=0 "on(ar# o) t.e e$er%enc# %enerator s&ace &ro'i(e( t.at t.ere is access t.ro%. t.e (i'i(in% "l!.ea(s+
For %enerators as e$er%enc# sorces, t.e reire$ent )or location in t.e sa$e s&ace a&&lies to e$er%enc#trans)or$ers i) an#4 an( t.e e$er%enc# li%.tin% s*itc."oar( as *ell+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
I) t.e location o) t.e E$er%enc# S*itc."oar( i$&airs o&eration, location otsi(e o) t.e e$er%enc# %enerator $a# "eallo*e(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$!$6 In nor$al o&eration, t.e E$er%enc# S*itc."oar( s.all "e s&&lie( )ro$ t.e 6ain S*itc."oar( "# aninterconnectin% )ee(er+ T.is )ee(er s.all "e &rotecte( a%ainst o'erloa( an( s.ort circit at t.e 6ainS*itc."oar(, an( s.all "e (isconnecte( ato$aticall# at t.e E$er%enc# S*itc."oar( &on )ailre o) t.e s&&l#)ro$ t.e $ain sorce o) electrical &o*er+
"$!$8 .ere t.e E$er%enc# S*itc."oar( is arran%e( )or t.e s&&l# o) &o*er "ac! to t.e $ain (istri"tions#ste$, t.e interconnectin% ca"le s.all, at t.e E$er%enc# S*itc."oar( en(, "e ei&&e( *it. s*itc.%ear sita"le )or at least s.ort circit &rotection+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age &1
"$!$! T.e E$er%enc# S*itc."oar( an( e$er%enc# (istri"tion "oar(s s.all not "e consi(ere( as &art o) t.e$ain (istri"tion s#ste$, e'en t.o%. s&&lie( )ro$ sc. (rin% nor$al o&eration+
"$!$!! Tec.nical reire$ents )or )nctionalit# an( constrction )or 6ain S*itc."oar(s, a&&l# to E$er%enc#S*itc."oar(s+
"$!$!2 ro'ision s.all "e $a(e )or t.e &erio(ic testin% o) t.e co$&lete e$er%enc# s#ste$ an( s.all incl(e t.etestin% o) ato$atic startin% arran%e$ents+
"$!$!" No acc$lator "atteries, e:ce&t t.e startin% "atter# )or t.e e$er%enc# %enerator &ri$e $o'er an( controlan( $onitorin% )or t.e e$er%enc# s#ste$, s.all "e installe( in t.e sa$e s&ace as t.e E$er%enc# S*itc."oar(+
"$2 Transitional so'rce
"$2$! Transitional so'rce o* e+ergenc. electrical o3er
a4 A transitional sorce o) &o*er is reire(+
"4 T.e transitional sorce o) electrical &o*er s.all consist o) an acc$lator "atter# sita"l# locate( )or sein an e$er%enc# as reire( )or e$er%enc# &o*er in ?3+1+1, nless it s&&lies &o*er to cons$ers *it.int.e sa$e s&ace as t.e transitional sorce itsel)+
c4 T.e "atter# sorce s.all "e c.ar%e( "# t.e e$er%enc# &o*er (istri"tion s#ste$ an( "e a"le to o&erate,
*it.ot rec.ar%in%, *.ile $aintainin% t.e 'olta%e o) t.e "atter# t.ro%.ot t.e (isc.ar%e &erio( asreire( "# ?1+2+ T.e "atter# ca&acit# s.all "e s))icient to s&&l# ato$aticall#, in case o) )ailre o) eit.er t.e $ain or t.e e$er%enc# sorce o) electrical &o*er, )or t.e (ration s&eci)ie(, at least t.e ser'icesreire( "# Ta"le 2-1, i) t.e# (e&en( &on an electrical sorce )or t.eir o&eration+ See notes to Ta"le 2-1+
"$" E+ergenc. generators
"$"$! (ri+e +o)er *or e+ergenc. generator
a4 .ere t.e e$er%enc# sorce o) electrical &o*er is a %enerator, it s.all "e (ri'en "# a sita"le &ri$e $o'er .a'in% in(e&en(ent s&&l# o) )el *it. a )las.&oint close( c&4 o) not less t.an @3°C an( s.all .a'ea:iliar# s#ste$s e+%+ coolin% s#ste$, 'entilation an( l"rication o&eratin% in(e&en(entl# o) t.e $ainelectrical &o*er s#ste$+
"4 T.e &ri$e $o'er s.all "e starte( ato$aticall# &on )ailre o) t.e $ain sorce o) electrical &o*er s&&l#+
c4 .en t.e e$er%enc# sorce o) &o*er is not rea(# )or i$$e(iate startin%, an in(ication s.all "e %i'en inan en%ine control roo$+
"$"$2 (rotecti)e *'nctions o* e+ergenc. generating sets
a4 T.e &rotecti'e s.t(o*n )nctions associate( *it. e$er%enc# %eneratin% sets s.all "e li$ite( to t.osenecessar# to &re'ent i$$e(iate $ac.iner# "rea!(o*ns i+e+ s.ort circit+ For &ri$e $o'er see DNV-OS-D101+
"4 Ot.er &rotecti'e )nctions sc. as o'ercrrent, .i%. te$&eratre etc+ s.all, i) installe(, %i'e alar$ onl#+ Itis reco$$en(e( t.at sc. alar$s are %i'en to t.e $ain alar$ s#ste$+
I) o'ercrrent &rotection release is inte%rate( in t.e circit "rea!er, t.e settin% o) t.is release s.all "e set atits $a:i$$ 'ale+
c4 For se as a .ar"or %enerator, see ?3+3+@+
"$"$" Starting arrange+ents *or e+ergenc. generating sets
a4 An e$er%enc# %eneratin% set s.all "e ca&a"le o) "ein% rea(il# starte( in its col( con(ition at a te$&eratreo) 0C+ I) t.is is i$&ractica"le, or t.e o))s.ore nit is inten(e( )or o&eration at lo*er a$"ient te$&eratres,
&ro'isions s.all "e $a(e )or .eatin% arran%e$ents to ensre rea(# startin% o) t.e %eneratin% sets+
"4 E$er%enc# %eneratin% set s.all "e ei&&e( *it. startin% (e'ice *it. a store( ener%# ca&a"ilit# o) at leastt.ree consecti'e starts+ A secon( sorce o) ener%# s.all "e &ro'i(e( )or an a((itional t.ree starts *it.in30 $intes, nless $anal startin% can "e (e$onstrate( to "e e))ecti'e *it.in t.is ti$e+ One startin% $otor is s))icient+ T.e (ration o) eac. startin% s.all "e $ini$$ 10 s+
c4 Store( ener%# )or startin% s.all "e $aintaine( at all ti$es, an( s.all "e &o*ere( )ro$ t.e E$er%enc#S*itc."oar(+ All startin%, c.ar%in% an( ener%# storin% (e'ices s.all "e locate( in t.e e$er%enc# %enerator s&ace+ Co$&resse( air startin% s#ste$s $a# .o*e'er "e $aintaine( "# t.e $ain or a:iliar# co$&resse(air s#ste$ t.ro%. a sita"le non-retrn 'al'e )itte( in t.e e$er%enc# %enerator s&ace+
(4 I) acc$lator "atteries are se( )or startin% o) t.e e$er%enc# %enerator &ri$e $o'er, e'er# sc. &ri$e$o'er s.all .a'e se&arate "atteries t.at are not se( )or an# &r&ose ot.er t.an t.e o&eration o) t.ee$er%enc# %eneratin% set+
Re)+ 6OD8 co(e <+<4
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age &2
Inter&retation/
I) t.e e$er%enc# %enerator set is ei&&e( *it. an electronic %o'ernor, electronic AVR, &ri$in% &$&s or ot.er a:iliaries (e&en(ent &on electric &o*er s&&l# )or a sccess)l start, &o*er s&&l# to t.isei&$ent s.ol( "e in accor(ance *it. t.e reire$ents )or ener%# )or startin% o) e$er%enc# %eneratin%sets+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
"$"$, E+ergenc. generator 'se& in ort
a4 T.e e$er%enc# sorce o) &o*er $a# "e se( (rin% ti$e in &ort )or t.e s&&l# o) t.e o))s.ore nit $ains, &ro'i(e( t.e reire$ents )or a'aila"le e$er%enc# &o*er is a(.ere( to at all ti$es+
"4 To &re'ent t.e %enerator or its &ri$e $o'er )ro$ "eco$in% o'erloa(e( *.en se( in &ort, arran%e$entss.all "e &ro'i(e( to s.e( s))icient non-e$er%enc# loa(s to ensre its contine( sa)e o&eration+
c4 T.e &ri$e $o'er s.all "e arran%e( *it. )el oil )ilters an( l"rication oil )ilters, $onitorin% ei&$ent an( &rotection (e'ices as reire( )or t.e &ri$e $o'er )or $ain &o*er %eneration an( )or natten(e( o&eration+
(4 T.e )el oil s&&l# tan! to t.e &ri$e $o'er s.all "e &ro'i(e( *it. a lo* le'el alar$, arran%e( at a le'elensrin% s))icient )el oil ca&acit# )or t.e e$er%enc# ser'ices )or t.e reire( &erio(+
e4 Fire (etectors s.all "e installe( in t.e location *.ere t.e e$er%enc# %enerator set an( E$er%enc#S*itc."oar( are installe(+
)4 6eans s.all "e &ro'i(e( to rea(il# c.an%e o'er to e$er%enc# o&eration+
%4 Control, $onitorin% an( s&&l# circits, )or t.e &r&ose o) t.e se o) t.e e$er%enc# %enerator in &ort s.all "e so arran%e( an( &rotecte( t.at an# electrical )alt *ill not in)lence t.e o&eration o) t.e $ain an(e$er%enc# ser'ices+ .en necessar# )or sa)e o&eration, t.e E$er%enc# S*itc."oar( s.all "e )itte( *it.s*itc.es to isolate t.e circits+
.4 Instrctions s.all "e &ro'i(e( on "oar( to ensre t.at *.en t.e o))s.ore nit is n(er *a# all control(e'ices e+%+ 'al'es, s*itc.es4 are in a correct &osition )or t.e in(e&en(ent e$er%enc# o&eration o) t.ee$er%enc# %enerator set an( E$er%enc# S*itc."oar(+ T.ese instrctions are also to contain in)or$ationon reire( )el oil tan! le'el, &osition o) .ar"or or sea $o(e s*itc. i) )itte(, 'entilation o&enin%s etc+
Re)+ IACS 8I SC1<2 as "ase( on 6OD8 co(e <+@+@4
, 5atter. s.ste+s
,$! General
,$!$! Caacit. o* acc'+'lator batteries
Batteries t.at s.all "e se( )or &o*er s&&l# reire( "# t.ese rles s.all "e (i$ensione( )or t.e ti$e reire()or t.e inten(e( )nction at an a$"ient te$&eratre o) 0°C, nless .eatin% is &ro'i(e(+
,$!$2 5atter. o3ere& s.ste+s
a4 Reire$ents )or "atteries se( )or &ro&lsion, an( reire$ents to ot.er "atter# tec.nolo%ies t.an NiC(an( ea( Aci( "atteries are co'ere( "# DNV Rles )or Classi)ication o) S.i&s t+= C.+2+
"4 Eac. "atter# &o*ere( s#ste$ s.all .a'e a se&arate c.ar%in% (e'ice, sita"le )or t.e actal ser'ice+ T.is$a# alternati'el# "e/
a c.ar%in% (e'ice s&&lie( )ro$ t.e o))s.ore nitPs &ri$ar# or secon(ar# electric (istri"tion+ Sc.c.ar%in% (e'ices are consi(ere( as i$&ortant cons$ers
a c.ar%in% (#na$o (ri'en "# one o) t.e en%ines *.ic. t.e "atter# nor$all# s&&lies, e:ce&t t.at t.isis not allo*e( )or a:iliar# en%ines )or e$er%enc# %enerator an( e$er%enc# )ire &$&+
c4 Eac. "atter# reire( "# t.ese rles s.all .a'e its o*n (e(icate( c.ar%in% (e'ice+
(4 Eac. c.ar%in% (e'ice is, at least, to .a'e s))icient ratin% )or rec.ar%in% to 0 ca&acit# *it.in 10 .ors,*.ile t.e s#ste$ .as nor$al loa(+
e4 T.e "atter# c.ar%er s.all "e sita"le to !ee& t.e "atter# in )ll c.ar%e( con(ition, )loat c.ar%e4, ta!in% intoaccont "atter# c.aracteristics, te$&eratre an( loa( 'ariations+ I) t.e "atter# reires s&ecial 'olta%e
re%lation to o"tain e))ecti'e rec.ar%in%, t.en t.is is to "e ato$atic+ I) $anal "oost c.ar%e is &ro'i(e(,t.en t.e c.ar%er is to re'ert to nor$al c.ar%e ato$aticall#+
,$!$" 5atter. +onitoring
An alar$ s.all "e %i'en at a $anne( control station i) t.e c.ar%in% o) a "atter# )ails, alternati'el# an alar$ s.all
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age &3
"e %i'en i) t.e "atter# is "ein% (isc.ar%e(+ Reire$ents )or alar$ i) 'entilation )ails are %i'en in ?G+@+A((itional reire$ents )or t.e "atter# c.ar%er is %i'en in Sec+ ?1+2+10 a4 an( )4+
G'i&ance note>
A sin%le co$$on alar$ si%nal to a central alar$ s#ste$ $a# "e acce&te( )or t.e t*o alar$s liste( in t.is &ara%ra&.+
I) ot.er alar$s are incl(e( in t.e co$$on alar$ si%nal, it $st "e ensre( t.at an acti'e alar$ *ill not &re'entinitiation o) an# ne* alar$ *it. its a(i"le an( 'isal in(ication+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$!$, 5atter. arrange+ent
Batter# installations s.all co$&l# *it. t.e reire$ents in ?G+@+
G'i&ance note>
Tri& o) "atter# )ro$ t.e ESD s#ste$ $i%.t "e reire( accor(in% to DNV-OS-A101+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
- Starting arrange+ent *or engines 3ith electric starter
-$! General-$!$! Starting arrange+ents *or +ain engines
a4 .en electric startin% arran%e$ent )or $ain en%ines is se(, t.ere s.all "e at least t*o se&aratel# installe( "atteries, connecte( "# se&arate electric circits arran%e( sc. t.at &arallel connection is not &ossi"le+ Eac. "atter# s.all "e ca&a"le o) startin% t.e $ain en%ine *.en in col( an( rea(# to start con(ition+
"4 .en t*o "atteries are ser'in% a sin%le $ain en%ine, a c.an%e-o'er s*itc. or lin! arran%e$ent )or alternati'e connection o) t.e starter $otor *it. its a:iliar# circits to t.e t*o "atteries s.all "e &ro'i(e(+
c4 Startin% arran%e$ents )or t*o or $ore $ain en%ines s.all "e (i'i(e( "et*een t.e t*o "atteries an(connecte( "# se&arate circits+ Arran%e$ents )or alternati'e connection o) one "atter# to "ot. or all4en%ines can "e $a(e, i) (esire(+
(4 T.e "atteries s.all "e installe( in se&arate "o:es or loc!ers or in a co$$on "atter# roo$ *it. se&arates.el'es not a"o'e eac. ot.er4+
e4 Eac. "atter# s.all .a'e s))icient ca&acit# )or at least t.e )ollo*in% start atte$&ts o) t.e en%ines "ein%nor$all# s&&lie(/
12 starts )or eac. re'ersi"le en%ine
= starts )or eac. non-re'ersi"le en%ine connecte( to a re'ersi"le &ro&eller or ot.er (e'ices ena"lin% t.een%ine to "e starte( *it. no o&&osin% tore+
T.e (ration o) eac. startin% s.all "e ta!en as $ini$$ 10 s+ I) t.e startin% "atteries are also se( )or s&&l#in% ot.er cons$ers, t.e ca&acit# s.all "e increase( accor(in%l#+
)4 For $lti-en%ine &ro&lsion &lants t.e ca&acit# o) t.e startin% "atteries s.all "e s))icient )or 3 starts &er en%ine+ Ho*e'er, t.e total ca&acit# s.all not "e less t.an 12 starts an( nee( not e:cee( 1 starts+
-$!$2 Starting arrange+ent *or a';iliar. engines
a4 Electric startin% arran%e$ent )or a sin%le a:iliar# en%ine not )or e$er%enc# se, s.all .a'e a se&arate "atter#, or it s.all "e &ossi"le to connect it "# a se&arate circit to one o) t.e $ain en%ine "atteries, *.ensc. are se( accor(in% to ?<+1+1+
"4 .en t.e startin% arran%e$ent ser'es t*o or $ore a:iliar# en%ines, t.ere s.all at least "e t*o se&arate "atteries, as s&eci)ie( )or $ain en%ines in ?<+1+1+ T.e $ain en%ine "atteries, *.en sc. are se(, can also "e se( )or t.is &r&ose+
c4 Eac. startin% "atter# s.all .a'e s))icient ca&acit# )or at least t.ree start atte$&ts o) eac. o) t.e en%ines "ein% nor$all# s&&lie(+ T.e (ration o) eac. startin% s.all "e ta!en as $ini$$ 10 s+ I) t.e startin% "atteries are also se( )or s&&l#in% ot.er cons$ers, t.e ca&acit# s.all "e increase( accor(in%l#+
G'i&ance note>
Alternati'el# it $a# "e acce&te( t.at one o) t.e reire( "atteries is locate( otsi(e t.e en%ine roo$+ In t.is case ac.an%eo'er $anall# o&erate( an( nor$all# !e&t o&en4 s.all "e arran%e( "et*een t.e t*o "atter# s#ste$s+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age &4
/ Electric o3er &istrib'tion
/$! Distrib'tion in general
/$!$! General
a4 All s*itc."oar(s s.all "e &ro'i(e( *it. s*itc.%ear )or ot%oin% circits so t.at isolation )or $aintenance
is &ossi"le+ See Sec+@ ?1+1+<+ "4 Cons$ers )or eac. essential or i$&ortant )nctions s.all "e connecte( to a 6ain S*itc."oar(, (istri"tion
"oar( or $otor control center "# se&arate circits+
c4 T*o or $ore nits s&&lie( )ro$ t.e $ain %enerators an( ser'in% t.e sa$e essential or i$&ortant &r&oses.all .a'e a se&arate s&&l# circit )ro$ (i))erent sections o) t.e 6ain S*itc."oar(s4 or s.all "e (i'i(e(
"et*een at least t*o (istri"tion s*itc."oar(s, eac. .a'in% a se&arate s&&l# circit )ro$ eit.er si(e o) t.e "s tie i) sc. is &ro'i(e(4 In instances *.ere $ore t.an t*o nits are se( an( t.e s*itc."oar( .as onl#t*o sections, t.e circits are to "e e'enl# (i'i(e( "et*een t.e t*o sections+
(4 .en a co$&onent or s#ste$ .as t*o or $ore &o*er s&&l# circits, an alar$ s.all "e initiate( at a $anne(control station &on loss o) an# o) t.ese &o*er s&&lies+
e4 For con'erters ser'in% as AC &o*er s&&l# nits se( as e$er%enc# or transitional sorce o) &o*er, or as &o*er s&&l# to essential or i$&ortant cons$ers, a $anal "#&ass arran%e$ent s.all "e &ro'i(e( nless
re(n(ant s&&l# to t.e cons$ers is ot.er*ise ensre(+
Inter&retation/
To a4 Ei&$ent sita"le )or isolation is (e)ine( in IEC =0G@-1 clase +1++ Contactors are t.ere)ore notacce&te( as sita"le )or isolation+
To (4/ Reire$ent to alar$s a&&lies e'en i) t*o or $ore &o*er s&&lies are not reire(+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
/$!$2 Conse7'ence o* single *ail're
T.e )ailre o) an# sin%le circit or "s"ar section s.all not en(an%er t.e ser'ices necessar# )or t.e o))s.ore
nitPs $anoe'ra"ilit#+ T.e )ailre o) an# sin%le circit s.all not case i$&ortant ser'ices to "e ot o) action)or lon% &erio(s+ An# sin%le )ailre s.all not ren(er (&licate( cons$ers ser'in% essential or i$&ortantser'ices ino&era"le+
Re)+ 6OD8 co(e +G+34
Inter&retation/
I) t.e secon(ar# (istri"tion is arran%e( as t*o se&arate s#ste$s eac. )e( )ro$ one trans)or$er or con'erter, (&licate( essential or i$&ortant cons$ers s.ol( "e (i'i(e( "et*een t.e t*o s#ste$s+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
/$!$" Eac. trans)or$er reire( accor(in% to ?2+1+1 s.all "e installe( as a se&arate nit, *it. a se&arateenclosre+
Re)+ IACS 8I SC34
G'i&ance note>
Sin%le )ailre $eans )ailre in an# sin%le circit, )ee(er, trans)or$er or &art o) s*itc."oar( *it.in one "s tie section+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
/$!$, Di)ision o* +ain b'sbars
.ere t.e $ain sorce o) electrical &o*er is necessar# )or &ro&lsion o) t.e o))s.ore nit, or )or .i%. 'olta%e(istri"tion s#ste$s, t.e $ain "s"ar s.all "e s"(i'i(e( into at least t*o &arts *.ic. s.all nor$all# "econnecte( "# circit "rea!ers or ot.er a&&ro'e( $eansL so )ar as is &ractica"le, t.e connection o) %eneratin%sets an( ot.er (&licate( ei&$ent s.all "e eall# (i'i(e( "et*een t.e &arts+Re)+ SOAS C.+ II-1, @0+1, re) 6OD8 co(e +G+3 an( 6OD8 <+3++34
G'i&ance note>
Ot.er a&&ro'e( $eans can "e ac.ie'e( "#/
Circit "rea!er *it.ot tri&&in% $ec.anis$L or (isconnectin% lin! or s*itc. "# *.ic. "s"ars can "e s&lit easil# an(sa)el#+ Bolte( lin!s, )or e:a$&le "olte( "s"ar sections, are not to "e acce&te(+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age &5
Sin%le )ailre $eans )ailre in an# sin%le circit, )ee(er, trans)or$er or &art o) s*itc."oar( *it.in one "s tie section+A((itional class notations $a# reire t.at eac. &art o) t.e $ain "s"ars *it. its associate( %enerators is arran%e( inse&arate co$&art$ents+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
/$!$- .ere t*o se&arate s*itc."oar(s are &ro'i(e( an( interconnecte( *it. ca"les, a circit "rea!er *it. &rotection as reire( "# ?+2+1 an( "rea!in% ca&acit# as reire( "# ?+2+2 s.all "e &ro'i(e( at eac. en( o)
t.e ca"le+ See Sec+@ ?2+1+=+Re)+ IACS 8R E11 2+1+14
Inter&retation/
T.e reire$ent )or (i'ision o) $ain "s"ars a&&lies to all 'olta%e le'els *.ere ser'ices necessar# )or &ro&lsion o) t.e o))s.ore nit are s&&lie( )ro$+ T.e e$er%enc# electrical &o*er s&&l# s#ste$ s.ol(not "e se( to co$&l# *it. t.is reire$ent+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
/$!$/ Generator circ'its
a4 Eac. %enerator s.all "e connecte( "# a se&arate circit to t.e corres&on(in% s*itc."oar(+
"4 .en a %enerator is se( )or (irect s&&l# to sin%le cons$ers, or can "e connecte( to $ore t.an one "s"ar section, $ore t.an one %enerator "rea!er is acce&ta"le+ In sc. cases, a((itional reire$ents to &rotection o) t.e circits "et*een t.e %enerator ter$inals an( t.e %enerator circit "rea!ers are %i'en in?+3+1 c4 inter&retation 3+
/$2 0ighting
/$2$! 0ighting s.ste+ arrange+ent
a4 T.e li%.tin% s#ste$ s.all "e "ase( on t.e )ollo*in% se&aration o) t.e s#ste$/
$ain li%.tin% s#ste$ s&&lie( )ro$ t.e $ain &o*er s&&l# s#ste$ e$er%enc# li%.tin% s#ste$ s&&lie( )ro$ t.e e$er%enc# &o*er s&&l# s#ste$ esca&e transitional4 li%.tin% s#ste$ s&&lie( )ro$ a "atter# "ac!& transitional4 sorce o) electrical
&o*er+
"4 T.e $ain electric li%.tin% s#ste$ s.all &ro'i(e ill$ination t.ro%.ot t.ose &arts o) t.e o))s.ore nitnor$all# accessi"le to, an( se( "#, &assen%ers or cre*, an( s.all "e s&&lie( )ro$ t.e $ain sorce o) electrical &o*er+
6OD8 <+3+@4
c4 T.e e$er%enc# li%.tin% s#ste$ s.all &ro'i(e ill$ination t.ro%.ot t.ose &arts o) t.e o))s.ore nit liste(in Ta"le 2-1, an( s.all "e s&&lie( )ro$ t.e e$er%enc# sorce o) electrical &o*er+ 8&on loss o) $ain sorceo) &o*er, all reire( e$er%enc# li%.tin% s.all "e ato$aticall# s&&lie( )ro$ t.e e$er%enc# sorce o)
&o*er+
Re)+ 6OD8 <+@+=+1 an( <+@++24
Inter&retation/
14 At least 30 o) t.e li%.tin% installation in eac. s&acearea s.ol( "e o&era"le a)ter loss o) one o) t.eli%.tin% s#ste$s+
24 For o))s.ore nits $eetin% t.e reire$ents in ?3+1+@, i+e+ *.ic. (o not .a'e a (e(icate( e$er%enc#sorce o) &o*er, t.e a"o'e (oes not a&&l#+ Ho*e'er, s))icient li%.tin% to carr# ot all )nctionsnecessar# )or t.e sa)e o&eration o) t.e o))s.ore nit an( in all areas *.ere e$er%enc# li%.t is reire(accor(in% to Ta"le 2-1, s.ol( "e (i'i(e( "et*een at least t*o circits )ro$ t.e in(e&en(ent &o*er sorces+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
E$er%enc# e:terior li%.tin% $a# .o*e'er "e controlle( "# s*itc. on t.e "ri(%e+---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
/$2$2 T.e esca&e transitional4 li%.tin% s#ste$ s.all &ro'i(e ill$ination t.ro%.ot t.ose &arts o) t.eo))s.ore nit liste( in Ta"le 2-1, s&&lie( "# inte%rate( or centralise( "atteries+ T.ese "atteries s.all .a'e
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 0$
s&&l# )ro$ an e$er%enc# (istri"tion s#ste$+ T.e esca&e li%.tin% s#ste$ s.all "e s*itc.e( on ato$aticall#in t.e e'ent o) )ailre o) t.e $ain an( e$er%enc# &o*er s&&l#+
Re)+ IEC =1G2-2, sec+ 11+@4
/$2$" I) t.e $ain li%.tin% is arran%e( as t*o se&arate secon(ar# s#ste$s, eac. )e( )ro$ a se&arate trans)or$er or con'erter, t.en t.e $ain li%.tin% s.all "e (i'i(e( "et*een t.e t*o s#ste$s so t.at *it. one s#ste$ ot o) o&eration, t.ere re$ains s))icient li%.tin% to carr# ot all )nctions necessar# )or t.e sa)e o&eration o) t.e
o))s.ore nit+Re)+ 6OD8 <+3+=4
Inter&retation/
14 T.e re(n(anc# reire$ent $a# "e re&lace( "# a li%.tin% installation (i'i(e( "et*een t*o s#ste$s, "ilt *it. re(n(anc# in tec.nical (esi%n an( &.#sical arran%e$ent, i+e+ *it. one s#ste$ ot o) o&eration, t.e re$ainin% s#ste$ s.ol( "e s))icient )or carr#in% ot all t.e )nctions necessar# )or t.esa)e o&eration o) t.e o))s.ore nit+ T.e E$er%enc# S*itc."oar( $a# "e se( as one o) t.e secon(ar#(istri"tion s#ste$s+
24 T.e li%.tin% in all areas *.ere e$er%enc# or esca&e li%.tin% is reire( s.ol( "e (i'i(e( "et*een atleast t*o circits, one )ro$ t.e 6ain an( one )ro$ t.e E$er%enc# S*itc."oar(+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
Re(n(anc# reire$ent )or %enerators an( trans)or$ers s&&l#in% t.e $ain li%.tin% s#ste$ is %i'en in ?2+1+1+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
/$2$, Na)igation lights controllers
T.e na'i%ation li%.ts s.all "e connecte( to a (e(icate( na'i%ation li%.t controller &lace( on t.e "ri(%e or int.e c.art roo$ or s&ace+ T.is na'i%ation li%.t controller s.all not "e se( )or ot.er &r&oses, e:ce&t t.at si%nalli%.ts reire( "# canal at.orities can "e s&&lie(+
G'i&ance note>
Accor(in% to I6O 6SC2<334 na'i%ation li%.ts $eans t.e )ollo*in% li%.ts/
$ast.ea( li%.t, si(eli%.ts, stern li%.t, to*in% li%.t, all-ron( li%.t, )las.in% li%.t as (e)ine( in Rle 21 o) CORE
$anoe'rin% li%.t reire( "# Rle 3@"4 o) CORE+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
/$2$- (o3er s'l. to na)igation lights
a4 T.e na'i%ation li%.t controller s.all "e s&&lie( "# t*o alternati'e circits, one )ro$ t.e $ain sorce o) &o*er an( one )ro$ t.e e$er%enc# sorce o) &o*er+ A c.an%eo'er s*itc. s.all "e arran%e( )or t.e t*os&&l# circits+ 8&on )ailre o) eit.er &o*er s&&l#, an alar$ s.all "e %i'en+
"4 For o))s.ore nits *it.ot e$er%enc# &o*er t.e na'i%ation li%.tin% s.all .a'e a "atter# "ac!e( & s&&l#+
/$2$/ Na)igation light circ'itsa4 A se&arate circit s.all "e arran%e( )or eac. li%.t connecte( to t.is controller *it. a $lti&ole circit
"rea!er, $lti&ole )se( circit "rea!er or *it. a $lti&ole s*itc. an( )ses in eac. &.ase+
"4 T.e o'erloa( an( s.ort circit &rotection )or eac. o) t.ese circits s.all "e correlate( *it. t.e s&&l# circitto ensre (iscri$inati'e action o) t.e &rotection (e'ices+
c4 Eac. li%.t circit s.all "e &ro'i(e( *it. an ato$atic $onitorin% (e'ice *.en t.e li%.t circit is s*itc.e(on, %i'in% alar$ in t.e e'ent o) )ailre o) t.e li%.t, an( in t.e e'ent o) a s.ort circit+
(4 A $ast.ea( li%.t, si(eli%.ts an( a sternli%.t installe( on "oar( an o))s.ore nit not less t.an <0 $ in len%t.s.ol( "e (&licate( or "e )itte( *it. (&licate la$&s+
re) I6O 6SC+2<3344
Inter&retation/.en (&lication is reire(, eac. na'i%ation li%.t or la$& s.all "e )e( "# a se&arate circit as reire( int.is &ara%ra&.+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 0%
/$" (o3er s'l. to control an& +onitoring s.ste+s
/$"$! General
T.is &art o) t.e rles (e)ines t.e &rinci&al reire$ents to &o*er s&&l# arran%e$ent )or control an($onitorin% s#ste$s+ .ere &articlar &o*er s&&l# reire$ents are 'ali( it is s&eci)ie( in t.e a&&lica"lerles+
/$"$2 (o3er s'l.T.e &o*er s&&l# s.all in %eneral "e s&&lie( )ro$ t.e sa$e (istri"tion "oar( as t.e cons$er or t.e s#ste$
"ein% ser'e(+
Inter&retation/
T.e %eneral &rinci&le is t.at t.e &o*er s&&l# to t.e control an( $onitorin% s#ste$s s.ol( re)lect t.e%eneral se%re%ation in t.e &o*er s&&l# arran%e$ent to t.e cons$ers or ei&$ent n(er control+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
/$"$" %n&een&ent o3er s'lies
.en in(e&en(ent &o*er s&&lies are reire(, t.ese s&&lies s.all "e )ro$ se&arate sections o) t.e 6ainS*itc."oar( or )ro$ (istri"tion "oar(s s&&lie( )ro$ se&arate sections o) t.e 6ain S*itc."oar(+
For sin%le control an( $onitorin% s#ste$s *.ere in(e&en(ent &o*er s&&lies are reire(, an ato$aticc.an%e-o'er )or t.e t*o &o*er s&&lies s.all "e arran%e( as close as &ossi"le to t.e cons$er+
Inter&retation/
14 T*o s&&lies )ro$ a co$$on &o*er (istri"tion "oar( are not consi(ere( to "e in(e&en(ent, e'en i) t.e (istri"tion "oar( itsel) is )e( )ro$ in(e&en(ent s&&lies+
24 Sin%le control an( $onitorin% s#ste$s in t.is cate%or# s.ol( "e ei&&e( *it. t*o ter$inals )or connection o) t.e e:ternal &o*er s&&l# ca"les+ T.e c.an%e-o'er arran%e$ent s.ol( t.en "e locate(on t.e cons$er si(e o) t.ese ter$inals+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
/$"$, A&&itional e+ergenc. s'l.
For control an( $onitorin% s#ste$s *.ere s&&l# )ro$ "ot. $ain an( e$er%enc# sorce o) &o*er are reire(, "t not reirin% in(e&en(ent s&&lies, t.e &o*er $a# "e s&&lie( "# a sin%le circit )ro$ a &o*er (istri"tion "oar( &ro'i(e( t.at t.is (istri"tion "oar( is s&&lie( )ro$ "ot. t.e $ain- an( e$er%enc# (istri"tion s#ste$s+Sc. a (istri"tion "oar( s.all "e locate( in t.e sa$e s&ace as t.e s#ste$ "ein% ser'e(+
Inter&retation/
T.e E$er%enc# S*itc."oar(s alone are not consi(ere( to co$&l# *it. t.e a"o'e, e'en i) s&&lie( )ro$6ain S*itc."oar( (rin% nor$al o&eration+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
/$"$- Uninterr'tible o3er s'l.For control an( $onitorin% s#ste$s *.ere "ot. ninterr&ta"le an( in(e&en(ent &o*er s&&lies are reire(,at least one o) t.e s&&lies s.all "e &ro'i(e( *it. store( ener%#+
Inter&retation/
An ninterr&ti"le &o*er s&&l# 8S4 alone is not consi(ere( to &ro'i(e t.e reire( in(e&en(enc#, e'eni) t.e 8S itsel) is )e( "# t*o in(e&en(ent s&&lies an( ei&&e( *it. static "#&ass+ An electricall#in(e&en(ent "#&ass is reire(+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
/$"$/ Monitoring o* o3er s'lies
a4 8&on )ailre o) t.e &o*er s&&l# to essential an( i$&ortant )nctions, an alar$ s.all "e initiate( nlessloss o) )nction *ill ot.er*ise "e alar$e(+ In case o) (&licate( or in(e&en(ent &o*er s&&lies, "ot.s&&lies s.all "e $onitore(+
"4 .en a control s#ste$ .as (&licate( or in(e&en(ent &o*er s&&lies, "ot. s&&lies s.all "e $onitore(, an(an alar$ %i'en at a $anne( location &on )ailre o) an# o) t.e$+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 0#
/$, 0o3 )oltage shore connections
/$,$! General
a4 .en s&&l# )ro$ s.ore is se(, t.e connection o) t.e s&&l# ca"le )ro$ s.ore s.all %enerall# "e carrie(ot "# sita"le ter$inals &lace( in a s*itc."oar( or in a s.ore-connection "o: or a soc!et otlet *it. a
&er$anent ca"le connection to a recei'in% s*itc."oar(+ In t.e s.ore-connection "o:, s*itc.%ear an(
&rotection as reire( )or )ee(er circits s.all "e installe(, For circits rate( $a:i$$ =3 A, t.e circit$a# .a'e s.ort circit an( o'ercrrent &rotection in t.e recei'in% s*itc."oar( onl#+
"4 In t.e recei'in% s*itc."oar(, t.e circit s.all, at least, "e &ro'i(e( *it. a s*itc.-(isconnector+
c4 I) t.e s.ore connection is s&&l#in% &o*er 'ia t.e E$er%enc# S*itc."oar(, t.e )ollo*in% a&&lies/
?3+1+G (4 s.all "e co$&lie( *it. n(er'olta%e (isconnection o) t.e &o*er s&&l# )ro$ s.ore s.all "e arran%e( so t.at t.e s.ore
connection s&&l# is (isconnecte( &on loss o) &o*er in or(er to ena"le ato$atic start an( connectiono) t.e e$er%enc# %enerator+
(4 For AC s#ste$s *it. eart.e( netral, ter$inals )or connection "et*een t.e s.ore an( o))s.ore nitPsnetrals s.all "e &ro'i(e(+
G'i&ance note>
National at.orities $a# reire c.an%eo'er or interloc!in% s#ste$, so arran%e( t.at t.e connection to s.ore cannot "e )e( )ro$ t.e o))s.ore nits %enerators+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
4 (rotection
4$! S.ste+ rotection
4$!$! O)erloa& rotection
a4 oa( s.e((in% or ot.er ei'alent ato$atic arran%e$ents s.all "e &ro'i(e( to &rotect t.e %enerators,reire( "# t.ese rles, a%ainst sstaine( acti'ereacti'e o'erloa(+
Re)+ 6OD8 co(e <+3++14
Inter&retation/
14 In &o*er (istri"tion s#ste$s t.at $i%.t o&erate in (i))erent s#ste$ con)i%rations, t.e loa( s.e((in%s.ol( "e sc. arran%e( t.at necessar# s#ste$ &rotection is )nctionin% in all s#ste$ con)i%rations+
24 A loa( s.e((in%, or loa( re(ction s#ste$, i) installe(, s.ol( "e acti'ate( at a loa( le'el sita"le "elo*100 o) t.e o'erloa( or o'ercrrent &rotection settin%+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
O'erloa( &rotection $a# "e arran%e( as loa( re(ction or as t.e tri&&in% o) non-i$&ortant cons$ers+ .ere $oret.an one %enerator is necessar# to co'er nor$al loa( at sea, t.en i$&ortant cons$ers $a# "e tri&&e(, i) necessar#+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
4$!$2 %ns'lation *a'lt
Eac. inslate( or .i%. resistance eart.e( &ri$ar# or secon(ar# (istri"tion s#ste$ s.all .a'e a (e'ice or (e'ices to continosl# $onitor electrical inslation to eart.+ For inslate( (istri"tion s#ste$s, t.e circlationcrrent %enerate( "# eac. (e'ice )or inslation $onitorin% s.all not e:cee( 30 $A n(er t.e $ostn)a'ora"le con(itions+
In case o) a"nor$all# lo* inslation 'ales t.e )ollo*in% is reire(/
For lo* 'olta%e s#ste$s/ An a(i"le or 'isal in(ication+
For .i%. 'olta%e s#ste$s/ An alar$ at a $anne( control station I+e+ "ot. 'isal an( a(i"le si%nal4+
A(i"le or 'isal in(ication )or lo* 'olta%e s#ste$s can "e o$itte( &ro'i(e( ato$atic (isconnection isarran%e(+
Re)+ 6OD8 co(e <+=+, IACS E11 2 an( IEC =1G2-2, sec+ <+2+14
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 0&
Inter&retation/
T.e reire$ents a"o'e s.ol( "e a&&lie( on all %al'anic isolate( circits, e:ce&t )or/
(e(icate( s#ste$s )or sin%le cons$ers
%al'anic se&arate( local s#ste$s !e&t *it.in one enclosre+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
4$!$" On .i%. 'olta%e s#ste$s ato$atic (isconnection s.all "e arran%e( )or o&eration at 13 or less o) t.e$ini$$ eart. )alt crrent+ Ho*e'er, )or s#ste$s *it. .i%.-resistance eart.e( netral or isolate( netral, t.is(isconnection can "e re&lace( *it. an alar$ *.en t.e (istri"tion s#ste$ an( ei&$ent are (i$ensione( )or continos o&eration *it. eart. )alt+ For t.e reire$ents )or 'olta%e class o) .i%. 'olta%e ca"les (e&en(ento) s#ste$ "e.a'ior *it. eart. )alt, see ?10+1+3+
Re)+ IACS E11, 2+@+24
4$!$, On s#ste$s *it. lo*-resistance eart.e( netral ato$atic (isconnection o) circits .a'in% inslation)alts s.all "e arran%e(+ T.is eart. )alt &rotection s.all "e selecti'e a%ainst t.e )ee(in% net*or!+ For lo*resistance eart.e( netral s#ste$s t.e (isconnection s.all o&erate at less t.an 20 o) $ini$$ eart. )altcrrent+
Re)+ IACS E11, 2+@+24
G'i&ance note !>
Test la$&s or si$ilar *it.ot continos $onitorin% is acce&te( )or/
"atter# s#ste$s not e:ten(in% t.eir circits otsi(e a sin%le &anel
"atter# s#ste$ )or non-i$&ortant s#ste$s "elo* <0 V an(
"atter# s#ste$s ser'in% one )nction onl#+
For (irect-eart.e( s#ste$s i+e+ TN-S, TN-C-S an( TT4 t.e sin%le or t.ree &.ase e))ecti'e o'ercrrent an( s.ort circit &rotection is acce&ta"le as eart. )alt &rotection+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
G'i&ance note 2>
E6C )ilters or line to eart. ca&acitors installe( at (istri"tion "oar(s or cons$ers $a# $islea( inslation $onitorin%(e'ices an( initiate )alse alar$s+ Sita"le (e'ices s.ol( "e selecte( ta!in% t.is into accont+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
4$!$- O)er)oltage rotection
O'er'olta%e &rotection s.all "e arran%e( )or lo*er-'olta%e s#ste$s s&&lie( t.ro%. trans)or$ers )ro$ .i%.-'olta%e s#ste$s+
Re)+ IACS 8R E11, 2+@+=4
Inter&retation/
Direct eart.in% o) t.e lo*er 'olta%e s#ste$, or t.e se o) 'olta%e li$itation (e'ices, are consi(ere( asa(eate &rotection+ Alternati'el#, an eart.e( screen "et*een t.e &ri$ar# an( secon(ar# *in(in%s $a# "ese(+ See C.+2 Sec+3 ?@+@ re%ar(in% crrent an( 'olta%e trans)or$ers+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
4$!$/ Discri+ination
All circits in t.e electric (istri"tion s#ste$s s.all .a'e &rotection a%ainst acci(ental o'ercrrents an( s.ortcircits as (escri"e( in ?+2+ T.e &rotecti'e (e'ices s.all &ro'i(e co$&lete an( co-or(inate( &rotectiont.ro%. (iscri$inati'e action in or(er to ensre/
Continit# o) s&&l# to essential cons$ers an( e$er%enc# cons$ers+ Continit# o) ser'ices to i$&ortant cons$ers *.ere s&&l# to .ealt.# circits s.all "e ato$aticall# re-
esta"lis.e(+ Eli$ination o) t.e )alt to re(ce (a$a%e to t.e s#ste$ an( .aar( o) )ire+
G'i&ance note>
Continit# o) s&&l# is t.e con(ition )or *.ic. (rin% an( a)ter a )alt in a circit, t.e s&&l# to t.e .ealt.# circitsis &er$anentl# ensre(+
Continit# o) ser'ice is t.e con(ition )or *.ic. a)ter a )alt in a circit .as "een cleare(, t.e s&&l# to t.e .ealt.#circits is re-esta"lis.e(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 00
4$2 Circ'it rotection
4$2$! General
a4 Eac. se&arate circit s.all "e &rotecte( a%ainst s.ort circit *it. t.e &rotection in t.e )ee(in% en(+
"4 Eac. circit s.all "e &rotecte( a%ainst o'ercrrent+
c4 All cons$ers s.all "e se&aratel# &rotecte( e:ce&t as note( "elo*+
(4 oss o) control 'olta%e to &rotecti'e )nctions s.all eit.er tri& t.e corres&on(in% ei&$ent or %i'e analar$ on a $anne( control &osition, nless ot.er s&eci)ic reire$ents a&&l#+
e4 A )se, s*itc. or "rea!er s.all not "e inserte( in eart.in% connections or con(ctors+ Eart.e( netrals $a# "e(isconnecte( &ro'i(e( t.e circit is (isconnecte( at t.e sa$e ti$e "# $eans o) $lti&ole s*itc. or "rea!er+
)4 T.e circit "rea!er control s.all "e sc. t.at ;&$&in%> i+e+ ato$aticall# re&eate( "rea!in% an( $a!in%4cannot occr+
%4 Circits )or .eatin% ca"les, ta&es, &a(s, etc+ s.ol( "e s&&lie( t.ro%. a circit "rea!er *it. eart. )alt &rotection RCD4+ See Sec+10 ?3+10+
3ceptions
For s&ecial reire$ents )or &rotection o) steerin% %ear circits, see DNV-OS-D101+
For e$er%enc# %enerator see ?3+3+2+ Circit s&&l#in% $lti&le soc!et otlets, $lti&le li%.tin% )ittin%s or ot.er $lti&le non-i$&ortantcons$ers is acce&te( *.en rate( $a:i$$ 1= A in 230 V s#ste$s, or 30 A in 110 V s#ste$s+
Non-i$&ortant $otors rate( less t.an 1 !, an( ot.er non-i$&ortant cons$ers, rate( less t.an 1=A, (onot nee( se&arate &rotection+
Se&arate s.ort circit &rotection $a# "e o$itte( )or cons$ers ser'in% non-i$&ortant ser'ices+ Eac. $otor s.all .a'e se&arate o'ercrrent &rotection an( control%ear+
Co$$on s.ort circit &rotection )or $ore t.an one cons$er is acce&ta"le )or non-i$&ortant cons$ers,an( )or i$&ortant cons$ers constittin% a )nctional ser'ice %ro& i+e+ *.en t.e i$&ortant )nctioncannot "e ensre( "# a sin%le cons$er o) t.e %ro&4+
Co$$on o'erloa( or o'ercrrent &rotection )or $ore t.an one cons$er is acce&ta"le *.en t.e &rotections#ste$ a(eatel# (etects o'erloa(o'ercrrent or ot.er $al)nction ori%in at in(i'i(al cons$er+ Ca"lesconnecte( to in(i'i(al cons$er s.all "e sie( to settin%s a(ste( at t.e co$$on &rotection+
Se&arate s.ort circit &rotection $a# "e o$itte( at t.e "atter# or "s"ar en( o) s.ort circit &roo) installe( ca"les+
4$2$2 Caacit.
a4 T.e "rea!in% ca&acit# o) e'er# &rotecti'e (e'ice s.all "e not less t.an t.e $a:i$$ &ros&ecti'e s.ortcircit at t.e &oint *.ere t.e &rotecti'e (e'ice is installe(+
"4 T.e $a!in% ca&acit# o) e'er# circit "rea!er or s*itc. inten(e( to "e ca&a"le o) "ein% close(, i) necessar#,on s.ort circit, s.all not "e less t.an t.e $a:i$$ 'ale o) t.e &ros&ecti'e s.ort circit crrent at t.e &ointo) installation+
c4 For non-i$&ortant circits, circit "rea!ers *it. ins))icient "rea!in% ca&acit# can "e se(, &ro'i(e( t.att.e# are co-or(inate( "# &strea$ )ses, or "# a co$$on &strea$ circit "rea!er or )ses *it. s))icient
"rea!in% ca&acit# &rotectin% t.e circit "rea!er an( connecte( ei&$ent )ro$ (a$a%e+
Inter&retation/
14 Circit "rea!ers in 6ain S*itc."oar(s s.ol( "e selecte( accor(in% to t.eir rate( ser'ice s.ort circit "rea!in% ca&acit#+ ICS accor(in% to IEC =0G@-2 Clase @4+
24 I) t.e 6ain S*itc."oar( is (i'i(e( "# a s*itc. (isconnector IEC =0G@-34 or a circit "rea!er IEC=0G@-24 t.e )ee(er "rea!ers in t.e 6ain S*itc."oar( $a# "e selecte( accor(in% to t.eir rate( lti$ate
"rea!in% ca&acit#+ IC8 accor(in% to IEC =0G@-2 Clase @4+
34 ro'i(e( t.at t.e 6ain S*itc."oar( is (i'i(e( "# a "s tie circit "rea!er an( t.at total (iscri$inationtotal selecti'it#4 o) %enerator circit "rea!er an( "s tie "rea!er are o"taine(, all circit "rea!ers in t.e6ain S*itc."oar( $a# "e selecte( accor(in% to t.eir rate( lti$ate "rea!in% ca&acit#+ IC8 accor(in%to IEC =0G@-2 Clase @4+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
(4 enerator circit "rea!ers an( ot.er circit "rea!ers *it. intentional s.ort-ti$e (ela# )or s.ort circitrelease s.all .a'e a rate( s.ort-ti$e *it.stan( crrent ca&acit# not less t.at t.e &ros&ecti'e s.ort circitcrrent+ IC accor(in% to IEC =0G@-2 Clase @4
e4 E'er# &rotecti'e (e'ice or contactor not inten(e( )or s.ort circit interr&tion s.all "e coor(inate( *it. t.e&strea$ &rotection (e'ice+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 01
)4 .en a s*itc."oar( .as t*o inco$in% )ee(ers, necessar# interloc!s s.all "e &ro'i(e( a%ainstsi$ltaneosl# closin% o) "ot. )ee(ers *.en t.e &arallel connecte( s.ort circit &o*er e:cee(s t.es*itc."oar(sP s.ort circit stren%t.+ A s.ort ti$e &arallel )ee(in% as a ;$a!e "e)ore "rea!> arran%e$ent isacce&te( *.en arran%e( *it. ato$atic (isconnection o) one o) t.e &arallel )ee(ers *it.in 30 s+
4$2$" F'ses
a4 Fses a"o'e 320 A ratin% s.all not "e se( as o'erloa( &rotection, "t $a# "e se( )or s.ort circit &rotection i) ot.er*ise acce&ta"le accor(in% to t.ese rles+
"4 8se( )or s.ort circit &rotection, )ses can "e rate( .i%.er t.an t.e )ll-loa( crrent, "t not .i%.er t.ane:&ecte( $ini$$ s.ort circit crrent+
c4 In .i%. 'olta%e ei&$ent, )ses s.all not "e se( )or o'ercrrent &rotection o) &o*er )ee(er circits+ Fses$a# "e se( )or s.ort circit &rotection &ro'i(e( t.e# can "e isolate( an( re&lace( *it.ot an# (an%er o) toc.in% li'e &arts+
4$2$, Short circ'it rotection
T.e %eneral reire$ents )or circit &rotection in ?+2+1, ?+2+2 an( ?+2+3 a&&l# *it. t.e )ollo*in%e:ce&tions/
se&arate s.ort circit &rotection $a# "e o$itte( )or $otors ser'in% (i))erent )nctions o) t.e sa$e non-
i$&ortant ei&$ent )or e:a$&le t.e en%ine roo$ crane $a# incl(e .oistin%, sle*in% an( l))in% $otors+Eac. $otor s.ol( .a'e se&arate o'erloa( &rotection an( control%ear se&arate s.ort circit &rotection $a# "e o$itte( at t.e "atter# or "s"ar en( o) s.ort circit &roo) installe(
ca"les+ Ho*e'er, s.ort circit &roo) connections to "s"ars s.all not "e lon%er t.an 3 $ see Sec+@?2+1+= "4+
4$2$- O)erc'rrent rotection
a4 O'ercrrent &rotection s.all not "e rate( .i%.er or a(ste( .i%.er i) a(sta"le4 t.an t.e ca"lePs crrent-carr#in% ca&acit#, or t.e cons$ers no$inal crrent, *.ic.e'er is less+
"4 T.e %eneral reire$ents )or circit &rotection in ?+2+1, ?+2+2 an( ?+2+3 a&&l# *it. t.e )ollo*in%e:ce&tions/
o'ercrrent &rotection $a# "e o$itte( )or circits s&&l#in% cons$ers .a'in% o'ercrrent &rotection
in t.eir control%ear t.is also a&&lies to a circit s&&l#in% a (istri"tion s*itc."oar( *it. cons$ers .a'in% o'ercrrent &rotection in t.eir control%ear, &ro'i(e( t.at t.e s$ o) t.e rate( crrents o) t.e control%ears (oes note:cee( 100 o) t.e s&&l# ca"lePs ratin%+
4$2$/ Control circ'it rotection
T.e %eneral reire$ents )or circit &rotection in ?+2+1, ?+2+2 an( ?+2+3 a&&l# *it. t.e )ollo*in%e:ce&tions/
&rotection $a# "e o$itte( )or $onitorin% circits o) ato$atic 'olta%e re%lators secon(ar# si(e o) crrent trans)or$ers s.all not "e &rotecte( t.e secon(ar# si(e o) t.e sin%le &.ase s&&l# trans)or$ers )or control circits s.all "e &rotecte( nless
&ri$ar# si(e &rotection is &ro'e( s))icient+ See Sec+@ ?@+1+3 "4+ T.e &rotection $a# "e in one &ole&.ase4 onl#+ See also ?+1+1
se&arate &rotection $a# "e o$itte( )or control circits "ranc.e( o)) )ro$ a )ee(er circit *it. no$inalratin% li$ite( to 1= A
se&arate &rotection $a# "e o$itte( )or control circits "ranc.e( o)) )ro$ a )ee(er circit *it. no$inalratin% li$ite( to 2< A an( *.en t.e control circit consists o) a(eatel# sie( internal *irin% onl#+
)or 'olta%e trans)or$ers in .i%. 'olta%e s*itc.%ear, see ?+@+2 ite$ (4+
G'i&ance note>
A(eatel# sie( *irin% $eans t.at t.e *irin% *it.stan(s nor$al loa( an( s.ort circit *it.ot reac.in% e:tre$ete$&eratres+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
4$" Generator rotection
4$"$! Generator rotection
a4 enerators s.all "e )itte( *it. s.ort circit an( o'ercrrent &rotection+
"4 T.e o'ercrrent &rotection s.all nor$all# "e set so t.at t.e %enerator "rea!er tri&s at 110 to 12< o) no$inal crrent, *it. a ti$e (ela# o) 20 s to 120 s+ Ot.er settin%s $a# "e acce&te( a)ter con)ir$ation o)
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 02
(iscri$ination+
c4 T.e s.ort circit tri& s.all "e set at a lo*er 'ale t.an t.e %enerators stea(# state s.ort circit crrent
Inter&retation/
14 T.e ti$e (ela# )or s.ort circit tri& s.ol( "e as s.ort as &ossi"le, ta!in% (iscri$ination into accont+6a:i$$ 1 s
24 Ot.er )or$s )or %enerator o'erloa( &rotection, )or e:a$&le *in(in% o'er-te$&eratre co$"ine( *it. &o*er rela#s *att $etric rela#s4, $a# s"stitte o'ercrrent &rotection &ro'i(e( t.e %enerator ca"lesare s))icientl# &rotecte(+
34 .en a %enerator is se( )or (irect s&&l# to sin%le cons$ers, $ore t.an one %enerator "rea!er isacce&ta"le+ In sc. cases, t.e %enerator s.ol( "e (e-e:cite( an( all t.e %eneratorPs "rea!ers o&ene(,in case o) s.ort circit "et*een t.e %enerators ter$inals an( t.e %enerators "rea!ers+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
4$"$2 enerators .a'in% a ca&acit# o) 1<00 !VA or a"o'e, an( all .i%. 'olta%e %enerators, s.all "e ei&&e(*it. sita"le &rotection, *.ic. in t.e case o) s.ort circit in t.e %enerator or in t.e s&&l# ca"le "et*een t.e%enerator an( its circit "rea!er *ill (e-e:cite t.e %enerator an( o&en t.e circit "rea!er+ E$er%enc#%enerators are e:e$&te(+
Re)+ IEC=00G2-202+2+24
4$"$" Eac. %enerator arran%e( )or &arallel o&eration s.all "e &ro'i(e( *it. re'erse-&o*er &rotection *it. ati$e (ela# "et*een 3 s an( 10 s, tri&&in% t.e %enerator circit "rea!er at/
$a:i$$ 1< o) t.e rate( &o*er )or %enerators (ri'en "# &iston en%ines $a:i$$ = o) t.e rate( &o*er )or %enerators (ri'en "# tr"ines+
T.e release &o*er s.all not (e&art )ro$ t.e set &oint "# $ore t.an <0 at 'olta%e 'ariations (o*n to =0 o) t.e rate( 'olta%e, an( on AC installations at an# &o*er )actor 'ariation+
4$"$,
a4 enerator circit "rea!ers s.all "e tri&&e( at n(er'olta%e+ T.is n(er'olta%e &rotection s.all tri& t.e
"rea!er *.en t.e %enerator 'olta%e (ro&s *it.in t.e ran%e 0 to 3< o) its rate( 'olta%e+ "4 T.e n(er'olta%e &rotection s.all .a'e a ti$e (ela# allo*in% )or correct o&eration o) t.e s.ort circit
&rotection I+e+ lon%er ti$e (ela# t.an t.e s.ort circit &rotection+4
c4 T.e n(er'olta%e &rotection s.all allo* t.e "rea!er to "e close( *.en t.e 'olta%e an( )reenc# are <to 110 o) t.e no$inal 'ale+
4$"$- T.e arran%e$ent o) o'ercrrent- an( re'erse &o*er rela#s s.all "e sc. t.at it is &ossi"le to reconnectt.e circit "rea!er *it.in 30 s a)ter a release, &ro'i(e( t.e reason )or t.e acti'ation o) t.e rela# not is$al)nction o) t.e %enerator or its (ri'er+
G'i&ance note>
See Sec+< ?1+3+1 )or reire$ents )or te$&eratre (etectors in *in(in%s+
For e$er%enc# %enerators s&ecial reire$ents a&&l#+ See ?3+3+2+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
4$, Trans*or+er rotection
4$,$! Trans*or+er rotection
a4 Trans)or$ers s.all "e )itte( *it. circit &rotection as reire( "# ?+2+
"4 I) t.e &ri$ar# si(e o) trans)or$ers is &rotecte( )or s.ort circit onl#, o'ercrrent &rotection s.all "earran%e( on t.e secon(ar# si(e+
G'i&ance note>
.en c.oosin% t.e c.aracteristics o) &rotection (e'ices )or &o*er trans)or$er circits it $a# "e necessar# to ta!ecrrent sr%e into consi(eration+
For lii( )ille( trans)or$ers see Sec+= ?2+1+2+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
4$,$2 High )oltage control trans*or+ers
a4 In .i%. 'olta%e s#ste$s .a'in% .i%. resistance eart.e( netral, 'olta%e trans)or$ers in s*itc.%ear an(
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 03
control %ear $a# "e installe( *it.ot &ri$ar# si(e &rotection *.en installe( "et*een &.ase an( eart.+ T.et.er$al *it.stan( ca&acit# s.all "e a(eate to &ros&ecti'e )alt crrent an( t.e trans)or$ers s.all not "e
"ase( on a sin%le core i+e+ &.ase to &.ase s.ort circit is i$&ossi"le4+
"4 In t.ree &.ase s#ste$s *it. netral inslate(, 'olta%e trans)or$er &ri$ar# si(e &rotection *ill not "ereire( &ro'i(in% t.at trans)or$er is not )or$e( "ase( on sin%le co$$on core+
4$- Motor rotection
4$-$! Motor rotection
a4 T.e %eneral reire$ents )or circit &rotection in ?+2 a&&l#+
"4 O'ercrrent &rotection )or $otors $a# "e (isa"le( (rin% a startin% &erio(+
c4 O'ercrrent rela#s s.all nor$all# "e interloc!e(, so t.at t.e# $st "e $anall# reset a)ter a release+
(4 S.ort circit an( o'erloa( &rotection s.all "e &ro'i(e( in eac. inslate( &.ase &ole4 *it. t.e )ollo*in%e:e$&tions/
)or DC $otors, o'ercrrent rela# in one &ole can "e se(, "t t.is cannot t.en s"stitte o'ercrrentrelease at t.e s*itc."oar(
)or AC $otors s&&lie( "# t.ree-&.ase electric &o*er *it. inslate( netral, o'erloa( &rotection in an#t*o o) t.e t.ree &.ases is s))icient
o'ercrrent release $a# "e o$itte( )or essential or i$&ortant $otors, i) (esire(, *.en t.e $otors are &ro'i(e( *it. o'erloa( alar$ )or steerin% %ear $otors, see DNV-OS-D1014
o'ercrrent release in t.e control%ear $a# "e o$itte( *.en t.e circit is &ro'i(e( *it. a s*itc.-"oar(circit "rea!er *it. o'ercrrent &rotection
o'ercrrent &rotection $a# "e o$itte( )or $otors )itte( *it. te$&eratre (etectors an( "ein%(isconnecte( &on o'er te$&eratre, &ro'i(e( t.e )ee(in% ca"le is s))icientl# &rotecte(+
G'i&ance note>
See Sec+< ?1+3+1 )or reire$ents )or te$&eratre (etectors in *in(in%s+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
4$/ 5atter. rotection
4$/$! Circits connecte( to "atteries a"o'e 12 V or a"o'e 1 A. ca&acit# s.all .a'e s.ort circit an( o'ercrrent &rotection+ rotection $a# also "e reire( )or s$aller "atteries ca&a"le o) creatin% a )ire ris!+ S.ort circit &rotection s.all "e locate( as close as is &ractical to t.e "atteries, "t not insi(e "atter# roo$s, loc!ers, "o:esor close to 'entilation .oles+
Inter&retation/
14 T.e connection "et*een t.e "atter# an( t.e c.ar%er s.ol( also .a'e s.ort circit &rotection+
24 Connections "et*een cells an( )ro$ &oles to )irst s.ort circit &rotection s.ol( "e s.ort circit &roo),i+e+ one o) t.e $et.o(s (escri"e( in C.+1 Sec+1 ?@+<+1 $st "e se(+
34 T.e $ain circit )ro$ a "atter# to a starter $otor $a# "e carrie( ot *it.ot &rotection+ In sc. cases,t.e circit s.ol( "e installe( s.ort circit &roo), an( *it. a s*itc. )or isolatin% &r&oses+ A:iliar#circits, *.ic. are "ranc.e( o)) )ro$ t.e starter $otor circit, s.ol( "e &rotecte( as reire( a"o'e+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
4$4 Har+onic Filter rotection
4$4$! Har+onic *ilters
Eac. .ar$onic )ilter s.all "e &rotecte( a%ainst o'ercrrent an( s.ort circit+
Circit &rotection in )ilter circits s.all "e $onitore( an( &ro'i(e( *it. alar$ in a $anne( control station+
Inter&retation/
Har$onic )ilters connecte( as net*or! nits not as inte%rate( &arts o) a con'erter4 s.ol( .a'e isolatin%s*itc.%ear as reire( )or i$&ortant cons$ers in ?=+1+1+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 04
6 Control o* electric e7'i+ent
6$! Control circ'its
6$!$! General
All cons$ers ot.er t.an $otors s.all "e controlle( "#, at least, $lti-&ole s*itc.%ear, e:ce&t t.at sin%le &oles*itc.es can "e se( )or l$inaries or s&ace .eaters in (r# acco$$o(ation s&aces *.ere )loor co'erin%,
"l!.ea( an( ceilin% linin%s are o) inslatin% $aterial+Inter&retation/
I) one &ole or &.ase o) t.e control 'olta%e sorce is eart.e(, t.e control *irin% an( interloc!s i) an#4 s.all "e installe( on t.e non-eart.e( si(e o) an# rela# coils+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
6lti&ole (isconnection $eans t.at all acti'e &oles are (isconnecte( si$ltaneosl#+ Ho*e'er, an# N-con(ctor isnot re%ar(e( as an acti'e &ole, an( nee( not "e (isconnecte(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
6$!$2 (o3er s'l. to control circ'its
a4 o*er s&&l# to control circits )or steerin% %ear s.all "e "ranc.e( o)) )ro$ t.e $otor &o*er circit+
"4 All ot.er essential an( i$&ortant cons$ers control circits $a# "e arran%e( as in a4 or t.e# $a# "es&&lie( "# a control (istri"tion s#ste$ as lon% as/
Cons$ers ser'in% (&licate( essential or i$&ortant ser'ices are s&&lie( "# in(e&en(ent &o*er s&&lies in accor(ance *it. ?=+3+3+
S&&lies to cons$ers ser'in% non-(&licate( essential ser'ices an( *.ere t.e rles reire t*oin(e&en(ent &o*er s&&lies $ain an( "ac!-&4, are arran%e( in accor(ance *it. ?=+3+3+
T.e control circit to eac. cons$er .as se&arate s.ort circit &rotection+
Re)+ IEC =1G2-2 sec+ 12+1=+3+14
6$2 Control o* generator sets +ain an& e+ergenc. s3itchboar&s
6$2$! General
T.e )ollo*in% alar$s s.all "e arran%e( at a $anne( control station/
&o*er )ailre to t.e control s#ste$ .i%. an( lo* )reenc# on t.e $ain "s"ars .i%. an( lo* 'olta%e on t.e $ain "s"ars+
6$2$2 S.ste+ *or +an'al start an& sto o* generator ri+e +o)ers an& +an'al oeration o* generatorcirc'it brea9ers
All %enerator &ri$e $o'ers an( %enerator circit "rea!ers s.all .a'e $eans )or $anal o&eration+
6$2$" S.ste+ *or a'to+atic start an& sto o* generator ri+e +o)ers an& a'to+atic oeration o*
generator circ'it brea9ers
Ato$atic control o) start, sto& an( loa( s.arin% "et*een %enerators s.all "e a(eate to ensre &ro&er a'aila"ilit# an( )nctionalit#+
Inter&retation/
T.is s.ol( incl(e at least t.e )ollo*in%/
a4 T.e )ollo*in% alar$s s.ol( "e arran%e( at a $anne( control station/
14 startin% )ailre o) &ri$e $o'er
24 e:cessi'e &ercenta%e (i))erence in loa(s !VA or alternati'el# "ot. ! an( !VAr4 ta!en "# t.e%enerators, *it. t.e necessar# ti$e (ela#, *.en in s#$$etrical loa( s.arin% $o(e+
"4 Ato$atic startin% atte$&ts *.ic. )ail s.ol( "e li$ite( to restrict cons$&tion o) startin% ener%#+
c4 T.e %enerator circit "rea!er s.ol( "e &ro'i(e( *it. ato$atic *in( & o) t.e closin% s&rin% o) t.e "rea!er+
(4 Si$ltaneos connection o) %enerators on to t.e sa$e "s s.ol( not "e &ossi"le+
e4 Ato$atic connection o) a %enerator (rin% "lac!ot s.ol( onl# "e &ossi"le *.en a:iliar# contacts
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 05
on all %enerator circit "rea!ers s.o* (irectl# t.at all %enerators are (isconnecte( )ro$ t.e 6ainS*itc."oar( an( t.e "s is (ea(+
)4 .en a %enerator nit is stan("#, t.is s.ol( "e in(icate( on t.e control &anel+
%4 No $ore t.an one atte$&t o) ato$atic connection &er stan("# %enerator is &er$itte( to a (e-ener%ise(s*itc."oar(+
.4 S#ste$s *it. ato$atic start o) t.e stan("# nit at .ea'# loa( on rnnin% nits s.ol( "e arran%e( *it.a(eate (ela# to &re'ent )alse start atte$&ts, e+%+ case( "# s.ort loa( &ea!s+
i4 I) t.e %enerator "rea!er .as a ;test> &osition, t.is s.ol( "e reco%nise( "# t.e control s#ste$ as nota'aila"le+
4 Ato$atic connection o) %enerator s.ol( not ta!e e))ect "e)ore t.e 'olta%e o) t.e %enerator is sta"lean( at nor$al le'el+
!4 It s.ol( "e &ossi"le to select a $ini$$ n$"er o) rnnin% %enerator sets or to (eselect )nctions )or ato$atic sto& o) %enerator sets at lo* loa(+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
For reire$ents to s#ste$ )nctionalit#, see ?2+2+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
6$2$, Generator circ'it brea9er control
Control circits s.all "e (esi%ne( in sc. a $anner t.at, as )ar as &ractica"le, )alts in t.ese circits (o noti$&air t.e sa)et# o) t.e s#ste$+ In &articlar, control circits s.all "e (esi%ne(, arran%e( an( &rotecte( to li$it(an%ers resltin% )ro$ a )alt "et*een t.e control circit an( ot.er con(cti'e &arts lia"le to case $al)nctione+%+ ina('ertent o&eration4 o) t.e controlle( a&&arats+
Re)+ IEC =1G2-2, sec +<+24
Inter&retation/
14 o*er s&&l# )or control circits to %enerator "rea!ers an( %enerator &rotection s.ol( %enerall# "e "ranc.e( o)) )ro$ t.e $ain circit i+e+ %enerator si(e )or t.e %enerator "rea!er4+ For e:ce&tion, see?+2+<+
24 T.e interloc!in% circit an( &rotection rela#s s.ol( "e arran%e( so t.at t.e %enerator circit "rea!er is not (e&en(ent o) e:ternal &o*er sorces e:ce&t )or e:ternal &o*er s&&lies $entione( in ?+2+<+
34 .ere t.e 6ain S*itc."oar( is arran%e( )or o&eration )ro$ an ato$ation s#ste$, t.e s*itc."oar(s.ol( in a((ition "e arran%e( )or local o&eration at t.e )ront o) t.e s*itc."oar( or at a (e(icate(control &osition *it.in t.e s*itc."oar( roo$+ T.is local o&eration s.ol( "e in(e&en(ent o) re$ote
&arts o) t.e ato$ation s#ste$+
E:ce&tion/
For &ro(ction s#ste$s, &o*er &lants not se( )or &ro&lsion an( steerin% e+%+ &rocess &lant, alternati'earran%e$ent $a# "e acce&te(+
@4 An# casalt# *it.in one co$&art$ent o) t.e 6ain or E$er%enc# S*itc."oar( s.ol( not ren(er $oret.an one %enerators circit "rea!ers, nor t.eir instr$entation an( si%nals, ino&erati'e+
<4 For e$er%enc# %enerators, a tri& o) a control circit &rotection s.ol( not lea( to ncontrolle( closin%o) t.e %enerator "rea!er a%ainst a li'e "s+
=4 A s.t (o*n or sto& si%nal to t.e &ri$e $o'er s.all case (isconnection si%nal to t.e %enerator circit "rea!er+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
Reire$ents )or ato$atic o&eration o) %enerator "rea!ers are %i'en in ?+2+2+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
6$2$- 5atter. s'lie& control o3er
a4 T.e &o*er s&&l# to t.e %enerator an(or s*itc."oar( control circits $a# "e )ro$ a "atter# installation+enerator circit "rea!ers an( ot.er (&licate( essential an( i$&ortant ei&$ent s.all "e s&&lie( )ro$in(e&en(ent &o*er s&&lies as (escri"e( in ?=+3+3+
"4 An in(e&en(ent control &o*er s&&l# s#ste$ s.all "e arran%e( )or eac. o) t.e s*itc."oar( sections an( "earran%e( *it. c.an%e o'er &ossi"ilities+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 1$
c4 Eac. %enerator c"icle s.all .a'e a se&arate circit )ro$ t.e control 'olta%e (istri"tion, *it. se&arates.ort circit &rotection+
(4 Eac. a:iliar# control &o*er s&&l# s#ste$ s.all .a'e s))icient store( ener%# )or at least t*o o&erationso) all t.e co$&onents connecte( to its section o) t.e s*itc."oar(+ For s*itc.in% o)) circit "rea!ers t.isa&&lies )or all circit "rea!ers si$ltaneosl#, an( *it.ot e:cessi'e 'olta%e (ro& in t.e a:iliar# circits,or e:cessi'e &ressre (ro& in &ne$atic s#ste$s+
G'i&ance note>.en &o*er s&&l# to control circits is )ro$ "atter# s&&orte( s#ste$s, one o) t.e "atteries $a# "e locate( otsi(et.e en%ine roo$+ In t.is case a c.an%eo'er $anall# o&erate( an( nor$all# !e&t o&en4 s.all "e arran%e( "et*een t.et*o "atter# s#ste$s+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
6$2$/ Generator instr'+entation
a4 At an# control &osition )or $anal o&eration o) a %enerator "rea!er, incl(in% o&erator stations, t.e)ollo*in% in)or$ation an( control si%nals s.all "e easil# an( si$ltaneosl# o"ser'e( "# t.e o&erator/
control an( in(ication o) "rea!er o&en an( "rea!er close %enerator &o*er !4 %enerator crrent+ T.ree se&arate si$ltaneos rea(in%s or alternati'el# one rea(in% *it. a c.an%eo'er
s*itc. )or connection to all &.ases+ I) c.an%eo'er s*itc. is se(, t.e crrent rea(in% s.all "e s&&lie( "# se&arate crrent trans)or$ers, not se( )or &rotection+ At an o&eratin% station one rea(in% iss))icient+
%enerator 'olta%e %enerator )reenc# "s"ar 'olta%e a(st$ent (e'ice )or s&ee( o) %enerator &ri$e $o'er+ Not reire( at o&erator stations i) loa( s.arin%
is controlle( "# t.e ato$ation s#ste$+4 a te$&eratre in(icator )or (irectl# rea(in% t.e te$&eratre o) t.e stator *in(in%s o) %enerators s.all
"e locate( in t.e control roo$ i) t.e o))s.ore nit .as electric &ro&lsion+
"4 It s.all "e &ossi"le to s#nc.ronise eac. %enerator inten(e( )or &arallel o&eration *it. t*o (i))erent (e'ices+Alternati'el# one in(e&en(ent s#nc.ronisin% (e'ice )or eac. %enerator *ill "e acce&te(+ Eac. %enerator s.all "e a"le to "e s#nc.ronise( to its "s"ar "# a s#nc.ronisin% (e'ice in(e&en(ent o) an# ot.er sectionso) t.e s*itc."oar(+
Re)+ IEC =1G2-3, sec+ +=+4
Inter&retation/
I) one s#nc.ronisin% (e'ice )ails, it s.all still "e &ossi"le to s#nc.ronise all %enerators, e:ce&t one t.e one*it. a )ailin% (e'ice4+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
S#nc.ronisation o) %enerators (ri'en "# &ro&lsion en%ines $a# "e ac.ie'e( "# a(stin% t.e "s"ar )reenc#, i+e+ "# a(stin% t.e s&ee()reenc# set &oints4 o) t.e rnnin% %enerators4+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
6$2$4 Sectioning o* b'sbars
a4 S*itc.%ear )or sectionin% o) "s"ars s.all .a'e s))icient $a!in% an( "rea!in% ca&acit# )or t.e ser'ice )or *.ic. it is inten(e(+ I) *ron% o&eration $a# case (a$a%e, t.en instrctions )or correct o&eration s.all "e%i'en "# si%n"oar( on t.e s*itc."oar(+ It s.all "e clearl# in(icate( *.et.er sc. s*itc.%ear is o&en or close(+
"4 8n(er'olta%e release o) sectionin% s*itc.%ear is acce&te( as lon% as t.e s*itc.%ear .as s))icient ca&acit#)or "rea!in% t.e &ros&ecti'e )alt crrent at t.e &oint o) installation+
6$" Control o* s3itchgear an& control gear
6$"$! (arallel inco+ing *ee&ers
a4 S*itc."oar(s t.at are arran%e( )or s&&l# "# t*o or $ore4 alternati'e circits s.all "e &ro'i(e( *it.interloc! or instrctions )or correct o&eration "# si%n"oar( on t.e s*itc."oar(+ ositi'e in(ication o) *.ic.o) t.e circits is )ee(in% t.e s*itc."oar( s.all "e &ro'i(e(+
"4 .en a secon(ar# (istri"tion s*itc."oar( .as t*o or $ore s&&lies, eac. s&&l# circit s.all "e &ro'i(e(
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 1%
*it. $lti&ole s*itc.%ear+
c4 S*itc."oar(s s&&lie( )ro$ &o*er trans)or$ers s.all "e arran%e( *it. interloc! or si%n"oar( as in a4nless t.e &o*er trans)or$ers are (esi%ne( )or &arallel o&eration+
(4 Interloc!in% arran%e$ents s.all "e sc. t.at a )alt in t.is interloc!in% s#ste$ cannot &t $ore t.an onecircit ot o) o&eration+
e4 In t.e case *.ere a secon(ar# (istri"tion s#ste$ is s&&lie( "# &arallel o&erate( &o*er trans)or$ers,
s&&lie( "# (i))erent non-s#nc.ronos s#ste$s, necessar# interloc!s s.all "e arran%e( to &recl(e &arallelo&eration o) t.e trans)or$ers *.en t.e &ri$ar# si(es are not connecte(+
)4 Trans)or$ers s.all not "e ener%ise( )ro$ t.e secon(ar# si(e, nless acce&te( "# t.e $an)actrer+ For .i%.'olta%e trans)or$ers, secon(ar# si(e s*itc.%ear s.all %enerall# "e interloc!e( *it. t.e s*itc.%ear on t.e
&ri$ar# si(e+ T.is to ensre t.at t.e trans)or$er *ill not "e ener%ise( )ro$ t.e secon(ar# si(e *.en t.e &ri$ar# s*itc.%ear is o&ene(+ I) "ac!)ee(in% t.ro%. trans)or$ers is arran%e(, s&ecial *arnin% si%ns s.all "e )itte( on t.e &ri$ar# si(e s*itc.%ear+ Di))erent %enerators s.all not )ee( t.e (i))erent si(es o) trans)or$ers si$ltaneosl# not loc!in% %enerators in s#nc.ronis$ 'ia a trans)or$er4+
G'i&ance note>
Te$&orar# "ac!-)ee(in% as &art o) a (ea( s.i& startin% &roce(re $a# "e acce&te(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
6$, Motor control
6$,$! Controlgear *or +otors
a4 Eac. $otor s.all nor$all# "e &ro'i(e( *it. at least t.e )ollo*in% control%ear, )nctionin% in(e&en(ent o) control%ear )or ot.er $otors/
eac. $otor rate( 1 ! or a"o'e/ a $lti&ole circit "rea!er, )se( circit "rea!er or contactor, *it.o'ercrrent release accor(in% to ?+<, i) necessar# co$"ine( *it. a controller )or li$itin% t.e startin%crrent
eac. $otor rate( 1 ! or a"o'e/ control circits *it. n(er'olta%e release so t.at t.e $otor (oes notre-start a)ter a "lac!ot sitation
eac. $otor rate( less t.an 1 !/ a $lti&ole s*itc.+
For e:e$&tions an( a((itions re%ar(in% steerin% %ear $otors, see DNV-OS-D101+
"4 8n(er'olta%e release s.all not in.i"it inten(e( ato$atic restart o) $otor &on restoration o) 'olta%e a)ter a "lac!ot+
c4 Co$$on startin% arran%e$ents )or a %ro& o) $otors e+%+ a %ro& o) circlatin% )ans )or re)ri%erate( car%o.ol(s4 are s"ect to consi(eration in eac. case+
(4 Control%ear )or $otors s.all "e (esi%ne( )or t.e )reenc# o) $a!in% an( "rea!in% o&erations necessar#)or t.e res&ecti'e $otor+
e4 S*itc.%ear )or )ee(er circits s.all not "e se( as $otor control%ear nless/
t.e s*itc.%ear is (esi%ne( )or t.e )reenc# o) $a!in% an( "rea!in% o&erations necessar# )or t.eres&ecti'e $otor
t.e reire$ents )or $otor control%ear ot.er*ise are co$&lie( *it. t.e s*itc.%ear s.all "e o) t.e *it.(ra*a"le t#&e i) lo* 'olta%e+
)4 For reire$ents to e$er%enc# sto&, see ?+<+
6$,$2 0ocal control *or +otors
A localre$ote selector s*itc. s.all "e i$&le$ente( at t.e $otor starter )or all essential an( i$&ortantcons$ers *.en re$ote control is arran%e( )ro$ an electronic&ro%ra$$a"le s#ste$ an( )or all essentialcons$ers *.en re$ote control is arran%e( )ro$ otsi(e o) t.e en%ine roo$+
G'i&ance note>
I) &$&-si(e control is ena"le( *.en starter is in RE6OTE $o(e, control trans)er $ec.anis$ "et*een t.is &$&-si(e control an( re$ote control &ositions e+%+ IAS4 s.ol( "e arran%e( in accor(ance *it. t+@ C.+G Sec+3 A300+E:ce&tions to t.is $a# "e acce&te( &ro'i(e( t.at t.e re$ote control s#ste$ (oes not ato$aticall# e:ecte co$$an(sin con)lict *it. t.e &$&-si(e control+ An alar$ s.ol( "e release( in t.e re$ote control s#ste$IAS i) t.e &$& is
starte( or sto&&e( )ro$ &$&-si(e *.ile "ein% in re$ote $o(e+
I) &$&-si(e control is ena"le( *.en starter is in OCA $o(e an( (isa"le( *.en starter is in re$ote $o(e, t.ere*ill not "e co$$an( con)licts *it. re$ote control s#ste$s+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 1#
6$,$" %nterloc9 *or +otor starting
a4 I) t.e startin% o) a $otor reires t.at t*o or $ore %enerators are rn in &arallel, an interloc! s.all "e &ro'i(e(, ensrin% t.at t.is circit can onl# "e s*itc.e( on *.en a s))icient n$"er o) %enerators areconnecte(+
"4 T.e interloc! $a#, .o*e'er, "e o$itte( *.en si%n"oar(s %i'in% necessar# instrctions are )itte( at t.estarters+
6$,$, %nstr'+ents *or electric ro'lsion +otors
a4 A te$&eratre in(icator )or (irectl# rea(in% t.e te$&eratre o) t.e stator *in(in%s o) electric &ro&lsion$otors s.all "e locate( in t.e control roo$+
"4 T.e )ollo*in% 'ales s.all "e (is&la#e( in t.e control roo$ or on t.e a&&lica"le con'erter/
stator crrent in eac. $otor )iel( crrent in eac. $otor i) a&&lica"le4+
6$- E+ergenc. sto
6$-$! Arrange+ent o* e+ergenc. sto circ'its
.en e$er%enc# sto& o) a cons$er is reire( "# t.e rles, it s.all "e $a(e in accor(ance *it. rele'ant
(esi%n an( re(n(anc# reire$ents+
Inter&retation/
14 T.e arran%e$ent o) t.e e$er%enc# sto& s#ste$ s.ol( "e sc. t.at no sin%le )ailre *ill case loss o) (&licate( essential or i$&ortant ei&$ent+
24 T.e control circits )or e$er%enc# sto& o) (&licate( ei&$ent s.ol( "e arran%e( as t*o se&aratecircits *it. se&arate ca"les+ A co$$on sto& "tton *it. se'eral contacts se&arate )or eac. cons$er4*ill "e acce&te(+
34 T.e e$er%enc# sto& si%nal s.ol( act in(e&en(entl# o) an# so)t*are "ase( control s#ste$ )or t.e sa$econs$er+
@4 A co$&ter "ase( e$er%enc# sto& s#ste$s s.ol( "e in(e&en(ent )ro$ ot.er co$&ter "ase( s#ste$s*it. control )nctions )or t.e sa$e cons$ers+ It s.ol( .a'e )acilities to (etect )ailres t.at *ill set
t.e s#ste$ ino&era"le, an( %i'e alar$ to t.e $ain alar$ s#ste$+ See DNV-OS-D202+<4 Alar$ )or loss o) &o*er s.ol( "e &ro'i(e( )or nor$all# o&en e$er%enc# sto& circits+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
E$er%enc# sto& s#ste$s $a# "e "ase( on "ot. nor$all# o&en NO4 an( nor$all# close( NC4 circits, (e&en(in% ont.e arran%e$ent an( t.e )nction o) t.e s#ste$ to "e sto&&e(+ S#ste$s, *.ic. can "e sto&&e( *it.ot an# .aar(,s.ol( "e "ase( on NC circits, e$er%enc# sto& o) s#ste$s .a'in% e))ect on &ro&lsion $otors an( t.rster s.ol(
"e "ase( on NO circits+
Circit "rea!ers an( $otor starters s.ol( "e &re&are( )or NENDE tri& as reire( in DNV-OS-A101 Sec+@ an( t.eESD &.iloso&.# )or t.e o))s.ore nit+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
6$-$2 E+ergenc. sto o* oil '+s an& *ans
a4 E$er%enc# sto&s o) at least t.e )ollo*in% &$&s an( )ans s.all "e arran%e( )ro$ an easil# accessi"le &osition otsi(e t.e s&ace "ein% ser'e(+ T.ese &ositions s.ol( not "e rea(il# ct o)) in t.e e'ent o) a )irein t.e s&aces ser'e(/
)el oil trans)er &$&s )el oil )ee( an( "ooster &$&s noles coolin% &$&s *.en )el oil is se( as coolant )el an( l"rication oil &ri)iers &$&s )or oil-"rnin% installations )ans )or )orce( (ra%.t to "oilers all 'entilation )ans
all electrical (ri'en l"rication oil &$&s t.er$al oil circlatin% &$&s .#(ralic oil &$&s in $ac.iner# s&ace+
"4 T.e $eans &ro'i(e( )or sto&&in% t.e &o*er 'entilation o) t.e $ac.iner# s&aces s.all "e entirel# se&arate
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 1&
)ro$ t.e $eans &ro'i(e( )or sto&&in% 'entilation o) ot.er s&aces+
Re)+ 6OD8 co(e G+1<4
G'i&ance note !>
E$er%enc# sto& *ill not "e reire( )or t.e )ollo*in%/
)ans not ca&a"le o) s&&l#in% otsi(e air to t.e s&ace sc. as )ans in HVAC te$&eratre control nits, )ans )or .eatin% coils, 'entilation )ans )or ca"inets an( s*itc."oar(s, etc+
&$&s )or s#ste$s containin% less t.an <00l o) )la$$a"le oil+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
G'i&ance note 2>
As lon% as t.e )nctional reire$ents in t.is &ara%ra&. are $et, t.e e$er%enc# sto& o) &$&s an( )ans $a# "eincl(e( in t.e o))s.ore nits ESD s#ste$ reire( "# DNV-OS-A101 Sec+@+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
8 O**shore 'nit arrange+ent
8$! General
8$!$! 1entilationa4 Roo$s *.ere electrical ei&$ent is locate( s.all "e s))icientl# 'entilate( in or(er to !ee& t.e
en'iron$ental con(itions *it.in t.e li$its %i'en in Sec+3 ?2+3+
"4 T.e .eat %enerate( "# t.e electrical ei&$ent itsel), "# ot.er $ac.iner# an( ei&$ent, an( t.e .eatcase( "# sn ra(iation on "l!.ea(s an( (ec!s s.ol( not lea( to o&eratin% a$"ient te$&eratres ine:cess o) t.e li$its liste( in Ta"le 3-1+
c4 T.e air s&&l# )or internal coolin% o) electrical ei&$ent i+e+ ;'entilate( ei&$ent>4 s.all "e as cleanan( (r# as &ractica"le+ Coolin% air s.all not "e (ra*n )ro$ "elo* t.e )loor &lates in en%ine an( "oiler roo$s+
(4 I) $ec.anical coolin% is reire( "# a &iece o) electrical ei&$ent, t.e sa$e re(n(anc# reire$enta&&lies to t.e coolin% s#ste$ as to t.e ei&$ent an( its &o*er s&&l#+Re)+ IACS 8R E1G4
e4 .ere t.e actal a$"ient air te$&eratres *ill clearl# e:cee( t.e li$its liste( in Ta"le 3-1, t.en t.eei&$ent s.all "e (esi%ne( )or t.e actal o&eratin% a$"ient te$&eratres concerne(+
8$!$2 Arrange+ent o* o3er generation an& &istrib'tion s.ste+s
a4 T.e arran%e$ent o) t.e $ain electric li%.tin% s#ste$ s.all "e sc. t.at )ire, )loo( or ot.er casalt#, ins&aces containin% t.e $ain sorce o) electrical &o*er, associate( trans)or$in% ei&$ent, i) an#, t.e 6ainS*itc."oar( an( t.e $ain li%.tin% s*itc."oar(, *ill not ren(er t.e e$er%enc# electric li%.tin% s#ste$ino&erati'e+Re)+ 6OD8 co(e <+3+<4
"4 T.e arran%e$ent o) t.e e$er%enc# electric li%.tin% s#ste$ s.all "e sc. t.at )ire, )loo( or ot.er casalt#,in s&aces containin% t.e e$er%enc# sorce o) electrical &o*er, associate( trans)or$in% ei&$ent, i) an#,t.e E$er%enc# S*itc."oar( an( t.e e$er%enc# li%.tin% s*itc."oar(, *ill not ren(er t.e $ain electric
li%.tin% s#ste$ ino&erati'e+Re)+ 6OD8 co(e <+3+=4
c4 T.e inte%rit# o) t.e $ain electrical s&&l# s.all "e a))ecte( onl# "# )ire, )loo( or ot.er (a$a%e con(itions,in one s&ace+ T.e 6ain S*itc."oar( s.all "e locate( as close as is &ractica"le to t.e $ain %eneratin%station+Re)+ 6OD8 co(e +G+24
(4 T.e $ain %eneratin% station s.all "e sitate( *it.in t.e en%ine roo$, i+e+ *it.in t.e e:tre$e $aintrans'erse *aterti%.t "l!.ea(s )or$in% t.e en%ine roo$+ .ere essential ser'ices )or steerin% an(
&ro&lsion are s&&lie( )ro$ trans)or$ers, con'erters an( si$ilar a&&liances constittin% an essential &arto) electrical s&&l# s#ste$ t.e# s.all also satis)# t.e )ore%oin%+
Re)+ IACS 8I SC1<34
e4 T.e inte%rit# o) t.e e$er%enc# electrical s&&l# an( t.e transitional sorce o) &o*er s.all not "e a))ecte( "# )ire, )loo( or ot.er casalt# in t.e $ain electrical s&&l#, or in an# $ac.iner# s&ace o) cate%or# A+ T.eE$er%enc# S*itc."oar( s.all "e locate( in t.e sa$e s&ace as t.e e$er%enc# %eneratin% station+
Re)+ 6OD8 <+@+3 an( <+@+114
)4 Nor$all#, t.e s&ace containin% t.e e$er%enc# sorce o) &o*er an( associate( electrical (istri"tion s.allnot "e conti%os to t.e "on(aries o) $ac.iner# s&ace o) cate%or# A or t.ose s&aces containin% t.e $ain
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 10
sorce o) electrical &o*er an( associate( electrical (istri"tion+
Re)+ 6OD8 co(e <+@+34
G'i&ance note>
An# "l!.ea( "et*een t.e e:tre$e $ain trans'erse *aterti%.t "l!.ea(s is not re%ar(e( as se&aratin% t.e ei&$entin t.e $ain %eneratin% station &ro'i(e( t.at t.ere is access "et*een t.e s&aces+
T.e reire$ents in a4 (o not &recl(e t.e installation o) s&&l# s#ste$s in se&arate $ac.iner# s&aces, *it. )llre(n(anc# in tec.nical (esi%n an( &.#sical arran%e$ent+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
8$2 S3itchboar& arrange+ent
8$2$! %nstallation o* s3itchboar&s
a4 S*itc."oar(s s.all "e &lace( in easil# accessi"le an( *ell-'entilate( locations, *ell clear o) s"stantial.eat sorces sc. as "oilers, .eate( oil tan!s, an( stea$ e:.ast or ot.er .eate( &i&es+ Ventilation an( air con(itionin% s#ste$s s.all "e so arran%e( t.at &ossi"le *ater or con(ensation can not reac. an#s*itc."oar( &arts+
"4 i&es s.all not "e installe( so t.at s*itc.%ear $a# "e en(an%ere( in t.e e'ent o) lea!s+ I) installation o) &i&es close to t.e s*itc.%ear is na'oi(a"le, t.e &i&es s.ol( not .a'e an# )lan%e( or scre*e( connectionsin t.is area+
c4 S*itc."oar(s s.all not "e locate( i$$e(iatel# a"o'e s&aces *.ere .i%. .$i(it# or .i%. concentrationso) oil 'a&ors can occr e+%+ "il%e s&aces4, nless t.e s*itc."oar( .as a ti%.t "otto$ &late *it. ti%.t ca"le
&enetrations+
(4 T.e arran%e$ent an( installation o) s*itc."oar(s s.all "e sc. t.at o&eration an( $aintenance can "ecarrie( ot in a sa)e an( e))icient *a#+ .en s*itc.%ear is locate( close to "l!.ea(s or ot.er o"strctions,it s.all "e &ossi"le to &er)or$ all $aintenance )ro$ t.e )ront+
e4 For *ater-coole( electrical ei&$ent sea*ater &i&es s.all "e rote( a*a# )ro$ t.e ei&$ent, so t.at an#lea!a%e in )lan%es (o not (a$a%e t.e ei&$ent+
8$2$2 Arrange+ent *or high )oltage s3itchboar& roo+s
T.e s&ace *.ere .i%. 'olta%e s*itc."oar(s are installe( s.all "e so arran%e( t.at .ot %ases esca&in% )ro$ t.es*itc."oar( in case o) an internal arc are le( a*a# )ro$ an o&erator in )ront o) t.e s*itc."oar(+
8$2$" (assage 3a.s *or +ain an& e+ergenc. s3itchboar&s
a4 assa%es in )ront o) 6ain S*itc."oar(s s.all .a'e a .ei%.t o) $ini$$ 2 $+ T.e sa$e a&&lies to &assa%es "e.in( s*itc."oar(s .a'in% &arts t.at reire o&eration )ro$ t.e rear+
"4 T.e *i(t. o) t.e )ront &assa%e s.all "e as %i'en in Ta"le 2-2+
c4 .ere s*itc.%ear nee(s &assa%e "e.in( )or installation an( $aintenance *or! t.e )ree &assa%e "e.in( t.es*itc.%ear s.all "e as %i'en in Ta"le 2-2+
(4 T.e )ree &assa%e*a# in )ront o), or "e.in( t.e s*itc."oar(, s.all %i'e no"strcte( access to a (oor )or eas# esca&e in case o) an e$er%enc# sitation occrrin% in t.e s*itc.%ear roo$+
Re)+ 6OD8 co(e 1+3+33 an( G+@+34
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 11
8$2$, Distrib'tion s3itchboar&s
a4 Distri"tion s*itc."oar(s s.all "e &lace( in accessi"le s&aces *it. enclosres as s&eci)ie( in Sec+10+
"4 Alternati'el# s*itc."oar(s $a# "e &lace( in c&"oar(s $a(e o) or line( *it. $aterial t.at is at least )la$e-retar(ant, an( *it. (oor, ca"le entrances an( ot.er o&enin%s e+%+ )or 'entilation4 arran%e( so t.at t.ec&"oar( in itsel) co$&lies *it. t.e &rotection reire( in Sec+10+
c4 T.e )ront o) t.e s*itc."oar(, insi(e sc. a c&"oar(, s.all co$&l# *it. enclosre t#&e I 20 *it.e:e$&tion )or )ses as s&eci)ie( in Sec+@ ?1+1+3+
8$" Rotating +achines
8$"$! General
a4 On s.i&-s.a&e( o))s.ore nits, %eneratin% sets *it. .oriontal s.a)t s.all %enerall# "e installe( *it. t.es.a)t in t.e )ore-an(-a)t (irection+
"4 .ere a lar%e $ac.ine is installe( on col$n-sta"ilise( nits, sel)-ele'atin% nits or at.*arts.i&s on s.i&s.a&e( nits, it s.ol( "e ensre( t.at t.e (esi%n o) t.e "earin%s an( t.e arran%e$ents )or l"rication aresatis)actor# to *it.stan( t.e rollin% s&eci)ie( in DNV-OS-D101 C.+2 Sec+1, 2+ In sc. cases, t.e$an)actrer s.ol( "e in)or$e( *.en t.e $ac.ine is or(ere(+
c4 Nor$all# &i&es s.all not "e installe( a"o'e %enerators+ I) t.is is na'oi(a"le, a((itional screenin% o) )lan%es s.all "e reire( in or(er to &rotect t.e %enerator a%ainst s&las., s&ra# or lea!a%e+ Sc. screenin%s.all "e &ro'i(e( *it. (rains, i) necessar#+
8$, 5atter. installations
8$,$! Alication
T.ese reire$ents are a&&lica"le to all t#&es o) rec.ar%ea"le NiC( an( ea( Aci( "atteries+ Ot.er rec.ar%ea"le "atter# tec.nolo%ies are co'ere( "# DNV Rles )or Classi)ication o) S.i&s t+= C.+2+
G'i&ance note>
Installation o) "atter# t#&es *.ic. $a# not &ro(ce e:&losi'e %asses "t *.ic. $a# reire ot.er sa)et# &recations*ill "e e'alate( on a case-"#-case "asis+ Installation an( 'entilation reco$$en(ations )ro$ t.e $an)actrer s.ol(al*a#s "e )ollo*e(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
8$,$2 1entilation o* batter. installations
Reire$ents )or installation o) electrical ei&$ent in "atter# roo$s, loc!ers or "o:es are %i'en in Sec+11
?3+2+<+8$,$" Arrange+ent
Reire$ents )or t.e location an( 'entilation o) 'ente( "atteries are %i'en in Ta"le 2-3 an( o) 'al'e re%late((r# "atteries are %i'en in Ta"le 2-@+
Acc$lator "atteries s.all "e sita"l# .ose(, an( co$&art$ents s.all "e &ro&erl# constrcte( an( e))icientl#'entilate(+
t.e "atteries s.all "e so locate( t.at t.eir a$"ient te$&eratre re$ains *it.in t.e $an)actrerss&eci)ication at all ti$es
"atter# cells s.all "e &lace( so t.at t.e# are accessi"le )or $aintenance an( re&lace$ent in "atter# "o:es, t.e cells s.all "e &lace( at one .ei%.t onl# t.e s&ace a"o'e cells s.all "e s))icient )or $aintenance an( coolin%
nor$all#, "atteries s.all not "e locate( in slee&in% arters+Inter&retation/
Nor$all# "atteries s.ol( not "e locate( in a "atter# "o: at o&en (ec! e:&ose( to sn an( )rost+ Batteries$a# e:ce&tionall# "e acce&te( locate( at o&en (ec! on t.e )ollo*in% con(itions/
Table 2:2 (assage 3a.s *or +ain an& e+ergenc. s3itchboar&s
;idth of front passage ;idth of passage behind
System voltage 0nobstructed ;ith doors open or switchgear drawn out
#inimum free passage #inimum free passageat frames
Belo* <00 V 0+ $ 0+@ $ 0+= $ 0+< $
<00 V≤
an(≤
1 000 V 0+ $ 0+@ $ 0+ $ 0+= $A"o'e 1000 V 1+0 $ 0+< $ 1+0 $ 0+= $
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 12
t.e "o: s.ol( "e *.ite in color, an( "e &ro'i(e( *it. 'entilation an( .eatin%
t.e c.ar%er $st "e &ro'i(e( *it. te$&eratre co$&ensation ca&a"ilit#+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
8$,$, In a((ition to ?G+@+3, t.e settin% an( installation o) t.e 6DSS "atteries s.all "e installe( in t.e &&er
&art o) t.e s.i&, in an ele'ate( &osition an( as close to t.e ra(io ei&$ent as &ossi"leRe)+ SOAS IV, art C, Re%+ 13++1 an( CO6SAR Circ+ 32, Re%+ +<+=4
Inter&retation/
T.e "atter# "o: s.ol( "e sitate( a"o'e t.e $ain $ster stations+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
Reire( ca&acit# )or 6DSS "atter# to "e calclate( accor(in% to t.e )or$la )or 1 .or an( = .ors o) o&erationres&ecti'el#, (e&en(in% on &ro'ision o) a&&ro'e( an e$er%enc# %enerator4/
.ere/
T X &o*er cons$&tion o) 6DSS trans$itter 1 to 6
R X &o*er cons$&tion o) 6DSS recei'er 1 to 6
X &o*er cons$&tion o) e$er%enc# li%.tin%
6 X n$"er o) 6DSS transcei'ers+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
8$,$- 1entilationVentilation s.all "e arran%e( )or all "atter# roo$s, loc!ers an( "o:es to a'oi( acc$lation o) )la$$a"le %as+T.e air inta!e s.all "e in t.e lo*er &art an( can "e ta!en )ro$ an a(acent roo$ "ein% rea(il# accessi"le )ro$t.e "atter# installation e+%+ 'entilation )ro$ t.e en%ine roo$, )or "atteries *it. access )ro$ t.is roo$4+ T.eair otlet s.all "e arran%e( in t.e &&er &art so t.at %as &oc!ets cannot acc$late+
Table 2:" 0ocation an& )entilation o* )ente& t.e li7'i& electrol.teB
Total capacity of batteries 8cceptable location 8cceptable ventilation
Y 20 !VA. De(icate( "atter# roo$ 6ec.anical e:tract 'entilation to o&en air+I) t.e 'entilation )ails, an alar$ s.all "e%i'en
Y< !VA. an( ≤ 20 !VA. Batter# "o: *it. 'entilation to o&enair
Natral 'entilation, or $ec.anical e:tract'entilation *it. alar$ *.en t.e 'entilation)ails+
≤ < !VA. Batter# "o: *it. 'entilation .oles at&&er &art o) "o:
Ventilate( to t.e roo$ as (escri"e( in @0@+
Table 2:, 0ocation an& )entilation o* )al)e reg'late&&r. t.es
Total capacity of batteries 8cceptable location 8cceptable ventilation
Y 100 !VA. De(icate( "atter# roo$ 6ec.anical e:tract 'entilation to o&en air+I) t.e 'entilation )ails, an alar$ s.all "e
%i'enY< !VA. an( ≤ 100 !VA. Batter# "o: or o&en "atter# stan(
&ro'i(in% $ec.anical &rotection an(.$an sa)et# a%ainst toc.in% o)li'e &arts I 104+
Natral 'entilation to roo$ as (escri"e( in@0@+ Dr# an( *ell 'entilate( roo$+
≤ < !VA. Batter# "o: or se&arate &art o) anelectrical asse$"l#
Ventilation .oles at &&er &art o) "o:+ Alsoat lo*er &art *.ere )on( a&&ro&riate+
≤ < !VA. an( Y 0+2 !VA. Insi(e an electrical asse$"l#enclosre
6ec.anical 'entilation
≤ 0+2 !VA. Insi(e an electrical asse$"l#enclosre
Natral 'entilate(
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h.# !ec.# !ystem Design age 13
Inter&retation/
14 Ventilation o&enin%s )ro$ roo$s *.ere "atteries are installe( s.ol( "e o) a non-closa"le t#&e sita"le)or all *eat.er con(itions+
24 Ventilation rate, $3.or4, )or "atter# roo$s an( loc!ers *it. $ec.anical e:tract 'entilation to o&enair s.ol( co$&l# *it. t.e )ollo*in%/
)or 'ente( "atteries, 10 × s$ o) "atter# !VA. )or (r# "atteries, 2 × s$ o) "atter# !VA.
34 Roo$s into *.ic. "atter# loc!ers or "o:es are 'entilate( s.ol( .a'e an e:tract 'entilation (ct atceilin% le'el+ T.e area o) t.e roo$ $24 s.ol( "e at least 0+3 ti$es "atter# !VA.+ Ventilation rate o) t.e roo$ s.ol( "e at least = air c.an%es &er .or
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
For 'ente( "atteries, a t*o ste& 'entilation s#ste$ a&&l#in% re(ce( 'entilation rate at tric!le c.ar%in% $a# "e a&&lie(i) t.e actal c.ar%in% crrent is $onitore(+ T.e $onitorin% circit s.all ato$aticall# s*itc. to .i%. 'entilation rate*.en t.e 'ale o) t.e c.ar%in% crrent in a$&eres, rises a"o'e 2 o) t.e "atter# a$&ere .ors 'ale+ S*itc.in% tolo* 'entilation rate s.all "e "# $anal o&eration+ T.e lo* 'entilation rate, $3.or4 s.all "e at least 0+002 × s$ o)
"atter# VA.+In case o) natral 'entilation "# o&enin%s to t.e roo$ or "# e:tract (ct to )ree air, t.e )ollo*in% is %i'en )or crosssection c$24 o) o&enin%s an( (ct+ E:ce&t )or "o:es, t.e inlet s.all "e o) sa$e sie as t.e otlet+
)or (r# "atteries, 20 × "atter# !VA.
)or 'ente( "atteries, <0 × "atter# !VA.
)or (r# "atteries locate( in electrical &anels, <00 × "atter# !VA.+
O&enin%s locate( lo*er t.an @+< $ a"o'e t.e )ree"oar( (ec! are s"ect to a&&ro'al+ See Rles )or Classi)ication o) S.i&s t+3 C.+3 Sec+= H303+ For s$all o))s.ore nits ot.er sita"le arran%e$ent $a# "e acce&te(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
8$,$/ Natral 'entilation to o&en air s.all "e t.ro%. an no"strcte( (ct not incline( $ore t.an @< (e%rees)ro$ t.e 'ertical+ T.e natral esca&e o) air s.all not "e re(ce( "# t.e roo$ 'entilation s#ste$L i+e+ t.e roo$
s.all not .a'e ne%ati'e air &ressre+
Re)+ IEC =1G2-, sec+ +=+1+24
8$,$4 Charging station *or batter. o3ere& *or9 li*t
S&eci)ic consi(eration s.all "e %i'en to acc$lation o) )la$$a"le %as an( i%nition sorces in t.e arran%e$ento) c.ar%in% stations )or "atter# &o*ere( )or! li)ts+
Inter&retation/
14 A c.ar%in% station is (e)ine( as a se&arate roo$, onl# se( )or t.is &r&ose, or a &art o) a lar%e roo$,)or e:a$&le a car%o .ol(, "ase( on t.e area occ&ie( "# t.e )or! li)t &ls 1 $ on all si(es+
24 Soc!et otlets )or t.e c.ar%in% ca"les, $ec.anicall# or electricall# interloc!e( *it. s*itc.%ear, can "e &lace( in t.e c.ar%in% station+ Sc. soc!et otlets s.ol( .a'e at least enclosre I @@ or I <=,
(e&en(in% &on t.e location see Ta"le 10-14+ In %eneral no ot.er electrical ei&$ent, e:ce&te:&losion &rotecte( ei&$ent accor(in% to Sec+114 as s&eci)ie( )or "atter# roo$s $a# "e installe(+
34 C.ar%in% stations s.ol( %enerall# "e $ec.anicall# 'entilate( *it. at least 30 c.an%es o) air &er .or+An arran%e$ent as s&eci)ie( )or "atter# roo$s *it. "atter# ca&acit# in accor(ance *it. t.e actal
"atter# ca&acit#, "t not less t.an 20 !VA. s.ol( "e se(, see ?G+@+<+ For c.ar%in% stations in car%o.ol(s .a'in% $ec.anical o'er&ressre 'entilation, an alternati'e arran%e$ent s.ol( &ro'i(e a natral'entilation otlet (ct o) s))icient ca&acit# )ro$ t.e &&er &art o) t.e c.ar%in% station to )ree air+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
8$- Cable ro'ting
8$-$! General
a4 Ca"le rns s.all "e installe( *ell clear o) s"stantial .eat sorces sc. as "oilers, .eate( oil tan!s, stea$,e:.ast or ot.er .eate( &i&es, nless it is ensre( t.at t.e inslation t#&e an( crrent ratin% is a(a&te( tot.e actal te$&eratres at sc. s&aces+
"4 For installations in connection *it. .aar(os areas, reire$ents )or selection o) ca"les, ca"le rotin% an(
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 14
)i:in%, see Sec+11+
c4 Ot.er reire$ents )or ca"le rotin% an( installation are locate( in Sec+10+
8$-$2 Searation o* cables *or e+ergenc. ser)ices? essential an& i+ortant e7'i+ent
a4 .ere it is reire( to (i'i(e a o))s.ore nit into )ire ones ca"le rns s.all "e arran%e( so t.at )ire in an#)ire one *ill not inter)ere *it. essential ser'ices in an# ot.er sc. one+
"4 T.e ca"les )or (&licate( steerin% %ear $otors s.all "e se&arate( t.ro%.ot t.eir len%t. as *i(el# as is &ractica"le+ T.is also a&&lies to control circits )or t.e steerin% %ears $otor starters, an( to ca"les )or re$ote control o) t.e r((er )ro$ t.e "ri(%e+
c4 Ca"les an( *irin% ser'in% essential, i$&ortant or e$er%enc# ei&$ent s.all "e rote( clear o) %alle#s,$ac.iner# s&ace cate%or# A an( ot.er .i%. )ire ris! areas, e:ce&t )or ca"les s&&l#in% ei&$ent in t.oses&aces+ T.e# s.all not "e rn alon% )ire one (i'isions, so t.at .eatin% t.ro%. t.e (i'ision (e to )ire,
eo&ar(ise t.e )nction o) t.e ca"les+ S&ecial attention s.all "e %i'en to t.e &rotection an( rotin% o) $ainca"le rns )or essential ei&$ent, )or e:a$&le "et*een $ac.iner# s&aces an( t.e na'i%ation "ri(%e area,ta!in% into accont t.e )ire ris! e:istin% in acco$$o(ation s&aces+
(4 Ca"les $a# e:ce&tionall# "e rote( t.ro%. .i%. )ire ris! area, "t s.all t.en .a'e a((itional )ire &rotection, e+%+ "# sin% ca"le teste( in accor(ance *it. IEC =0331+
Re)+ IACS 8R E1<4
G'i&ance note>
6ain ca"le rns are )or e:a$&le/
ca"le rns )ro$ %enerators an( &ro&lsion $otors to 6ain an( E$er%enc# S*itc."oar(s
ca"le rns (irectl# a"o'e or "elo* 6ain an( E$er%enc# S*itc."oar(s, centralise( $otor starter &anels, section "oar(s an( centralise( control &anels )or &ro&lsion an( essential a:iliaries+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
8$-$" Searation o* +ain generators or +ain o3er con)erters cabling
E'er# nit s.ol( "e &ro'i(e( *it. a $ain sorce o) electrical &o*er *.ic. s.ol( incl(e at least t*o%eneratin% sets+ .ere trans)or$ers or con'erters constitte an essential &art o) t.e s&&l# s#ste$, t.e s#ste$
s.ol( "e so arran%e( as to ensre t.e sa$e continit# o) t.e s&&l#+Re)+ 6OD8 co(e <+3+1 an( <+3+34
Inter&retation/
14 Ca"les )or %enerators, trans)or$ers an( con'erters reire( accor(in% to Sec+2, s.ol( "e (i'i(e( "et*een t*o or $ore ca"le rns+ As )ar as &ractica"le, t.ese ca"le rns s.ol( "e rote( a*a# )ro$eac. ot.er an( a*a# )ro$ areas &rotecte( "# Fi:e( ater-Base( ocal A&&lication Fire-Fi%.tin%S#ste$s, i+e+ "oiler )ronts, &ri)iers )or .eate( )el oil, t.e )ire .aar( &ortions o) internal co$"stion$ac.iner# an( incinerators+
24 In areas *.ere it is i$&ossi"le to se&arate t.e ca"le rns, t.e# s.ol( "e &rotecte( a%ainst (irecte:&osre to )ire e+%+ screens or (cts or )ire-&rotectin% coatin%4 an( $ec.anical (a$a%e+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
8$/ 0ightning rotection
8$/$! General
All o))s.ore nits *it. $asts or to&$asts $a(e o) non-con(cti'e $aterial s.all "e &ro'i(e( *it. li%.tnin% &rotection in t.e )or$ o) a li%.tnin% con(ctor+
Inter&retation/
14 ri$ar# con(ctors &ro'i(e( )or li%.tnin% (isc.ar%e crrents s.ol( .a'e a $ini$$ cross section o) 0 $$2 in co&&er or ei'alent sr%e carr#in% ca&acit# in al$ini$+
24 T.e con(ctor s.ol( "e )astene( to a co&&er s&i!e o) $ini$$ (ia$eter 12 $$ reac.in% a $ini$$
o) 300 $$ a"o'e t.e $ast+ On nits *it. non-$etal .ll, t.e con(ctor s.ol( ter$inate to a co&&er &late *it. a $ini$$ area o) 0+2< $2 attac.e( to t.e .ll an( so locate( t.at it is i$$erse( n(er allcon(itions o) .eel+ On $etal .ll nits it s.ol( "e ter$inate( to t.e nearest &oint on t.e .ll+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.# !ystem Design age 15
8$4 Earthing o* al'+ini'+ s'erstr'ct'res on steel o**shore 'nits
8$4$! Al$ini$ s&erstrctres t.at are &ro'i(e( *it. inslatin% $aterial "et*een al$ini$ an( steel inor(er to &re'ent %al'anic action, s.all "e eart.e( to t.e .ll+
Re)+ IEC =1G2-=, @+=4
Inter&retation/
For t.is &r&ose, corrosion-resistant $etal *ires or "an(s s.ol( "e se(+ T.e (istance "et*een eac. sc.connection s.ol( "e $a:i$$ 10 $+ T.e s$ o) con(cti'ities o) all connections )or one s&erstrctres.ol( not "e less t.an <0 $$2 co&&er, an( t.e con(cti'it# o) eac. connection s.ol( not "e less t.an1= $$2 co&&er+
ro'isions s.ol( "e $a(e )or &re'entin% %al'anic action at t.e ter$inals o) t.ese connections e+%+ "#sin% ;C&al> ter$inals *.en co&&er *ires or "an(s are connecte( to t.e al$ini$ constrctions4+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
it. re%ar( to ra(io inter)erence, it $a# "e necessar# to se s.orter s&acin% "et*een t.e connections t.an t.e 10 $s&eci)ie( a"o'e+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
! Cable selection
!$! General
!$!$! T.ese tec.nical reire$ents )or ca"les an( ca"le installations are consi(ere( rele'ant )or t.e s#ste$(esi%n &.ase o) a &roect+ Ho*e'er, t.e# a&&l# as *ell to t.e )inal installation on t.e o))s.ore nit+
Ot.er rele'ant reire$ents relate( to ca"les can "e )on( else*.ere in t.e rles, es&eciall#/
?G+< - reire$ents )or t.e rotin% o) electric ca"les Sec+G - tec.nical reire$ents )or ca"les as electrical co$&onents Sec+10 - reire$ents )or t.e installation o) ca"les
Sec+11 - reire$ents )or ca"les se( in .aar(os areas+
!$!$2 Fire resistant cables
Ca"les )or ser'ices, reire( to "e o&era"le n(er )ire con(itions s.all "e o) )ire resistant t#&e co$&l#in% *it.t.e reire$ents o) IEC =0331-, *.ere t.e# &ass t.ro%. $ac.iner# s&aces o) cate%or# A an( ot.er .i%. )ireris! areas ot.er t.an t.ose *.ic. t.e# ser'e+ t.is reire$ent also a&&lies )or ca"les &assin% t.ro%. )ire ones+
S#ste$s t.at are sel)-$onitorin%, )ail sa)e or (&licate( *it. rns as *i(el# as is &ractica"le $a# "e e:e$&te(+
T.e )ollo*in% electrical ser'ices are reire( to "e o&era"le n(er )ire con(itions/
)ire an( %eneral alar$ s#ste$ )ire e:tin%is.in% s#ste$s an( )ire e:tin%is.in% $e(i$ alar$s control an( &o*er s#ste$s to &o*er o&erate( )ire (oors an( stats in(ication )or all )ire (oors control an( &o*er s#ste$s to &o*er o&erate( *aterti%.t (oors an( t.eir stats in(ication
e$er%enc# li%.tin% &"lic a((ress s#ste$ lo* location li%.tin% e$er%enc# )ire &$& re$ote e$er%enc# sto&s.t(o*n arran%e$ents )or s#ste$s *.ic. $a# s&&ort t.e &ro&a%ation o) )ire an(
or e:&losion ESDSD, )ire an( %as (etection s#ste$s+
Re)+ IACS 8R E1< an( 8I SC1=<4
Inter&retation/
;Hi%. )ire ris! areas> in t.e conte:t o) t.e a"o'e are/
- $ac.iner# s&aces o) cate%or# A
- %alle#s an( &antries containin% coo!in% a&&liances
- lan(ries containin% (r#in% ei&$ent
- sanas
- sale s.o&s, "ar"er s.o&s an( "eat# &arlors
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- &aint loc!ers an( ot.er store-roo$s )or )la$$a"le lii(s+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
!$!$" 1oltage rating
T.e rate( 'olta%e o) a ca"le s.all not "e less t.an t.e no$inal 'olta%e o) t.e circits in *.ic. it is se(+
G'i&ance note>It is reco$$en(e( t.at ca"les se( )or se$icon(ctor con'erters )or $otor (ri'es are selecte( *it. increase( 'olta%eratin% in or(er to *it.stan( 'olta%e transients+ 6a!ers reco$$en(ations s.ol( "e )ollo*e(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$, Ca"les (esi%ne( in accor(ance *it. Sec+G ?<+1 are onl# acce&te( )or se in control an( instr$entations#ste$s & to 2<0 V+
!$!$- In &o*er (istri"tion s#ste$s, *it. s#ste$ 'olta%e & to 2<0 V, 0+=1 !V &o*er ca"les in accor(ance*it. Sec+G ?3+1 s.all "e se(+
!$!$/ Ca"les (esi%ne( in accor(ance *it. IEC =00G2-3= is not acce&te( as &o*er ca"le, an( can t.ere)orenot "e se( )or li%.t circits etc+, onl# instr$entation an( control circits
!$!$4 In s#ste$s *it. .i%.-resistance eart.e( netral t.e rate( &.ase to eart. 'olta%e 804 o) t.e ca"les s.allnot "e less t.an %i'en in Ta"le 2-<+
In s#ste$s *it. inslate( netral IT-s#ste$s4, t.e rate( &.ase to eart. 'olta%e 804 o) t.e ca"les s.all "e as)or s#ste$s *it. .i%.-resistance eart.e( netral *it.ot ato$atic (isconnection &on eart. )alt+
Re)+ IEC =1G2-@, ta"le 14
G'i&ance note>
0+=1 !V ca"les $a# "e acce&te( in =G0 V IT (istri"tion s#ste$+
3+== !V ca"les $a# "e acce&te( in =+= !V (istri"tion s#ste$ *it. ato$atic (isconnection &on eart. )alt i) acce&te( "# $an)actrer+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$6 Colo'r co&e on earthing cableColor co(e is not reire( on eart.in% ca"les+ Ho*e'er i) #ello*%reen color co(e is se(, it s.all "e se()or &rotecti'e eart.in% onl#+
!$!$8 Cable searation an& rotection
Se&arate ca"les s.all "e se( )or circits &ro'i(e( *it. se&arate s.ort circit or o'er crrent &rotection e:ce&t )or/
control circits "ranc.e( o)) )ro$ a $ain circit $a# "e carrie( in t.e sa$e ca"le as t.e $ain circit $lticore ca"les se( )or intrinsicall# sa)e circits see Sec+11 ?@+2+ s&ecial ca"les sc. as $"ilicals to "e consi(ere( in eac. case+
Re)+ IEC =1G2-@, sec+ @+4
!$2 Cable te+erat're
!$2$! Cable te+erat're class
T.e rate( o&eratin% te$&eratre o) t.e inslatin% $aterial s.all "e at least 10 UC .i%.er t.an t.e $a:i$$a$"ient te$&eratre li!el# to e:ist, or to "e &ro(ce(, in t.e s&ace *.ere t.e ca"le is installe(+Re)+ IEC =1G2-@, sec+ @+104
Table 2:- Rate& )oltage *or high )oltage cables
6ighest systemvoltage +0 $ -
+*9-
Rated voltage +0 0 -+*9-
;ith automatic disconnectionupon earth fault
;ithout automaticdisconnection upon earth
fault
+2 3+= =+0
12+0 =+0 +
1+< + 12+0
2@+0 12+0 1+0
3=+0 1+0 -
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!$" Choice o* ins'lating +aterials
!$"$! Short circ'it an& cable
T.e con(ctor cross-section o) ca"les s.all "e s))icient to &re'ent t.e inslation )ro$ "ein% (a$a%e( "# .i%.te$&eratres occrrin% "# s.ort circits at t.e ca"le en(+ T.e con(ctor te$&eratre classes are %i'en in IEC=00G2-3<1+
Re)+ IEC =1G2-@, sec+ @+4
!$"$2 C.oice o) inslation $aterials are to "e in accor(ance *it. Ta"le G-1+
Inter&retation/
14 VC-inslate( con(ctors *it.ot )rt.er &rotection $a# "e se( )or installation in close( &i&in%s#ste$ in acco$$o(ation s&aces, *.en t.e s#ste$ 'olta%e is $a:i$$ 2<0 V+
24 De to &oor $ec.anical stren%t., t.e se o) silicon-r""er-inslate( ca"les s.ol( "e li$ite( toa&&lications *.ere a .i%. te$&eratre resistant ca"le is necessar# *.ere t.e a$"ient te$&eratre can
"e a"o'e 0UC4+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note>
VC-inslate( con(ctors $a# "e se( )or internal *irin% o) s*itc."oar(s an( ot.er enclosres, an( )or control*irin% installe( in close( &i&in% s#ste$+ Ot.er t#&es o) )la$e retar(ant s*itc."oar( *ires $a# "e acce&te( )or t.esa$e &r&ose+ See Sec+G+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$"$" De to "rittleness at lo* te$&eratres, ca"les *it. VC inslation an( or inneroter s.eat., s.allnor$all# not "e installe( in re)ri%erate( c.a$"ers, an( .ol(s )or te$&eratres "elo* - 20UC, or acrosse:&ansion oints on *eat.er (ec!s+
Re)+ IEC =1G2-@, 3+1< an( =00G2-3<2, 3+2@4
!$, Rating o* earth con&'ctors
!$,$! Earthing connections an& con&'ctors
All eart.in% connections o) co&&er s.all .a'e s))icient cross-section to &re'ent t.e crrent (ensit# e:cee(in%1<0 A$$2 at t.e $a:i$$ eart. )alt crrents t.at can &ass t.ro%. t.e$+
6ini$$ cross-section o) eart.in% con(ctors s.all "e as liste( in Ta"le 2-=+
Table 2:/ Earthing connections an& con&'ctors
8rrangement of earth conductor $ross%section < ofassociated currentcarrying conductor+one phase or pole-
+mm
2
-
#inimum cross%section of earthconductor
1
i4 Inslate( eart. con(ctor in ca"le )or )i:e(installation+
ii4 Co&&er "rai( o) ca"le )or )i:e( installation *.en t.eca"le is &ro'i(e( *it. an inslatin% oter s.eat.+For ca"les *it.ot inslatin% oter s.eat., t.e
"rai(in% can not "e se( as a &rotecti'e eart.con(ctor+4+
iii4 Se&arate, inslate( eart. con(ctor )or )i:e(installation in &i&es in (r# acco$$o(ation s&aces,*.en carrie( in t.e sa$e &i&e as t.e s&&l# ca"le+
i'4 Se&arate, inslate( eart. con(ctor *.en installe(insi(e enclosres or "e.in( co'ers or &anels,incl(in% eart. con(ctor )or .in%e( (oors as
s&eci)ie( in Sec+10 ?2+
5 ≤ 1= 5
1= Z 512 o) t.e crrent-carr#in%
con(ctor, "t not less t.an 1=$$2
2
8ninslate( eart. con(ctor in ca"le )or )i:e(installation, "ein% lai( n(er t.e ca"lePs lea( s.eat.,ar$or or co&&er "rai( an( in $etal-to-$etal contact*it. t.is+
5 ≤ 2+< 1 $$2
2+< Z 5 ≤ = 1+< $$2
= Z 5 Not &er$itte(
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Re)+ IEC =1G2-@, ta"le 24
!$- Correction *actors
!$-$! Di**erent te+erat're classes
I) ca"les o) (i))erent te$&eratre classes are carrie( in t.e sa$e "nc. or &i&e, t.e crrent ratin%s )or all ca"less.all "e "ase( on t.e lo*er te$&eratre class+
!$-$2 M'lticore cables
For ca"les *it. $ore t.an @ cores, t.e crrent ratin% are %i'en "# t.e )ollo*in% eation/
N X n$"er o) cores
71 X t.e crrent ratin% )or a sin%le-core ca"le+
T.is a&&lies "# eal loa( on all cores+ I) so$e cores in sc. $lti-core ca"les are not se(, or are se( )or 'er# s$all crrents onl#, t.e crrent ratin% )or t.e ot.er cores $a# "e increase( a)ter consi(eration in eac. case+
!$-$" A+bient te+erat're
.en t.e actal a$"ient air te$&eratre clearl# (i))ers )ro$ @<UC, t.e correction )actors as %i'en in Ta"le 2-G a&&l#+
!$-$, Metho& o* installation
Ca"le ratin% an( $et.o( o) installation s.all &ro'i(e con(itions &re'entin% ca"les to o&erate a"o'e t.eir (esi%nte$&eratre+
.en installe( in a sin%le la#er *it.ot )ree air circlation "et*een t.e ca"les, t.e crrent ratin%s s&eci)ie( int.e Ta"le 2- to Ta"le 2- can "e se(+ Ho*e'er, t.e ratin%s are "ase( on $a:i$$ = ca"les, *.ic. can "ee:&ecte( to "e n(er )ll loa( si$ltaneosl#+ A correction )actor o) 0+< s.all "e a&&lie( $ore t.an = $lti-core ca"les are installe( *it.ot s&acin% )or )ree air circlation
T.e re(ction )actor )or $ore t.an = sin%le core ca"les s.ol( "e as %i'en in IEC =00G2-3<2 Anne: A+
Free air circlation is ac.ie'e( "# a s&acin% eal t.e ca"le (ia$eter *.en lai( in a sin%le la#er+ For t.ree-)oil)or$ation, t.e (istance s.all "e at least t*ice t.e ca"le (ia$eter+
A sin%le-core ca"le is to "e n(erstoo( as one ca"le *it. res&ect to t.e se o) re(ction )actor, i+e+ re(ction)actor $st "e se( *.en $ore t.an = sin%le-core ca"les are "nc.e( to%et.er+
!$-$- (erio&ic loa&
For ca"les se( )or loa(s t.at are not continos, i+e+ o&erates )or &erio(s o) .al) or one .or an( t.e &erio(so) no-loa( is lon%er t.an 3 ti$es t.e ca"le ti$e constant T in $intes4, t.e crrent ratin% $a# "e increase( "#a (t# )actor, D) , calclate( )ro$/
3Se&aratel# installe( eart. con(ctor )or )i:e( installationot.er t.an s&eci)ie( in 1 iii4 an( 1 i'4+
5 Z 2+<
Sa$e as crrent-carr#in%
con(ctor s"ect to $ini$$ 1+<$$2 )or stran(e( eart.in%connection or 2+< $$2 )or
nstran(e( eart.in% connection
2+< Z 5
12 o) crrent-carr#in% con(ctor, "t not less t.an @ $$2
For IT (istri"tion s#ste$s an(.i%. resistance eart.e( s#ste$s4 &rotecti'e eart.in% con(ctors
@ Inslate( eart. con(ctor in )le:i"le ca"le+5 ≤ 1=
Sa$e as crrent-carr#in%con(ctor
1= Z 5 12 "t $ini$$ 1= $$2
Table 2:/ Earthing connections an& con&'ctors Contin'e&B
8rrangement of earth conductor $ross%section < ofassociated currentcarrying conductor+one phase or pole-+mm2 -
#inimum cross%section of earthconductor
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ts X t.e ser'ice ti$e o) t.e loa( crrents in $intesT X ca"lePs ti$e constant
0+2@< ( 1+3<
( X o'erall (ia$eter o) t.e ca"le in $$+
!$-$/ %nter+ittent loa&
Ca"les se( )or loa(s t.at are not continos, are re&etiti'e an( .a'e &erio(s o) no-loa( o) less t.an 3 ti$es t.eca"le ti$e constant T in $intes4, t.e crrent ratin% $a# "e increase( "# an inter$ittent )actor, I) , calclate()ro$/
ts X t.e ser'ice ti$e o) t.e loa( crrents in $intest& X t.e inter$ittent &erio( in $intes i+e+ t.e total &erio( "e)ore o) loa( an( no-loa( "e)ore t.e c#cle is
re&eate(4
ts, T an( (, see ?10+<+<+
!$/ (arallel connection o* cables
!$/$! arallel connection can "e se( )or ca"les .a'in% con(ctor cross-section 10 $$[ or a"o'e+ All ca"lest.at are &arallel connecte( s.all "e o) t.e sa$e len%t., cross-section an( constrction+ T.e crrent-carr#in%ca&acit# is t.e s$ o) all &arallel con(ctorsP crrent-carr#in% ca&acities+
Re)+ IEC =1G2-@, @+=4
Inter&retation/
14 A t*o, t.ree or )or-core ca"le, in *.ic. all cores are o) t.e sa$e cross-section, can "e se( as sin%le-core ca"le "# &arallel connection o) all cores in eac. en(+ T.e crrent-carr#in% ca&acit# o) sc. sin%le-core ca"le is t.e s$ o) t.e coresP crrent-carr#in% ca&acities+
24 it. &arallel connection o) $lti-core ca"les, one core o) eac. ca"le s.ol( "e se( )or eac. &.ase an(netral connection, res&ecti'el#+
34 it. $an# &arallel-connecte( ca"les, t.e crrent (istri"tion $a# "e ne'en+ Ho*e'er, no sin%le ca"les.ol(, a)ter installation, carr# $ore t.an its ca&acit#+ T.is s.ol( "e (e$onstrate( at )ll loa( o) t.econs$er+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
!$4 A&&itional re7'ire+ents *or AC installations? an& secial DC installations
!$4$! enerall#, $lti-core ca"les s.all "e se( on AC installations+
!$4$2 On t.ree-&.ase, )or-*ire circits, t.e cross-section o) t.e netral con(ctor s.all "e t.e sa$e as )or a &.ase con(ctor & to 1= $$2, an( at least <0 o) t.at o) a &.ase con(ctor )or lar%er cross-sections, t.o%.not lar%er t.an <0 $$2+ In no case t.e crrent in t.e netral *ire s.all e:cee( its rate( crrenc# crr#in%ca&acit#+ T.e "rai(in% in a ca"le s.all not "e se( as t.e netral con(ctor+ T.e "rai(in% in a ca"le s.all not "ese( as t.e netral con(ctor+
Re)+ NEK @00, <2@+24+
!$4$" T.e netral con(ctor s.all nor$all# "e a &art o) t.e &o*er s&&l# ca"le+ Se&arate netral ca"le $a# "e acce&te( )or cross section a"o'e 1= $$2, i) t.e &o*er ca"le not is &ro'i(e( *it. $a%netic "rai(in%+
Re)+ IEC =00G2-3<2, 3+2= c4
!$4$, Single:core cables
a4 Sin%le-core ca"les s.all not .a'e steel-*ire "rai( or ar$or *.en se( in AC s#ste$s an( DC s#ste$s *it.a .i%. ;ri&&le> content+
"4 See Sec+10 ?3+2+3 an( Sec+10 ?3+<+= )or )i:in% o) sin%le core ca"les+
If 1 e
t J p T ⁄ J
1 e t J s T ⁄
J
------------------------X
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!$6 Rating o* cables
!$6$! Con&'ctor c'rrent rating
T.e .i%.est continos loa( carrie( "# a ca"le *it. te$&eratre class G0UC s.all not e:cee( t.e crrent ratin%s&eci)ie( in Ta"le 2- an( Ta"le 2-, *it. consi(eration %i'en to t.e installation $et.o( an( correction )actors%i'en in ?10+<+ T.e Ta"le 2- an( Ta"le 2- are "ase( on t.e ass$&tion t.at t.e installation &er$its )reeair)lo* aron( t.e ca"les, e+%+ s&&orte( "# la((ers, cleats, .an%ers or &er)orate( tra#s *.ere t.e .oles
occ&ies $ore t.an 30 o) t.e area+ For ot.er installation $et.o(s, or ot.er te$&eratre classes, IEC =00G2-3<2 Anne: A is to "e se(+
Re)+ IEC =00G2-3<24
G'i&ance note>
Ca"les se( in circits *it. non-sinsoi(al crrents s.ol( "e (e-rate( in or(er to co$&ensate )or t.e a((itional .eatlosses+ 6a!ers reco$$en(ations s.ol( "e )ollo*e(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
Table 2:4 Rating o* cables 3ith te+erat're class 4C
"ominal cross%section +mm= - $urrent rating +8-+)ased on ambient temperature >4$-
Single%core =%core ? or >%core
1+<2+<
1<21
131
111<
@=
10
2G3<1
2<31@3
202=3=
1=2<3<
=G0
111
<G@
@=3
<00
1311
111@<
G120
G<1201<0
2023G2<
1=20323@
1@<1=1G3
1<2@0300
3133=G@2@
2==31@3=0
21G2<2G
@00<00=30
DC AC DC AC DC AC
<00<0=0
@G0<<0=10
@2<@G3<0
@1@=<1G
3<0@0=@=G
3@33<@2
Table 2:6 Rating o* cables 3ith te+erat're class 8C
"ominalcross%section +mm= -
$urrent rating +8-+)ased on ambient temperature >4$-
Single%core =%core ? or >%core
1
1+<2+<
1
2330
1<
202=
13
1=21
@=
10
@0<22
3@@@=1
23=<0
1=2<3<
G=121<
210133
=G
110
<00
1G=2@2
1=20=
131=G
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G<1201<0
2G333G3G
2@G2331
20<2322
1<2@0300
@@@<22=01
3@@@<11
3113=<@21
@00<00=30
DC AC DC AC DC AC
=G00G0
=0200
<==3<
<0=12==3
@3<@==23
@=G<0@<@=
Table 2:8 Correction *actors *or a+bient te+erat're
$able temperatureclass
8mbient temperature +4$-
UC 3< 14 @0 @< <0 << =0 =< 0 < 0 <
=0 24 1+2G 1+1< 1+00 0+2 - - - - - - -
0 1+1 1+10 1+00 0+G 0+ 0+=3
< 1+12 1+0= 1+00 0+G@ 0+ 0+G 0+1 0+=1 0+<0 - -
G0 1+10 1+0< 1+00 0+G@ 0+ 0+2 0+@ 0+= 0+< 0+@ -
G< 1+10 1+0< 1+00 0+G< 0+G 0+@ 0+ 0+1 0+=3 0+<< 0+@<
14 Correction )actors )or a$"ient te$&eratre "elo* @0UC *ill nor$all# onl# "e acce&te( )or/
ca"les in re)ri%erate( c.a$"ers an( .ol(s, )or circits *.ic. onl# are se( in re)ri%erate( ser'ice ca"les on o))s.ore nit *it. class notation restrictin% t.e ser'ice to non-tro&ical *ater+
24 =0UC ca"les s.all not "e se( in en%ine an( "oiler roo$s+
Table 2:6 Rating o* cables 3ith te+erat're class 8C Contin'e&B
"ominalcross%section +mm= -
$urrent rating +8-+)ased on ambient temperature >4$-
Single%core =%core ? or >%core
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SECT%ON " EU%(MENT %N GENERA0
! General re7'ire+ents
!$! Re*erences
!$!$! General
a4 T.is section contains tec.nical reire$ents )or all electrical ei&$ent in %eneral+ A((itional
reire$ents )or s&ecial t#&es o) ei&$ent can "e )on( in Sec+@ to Sec+G+
"4 Reire$ents )or electrical s#ste$s as a *.ole can "e )on( in Sec+2+ Reire$ents )or installation o)
ei&$ent can "e )on( in Sec+10+
!$!$2 Co+liance 3ith stan&ar&s
T.e reire$ents in t.is section are "ase( on t.e IEC stan(ar( s#ste$ in %eneral+
G'i&ance note>
IEC Stan(ar(s co'erin% t.e %eneral reire$ents )or electrical co$&onents )or s.i&s are/ IEC =00G2-101 ;De)initions
an( %eneral reire$ents>, an( &arts o) IEC =00G2-201 ;S#ste$s (esi%n - eneral>+
For o))s.ore nits/ IEC =1G2, &art 1, ;eneral reire$ents an( con(itions>, &art 2 ;S#ste$s (esi%n>, an( &art 3
;Ei&$ent>, a&&l#+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2 En)iron+ental re7'ire+ents
2$! %nclinations
2$!$! T.e reire$ents in DNV-OS-D101, C.+2 Sec+1 ?2 a&&lies+
2$2 1ibrations an& accelerations
2$2$! General
a4 Electrical ei&$ent an( co$&onents s.all "e constrcte( to *it.stan(, *it.ot $al)nctionin%, or
electrical connections loosenin%, at least a 'i"ration )reenc# ran%e < to <0 H *it. 'i"ration 'elocit#
a$&lit(e 20 $$s+
"4 For )le:i"le $onte( ei&$ent, s&ecial consi(erations s.all "e %i'en to t.e constrction o) t.e ei&$ent
since lar%er 'i"rations $a# occr+
2$" Te+erat're an& h'+i&it.
2$"$! A+bient te+erat'res
a4 Electrical ei&$ent incl(in% co$&onents insi(e enclosres in s*itc."oar(s etc+, s.all "e constrcte( )or continos o&eration at rate( loa(, at least *it.in t.e a$"ient air te$&eratre ran%es liste( in Ta"le 3-1 an(
coolin% *ater te$&eratres in ?2+3+2+
"4 6o(i)ications o) t.e ei&$ent $a# "e reire( i) t.e actal a$"ient air te$&eratres *ill clearl# e:cee(
t.e li$its in a4+
c4 I) so$e ei&$ent .as a critical $a:i$$ a$"ient te$&eratre "# *.ic. it s((enl# )ails, t.is critical
te$&eratre s.ol( not "e less t.an 10UC a"o'e t.e li$its s&eci)ie( in t.e ta"le+
(4 For o))s.ore nits *it. class notation restrictin% t.e ser'ice to non-tro&ical *aters, t.e &&er a$"ient air
te$&eratre li$its accor(in% to Ta"le 3-1 $a# "e re(ce( "# 10UC+
e4 For electronic an( instr$entation (e'ices t.e reire$ents in DNV-OS-D202 a&&lies+
G'i&ance note>
T.ese rles (o not a&&raise a$"ient con(itions )or trans&ort or stora%e o) electrical ei&$ent+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.& +6uipment in *eneral age 23
2$"$2 Cooling 3ater te+erat'res
T.e reire$ents in Rles )or Classi)ication o) S.i&s t+@ C.+1 Sec+3 B201 a&&lies+
Electrical ei&$ent on o))s.ore nits *it. class notation restrictin% t.e ser'ice to non-tro&ical *aters s.all "e
constrcte( )or continos o&eration at a sea*ater te$&eratre & to W2<UC+
2$"$" H'+i&it.
Electrical ei&$ent s.all "e constrcte( to *it.stan(, an( )nction sa)el# in relati'e .$i(it# & to G<+
" E7'i+ent ratings
"$! Electrical ara+eters
"$!$! General
a4 8nless ot.er*ise clearl# state( "# t.e &rc.aser, ei&$ent s.all "e rate( )or continos (t#+ Dt# t#&e S14+
"4 All con(ctors, s*itc.%ear an( accessories s.all "e o) sc. sie as to "e ca&a"le o) carr#in%, *it.ot t.eir
res&ecti'e ratin%s "ein% e:cee(e(, t.e crrent *.ic. can nor$all# )lo* t.ro%. t.e$+ T.e# s.all "eca&a"le o) carr#in% antici&ate( o'erloa(s an( transient crrents, )or e:a$&le t.e startin% crrents o) $otors, *it.ot (a$a%e or reac.in% a"nor$al te$&eratres+
"$!$2 1oltage an& *re7'enc.
a4 Ei&$ent connecte( to t.e s#ste$ s.all "e constrcte( )or t.e s#ste$s no$inal )reenc# an( 'olta%e,'olta%e (ro& in (istri"tion an( t.e tolerances (escri"e( in Sec+2 ?1+2+
"4 An# s&ecial s#ste$, e+%+ electronic circits, *.ose )nction cannot o&erate satis)actoril# *it.in t.e li$its%i'en in Sec+2 ?1+2 s.ol( not "e s&&lie( (irectl# )ro$ t.e s#ste$ "t "# alternati'e $eans, e+%+ t.ro%.sta"ilie( s&&l#+
"$!$" Har+onic &istortion
All ei&$ent s.all "e constrcte( to o&erate at an# loa( & to t.e rate( loa(, *it. a s&&l# 'olta%e containin%.ar$onic (istortion as %i'en in Sec+2 ?1+2+
"$!$, Electro+agnetic co+atibilit.
Ei&$ent &ro(cin% transient 'olta%e, )reenc# an( crrent 'ariations s.all not case t.e $al)nction o) ot.er ei&$ent on "oar(, neit.er "# con(ction, in(ction or ra(iation+
G'i&ance note>
T.e nit can "e (i'i(e( in t.ree (i))erent Electro$a%netic co$&ati"ilit# E6C4 ones as (e)ine( in IEC =0<33+ ;Dec! an( "ri(%e one>, eneral &o*er (istri"tion one> an( ;S&ecial &o*er (istri"tion one>+ Ei&$ent &lace( in t.e(i))erent ones s.all .a'e t.e corres&on(in% co$&ati"ilit# le'el+
For ;Dec! an( "ri(%e one> t.e co$&ati"ilit# le'el is %i'en in IEC =0<33 or IEC =0G@<+
For ;eneral &o*er (istri"tion one> t.e co$&ati"ilit# le'el is %i'en in IEC =0<33+ It is also ass$e( t.at t.eco$&ati"ilit# le'el %i'en in t.e IEC &ro(ct stan(ar(s co'erin% E6C4 or t.e %eneric E6C stan(ar(s IEC =1000-=-2 i$$nit#4 an( IEC =1000-=-@ e$ission4 *ill "e s))icient+
For ;S&ecial &o*er (istri"tion one> a&&ro&riate $easres s.ol( "e ta!en so t.at sa)e o&eration is assre(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
Table ":! A+bient air te+erat're ranges
7ocation
#inimum ambient air temperature range for continuous operation at rated
capacity +4$-
&rom To
1En%ine roo$s, "oiler roo$s, %alle#s an( si$ilar s&aces,acco$$o(ation s&aces+14 0 W@<
2O&en (ec!, (r# car%o .ol(s, steerin% %ear co$&art$ents, (ec!.oses,)orecastle s&aces an( si$ilar s&aces *.ic. are not &ro'i(e( *it. s&ace.eatin%+
-2< W@<
3a4 Re)ri%erate( c.a$"ers an( .ol(s, %eneral+ T.e $ini$$
te$&eratre s&eci)ie( )or t.einstallation, "t not a"o'e -20
W@<
"4Re)ri%erate( c.a$"ers an( .ol(s, )or ei&$ent *.ic. onl# is se( inre)ri%erate( ser'ice+ W3<
14 Co$&onents an( s#ste$s are to "e (esi%ne( to o&erate at a$"ient air te$&eratre in t.e $ac.iner# s&aces "et*een 0UC an( <<UC+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.& +6uipment in *eneral age 24
"$2 Ma;i+'+ oerating te+erat'res
"$2$! General
a4 T.e te$&eratre rise o) enclosres an( t.eir (i))erent e:terior &arts s.all not "e so .i%. t.at )ire ris!,(a$a%e to t.e ei&$ent, a(acent $aterials or (an%er to &ersonnel occrs+ T.e te$&eratre rise s.all note:cee( <0UC+ E:e$&tions $a# "e consi(ere( )or ei&$ent t.at is es&eciall# &rotecte( a%ainst toc.in% or s&las.in% o) oil+
"4 For enclosres installe( in contact *it. )la$$a"le $aterials sc. as *oo(en "l!.ea(s, t.e te$&eratrerise li$it is @0UC+
c4 For l$inaries, resistors an( .eatin% ei&$ent, see Sec++
(4 6a:i$$ te$&eratre )or o&eratin% .an(les is/
.an(les an( %ri&s $a(e o) $etal/ <<UC .an(les an( %ri&s $a(e o) inslatin% $aterial &orcelain, $ol(e( $aterial, r""er or *oo(4/ =<UC+
G'i&ance note>
Hi%.er te$&eratres $a# "e acce&te( )or &arts *.ic. nor$all# *ill not "e .an(le( *it. n&rotecte( .an(s+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
, Mechanical an& electrical roerties
,$! Mechanical strength
,$!$! General
Ei&$ent s.all .a'e s))icient $ec.anical stren%t. to *it.stan( t.e strains t.e# are li!el# to "e e:&ose( to*.en installe(+
,$!$2 Enclos'res
a4 Enclosres s.all "e resistant to *eat.er, oil an( c.e$icals an( .a'e s))icient $ec.anical stren%t. *.eninten(e( to "e installe( in an area *.ere ris! o) $ec.anical (a$a%e e:ists+
"4 6etallic enclosres installe( on (ec! or in co$&art$ents *.ere se'ere corrosion &ro"le$s can "e e:&ecte(
s.all "e $a(e o) es&eciall# corrosion resistant $aterial or (i$ensione( *it. a certain corrosion allo*ance+
c4 i%.t $etal allo#s as i+e+ al$ini$ s.all "e a'oi(e( as enclosre $aterials i) not (oc$ente( to "esea*ater resistant an( installe( so t.at local corrosion case( "# contact (oes not occr+
(4 Enclosres t.at are so &lace( t.at t.e# are li!el# to "e ste&&e( or cli$"e( on, s.all "e a"le to *it.stan( t.e*ei%.t o) a $an+ T.is a&&lies )or e:a$&le to $ost electrical $ac.ines in t.e en%ine roo$, *inc. $otorson (ec!, etc+ A test to t.is e))ect, *it. a )orce o) 1000 N a&&lie( "# a )lat sr)ace 0 × 0 $$, $a# "ecarrie( ot as t#&e test or ran(o$ test+
e4 Enclosres s.all *it.stan( t.e a$"ient air te$&eratres *.ic. are s&eci)ie( in B, *it. t.e ei&$ent at )llloa(+ T.e te$&eratre rise o) enclosres s.all not "e so .i%. t.at )ire ris!, (a$a%e to a(acent $aterials or (an%er to &ersonnel occrs+
)4 .en enclosres o) ot.er $aterials t.an $etal are se(, t.e# s.ol( at least *it.stan( i$$ersion in *ater at 0UC )or 1< $intes, *it.ot s.o*in% si%ns o) (eterioration, an( t.e $aterial s.all "e )la$e retar(ant
accor(in% to IEC =00G2-101+ A test to t.is e))ect $a# "e carrie( ot as t#&e test or ran(o$ test+ T.is alsoa&&lies to screens o) l$inaries, an( to *in(o*s in ot.er enclosres, i) $a(e o) ot.er $aterial t.an %lass+
,$!$" Materials
a4 Electrical ei&$ent s.all "e constrcte( o) (ra"le non-.#%rosco&ic $aterials *.ic. are not s"ect to(eterioration in t.e at$os&.ere to *.ic. it is li!el# to "e e:&ose(+
"4 Electrical ei&$ent s.all "e constrcte( o) at least )la$e retar(ant $aterials+
G'i&ance note>
E'en in ;(r#> locations, & to G= relati'e .$i(it# *it. a salt content o) 1 $% salt &er 1 $\ o) air $a# occrL in$ac.iner# s&aces also $ist an( (ro&lets o) )el- an( l"ricatin% oil+
Tests )or )la$e retar(ant &ro&erties are (escri"e( in IEC =00G2-101 Fla$$a"ilit# test in accor(ance *it. 8G@ <VA,<VB, V0 an( V1 can also "e acce&te(+
For $inor ei&$ent or non $etallic &arts o) electrical co$&onents a %lo* *ire test in accor(ance *it. IEC =0=G<-2-11 $a# "e acce&te(+ arts o) inslation $aterial necessar# to retain crrent-carr#in% &arts s.ol( con)or$ to a testte$&eratre o) G=0C+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.& +6uipment in *eneral age 25
,$!$, Material &eterioration &'e to cargo )ao'rs
.ere t.e car%o %ases or 'a&ors are lia"le to (a$a%e t.e $aterials se( in t.e constrction o) electricala&&arats, care)l consi(eration s.all "e %i'en to t.e c.aracteristics o) t.e $aterials selecte( )or con(ctors,inslation, $etal &arts, etc+ As )ar as is &ractica"le, co$&onents o) co&&er an( al$ini$, s.all "e enca&slate(to &re'ent contact *it. %ases or 'a&ors+
G'i&ance note>
Attention is (ra*n to t.e &ossi"ilit# o) %ases an( 'a&ors "ein% trans)erre( )ro$ one &oint to anot.er t.ro%. ca"lesor ca"le (ctin% nless a&&ro&riate &recations are ta!en, )or e:a$&le, a(eate en( sealin%+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$2 Cooling an& anti:con&ensation
,$2$! General
a4 .ere electrical ei&$ent (e&en(s on a((itional coolin%, t.e )ollo*in% s.all "e co$&lie( *it./
an alar$ s.all "e initiate( *.en a:iliar# coolin% or 'entilation $otors sto& rnnin%+ Alternati'el# a)lo* $onitorin% alar$ s.all "e initiate(
t.e *in(in%s in t.e coole( ei&$ent )or essential ser'ices s.all "e ei&&e( *it. te$&eratre(etectors )or in(ication an( alar$ o) *in(in% te$&eratre
t.e *in(in%s in t.e coole( ei&$ent )or i$&ortant ser'ices s.all "e ei&&e( *it. te$&eratre(etectors )or alar$ at .i%. *in(in% te$&eratre+
"4 .ere t.e coolin% o) electrical ei&$ent (e&en(s &on %eneral roo$ 'entilation onl#, te$&eratre(etectors in t.e ei&$ent are not reire(+
,$2$2 Water coole& heat e;changers
a4 .ere coolin% o) ei&$ent is arran%e( t.ro%. air-*ater .eat e:c.an%ers, t.ese s.all "e arran%e( to &re'ent entr# o) *ater into t.e ei&$ent, *.et.er "# lea!a%e or con(ensation+ ea!a%e alar$ s.all "e &ro'i(e(+
"4 Heat e:c.an%ers in .i%. 'olta%e ei&$ent s.all "e o) (o"le t"e t#&e an( s.all "e )itte( *it. lea!a%ealar$+
c4 T.e constrction an( certi)ication o) t.e air-*ater .eat e:c.an%ers s.all co$&l# *it. t.e reire$ents )or &ressre 'essels, DNV-OS-D101+
(4 For (irect *ater coolin% o) se$i-con(ctor ei&$ent, see Sec++
G'i&ance note>
ea!a%e (etection is not reire( )or ac!et *ater coole( rotatin% $ac.ines (e to t.e lo* &ro"a"ilit# )or *ater lea! into t.e $ac.ine+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$2$" Anti:con&ensation
a4 For ei&$ent *.ere con(ensation is li!el#, )or e:a$&le t.ose t.at are i(le )or lon% &erio(s, .eatin%arran%e$ents $a# "e reire(+
"4 All .i%. 'olta%e con'erters, trans)or$ers an( rotatin% ei&$ent not locate( in .eate( an( 'entilate(s&aces, s.all "e &ro'i(e( *it. .eatin% ele$ents in or(er to &re'ent con(ensation an( acc$lation o) $oistre+ T.e .eatin% s.all "e ato$aticall# s*itc.e( on at stan( still+
c4 All ei&$ent ei&&e( *it. air*ater .eat e:c.an%ers s.all "e &ro'i(e( *it. .eatin% ele$ents in or(er to &re'ent con(ensation an( acc$lation o) $oistre+ T.e .eatin% s.all "e ato$aticall# s*itc.e( on atstan( still+
,$" Ter+ination an& cable entrances
,$"$! Ter+ination
a4 All ei&$ent s.all "e &ro'i(e( *it. sita"le, )i:e( ter$inals in an accessi"le &osition *it. s))icients&ace )or (is$antlin% an( connection o) e:ternal inco$in% ca"les+ T*ist-on or cla$&-on connectionsinsi(e connection "o:es )or li%.tin% an( s$all &o*er cons$ers are acce&te( insi(e (r# acco$$o(ation+
"4 All connections )or crrent-carr#in% &arts an( eart.in% connections s.all "e )i:e( so t.at t.e# cannot loosen "# 'i"ration+ T.is also a&&lies to )i:in% o) $ec.anical &arts *.en )on( necessar#+
c4 Ter$inals )or circits *it. (i))erent s#ste$ 'olta%es s.all "e se&arate(, an( clearl# $ar!e( *it. t.e s#ste$'olta%e+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.& +6uipment in *eneral age 3$
(4 Hi%. 'olta%e ter$inals, a"o'e 1 000 V, s.all not "e locate( in t.e sa$e "o:, or &art o) enclosre, as lo*'olta%e ter$inals+
e4 Electrical ei&$ent t.at nee(s to "e connecte( to &rotecti'e eart. accor(in% to ?@+@ s.all "e &ro'i(e( *it.sita"le )i:e( ter$inal )or connectin% a &rotecti'e eart. con(ctor+ T.e ter$inal s.all "e i(enti)ie( "# as#$"ol or le%en( )or &rotecti'e eart.in% E4+
,$"$2 Cable entrance
a4 Ca"le entrances s.all "e so arran%e( t.at t.e enclosre !ee&s it inten(e( I ratin% a)ter installation an( ino&eration+
"4 Ca"le entrances s.all "e )it )or t.e oter (ia$eter o) t.e ca"le in estion+
G'i&ance note>
Ca"le entries )ro$ t.e to& on ei&$ent installe( on o&en (ec! s.ol( "e a'oi(e( nless ot.er alternati'es &ro'ei$&ractica"le+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$, E7'i+ent rotecti)e earthing
,$,$! General
a4 E:&ose( &arts o) electrical installations, *.ic. are lia"le, n(er )alt con(itions to "eco$e li'e, s.all "eeart.e(+ Fi:in% (e'ices "et*een a .i%. 'olta%e enclosre an( steel .ll &arts s.all not "e relie( &on as t.esole eart.in% connection o) t.e enclosre+
"4 S*itc.%ear an( control%ear asse$"lies s.all "e )itte( *it. eart. connections4 to ensre eart.in% o) all$etallic non-crrent carr#in% &arts+ In $ain an( E$er%enc# S*itc."oar(s a continos eart.-"ar isreire( )or t.is &r&ose+
c4 For t.e interconnections *it.in an enclosre, )or e:a$&le "et*een t.e )ra$e, co'ers, &artitions or ot.er strctral &arts o) an asse$"l#, t.e )astenin%, sc. as "oltin% or *el(in% is acce&ta"le, &ro'i(e( t.at asatis)actor# con(cti'e connection is o"taine(+
(4 Hin%e( (oors s.all "e connecte( to t.e s*itc."oar( or enclosre "# a se&arate, )le:i"le co&&er eart.con(ctor+ In .i%. 'olta%e ei&$ent, t.is con(ctor s.all .a'e at least @ $$[ cross-section+
e4 Eac. .i%. 'olta%e asse$"l# s.all "e eart.e( "# $eans o) eart. con(ctors+ Eac. asse$"l# s.all "e
&ro'i(e( *it. a $ain eart.in% con(ctor o) cross-section at least 30 $$[ co&&er, *it. at least 2 a(eateter$inals )or connection to t.e steel .ll+ Eac. nit enclosre an( ot.er $etallic &arts inten(e( to "e eart.e(s.all "e connecte( to t.is $ain eart.in% con(ctor or "ar+
)4 Eart.e( $etallic &arts o) *it.(ra*a"le co$&onents in .i%. 'olta%e ei&$ent s.all re$ain eart.e(, "#$eans o) a s&ecial eart. (e'ice, ntil t.e# .a'e "een )ll# *it.(ra*n+ T.e eart.in% s.all "e e))ecti'e also*.en in test &osition *it. a:iliar# circits li'e+
%4 T.e secon(ar# *in(in% o) an# crrent or 'olta%e trans)or$er installe( in a .i%. 'olta%e s#ste$ s.all "eeart.e( "# a co&&er con(ctor o) at least @ $$2 cross-section+ Alternati'el#, neart.e( secon(ar# *in(in%*it. o'er'olta%e &rotection is acce&te(+
Inter&retation/
E:ce&tion )ro$ t.is reire$ent is %i'en )or $ac.ines or ei&$ent/
s&&lie( at a 'olta%e not e:cee(in% <0 V DC or AC "et*een con(ctors s&&lie( at a 'olta%e not e:cee(in% 2<0 V "# sa)et# isolatin% trans)or$ers s&&l#in% onl# one
cons$in% (e'ice+ Ato-trans)or$ers $a# not "e se( )or t.e &r&ose o) ac.ie'in% t.is 'olta%e
constrcte( in accor(ance *it. t.e &rinci&le o) (o"le inslation+
Re)+ SOAS C.+ II-1@<+1+14
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
,$- Enclos'res ingress rotection
,$-$! General
a4 All ei&$ent s.all "e constrcte( to &re'ent acci(ental toc.in% o) li'e &arts, an( s.all .a'e enclosres*it. a $ini$$ (e%ree o) &rotection (e&en(ent &on t.e installation area, accor(in% to t.e installationreire$ents in Ta"le 10-1, nless a .i%.er (e%ree is reire( "# t.ese rles+
"4 For ei&$ent s&&lie( at no$inal 'olta%es a"o'e <00 V & to an( incl(in% 1 000 V, an( *.ic. isaccessi"le to non-ali)ie( &ersonnel, it is in a((ition reire( t.at t.e (e%ree o) &rotection a%ainst
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.& +6uipment in *eneral age 3%
toc.in% li'e &arts s.all "e at least I @+
c4 Hi%. 'olta%e s*itc.%ear an( control%ear asse$"lies s.all .a'e enclosre t#&e o) at least I 32+
(4 Hi%. 'olta%e trans)or$ers s.all .a'e enclosre t#&e o) at least I 23, *.en locate( in s&aces accessi"leonl# to ali)ie( &ersonnel, an( at least I <@ in ot.er locations+
e4 Hi%. 'olta%e rotatin% electrical $ac.ines s.all .a'e a (e%ree o) &rotection "# enclosre o) at least I 23,nless a .i%.er (e%ree is reire( "# location+ Connection "o:es o) .i%. 'olta%e rotatin% $ac.ines s.all in
all cases .a'e a (e%ree o) &rotection o) at least I @@+)4 A se&arate loc!e( roo$ *it. *arnin% si%ns, an( *it.ot ot.er installations, can "e re%ar(e( as an enclosre
"# itsel), t.at is, no reire$ent )or ei&$ent &rotection a&&lies+
G'i&ance note>
Ei&$ent locate( in $ac.iner# s&aces $a# "e consi(ere( as "ein% accessi"le to ali)ie( &ersonnel onl#+ T.e sa$ea&&lies to ei&$ent locate( in ot.er co$&art$ents t.at nor$all# are !e&t loc!e(, n(er t.e res&onsi"ilit# o) t.eo))s.ore nitPs cre*+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$/ Clearance an& creeage &istances
,$/$! General
a4 T.e (istance "et*een li'e &arts o) (i))erent &otential an( "et*een li'e &arts an( t.e cases o) ot.er eart.e($etal, *.et.er across sr)aces or in air, s.all "e a(eate )or t.e *or!in% 'olta%e, .a'in% re%ar( to t.enatre o) t.e inslatin% $aterial an( t.e con(itions o) ser'ice+
"4 Clearance an( cree&a%e (istances s.all "e as reire( in rele'ant &ro(ct stan(ar(s+ .en &ro(ctstan(ar(s not %i'e sc. reire$ents e+%+ )or %enerators, $otors an( trans)or$ers4 t.e 'ales %i'en inSec+@ s.all "e co$&lie( *it.+
c4 Electric inslation, e+%+ clearance an( cree&a%e (istances, s.all "e (esi%ne( )or o&eration in &olltion(e%ree 3 an( o'er'olta%e cate%or# III as (e)ine( in IEC =1@3G-1+
G'i&ance note>
Reire$ents to clearance an( cree&a%e (istances )or .i%. an( lo* 'olta%e s*itc.%ear an( control%ear is %i'en inSec+@+ For se$i-con(ctor con'erters in Sec++
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
- Mar9ing an& signboar&s
-$! General
-$!$! General
a4 All ei&$ent s.all "e e:ternall# $ar!e( to ena"le i(enti)ication in accor(ance *it. t.e (oc$entation o) t.e &o*er (istri"tion s#ste$, an( "e $ar!e( *it. t.e $an)actrerPs na$e+ In a((ition t.e s#ste$ 'olta%es.all "e in(icate( on s*itc.%ear an( asse$"lies+
"4 All ei&$ent s.all i) necessar# "e $ar!e( to ensre correct se+
c4 See Sec+11 )or t.e reire$ents )or t.e $ar!in% o) .aar(os area ei&$ent+
(4 All $ar!in% s.all "e &er$anentl# )i:e(+
e4 a"els "earin% clear an( in(eli"le in(ications s.all "e so &lace( t.at all co$&onents an( all ei&$ent can "e easil# i(enti)ie(+
-$!$2 Rating late
All ei&$ent s.all "e )itte( *it. a ratin% &late %i'in% in)or$ation on $a!e, t#&e, crrent, 'olta%e an( &o*er ratin% an( ot.er necessar# (ata )or t.e a&&lication+
G'i&ance note>
6ore (etaile( reire$ents )or in)or$ation note( on ratin% &lates $a# "e )on( in ot.er a&&lica"le sections re%ar(in%eac. ei&$ent t#&e containe( in t.is c.a&ter Sec+@ to Sec+G4+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
-$!$" 0abels *or s3itchgear? ter+inals? cables
a4 Internal co$&onents in ei&$ent an( asse$"lies as s*itc.%ear, control%ear, )se %ear, soc!et otlets,li%.tin% ei&$ent an( .eatin% ei&$ent s.all "e $ar!e( *it. $a!e, t#&e, crrent, 'olta%e an( &o*er ratin% an( ot.er necessar# (ata )or t.e a&&lication i+e+ to *.ic. stan(ar( t.e ei&$ent is &ro(ce(4+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.& +6uipment in *eneral age 3#
"4 T.e s*itc.%ear an( )se %ear )or eac. circit s.all "e $ar!e( *it. circit (esi%nation, ca"le cross-sectionan( ratin% o) )ses or necessar# (ata )or eas# reco%nition o) co$&onents an( circits accor(in% to rele'ant(ra*in%s+
c4 I) t.e s*itc."oar( contains t*o or $ore (istri"tion s#ste$s *it. (i))erent 'olta%es, t.e (i))erent &artss.all "e $ar!e( *it. t.e res&ecti'e 'olta%es at t.e &artitions+
(4 Ter$inals )or circits *it. (i))erent s#ste$ 'olta%es s.all "e clearl# se&arate(, an( clearl# $ar!e( *it. t.e
'olta%e+e4 All ter$inals )or connection o) e:ternal instr$entation an( control ca"les s.all "e $ar!e(+
)4 E:ternal instr$entation an( control ca"les s.all "e $ar!e( )or i(enti)ication insi(e t.e ca"inet+ Eac. corein a ca"le s.all "e $ar!e( in accor(ance *it. Sec+G ?1+1+3+ T.e i(enti)ication $ar!in% se( s.all "ere)lecte( in t.e *irin% (ia%ra$ or sc.e$atics+
G'i&ance note>
It is e:&ecte( t.at t.e o*ner an( t.e s.i&#ar( a%ree a $tall# acce&ta"le $et.o( o) &ro'i(in% &er$anenti(enti)ication $ar!in%+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
-$!$, Signboar&s an& 3arnings
a4 Eac. s*itc.%ear an( control %ear )e( )ro$ $ore t.an one in(i'i(all# &rotecte( circit s.all "e $ar!e(*it. a *arnin% si%n statin% t.at t.ese circits s.all "e isolate( *.en t.e $ain circit is isolate( )or $aintenance &r&ose+ A *arnin% si%n is not reire( i) all li'e circits *it.in t.e enclosre are(isconnecte( to%et.er *it. t.e $ain &o*er circit+
"4 .en, )or )ses a"o'e <00 V, t.e )se.ol(ers &er$it t.e insertion o) )ses )or lo*er no$inal 'olta%e,s&ecial *arnin% la"els s.all "e &lace(, )or e:a$&le ;Cation, ==0 V )ses onl#>+
c4 S&ecial ;.i%. 'olta%e> *arnin% si%n"oar(s are reire( on all .i%. 'olta%e $ac.ines, trans)or$ers, ca"les,s*itc.%ear an( control%ear asse$"lies+
/ %ns'lation
/$! %ns'lation +aterials
/$!$! General
a4 Inslatin% $aterials, %eneral &r&ose t#&e, )or s&&ortin% con(ctors not (e)ine( as )or $ac.ines an(ca"les4 s.all *it.stan( t.e te$&eratres to *.ic. t.e# are li!el# to "e e:&ose(+ T.is is nor$all# a$"ientte$&eratre &ls t.e .eat )ro$ t.e con(ctor itsel) (rin% )ll loa(+
"4 A t.er$al classi)ication in accor(ance *it. IEC =00< s.all "e assi%ne( to t.e inslation s#ste$ *.en se(in $ac.ines+ T.e nor$all# se( classes are s.o*n in Ta"le 3-2, *it. t.e $a:i$$ e:&osre te$&eratresincl(in% a$"ient4 s.o*n in t.e ri%.t col$n+
c4 Inslatin% $aterials s.all "e at least )la$e retar(ant+ For ca"les see reire$ents in Sec+G+
Inslatin% $aterials s.all "e trac!in% resistant in accor(ance *it. IEC =0112+ A trac!in% in(e: o) at least 1<V *ill "e reire( )or lo* 'olta%e ei&$ent+ For .i%. 'olta%e ei&$ent t.e trac!in% in(e: s.all "e $ini$$300 V+ See C.+2 Sec+1 re%ar(in% trac!in% in(e:+
Table ":2 General ins'lation classes
Insulation class+thermal class-
#a3imum temperature4$
A 10<
B 130
E <
F 1<<
H 10
220 220
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.& +6uipment in *eneral age 3&
4 %nsection an& testing
4$! General
4$!$! General
a4 Reire$ents to ins&ection an( testin% o) electric ei&$ent are %i'en in t.e a&&lica"le sections in t.eserles+
"4 For ei&$ent t.at s.all "e t#&e a&&ro'e(, t#&e tests as liste( in Ta"le 3-3 to Ta"le 3-< s.all "e &er)or$e(as a&&lica"le+
Table ":" En)iron+ental t.e tests
Parameters 7ocation #inimum e2uipment specification Test reference
Te$&eratre
Insi(e o))s.ore nitA$"ient te$&eratres/W0UC to W@<UC, see also ?2+3+1c4
IEC =00=-2-2 Dr# .eat test4
Otsi(e o))s.ore nitA$"ient te$&eratres/-2<U C to W@<UC
IEC =00=-2-2 Dr# .eat test4IEC =00=-2-1 Col( test4
H$i(it# All locationsRelati'e .$i(it# & to G< at all rele'antte$&eratres+
IEC =00=-2-30 test D"
Vi"ration All locationsFreenc# ran%e/ <-<0 H,Velocit#/ 20 $$s a$&lit(e4
IEC =00=-2-= test Fc orIEC =00=-2-=@ test F.$a: 10 ti$es a$&li)ication4
Table ":, Electrical EMC t.e tests
Parameters 7ocation as defined in I$ ??
#inimum e2uipment specification Test reference
Inslation
All location Inslation Resistance Ta"le 10-<+
All location 1 $inte Hi%. Volta%e Test Sec+@ ?@+1+= 14
All locationI$&lse Volta%e Test IEC =1@3G-1 or IEC =221-20014
E6C
All locations I$$nit#
Con(cte( o* Freenc#
IEC =0<33
IEC =1000-@-1=
er)or$ance criterion AElectrical Fast TransientBrstIEC =1000-=-2 14 or IEC =0<33
IEC =1000-@-@er)or$ance criterion B
Con(cte( Ra(io Freenc#IEC =1000-=-2 14 or IEC =0<33
IEC =1000-@-=er)or$ance criterion A
Ra(iate( Electro$a%netic Fiel(IEC =1000-=-2 14 or IEC =0<33
IEC =1000-@-3er)or$ance criterion A
Electrostatic Disc.ar%eIEC =1000-=-2 14 or IEC =0<33
IEC =1000-@-2er)or$ance criterion B
Electrical Slo* Transient Sr%e IEC=1000-=-2 14
IEC=1000-@-<er)or$ance criterion B
eneral &o*er(istri"tion one E$ission
Ra(iate(IEC =1000-=-@ 14 or IEC =0<33 class A
CISR 1=
Con(cte(IEC =1000-=-@ 14 or IEC =0<33 class A
CISR 1=
Bri(%e an( O&enDec! one
E$ission
Ra(iate(IEC =0<33 class B or IEC =0G@<
CISR 1=
Con(cte(IEC =0<33 class B or IEC =0G@<
CISR 1=
14 I) t.e ei&$ent is co'ere( "# an IEC &ro(ct stan(ar(, t.e &ro(ct stan(ar( s.all "e se(+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.& +6uipment in *eneral age 30
Table ":- T.e tests *or enclos'res
Parameters 7ocation #inimum e2uipment specification Test reference
In%ress &rotection
All location Accor(in% to Ta"le 10-1 IEC =0<2G
Fire inte%rit# All location Fla$e Retar(ant Re)+ ?@+1+3 "4 IEC =00G2-101
Sr)aceTe$&eratre All location 6a: G<UC, see li$itation in ?3+2
Corrosionresistance
Otsi(e IACS 8R E10 ite$ 124 IEC =00=-2-<2, salt $ist, test K",se'erit# 1+
8V ra(iationresistance
Otsi(e IEC =00=-2-< IEC =00=-2-<, test C )or 0 .ors
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.0 !witchgear and ontrolgear )ssemblies age 31
SECT%ON , SW%TCHGEAR AND CONTRO0GEAR ASSEM50%ES
! Constr'ction
!$! General
!$!$! Alicable stan&ar&s
a4 S*itc.%ear an( control%ear asse$"lies s.all %enerall# co$&l# *it. IEC =1@3G-1 an( IEC =00G2-302 )or lo* 'olta%e ei&$ent, an( IEC =221-200 )or .i%. 'olta%e ei&$ent+
"4 Electronic ei&$ent se( in s*itc.%ear an( control %ear s.all co$&l# *it. en'iron$ental reire$ents%i'en in DNV-OS-D202+
!$!$2 General
a4 All s*itc."oar( an( control %ear asse$"lies s.all "e sa)e a%ainst acci(ental toc.in% o) li'e con(ctors(rin% nor$al o&eration o) t.e s*itc."oar( or asse$"lies+
Re)+ SOAS C.+ II-1@<+24
"4 A lo* 'olta%e s*itc."oar( or an( control %ear asse$"l# s.all "e (esi%ne( to *it.stan( t.e s.ort circit)orces )or $ini$$ 1 s, create( "# t.e s.ort circit crrent an( $a%nit(e at t.e &articlar &oint o) t.e
s#ste$ *it.ot en(an%erin% t.e inte%rit# o) t.e oter s*itc."oar( enclosre+ For .i%. 'olta%e s*itc."oar(an( control %ear asse$"lies, see ?2+2+1+
c4 For s*itc.%ear constrcte( an( t#&e teste( in accor(ance *it. IEC =0@3G-1 sections can "e (esi%ne( to*it.stan( t.e s.ort-circit stress occrrin% on t.e loa( si(e o) t.e res&ecti'e s.ort-circit &rotecti'e (e'iceas state( in IEC =0@3G-1+ Ho*e'er, t.is re(ce( s.ort-circit le'el s.all not "e less t.an =0 o) t.e s.ortcircit ratin% o) t.e $ain "s"ars+
!$!$" Accessibilit.
a4 Instr$ents, .an(les, &s. "ttons or ot.er (e'ices t.at s.ol( "e accessi"le )or nor$al o&eration s.all "elocate( on t.e )ront o) s*itc."oar( an( control%ear asse$"lies+
"4 All ot.er &arts t.at $i%.t reire o&eration s.all "e accessi"le+ I) &lace( "e.in( (oors, t.e interior )ronts.all co$&l# *it. enclosre t#&e I 20+ .en locate( in s&aces accessi"le to non-ali)ie( &ersonnel, )ses
*it. accessi"le crrent-carr#in% &arts $a# "e &er$itte(, i) t.e (oor is loc!a"le+ O&eration in t.is conte:t$eans )or e:a$&le reset o) &rotecti'e (e'ices an( re&lace$ent o) control circit )ses insi(e t.e asse$"l#+
c4 Doors, "e.in( *.ic. ei&$ent reirin% o&eration is &lace(, s.all "e .in%e(+
(4 Hin%e( (oors, *.ic. s.all "e o&ene( )or o&eration o) ei&$ent, s.all "e &ro'i(e( *it. easil# o&erate(.an(les or si$ilar+ T.ere is also to "e arran%e$ents )or !ee&in% t.e (oors in o&en &osition+
e4 All sections o) s*itc."oar(s an( control%ear asse$"lies t.at reire $aintenance s.all "e accessi"le )or $aintenance *or!+
Inter&retation/
Nor$all#, all connections o) con(ctors, "s"ar oints an( $ec.anical )astenin% o) co$&onents an( "s"ars s.ol( "e accessi"le )or $aintenance+ I) t.e constrction (oes not allo* &erio(ical $aintenance,t.e asse$"l# s.ol( "e (esi%ne( )or $aintenance )ree o&eration (rin% a 20-#ear ser'ice li)e+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
!$!$, Materials
Fra$e*or!, &anels an( (oors are nor$all# to "e o) steel or al$ini$ allo#, an( s.all "e o) ri%i( constrction+
G'i&ance note>
S*itc.%ear an( asse$"lies constrcte( o) ot.er $aterials $a# "e acce&te( &ro'i(e( reire$ents in Sec+3 areco$&lie( *it.+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$- Circ'it searation
a4 T.ere s.all "e arran%e( a se&arate c"icle )or eac. %enerator, *it. )la$e retar(ant &artitions "et*een t.e(i))erent %enerator c"icles an( "et*een t.ese an( ot.er c"icles+ T.e &artitions s.all *it.stan( t.e e))ecto) an internal arc, an( &ro.i"it t.is )ro$ s&rea(in% to ot.er c"icles+
"4 Control%ear )or essential or i$&ortant cons$ers s.all "e se&arate( )ro$ eac. ot.er, an( )ro$ ot.er crrentcarr#in% &arts, "# )la$e retar(ant &artitions &ro'i(in% &rotection o) t.e c"icle in case o) an arcin% )alt
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.0 !witchgear and ontrolgear )ssemblies age 32
occrrin% in t.e nei%."orin% c"icle+ Alternati'el#, an arran%e$ent *it.ot )la$e retar(ant &artitions$a# "e acce&te(, &ro'i(e( t.e "s"ar is (i'i(e( *it. a circit "rea!er *it. s.ort circit &rotection, locate(in a se&arate c"icle+
T.e arran%e$ent s.all "e so t.at $aintenance *or! can "e carrie( ot in eac. nit *it.ot (an%er *.enisolate(+
c4 Control%ear )or non-i$&ortant cons$ers $a# "e installe( in a co$$on c"icle &ro'i(e( t.is c"iclecol( "e e))ecti'el# isolate(+
(4 Cons$er control%ear installe( in 6ain S*itc."oar(s s.all "e &lace( in c"icles se&arate( )ro$ all ot.er &arts o) t.e s*itc."oar( "# &artitions o) )la$e retar(ant $aterial+
e4 Ei&$ent )or (i))erent (istri"tion s#ste$s s.all "e &lace( in se&arate s*itc."oar(s &anels4, or s.all "ese&arate( )ro$ eac. ot.er "# &artitions clearl# $ar!e( *it. t.e actal 'olta%es an( s#ste$ i(enti)ications+
)4 S*itc.%ear an( control%ear asse$"lies s&&lie( "# (i))erent s&&l# s#ste$s s.all not "e &lace( in t.e sa$eenclosre+
%4 For se&aration (e to s#ste$ re(n(anc#, see Sec+2+
.4 Ei&$ent *it. 'olta%e a"o'e 1 !V s.all not "e installe( in t.e sa$e enclosre as lo* 'olta%e ei&$ent,nless se%re%ation or ot.er sita"le $easres are ta!en to ensre t.at access to lo* 'olta%e ei&$ent iso"taine( *it.ot (an%er+
Re)+ IACS 8R E11+24
i4 Eac. ot%oin% circit )ro$ a s*itc."oar( s.all "e &ro'i(e( *it. a s*itc. )or isolatin% &r&oses inaccor(ance *it. ?2+1+<+ I) re$ote )ro$ t.e cons$er, t.e s*itc.%ear s.all "e loc!a"le in t.e ;o))> &osition+For isolatin% &r&oses, a %ro& o) non-i$&ortant cons$ers $a# "e )e( )ro$ one co$$on s*itc.%ear+
4 On a (istri"tion "oar( t.is $lti&ole s*itc. $a# "e o$itte( *.en $a:i$$ =3 A )ses are se(+
G'i&ance note>
S*itc.in% o)) "# an a:iliar# circit *ill "e acce&te( &ro'i(e( t.at t.e o))Jcontrol s*itc. is &lace( in )ront o) t.erele'ant co$&art$ent an( a $anal o))-s*itc.in% $eans is &ro'i(e( *.en )ront (oor is o&ene(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$/ Han&rails
6ain an( E$er%enc# S*itc."oar(s an( ot.er s*itc.%ear an( control %ear asse$"lies reirin% o&eration s.all
.a'e .an(rails *it. an inslatin% sr)ace+G'i&ance note>
For s$all asse$"lies *it. si$&le o&eration .an(rails $a# "e o$itte(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$4 Na+elates an& +ar9ing
a4 S*itc.%ear an( control%ear asse$"lies s.all "e $ar!e( in accor(ance *it. %eneral reire$ents %i'en inSec+3 ?<+
"4 rotection (e'ices s.all "e &er$anentl# $ar!e( *it. 'olta%e, crrent an( "rea!in% ca&a"ilities+
c4 rotection (e'ices *it. a(sta"le settin%s s.all .a'e $eans t.at rea(il# i(enti)# t.e actal settin% o) t.e &rotecti'e (e'ice+
(4 Circit (esi%nation )or ot%oin% circits an( inco$in% )ee(ers s.all "e $ar!e( )or i(enti)ication+e4 T.e a&&ro&riate settin% o) o'erloa( &rotecti'e (e'ice )or eac. circit s.all "e &er$anentl# in(icate( at t.e
location o) t.e &rotecti'e (e'ice+
Re)+ SOAS Re%+ II-1@<+=+24
G'i&ance note>
A (oc$ent &lace( insi(e t.at asse$"l# *it. t.e (ata reire( in (4 an( e4 *ill "e acce&te(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$6 Clearance an& creeage &istances *or lo3 )oltage e7'i+ent
a4 T.e $ini$$ clearance an( cree&a%e (istances )or "are "s"ars in lo* 'olta%e ei&$ent are %i'en inTa"le @-1, an( s.all "e co$&lie( *it. *.en inslatin% $aterials *it. trac!in% in(e: 1< V are se(+
"4 Clearance or cree&a%e (istances lo*er t.an *.at is %i'en in Ta"le @-1 $a# "e acce&te( as lon% as t.e)ollo*in% con(itions are $et/
$ini$$ clearance (istance s.all "e $$, $ini$$ cree&a%e (istance s.all "e 1= $$ t.e asse$"l# .as "een t#&e teste( *it. i$&lse 'olta%e test in accor(ance *it. IEC =1@3G-1
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.0 !witchgear and ontrolgear )ssemblies age 33
$a:i$$ o&eratin% te$&eratre o) "s"ars s.all "e (oc$ente( to "e acce&ta"le *it. res&ect to )i:in%$aterials an( internal te$&eratre "# a )ll crrent t#&e test
$a:i$$ te$&eratre rise at ter$ination &oints )or e:ternal ca"les s.all "e =0C
!$!$8 Clearance an& creeage &istances *or high )oltage e7'i+ent
a4 T.e $ini$$ clearance (istance in .i%. 'olta%e ei&$ent s.all "e sita"le )or t.e rate( 'olta%e .a'in%re%ar( to t.e natre o) t.e inslatin% $aterial an( t.e transient o'er 'olta%es (e'elo&e( "# s*itc.in% an()alt con(itions+ T.is reire$ent $a# "e )l)ille( "# s"ectin% eac. asse$"l# t#&e to an i$&lse 'olta%et#&e test accor(in% to Ta"le @-3+ Alternati'el#, $aintainin% t.e $ini$$ (istances %i'en in Ta"le @-2+
"4 6ini$$ cree&a%e (istances )or 6ain S*itc."oar(s an( %enerators are %i'en in Ta"le @-@, an( )or ot.er
ei&$ent in Ta"le @-<+c4 All inslatin% $aterials )or )i:in% an( carr#in% li'e &arts s.all .a'e trac!in% in(e: o) at least 300 V
accor(in% to IEC =0112+
(4 it.in t.e "s"ar co$&art$ent o) a s*itc.%ear asse$"l# t.e $ini$$ cree&a%e (istance s.all "e at least2< $$!V )or non stan(ar(ise( &arts+ Be.in( crrent li$itin% (e'ices t.e cree&a%e (istance s.all "e at least1= $$!V+Re)+ IACS E11 2+3+24
Table ,:! 0o3 )oltage b'sbar clearances or creeage bet3een hases incl'&ing ne'tralB an& bet3eenhases an& earth
Rated insulation voltage 8$ root mean s2uare or ($ +9-
#inimumclearances +mm-
#inimum creepage distances +mm-
8& to 2<0 V 1< 20
Fro$ 2<0 to =G0 V 20 2<
A"o'e =G0 V6a:i$$ 1 000 V4
2< 3<
Table ,:2 Clearances *or high )oltage e7'i+ent bet3een hases incl'&ingne'tralB an& bet3een hases an& earth
"ominal voltage of the system +9- 14 #inimum clearance distance for +mm-
#ain Switchboards and generators
'ther e2uipment
1 000 - 1 100 2< 2<
3 000 - 3 300 << <<
= 000 - = =00 G0 G0
10 000 - 11 000 120 120
A"o'e 11 000 J $a:i$$ 1< 000 1=0 1=0
14 Inter$e(iate 'ales *it. corres&on(in% (istances are acce&te(+
Table ,:" Alternati)e i+'lse )oltage t.e test
Rated voltageA*9B
6ighest voltage for e2uipment A*9B
Rated lightning impulse withstand voltageA*9B
3+03+3
3+= @0
=+0=+=
+2 =0
10+011+0
12+0 <
1<+0 1+< G<
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.0 !witchgear and ontrolgear )ssemblies age 34
2 (o3er circ'its
2$! (o3er co+onents in asse+blies
2$!$! Main b'sbar sectioning
See Sec+2 )or reire$ents re%ar(in% $ain "s"ar (i'ision arran%e$ent+
2$!$2 5'sbar +aterials
a4 Bs"ars an( ot.er con(ctors s.all nor$all# "e $a(e o) co&&er or co&&er co'ere( al$ini$+
"4 Co&&er coate( al$ini$ or &re al$ini$ "s"ar s.all "e a(eatel# &rotecte( a%ainst corrosion "# &lacin% in an air con(itione( en'iron$ent, "# s&ecial coatin% sealin% o) t.e al$ini$ or "# t.e al$ini$itsel) "ein% sea*ater resistant+
2$!$" Rating o* b'sbars
a4 T.e s.a&e, con)i%ration an( cross-section s.all "e sc. t.at t.e te$&eratre rise *ill not e:cee( @<UC atrate( loa(+
"4 Bs"ars an( ot.er con(ctors *it. t.eir s&&orts s.all "e so $ec.anicall# or t.er$all# (i$ensione( an()i:e( t.at t.e# can *it.stan( )or 1 s t.e )orces occrrin% "# t.e $a:i$$ s.ort circit crrent *.ic. canoccr *it.ot (etri$ental e))ect+
c4 T.e cross-section o) "s"ars )or netral connection on an AC t.ree-&.ase, )or-*ire s#ste$, an( )or ealiser connection on a DC s#ste$, s.all "e at least <0 o) t.e cross-section )or t.e corres&on(in%
&.ases &oles4+(4 For $a:i$$ te$&eratres o) "s"ars in t#&e teste( an( &artiall# t#&e teste( asse$"lies t.e reire$ent
in ?1+1+ a&&lies+
e4 T.e $a:i$$ &er$issi"le loa( )or co&&er "s"ars *it. a$"ient te$&eratre @<°C is %i'en in Ta"le @-=+
)4 Ratin% o) al$ini$ "s"ar to "e (oc$ente( "# t#&e test re&ort+
2$!$, F'ses
Fses s.all nor$all# co$&l# *it. one o) t.e )ollo*in% stan(ar(s/
IEC =02=G )or lo* 'olta%e )ses IEC =022-1 )or .i%. 'olta%e )ses+
2$!$- Circ'it brea9ers? on:loa& s3itches? &isconnectors? an& contactors
a4 S*itc.%ear an( control%ear s.all "e rate( as reire( "# Sec+2 ?+2+2, an( co$&l# *it./
IEC =0G@ )or lo* 'olta%e ei&$ent IEC =0@0, IEC =221-100, IEC =221-102 )or .i%. 'olta%e ei&$ent+
Table ,:, Mini+'+ creeage &istances *or high )oltage Main S3itchboar&s an& generators
"ominal voltage of the system +9- 14 #inimum creepage distance +for trac*ing inde3 ?- +mm-
? 9 ?C 9 9 D 9
1 000 - 1 100 2= 24 2@ 24 22 24 20 24
3 000 - 3 300 =3 <G <3 @
= 000 - = =00 113 10 GG G010 000 - 11 000 13 1< 1=2 1<0
14 Inter$e(iate 'ales *it. corres&on(in% (istances are acce&te(+
24 6ini$$ 3< $$ is reire( )or "s"ars an( ot.er "are con(ctors in 6ain S*itc."oar(s+
Table ,:- Mini+'+ creeage &istances *or other high )oltage e7'i+ent
"ominal voltage of the system +9- 1-
#inimum creepage distance +for trac*ing inde3 ?- +mm-
? 9 ?C 9 9 D 9
1 000 - 1 100 1 1 1< 1@
3 000 - 3 300 @2 @1 3 3=
= 000 - = =00 3 0 < 0
10 000 - 11 000 1@= 1@0 130 120
14 Inter$e(iate 'ales *it. corres&on(in% (istances are acce&te(+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.0 !witchgear and ontrolgear )ssemblies age 35
"4 All )alt s*itc.in% an( &rotectin% co$&onents sc. as circit "rea!ers an( )ses s.all .a'e a )alt crrent*it.stan( an( interr&tion ca&acit# o) not less t.an t.e $a:i$$ s.ort circit crrent at t.e rele'ant &ointo) t.eir installation+
c4 All loa( s*itc.es an( contactors s.all .a'e a ratin% not less t.an t.e $a:i$$ loa( crrent at t.eir &ointo) installation+ articlarl#, contactors s.all "e &rotecte( a%ainst t.e &ossi"ilit# o) t.e contactor "rea!in%crrent e:cee(in% t.eir loa( "rea! ca&acit# in )alt sitations+
(4 Fse s*itc.es sin% t.e )se ele$ent as $a!in% an( "rea!in% contacts are not acce&te( in &lace o) isolatin%s*itc.es, *.ere sc. are reire(+
e4 T.e constrction s.all "e sc. t.at acci(ental $a!in% or "rea!in%, case( "# t.e o))s.ore nitPs inclination,$o'e$ents, 'i"rations an( s.oc!s, cannot occr+
)4 8n(er'olta%e an( closin% coils, incl(in% contactor coils, s.all allo* closin% o) t.e s*itc.%ear an(control%ear *.en t.e 'olta%e an( )reenc# are < to 110 o) no$inal 'ale+ T.e n(er'olta%e &rotections.all release i) t.e 'olta%e is "elo* 0 or a"soltel# "elo* 3< o) no$inal 'olta%e+
%4 Eac. circit-"rea!er rate( $ore t.an 1= A s.all "e o) tri&-)ree t#&e, i+e+ t.e "rea!in% action initiate( "#s.ort-circit an( o'ercrrent rela#s, or "# n(er'olta%e coil, *.en )itte(, s.all "e )l)ille( in(e&en(entl#o) t.e &osition or o&eration o) $anal .an(le or o) ot.er closin% (e'ices+
2$!$/ %nternal 3iring
a4 Connections to)ro$ "s"ars to t.e s.ort circit &rotection s.all "e installe( s.ort-circit &roo), as (e)ine(in C.+1 Sec+1+ T.is reire$ent also a&&lies to "ranc.in% o)) )or control &o*er an( $easrin% si%nals )ro$
"s"ars an( %enerator ter$inals+
"4 Interconnection "et*een "s"ars s.all "e s.ort circit &rotecte( accor(in% to Sec+2 ?+2+1 i) t.e len%t. o) t.e ca"le*ire)le:i"le "s"ar e:cee(s 3 $+
c4 S*itc."oar( *ires s.all as a $ini$$ "e inslate( sin%le core *ires nless se( in a s.ort circit &roo)
installation reirin% (o"le inslatin% *ires or con(ctors+
Table ,:/ Rating o* coer b'sbars
;ith 3thic*ness
+mm-
#a3imum permissible loading A8B with / 65
Painted +matt%blac*- )are
"umbers of bars "umbers of bars
1]
2]]
3]]]
@]] ]]
1]
2]]
3]]]
@]] ]]
1< × 3 230 3G0 @0 - 200 3<0 @@< -
20 × 3 2G0 @< <=0 - 2<0 @30 <3<
20 × < 3G< =G0 G00 - 3@0 =20 << -
20 × 10 =1< 1 1@< 1 =3< - <30 1 020 1 @=0 -
2< × 3 3<< <0 =<0 - 300 <10 =1< -
2< × < @< 20 1 0@0 - @0< 2< G< -
30 × 3 @1< =0 3< - 3<0 <G0 00 -
30 × < <<< G@0 1 10 - @0 30 1 110 -
30 × 10 3< 1 @< 2 00 - 10 1 310 1 3< -
@0 × < 10 1 10 1 @10 - <G< 1 03< 1 3<0 -
@0 × 10 1 0<0 1 20 2 @0 3 1G< < 1 =00 2 1G< 2 2<
<0 × < =0 1 @10 1 =@< 2 @G0 20 1 230 1 <=0 2 30
<0 × 10 1 2=0 2 130 2 < 3 =<< 1 0<< 1 0 2 <30 3 220
=0 × < 1 020 1 =@< 1 0 2 =0 <0 1 @2< 1 < 2 @0
=0 × 10 1 @=0 2 @30 3 23< @ 0< 1 220 2 130 2 <0 3 <G<
0 × < 1 320 2 00 2 2=< 3 <0< 1 0G< 1 G< 2 10 3 30
0 × 10 1 =0 2 G< 3 G30 @ 0 1 <3< 2 =1< 3 @=0 @ 2<
100 × 10 2 2@0 3 <30 @ =10 < =1< 1 @< 3 0< @ 0@0 @ G3<120 × 10 2 =1< @ 0=0 < 2G0 = 3=0 2 1<< 3 <@< @ =3< < <0
Note/ T.e crrent ratin% is "ase( on @<UC a$"ient air te$&eratre+ S))icient 'entilation $st "e ensre(, or t.e loa(in% 'ales s.all "e re(ce(+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.0 !witchgear and ontrolgear )ssemblies age 4$
G'i&ance note>
In (istri"tions "oar(s *.ere t.e connections $entione( in a4 are s))icientl# &rotecte( "# &strea$ s.ort circit &rotection (e'ices, t.e reire( s.ort circit &roo) installation $a# "e e:e$&te(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$!$4 Screening o* hori<ontall. installe& b'sbars
Horiontall# installe( "s"ars an( "are con(ctors or connections s.all "e &rotecte( "# screens, i) t.e# are &lace( sc. t.at t.ere col( "e a ris! o) an#t.in% )allin% (o*n on t.e$+
2$!$6 Clearance an& creeage &istances
See ?1+1+ )or clearance an( cree&a%e (istances in s*itc.%ear an( asse$"lies+
2$2 A&&itional re7'ire+ents *or high )oltage asse+blies
2$2$! General &esign an& constr'ction
a4 Hi%. 'olta%e s*itc.%ear an( control%ear asse$"lies s.all "e $etal-cla( in accor(ance *it. IEC =221-200, or o) a constrction %i'in% ei'alent sa)et# *it. res&ect to &ersonnel sa)et# an( s#ste$ inte%rit#+ T.e.i%. 'olta%e s*itc.%ear an( control %ear s.all "e a"le to *it.stan( an internal s.ort circit arcin% )ailre*it. t.e $a:i$$ (ration an( $a%nit(e, *.ic. can occr on t.e &articlar &oint o) t.e installation
*it.ot .ar$)l e))ect to o&erators+ "4 Hi%. 'olta%e s*itc.%ear an( control %ear s.all "e t#&e teste( to (e$onstrate t.at it *ill *it.stan( t.e
e))ects o) an internal arc )ailre e+%+ testin% in accor(ance *it. A&&en(i: A o) IEC =221-200 T#&e A,Accessi"ilit# A *it. arcin% ti$e 1 s nless &ressre relie) )la&s .a'e "een &ro'en e))ecti'e+ T.en arcin%ti$e as lo* as 0+1 s is acce&te(4+
G'i&ance note>
Accessi"ilit# A i$&lies access onl# "# instrcte( &ersonnel, an( t.at sa)e o&eration onl# is in )ront o) t.e s*itc."oar(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$2$2 T.ere s.all "e se&arate co$&art$ents *it. I ratin% to at least I 20 to*ar(s ot.er co$&art$ents in t.ec"icle )or at least t.e )ollo*in% co$&onents/
control an( a:iliar# (e'ices eac. $ain s*itc.in% (e'ice co$&onents connecte( to one si(e o) t.e $ain s*itc.in% (e'ice t.e ot%oin% circit4 co$&onents connecte( to t.e ot.er si(e o) t.e $ain s*itc.in% (e'ice t.e "s"ars4+
Nor$all#, &artitions "et*een t.e co$&art$ents s.all "e $a(e o) $etal+ Alternati'el#, a &artition o) ot.er $aterials not inten(e( to "e eart.e( is acce&te(, &ro'i(e( it is 'eri)ie( t.at t.e sa)et# is o) at least t.e sa$estan(ar(+
2$2$" I) t.e $ain .i%.-'olta%e s*itc.%ear is s"(i'i(e( into t*o in(e&en(ent an( atono$os installations, acontinos "s"ar co$&art$ent is &er$issi"le, &ro'i(e( t.at a &rotection s#ste$ arc $onitor, "s"ar (i))erential &rotection4 is installe( *.ic. (etects internal )alts an( isolates t.e a))ecte( &art o) t.e installation*it.in 100 $s, res&ecti'el# acci(ental arcin% is relia"le &re'ente( "# (esi%n $easres e+%+ soli( inslate(
"s"ar s#ste$s4+
2$2$, 6eans s.all "e &ro'i(e( )or t.e (isconnection an( isolation o) all circit "rea!ers an( )se( circit "rea!ers, eit.er "# sin% *it.(ra*a"le co$&onents or "# installation o) se&arate (isconnectors isolators4+
G'i&ance note>
For )inal )ee(er circits *.ere ener%isin% o) t.e $ain s*itc.in% (e'ice )ro$ t.e loa( si(e is not &ossi"le, t.e ca"leter$inals an( accessories e+%+ 'olta%e an( crrent trans)or$ers4 $a# "e &lace( in t.e sa$e co$&art$ent as t.e $ains*itc.in% (e'ice+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$2$- #echanical interloc*s
a4 T.e arran%e$ent in .i%. 'olta%e enclosres s.all "e sc. t.at all o&eration an( )nctional testin% issa)e%ar(e( a%ainst acci(ental toc.in% o) li'e &arts+
"4 Doors t.at can "e o&ene( )or o&eration or testin% o) .i%. 'olta%e &arts e+%+ )or re&lace$ent o) )ses, or )or )nctional testin% o) a circit "rea!er4 s.all "e interloc!e( so t.at t.e# cannot "e o&ene( "e)ore t.eco$&onents insi(e .a'e "een isolate( an( $a(e sa)e+
c4 T.e o&enin%s "et*een t.e contacts o) a *it.(ra*a"le .i%. 'olta%e co$&onent an( t.e )i:e( contacts, to*.ic. it is connecte( in ser'ice, s.all "e &ro'i(e( *it. ato$atic s.tters+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.0 !witchgear and ontrolgear )ssemblies age 4%
G'i&ance note>
Front (oors o) circit "rea!er co$&art$ents $i%.t "e o&ene( )or circit "rea!er c.ec!in% or e$er%enc# s*itc.in%,*it.ot an# interloc!in%, i) .i%. 'olta%e &arts still cannot "e reac.e( "# acci(ental toc.in% o) t.e .an(s+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$2$/ Control 3iring
a4 T.e *irin% o) a:iliar# circits s.all, *it. t.e e:ce&tion o) s.ort len%t.s o) *ire at ter$inals o) instr$enttrans)or$ers, tri&&in% coils, a:iliar# contacts etc+, "e eit.er se%re%ate( )ro$ t.e $ain circit "# eart.e($etallic &artitions e+%+ $etallic t"es4 or se&arate( "# &artitions e+%+ t"es or s.eat.e( ca"les4 $a(e o) )la$e retar(ant inslatin% $aterial+
"4 Fses o) a:iliar# circits, ter$inals an( ot.er a:iliar# a&&arats reirin% access *.ile t.e ei&$ent isin ser'ice, s.all "e accessi"le *it.ot e:&osin% .i%. 'olta%e &arts+
c4 An alar$ s.all "e arran%e( )or 'olta%e loss a)ter t.e last )ses in eac. a:iliar# &o*er s#ste$, *.ere a'olta%e )ailre is not sel)-(etectin%+
(4 A &ossi"ilit# )or $anal o&eration o) eac. circit "rea!er s.all "e arran%e(+ Ho*e'er, $anal closin% o) t.e circit "rea!ers s.all not "e &ossi"le i) t.e arran%e$ent o) t.e a:iliar# circits is sc. t.at t.e
&rotection (e'ices are &t ot o) action an( t.e circit "rea!ers are still close( a)ter a &o*er )ailre to t.ea:iliar# circits+
2$2$4 Sa*et. earthing o* high )oltage circ'its
Eac. circit s.all "e )itte( *it. an inte%ral $eans o) eart.in% an( s.ort circitin% )or $aintenance &r&oses, or alternati'el# an a(eate n$"er o) &orta"le eart.in% an( s.ort circitin% (e'ices, sita"le )or se on t.eei&$ent in estion, s.all "e !e&t on "oar(+
" Control an& rotection circ'its
"$! Control an& instr'+entation
"$!$! General
a4 Reire$ents )or &o*er s&&l# an( (istri"tion o) control circits are %i'en in Sec+2 ?+2+
"4 For s.ort circit &roo) installation o) control ca"les, see ?2+1+=+
"$!$2 Control o* &'licate& cons'+ers
a4 Control circits )or (&licate( essential an( i$&ortant ei&$ent s.all "e !e&t se&arate( )ro$ eac. ot.er,an( not locate( in t.e sa$e enclosre+
"4 Control%ear )or (&licate( essential or i$&ortant ei&$ent s.all "e $tall# in(e&en(ent an( s.all "e(i'i(e( "et*een t*o $otor control centres or (istri"tion "oar(s .a'in% se&arate s&&lies )ro$ (i))erentsi(es o) t.e 6ain S*itc."oar( an(or t.e E$er%enc# S*itc."oar(+
c4 .ere s*itc."oar(s are )itte( *it. "s ties or "s lin!s, t.e (&licate( circits s.all "e )e( )ro$ (i))erentsi(e o) t.e "s tie+
(4 D&licate( ei&$ent )or essential or i$&ortant )nctions s.all not "e (e&en(ent on an# co$$on circitssc. as e+%+ contactors )or e$er%enc# sto&+
"$!$" Signal la+s
Incan(escent si%nal la$&s s.all "e arran%e( so t.at a la$& s.ort circit cannot eo&ar(ise t.e control s#ste$+
"$!$, (anel:instr'+ents in general
a4 Instr$ents, incl(in% crrent trans)or$ers, in s*itc.%ear an( control%ear s.all .a'e a no$inal accrac#o) 2+< or "etter+
"4 T.e &&er li$it o) t.e scale o) a$&ere-$eters an( !ilo*att-$eters s.all "e at least 130 o) t.e rate( )llloa( o) t.e circit+ For %enerators arran%e( )or &arallel o&eration, t.e scale s.all "e arran%e( )or rea(in% o) re'erse crrent or &o*er corres&on(in% to at least 1< o) t.e rate( )ll loa( o) t.e circit+ T.e &&er li$ito) t.e scale o) eac. 'olt$eter s.all "e at least 120 o) t.e no$inal 'olta%e+
c4 A$&ere $eters, !ilo*att $eters an( 'olt$eters s.all "e &ro'i(e( *it. $eans to in(icate rate( crrent or &o*er an( rate( 'olta%e, res&ecti'el#+ Instr$ents s.all .a'e e))ecti'e screenin% e+%+ "# $etal enclosres4in or(er to (i$inis. )alt# rea(in%s case( "# in(ction )ro$ a(acent crrent-carr#in% &arts+
(4 Freenc# $eters s.all "e a"le to in(icate 'ales *it.in a ran%in% at least "elo* an( a"o'e t.e no$inal)reenc#+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.0 !witchgear and ontrolgear )ssemblies age 4&
,$!$, (o3er *re7'enc. an& ins'lation resistance test *or lo3 )oltage s3itchgear an& controlgearasse+blies
a4 S*itc.%ear an( control %ear asse$"lies s.all "e s"ect to a a &o*er )reenc# *it.stan( 'olta%e test "et*een t.e circits an( "et*een li'e &arts an( t.e enclosre+ T.e test 'olta%e s.all "e as %i'en in Ta"le@- an( Ta"le @-+ T.e test 'olta%e s.all "e a&&lie( )or at least < s at an# )reenc# "et*een @< an( =< H+
"4 Inslation resistance s.all "e $easre( &rior to an( on co$&letion o) t.e 'olta%e test+ Inslation resistance
test 'olta%es an( acce&tance 'ales are %i'en in Ta"le <-@+ It s.all "e 'eri)ie( t.at t.e 'olta%e testin% (oesnot case an# re(ction in s*itc.%ear inslation le'el+ T.e inslation le'el s.all "e at least 1 6O.$+
G'i&ance note>
Electronic ei&$ent s.ol( "e (isconnecte(, s.ort circite( an( or isolate( (rin% .i%. 'olta%e test an( inslationresistance $easrin%+
T.e secon(ar# *in(in% o) crrent trans)or$ers s.ol( "e s.ort circite( an( (isconnecte( )ro$ eart. (rin% t.e test+T.e secon(ar# *in(in% o) 'olta%e trans)or$ers s.ol( "e (isconnecte( (rin% t.e test+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$!$- 1eri*ication o* creeage an& clearance &istances
Clearance an( cree&a%e (istances s.all "e 'eri)ie( to "e at least as %i'en in Ta"le @-1 to Ta"le @-<+
,$!$/ (o3er *re7'enc. test *or high )oltage asse+blies
a4 Eac. .i%. 'olta%e asse$"l# s.all "e s"ecte( to a 1 $inte &o*er )reenc# 'olta%e test+ "4 Re&licas re&ro(cin% t.e )iel( con)i%ration o) t.e .i%. 'olta%e connections $a# re&lace 'olta%e
trans)or$ers or &o*er trans)or$ers+ O'er'olta%e &rotecti'e (e'ices $a# "e (isconnecte( or re$o'e(+
c4 Test 'olta%es are %i'en in Ta"le @-G+
(4 Inslation resistance s.all "e $easre( &rior to an( on co$&letion o) t.e 'olta%e test+ Inslation resistancetest 'olta%es an( acce&tance 'ales are %i'en in Ta"le <-@+ It s.all "e 'eri)ie( t.at t.e 'olta%e testin% (oesnot case an# re(ction in s*itc.%ear inslation le'el+
e4 All a:iliar# circits s.all "e s"ecte( to a 1 $inte 'olta%e test "et*een t.e circits an( t.e enclosreaccor(in% to ?@+1+@+
G'i&ance note>
T.e en'iron$ental con(itions (rin% 'olta%e tests are nor$all# to "e as s&eci)ie( in IEC =00=01, ;Hi%.-'olta%e test
tec.nies, art 1, eneral (e)initions an( test reire$ents>, t.at is te$&eratre 20UC, &ressre 1 013 $"ar an(.$i(it# 11 % *ater &er $\ corres&on(in% to a"ot =0 relati'e .$i(it#4+ Correction )actors )or test 'olta%es atot.er en'iron$ental con(itions are %i'en in IEC =00=01+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
Table ,:4 (o3er:*re7'enc. 3ithstan& )oltage *or +ain circ'its
Rated insulation voltage
+line to line a.c. or d.c-9
(ielectric test voltage
a.c. r.m.s.9
(ielectric test voltage =-
d.c.9
Z =0 1000 1@1<
=0 J 300 1<00 2120
300 J =G0 1G0 2=0
=G0 J 00 2000 230
00 J 1000 2200 3110
1000 J 1<00 14 NA 320
14 For (+c+ onl#
24 Test 'olta%es "ase( on IEC =1@3G-1 Ta"le +
Table ,:6 (o3er:*re7'enc. 3ithstan& )oltage *or a';iliar. an& control circ'its
Rated insulation voltage+line to line-
9
(ielectric test voltagea.c.
r.m.s.9
Z12 2<0
12 J =0 <00
=0 Z See ta"le D1+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.0 !witchgear and ontrolgear )ssemblies age 40
,$!$4 Onboar& testing
S*itc.%ear or control %ear asse$"lies s.all "e s"ect to co$&lete )nction tests a)ter installation on"oar(+ SeeSec+10 ?@+
Table ,:8 Test )oltages *or high )oltage asse+blies
"ominal voltage of the system +*9- 14 1 minute power fre2uency test voltage +*9-+root mean s2uare value-
To earth and between phases
1 - 1+1 2+
3 - 3+3 10= - =+= 20
10 J 11 2
1< 3
14 Inter$e(iate 'ales )or test 'olta%es $a# "e acce&te(, ot.er t.an t.ese stan(ar( test 'olta%es+
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h.# !ec.1 otating 7achines age 41
SECT%ON - ROTAT%NG MACH%NES
! General
!$! Re*erences
!$!$! GeneralT.e (esi%n an( )nction o) rotatin% $ac.ines s.all %enerall# co$&l# *it. t.e reire$ents o) IEC =00G2-301+For "asic $ac.ine (esi%n, t.e rele'ant &arts o) IEC =003@ a&&l#+
!$2 Re7'ire+ents co++on to generators an& +otors
!$2$! Rating
a4 Electrical $ac.ines, incl(in% an# e:citation s#ste$, s.all "e (esi%ne( )or continos (t# nlessot.er*ise clearl# state(+
"4 enerall#, $a:i$$ en'iron$ental te$&eratres )or rotatin% $ac.ines s.all "e as %i'en in Ta"le 3-1+
!$2$2 %ns'lation
a4 All *in(in%s )or $ac.ines s.all "e treate( to resist $oistre, sea air, an( oil 'a&ors+
"4 For %eneral reire$ents )or inslation $aterials an( ter$inations, see Sec+3 ?@+
!$2$" Te+erat're rise in 3in&ings ins'lationB
T.e $a:i$$ &er$issi"le te$&eratre rise in *in(in%s is %i'en in Ta"le <-1, *it. t.e )ollo*in% e:ce&tions/
a4 I) t.e te$&eratre o) t.e coolin% $e(i$ *ill "e &er$anentl# lo*er t.an t.e 'ales %i'en in Sec+3 ?2+3,t.en t.e &er$issi"le te$&eratre rise $a# "e increase( *it. t.e (i))erence "et*een t.e actal te$&eratrean( t.e te$&eratre %i'en in Sec+3 ?2+3+ 6a:i$$ acce&ta"le increase is 20UC+
"4 I) t.e a$"ient te$&eratres clearl# e:cee( t.e $a:i$$ &&er li$its, t.en t.e te$&eratre rises s.all "e(ecrease( accor(in%l#+
c4 In Ta"le <-1 allo*ance .as "een $a(e )or t.e te$&eratre in certain &arts o) t.e $ac.ine "ein% .i%.er t.an
$easre(+ T.e te$&eratres at sc. ;.ot s&ots> are ass$e( not to e:cee( t.e 'ales %i'en in Ta"le 3-2+
(4 For o))s.ore nits *it. class notation restrictin% t.e ser'ice to non-tro&ical *aters t.e (esi%n li$its )or te$&eratre rises %i'en in Ta"le <-1 $a# "e increase( "# 10°C+ Alternati'el#, t.e &&er a$"ient air te$&eratre li$its accor(in% to Ta"le <-1 $a# "e re(ce( "# 10UC+
e4 .ere *ater coole( .eat e:c.an%ers are se( in t.e $ac.ine coolin% circit, t.e te$&eratre rise s.all "e$easre( *it. res&ect to t.e te$&eratre o) t.e coolin% *ater at t.e inlet to t.e .eat e:c.an%er+Te$&eratre rises %i'en in Ta"le <-1 $a# "e increase( "# 13°C &ro'i(e( t.e inlet *ater (oes not e:cee(32°C+
)4 I) inlet *ater te$&eratre is a"o'e 32°C, &er$issi"le te$&eratre rise in Ta"le <-1 $a# "e increase( "#13°C an( t.en re(ce( "# t.e a$ont "# *.ic. t.e $a:i$$ coolin% *ater te$&eratre e:cee(s 32°C+
%4 I) t.e inlet coolin% *ater te$&eratre is &er$anentl# less t.an 32°C, t.e &er$issi"le te$&eratre rise in
Ta"le <-1 $a# "e increase( "# 13°C an( $a# "e )rt.er increase( "# an a$ont not e:cee(in% t.e a$ont "# *.ic. t.e coolin% te$&eratre is less t.an 32°C+
.4 For $ac.ines *it. inslatin% class 220 t.e te$&eratre rise *ill "e e'alate( in eac. case+
Table -:! 0i+its o* te+erat're rise o* +achines *or o**shore 'nits *or 'nrestricte& ser)ice base& ona+bient te+erat're o* ,-C
Part of machine 14 #ethod ofmeasurement oftemperature 24
#a3imum temperature rise in for air%cooledmachines +E$-
Insulation class
A B & 6 8
1+
a4 AC *in(in% o) $ac.ine .a'in% ot&t o) < 000!VA or $ore
ETDR
=0<<
-34
-0<
10<100
12<120
"4 AC *in(in% o) $ac.ine .a'in% ot&t o) less
t.an < 000 !VA
ETD
R
=0
<<
-
0
<
<
10<
100
12<
120
2+in(in% o) ar$atre *it. co$$tators R
T<<@<
0=0
<=<
1000
120100
3+Fiel( *in(in% o) AC an( DC $ac.ine *it.e:citation ot.er t.an t.ose in ite$ @+
R T
<<@<
0=0
<=<
1000
120100
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.1 otating 7achines age 42
!$2$, Machine short ti+e o)erloa&s
a4 eneral &r&ose rotatin% $ac.ines s.all "e (esi%ne( to *it.stan( t.e )ollo*in% e:cess tore/
AC in(ction $otors an( DC $otors/ =0 in e:cess o) t.e tore t.at corres&on(s to t.e ratin%, )or 1<s, *it.ot stallin% or a"r&t c.an%e in s&ee( n(er %ra(al increase o) tore4, t.e 'olta%e an()reenc# "ein% $aintaine( at t.eir rate( 'ale
AC s#nc.ronos $otors *it. salient &oles/ <0 in e:cess o) t.e tore t.at corres&on(s to t.e ratin%,)or 1< s, *it.ot )allin% ot o) s#nc.ronis$, t.e 'olta%e, )reenc# an( e:citation crrent "ein%$aintaine( at t.eir rate( 'ales
AC s#nc.ronos $otors *it. *on( in(ction4 or c#lin(rical rotors/ 3< in e:cess o) t.e tore t.atcorres&on(s to t.e ratin%, )or 1< s, *it.ot losin% s#nc.ronis$, t.e 'olta%e an( )reenc# "ein%$aintaine( at t.eir rate( 'ale+
"4 In(ction $otors )or s&eci)ic a&&lications t.e e:cess tore $a# "e s"ect to s&ecial a%ree$ent+ See IEC=003@-1 clase G+3+
c4 eneral &r&ose rotatin% $ac.ines s.all "e (esi%ne( to *it.stan( t.e )ollo*in% e:cess crrent/
AC %enerators/ <0 in e:cess o) t.e rate( crrent )or not less t.an 30 s, t.e 'olta%e an( )reenc# "ein%$aintaine( as near t.e rate( 'ales as &ossi"le
AC $otors/ <0 in e:cess o) t.e rate( crrent )or not less t.an 120 s, t.e 'olta%e an( )reenc# "ein%$aintaine( as near t.e rate( 'ales as &ossi"le
co$$tator $ac.ines/ <0 in e:cess o) t.e rate( crrent )or not less t.an =0 s, o&eratin% at .i%.est)ll-)iel( s&ee(+
!$2$- 5alance
6ac.ines s.all "e so constrcte( t.at, *.en rnnin% at an# an( e'er# *or!in% s&ee(, all re'ol'in% &arts are*ell "alance(+
!$2$/ 0'brication
a4 "rication o) rotatin% $ac.ines s.all "e e))ecti'e n(er all o&eratin% con(itions+
"4 Eac. sel)-l"ricate( slee'e "earin%s s.all "e )itte( *it. an ins&ection li( an( $eans )or 'isal in(icationo) oil le'el or se o) an oil %a%e+ Si$ilar reire$ent a&&lies to sel) containe( oil l"ricate( roller "earin%s+
c4 ro'ision s.all "e $a(e )or &re'entin% t.e l"ricant )ro$ %ainin% access to *in(in%s or ot.er inslate( or "are crrent-carr#in% &arts+
@+
a4 Fiel( *in(in%s o) s#nc.ronos $ac.ines *it.c#lin(rical rotors .a'in% DC e:citation
R < 10< 130
"4 Stationar# )iel( *in(in%s o) DC $ac.ines.a'in% $ore t.an one la#er
ETDR T
<<@<
0=0
<<=<
10<1000
130120100
c4 o* resistance )iel( *in(in%s o) AC an( DC$ac.ines an( co$&ensatin% *in(in%s o) DC$ac.ines .a'in% $ore t.an one la#er
R, T << 0 < G< 120
(4 Sin%le-la#er *in(in%s o) AC an( DC$ac.ines *it. e:&ose( "are sr)aces or'arnis.e( $etal sr)aces an( sin%leco$&ensatin% *in(in%s o) DC $ac.ines
R, T =0 < < 10< 130
14 Te$&eratre rise o) an# &art o) a $ac.ine s.all in no case reac. sc. a 'ale t.at t.ere is a ris! o) inr# to an# inslatin% or ot.er$aterial in a(acent &arts+
24 R in(icates te$&eratre $easre$ent "# t.e resistance $et.o(, T t.e t.er$o$eter $et.o( an( ETD t.e e$"e((e( te$&eratre(etector $et.o(+ In %eneral )or $easrin% t.e te$&eratre o) t.e *in(in%s o) a $ac.ine t.e resistance $et.o( s.all "e a&&lie(+See IEC =003@-14+ For stator *in(in%s o) $ac.ines .a'in% a rate( ot&t o) < 000 ! or !VA4 t.e ETD $et.o( s.all "e se(+Deter$ination "# ETD $et.o( reires not less t.an si: (etectors sita"l# (istri"te( t.ro%.ot t.e *in(in%+ Hi%.est rea(in%s.all "e se( to (eter$ine t.e te$&eratre )or t.e *in(in%+
34 For .i%. 'olta%e $ac.ines .a'in% rate( ot&t o) < 000 !VA or $ore, or .a'in% a core len%t. o) 1 $ or $ore, t.e $a:i$$te$&eratre rise )or class E inslation s.all "e (ecrease( "# <C+
Table -:! 0i+its o* te+erat're rise o* +achines *or o**shore 'nits *or 'nrestricte& ser)ice base& ona+bient te+erat're o* ,-C
Part of machine 14 #ethod ofmeasurement oftemperature 24
#a3imum temperature rise in for air%cooledmachines +E$-
Insulation class
A B & 6 8
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.1 otating 7achines age 43
!$2$4 Sha*ts an& sha*t c'rrents
a4 S.a)ts s.all co$&l# *it. t.e reire$ents in DNV-OS-D101 "ot. *it. re%ar( to stren%t., "earin%s an( "alancin%+
"4 6eans s.all "e &ro'i(e( to &re'ent (a$a%in% le'els o) circlatin% crrents "et*een s.a)t, "earin%s an(connecte( $ac.iner#+
c4 .en all "earin%s on a $ac.ine are inslate(, t.e s.a)t s.all "e electricall# connecte( to t.e $ac.inePseart. ter$inal+
!$2$6 Machine o)ersee&
Rotatin% $ac.ines s.all "e ca&a"le o) *it.stan(in% 1+2 ti$es t.e rate( $a:i$$ s&ee( )or a &erio( o) 2$intes+
!$2$8 Na+elate
Eac. $ac.ine s.all "e &ro'i(e( *it. na$e&late o) (ra"le $aterial, %i'in% t.e )ollo*in% in)or$ation/
$a!e, t#&e, serial no+ &er)or$ance stan(ar( I ratin% rate( 'ales )or/ ot&t a&&arent &o*er, 'olta%es4, )reenc#, crrents4, &o*er )actor, s&ee(
)or AC $ac.ines/ t.e *in(in% connection t.er$al classi)ication o) inslation (t# t#&e, i) ot.er t.an S1 $a:i$$ &er$issi"le coolin% $e(i$ te$&eratre tec.nical (ata necessar# )or t.e a&&lication o) t.e $ac.ine total $ass+
!$" %nstr'+entation o* +achines
!$"$! Te+erat're &etectors e+be&&e& in stator 3in&ing
o* 'olta%e $ac.ines .a'in% a rate( ot&t a"o'e < 000 ! or !VA4, all .i%. 'olta%e $ac.ines, an( all &ro&lsion $otors an( %enerators s.all "e &ro'i(e( *it. te$&eratre (etectors in t.eir stator *in(in%s, )or $onitorin% an( alar$, also see Sec+3 ?@+2+1+
G'i&ance note>For t.e reire$ents in re%ar( to te$&eratre (etectors, re)erence is $a(e to IEC =003@-11+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2 A&&itional re7'ire+ents *or generators
2$! General
2$!$! E:citer an( 'olta%e re%lation ei&$ent is consi(ere( as &art o) t.e %enerator+
G'i&ance note>
See DNV-OS-D101 re%ar(in% t.e &ri$e $o'ersP s&ee( %o'ernor c.aracteristics an( DNV-OS-D202 re%ar(in%instr$entation ei&$ent+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$!$2 A'to+atic )oltage reg'lator
T.e AVR s.all "e ca&a"le o) !ee&in% t.e 'olta%e *it.in t.e 'ales s&eci)ie( )or stationar# an( (#na$ic'ariations+
2$!$" A)ailable ne'tral oint
enerators *it. ratin% e:cee(in% 1 <00 !VA, an( all .i%. 'olta%e %enerators, s.all "e &re&are( )or installationo) ei&$ent )or s.ort circit &rotection o) t.e %enerator *in(in%s+
2$!$, De:e;citation
enerators *it. ratin% e:cee(in% 1 <00 !VA, an( all .i%. 'olta%e %enerators, s.all "e &re&are( )or e:ternal
si%nal )or initiation o) (e-e:citation o) t.e %enerator+
2$!$- 1oltage 3a)e*or+
For AC %enerators, t.e 'olta%e s.all "e a&&ro:i$atel# sinsoi(al, *it. a $a:i$$ (e'iation )ro$ t.esinsoi(al cr'e o) < o) t.e &ea! 'ale+
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h.# !ec.1 otating 7achines age 44
2$2 1oltage an& *re7'enc. reg'lation
2$2$! 1oltage b'il&:'
a4 T.e constrction s.all nor$all# "e sc. t.at t.e %enerator, *.en starte( &, ta!es & t.e 'olta%e *it.ott.e ai( o) an e:ternal electric &o*er sorce+
"4 E:ternal &o*er sorces $a# "e se( to ta!e & t.e 'olta%e on $ain %enerators &ro'i(e( t.at re(n(anc#
)or t.is e:ternal sorce is arran%e( as reire( )or startin% arran%e$ent+
2$2$2 Stationar. )oltage reg'lation
a4 T.e 'olta%e re%lation s.all "e ato$atic, sita"le )or s.i&"oar( con(ition, an( sc. t.at t.e 'olta%e is !e&t*it.in G+< to 102+< o) t.e rate( 'olta%e n(er all stea(# loa( con(itions+ T.is is "et*een no-loa( an()ll-loa( crrent an( at all &o*er )actors *.ic. can occr in nor$al se, "t in an# case *it. &o*er )actor )ro$ 0+ to 0+G la%%in%, also ta!en into consi(eration t.e e))ect o) t.e &ri$e $o'erPs s&ee( c.aracteristic+
"4 T.ere s.all "e &ro'ision at t.e 'olta%e re%lator to a(st t.e %enerator no loa( 'olta%e+
c4 T.e li$its in a4 $a# "e increase( to ±3+< )or e$er%enc# sets+
2$2$" Transient )oltage reg'lation
a4 6a:i$$ 'ales crrent an( &o*er )actor4 o) s((en loa(s to "e s*itc.e( on an( o)) s.all "e s&eci)ie(+In case o) t.e a"sence o) &recise in)or$ation concernin% t.e $a:i$$ 'ales o) t.e s((en loa(s, =0 o) t.e rate( crrent *it. a &o*er )actor o) "et*een 0+@ la%%in% an( ero s.all "e se( )or T#&e Testin%+
"4 T.e 'olta%e 'ariations n(er transient con(itions s.all co$&l# *it. t.e )ollo*in%/
*.en t.e %enerator is rnnin% at no loa(, at no$inal 'olta%e, an( t.e s&eci)ie( s((en loa( is s*itc.e(on, t.e instantaneos 'olta%e (ro& at t.e %enerator ter$inals s.all not "e $ore t.an 1< o) t.e%enerators no$inal 'olta%e+
T.e %enerator 'olta%e s.all "e restore( to *it.in ±3 o) t.e rate( 'olta%e *it.in 1+< s+
*.en t.e s&eci)ie( s((en loa( is s*itc.e( o)), t.e instantaneos 'olta%e rise s.all not "e $ore t.an20 o) t.e rate( 'olta%e+
T.e %enerator 'olta%e s.all "e restore( to *it.in ±3 o) t.e rate( 'olta%e *it.in 1+< s+
c4 For non-&arallelin% e$er%enc# %eneratin% sets t.e re%lation li$its an( ti$e in "4 $i%.t "e increase( to±@ *it.in < s+
(4 On installations *.ere t*o or $ore %enerators are nor$all# rn in &arallel, t.e $a:i$$ loa( t.at can "es*itc.e( on $a# "e (i'i(e( "et*een t.e %enerators in relation to t.eir ratin% an( e:&ecte( $a:i$$ (t#as in(i'i(al %enerator+
e4 See DNV-OS-D101 )or reire$ents )or t.e %o'ernor o) a %enerator &ri$e $o'er+
G'i&ance note>
S&ecial consi(eration s.ol( "e %i'en to t.e o'er'olta%e t.at $a# occr *.en s*itc.in% o)) t.e %enerators at )ll loa(or o'erloa(+ T.is o'er'olta%e s.ol( not reac. a le'el t.at $a# (a$a%e &o*er s&&lies )or AVRs, n(er'olta%e coils,instr$ents etc+ connecte( on t.e %enerator si(e o) t.e %enerator circit "rea!er+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$" Generator short circ'it caabilities
2$"$! Short circ'it 3ithstan& an& contrib'tion caabilities
AC s#nc.ronos %enerators, *it. t.eir e:citation s#ste$s, s.all, n(er stea(# s.ort circit con(ition "e ca&a"leo) $aintainin%, *it.ot sstainin% an# (a$a%e, a s.ort circit crrent, *.ic. s.all "e at least 3 ti$es t.e rate()ll loa( crrent, )or a (ration o) at least 2 s+ Re)+ IEC =00G2-301 $o(i)ie( clase @+2+34
2$, (arallel oeration
2$,$! 0oa& sharing
a4 enerators )or &arallel rnnin% s.all "e sc. t.at t.e s.arin% o) acti'e an( reacti'e &o*er is sta"le n(er all loa( con(itions+ Oscillations s$aller t.an ±20 o) eac. %eneratorPs rate( crrent can "e acce&te(+
"4 In t.e ran%e 20 to 100 o) t.e rate( reacti'e loa( o) eac. %enerator, its actal reacti'e loa( $ean 'ale,i) oscillations occr4 s.all not (i))er )ro$ its &ro&ortionate s.are o) t.e total reacti'e loa( "# $ore t.an 10o) t.e rate( reacti'e loa( o) t.e lar%est %enerator in &arallel, or not $ore t.an 2< o) t.e s$allest%eneratorPs rate( reacti'e loa(, i) t.is is less t.an t.e )or$er+
c4 Reire$ent )or s.arin% o) acti'e &o*er is %i'en in DNV-OS-D101+
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G'i&ance note>
T.e s.arin% o) &o*er is $ainl# (eter$ine( "# t.e &ri$e $o'ersP %o'ernor c.aracteristics, to *.ic. )rt.er
reire$ents are %i'en in DNV-OS-D1014+ o*er oscillations, .o*e'er, are (eter$ine( "ot. "# t.e &ri$e $o'ersP
an( %eneratorsP c.aracteristics+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$,$2 (arallel oeration on nets 3ith earthe& ne'tral.en %enerators are rn in &arallel on nets *it. eart.e( netral, it s.all "e ensre( t.at t.e ealisin% crrent
resltin% )ro$ .ar$onics (oes not e:cee( 20 o) t.e rate( crrent o) eac. %enerator+
" %nsection an& testing
"$! General
"$!$! Factor. testing
a4 Electrical $ac.ines s.all "e teste( at t.e $an)actrers *or!s *it. t.e tests s&eci)ie( in t.is &art o) t.e
rles+ T#&e tests s.all "e carrie( ot on a &rotot#&e o) a $ac.ine or t.e )irst o) a "atc. o) $ac.ines+ Rotine
tests s.all "e carrie( ot on eac. $ac.ine+
"4 T.e t#&e tests TT4 an( rotine tests RT4 t.at t.e $ac.ines s.all n(er%o are liste( in Ta"le <-2+
Alternati'e test $et.o(s an( calclations $a# "e se( as state( in t.e %i(ance notes+ Alternati'e test
$et.o(s an( calclations $a# "e se( *.en (escri"e( in sita"le &roce(res+ Sc. &roce(res s.all "e
a&&ro'e(
c4 T.e tests in Ta"le <-2 s.all "e (oc$ente(+ T.e (oc$entation s.all %i'e in)or$ation on $a!e, t#&e, serial
no+, inslation class, all tec.nical (ata necessar# )or t.e a&&lication o) t.e $ac.ine, as *ell as t.e reslts
o) t.e reire( tests+
(4 T.e reslt o) t#&e tests, an( t.e serial n$"er o) t.e t#&e teste( $ac.ine, s.all "e s&eci)ie( in t.e
(oc$entation o) test reslts )or rotine tests+
Table -:2 Testing an& insection o* electrical +achines "o. Tas* Re2uired test for
generators Re2uired test for
motors
1E:a$ination o) tec.nical (oc$entation+Visal ins&ection+Veri)ication o) (ata on na$e &late+
TT, RT TT, RT
2 6easre$ent o) inslation resistance+ TT, RT TT, RT
3 6easre$ent o) *in(in% resistance+ TT, RT TT, RT
@ Veri)ication o) t.e 'olta%e re%lation s#ste$ TT, RT14
< Te$&eratre-rise test at )ll loa(+ TT TT
= O'erloa( or o'ercrrent test24 Re)+ IEC =003@-1G+3 an( G+@4+ TT TT
AC S#nc.ronos %enerator/ Veri)ication o) stea(# s.ort circit con(ition+ TT
O'ers&ee( test/ 20 in e:cess o) t.e rate( r+&+$+ )or 2 $intes+ TT, RT TT34, RT34
G Dielectric stren%t. test TT, RT TT, RT
10 No-loa( test TT, RT TT, RT@4
11 Veri)ication o) (e%ree o) enclosre &rotection I4+ TT TT
12 Veri)ication o) "earin%s TT, RT TT, RT
13
For .i%. 'olta%e $ac.ines a stee& )ronte( i$&lse test, or ei'alent, o) t.ecoil intertrn inslation s.all "e carrie( ot accor(in% to IEC =003@-1<+Tests on eac. se&arate )ll# &rocesse( coil a)ter insertin% in t.e slots are
&re)erre(+ De to 'arios tec.nolo%ies in'ol'e(, alternati'e &ro&osals to'eri)# *it.stan( le'el o) intertrn inslation $a# "e consi(ere(, e+%+ t#&e tests*it. )ll# &ro(ce( sa$&le coils+
RT RT
14 Onl# )nctional test o) 'olta%e re%lator s#ste$ (rin% Rotine test RT4, I+E+ 'eri)ication o) ?2+2+1 an( ?2+2+2+ For T#&e Testin%,
'eri)ication o) ?2+2+3 s.all "e &er)or$e(+24 O'erloa( test )or %enerators+ Test o) $o$entar# e:cess tore )or $otors+
34 Not a&&lica"le )or sirrel ca%e $otors
@4 Rotine test nee( not to "e &er)or$e( at rate( )reenc#, as lon% as t.e sa$e )reenc# also *as se( at t.e t#&e test+ T.e t#&etestin% s.ol( t.en "e &er)or$e( *it. "ot. rate( )reenc# an( t.e alternati'e )reenc#+
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Inter&retation/
14 O'ers&ee( test 4
Dielectric test to "e &er)or$e( on rotors a)ter o'ers&ee( test IEC =003@-1-G++
24 Veri)ication o) t.e 'olta%e re%latin% s#ste$ @4
It is to "e 'eri)ie( t.at t.e %enerator, to%et.er *it. its 'olta%e re%lation s#ste$, co$&lies *it. t.e
)nctional reire$ents %i'en in ?2+2+34 Hi%. 'olta%e tests Dielectric stren%t. test G4
A 1 $inte .i%. 'olta%e test s.ol( "e a&&lie( to a ne* an( co$&lete( $ac.ine *it. all its &arts in &lace n(er con(itions ei'alent to nor$al *or!in% con(itions+ T.e test s.ol( "e in accor(ance *it.IEC =003@-1-G+2 ;it.stan( 'olta%e test>, an( s.ol( "e carrie( ot at t.e $a!erPs *or!s at t.econclsion o) t.e te$&eratre-rise test+
For 'olta%e le'els to "e se(, see IEC =003@-1 Ta"le 1=, nor$all# )or ac *in(in%s o) $ac.ines "et*een 1 ! an( 10 000 !4 t.e test 'olta%e is 1 000 V W t*ice t.e rate( 'olta%e *it. a $ini$$ o) 1 <00 V+
A)ter re*in(in% or ot.er e:tensi'e re&air o) a $ac.ine, it s.ol( "e s"ecte( to a .i%. 'olta%e test *it.a test 'olta%e o) at least < o) t.at s&eci)ie( in IEC =003@-1-G+2+
On carr#in% ot .i%.-'olta%e test, it $a# "e necessar# to s.ort circit se$i-con(ctors in or(er to a'oi((a$a%e o) sc. &arts+
@4 Te$&eratre rise $easre$ent an( testin% <4
T.e te$&eratre rise o) a $ac.ine s.ol( "e $easre( at t.e rate( ot&t, 'olta%e an( )reenc#, an(t.e te$&eratre test s.ol( "e carrie( ot at t.e (t# )or *.ic. t.e $ac.ine is rate( an( $ar!e(, inaccor(ance *it. t.e testin% $et.o(s s&eci)ie( in IEC "lication No+ =003@-1+ See also i(ance Note1 "elo*4+
For $ac.ines *it. $a:i$$ continos ratin% (t# t#&e S14, t.e te$&eratre rise test s.ol( "econtine( ntil t.er$al eili"ri$ .as "een reac.e(, t.at is *.en t.e te$&eratre rises o) t.e &arts o) t.e $ac.ine (o not 'ar# "# $ore t.an a %ra(ient o) 2 K &er .or+
For acce&ta"le $et.o(s o) *in(in% te$&eratre $easre$ent an( corres&on(in% $a:i$$te$&eratres, see Ta"le <-1+ See i(ance note @ re%ar(in% t.e 'ariet# o) te$&eratre $easre$ent$et.o(s+
T.e $easre$ent o) )inal *in(in% te$&eratre at en( o) t.e test s.ol( "e &er)or$e( *it.in t.e ti$e
li$its %i'en in Ta"le <-3+I) t.e initial resistance rea(in% is o"taine( *it.in t.e ti$e inter'al s&eci)ie( in Ta"le <-3, t.at rea(in%s.all "e acce&te( )or t.e te$&eratre $easre$ent I) a resistance rea(in% cannot "e $a(e in t.e ti$einter'al s&eci)ie( in Ta"le <-3, it s.all "e $a(e as soon as &ossi"le "t not a)ter $ore t.an t*ice t.eti$e li$its %i'en in Ta"le <-3+ T.e te$&eratre s.all "e $easre( as a )nction o) ti$e a)ter s.t(o*n,an( correct te$&eratre "ein% (eter$ine( "# e:tra&olation "ac! to t.e a&&ro&riate ti$e inter'al o) Ta"le <-3+ See IEC =003@-1 +=+2 )or e:ten(e( %i(ance on t.is s"ect4+
.en t.e resistance $et.o( is se(, t.e te$&eratre )or co&&er *in(in%s, t.en t.e resistance $et.o(is se(, t.e te$&eratre )or co&&er *in(in%s, ts
T.e te$&eratre rise is t.e (i))erence "et*een t.e *in(in% te$&eratre at t.e en( o) t.e test, an( t.ea$"ient air te$&eratre at t.e en( o) t.e test+ Alternati'el# t.e *ater inlet te$&eratre at t.e en( o) t.e test, )or *aterair .eat e:c.an%ers+4
T.e resistance o) a $ac.ine *in(in% s.ol( "e $easre( an( recor(e( sin% an a&&ro&riate "ri(%e$et.o( or 'olta%e an( crrent $et.o(+
.en t.e mbedded Temperature (etector ETD4 $et.o( is se(, t.ere s.ol( "e at least si: (etectorssita"l# (istri"te( t.ro%.ot t.e $ac.ine *in(in%s+ T.e# s.ol( "e locate( at t.e 'arios &oints at*.ic. t.e .i%.est te$&eratres are li!el# to occr, an( in sc. a $anner t.at t.e# are e))ecti'el#
Table -:" Resistance +eas're+ent ti+e a*ter s3itch o**
Rated output P +*;- +*98-
Time delay after switching off power +s-
≤ <0 30
<0 Z ≤ 200 G0
200 Z ≤ < 000 120
< 000 Z B# a%ree$ent NA see note 2 to Ta"le <-14
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&rotecte( )ro$ contact *it. t.e coolant+ T.e .i%.est rea(in% o) an ETD ele$ent s.ol( "e se( to(eter$ine co$&liance *it. reire$ents )or te$&eratre li$its+
.en t.ere is t*o or $ore coil-si(es &er slot, t.e ETD ele$ents s.ol( "e &lace( "et*een t.e inslate(coil si(es+ I) t.ere is onl# one coil-si(e &er slot, t.e ETD $et.o( is not a reco%nise( $et.o( )or (eter$ination o) te$&eratre rise or te$&eratre li$its in or(er to 'eri)# t.e co$&liance o) t.e ratin%+
T.e thermometer method is reco%nise( in t.e cases in *.ic. neit.er t.e ETD $et.o( nor t.e resistance$et.o( is a&&lica"le+ See IEC =003@-1 )or %i(ance+ T.e $easre( te$&eratre rises s.ol( note:cee( t.e )ollo*in% 'ales/
=< K )or class A inslation
0 K )or class E inslation
G0 K )or class B inslation
11< K )or class F inslation
1@0 K )or class H inslation+
G'i&ance note>
Alternati'e $et.o(s )or te$&eratre rise calclations
Te$&eratre tests at )ll loa( $a# "e (i))iclt to realise )or lar%e $ac.ines, (e to ins))icient test &o*er "ein%a'aila"le+ One o) t.e )ollo*in% si$late( tests, or ei'alent, *ill "e s"ect )or a&&ro'al )or s#nc.ronos %eneratorsan( in(ction $otors/
s#nc.ronos )ee("ac!, or "ac! to "ac! $et.o(, accor(in% to IEEE St(+ 11<-1G3, =+2+2
ero &o*er )actor $et.o(, accor(in% to IEEE St(+ 11<-1G3, =+2+3
o&en-circit an( s.ort circit loa(in% $et.o(, accor(in% to IEEE St(+ 11<-1G3, =+2+@+
;Ei'alent loa(in% an( s&er-&osition tec.nies - In(irect testin% to (eter$ine te$&eratre rice+>, accor(in% toIEC =003@-2G+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
<4 Inslation resistance test 24
T.e inslation resistance o) a ne*, clean (r# $ac.ine, s.ol( "e $easre( i$$e(iatel# a)ter t.ete$&eratre test .as "een carrie( ot an( a)ter .i%. 'olta%e test .as "een carrie( ot sin% a (irectcrrent inslation tester "et*een/
all crrent carr#in% &arts connecte( to%et.er an( eart. all crrent carr#in% &arts o) (i))erent &olarit# or &.ase, *.ere "ot. en(s o) eac. &olarit# or &.ase
are in(i'i(all# accessi"le+
T.e $ini$$ 'ales o) test 'olta%e an( inslation are %i'en in Ta"le <-@+ T.e te$&eratre at *.ic.t.e resistance is $easre( s.ol( "e near t.e o&eratin% te$&eratre, or an a&&ro&riate $et.o( o) calclation $a# "e se(+
On carr#in% ot inslation resistance test, it $a# "e necessar# to s.ort circit se$i-con(ctors in or(er to a'oi( (a$a%e to sc. &arts+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
G'i&ance note !>
O'erloa( testin% =4
O'erloa( test is to "e carrie( ot as a t#&e test )or %enerators as a &roo) o) o'erloa( ca&a"ilit# o) %enerators an(e:citation s#ste$, )or $otors as a &roo) o) $o$entar# e:cess tore as reire( in IEC "lication =003@-1+ T.e o'er crrent test s.all "e t.e &roo) o) crrent ca&a"ilit# o) *in(in%s, *ires, connections etc+o) eac. $ac.ine+ T.eo'ercrrent test can "e (one at re(ce( s&ee( $otors4 or at s.ort circit %enerators4+
O'erloa(s as state( in ?1+2+@ are (i))iclt to test on lar%e $ac.ines+ In case o'erloa(s cannot "e teste(, (oc$entationor calclations "ase( on $an)actrers &ro'en $et.o(s an( e:&erience *ill "e acce&te(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
Table -:, Mini+'+ ins'lation resistance )al'es
Rated voltage0 n +9-
#inimum test voltage+9-
#inimum insulationresistance +# Ω -
8n ≤ 2<0 2 × 8n 1
2<0 Z 8n ≤ 1 000 <00 1
1 000 Z 8n ≤ 200 1 000 8n 1 0004 W 1
200 Z 8n ≤ 1< 000 < 000 8n 1 0004 W 1
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"$!$2 Onboar& testing
All $ac.ines s.all "e teste( on"oar(, a)ter installation, so t.at acce&ta"le startin% an( rnnin% &er)or$ance are'eri)ie( *it. )ll ca&acit# o) (ri'en ei&$ent, alternati'el# )ll %enerator loa(+ See Sec+10+
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SECT%ON / (OWER TRANSFORMERS
! General
!$! General
!$!$! Re*erence
T.e (esi%n o) trans)or$ers s.all in %eneral co$&l# *it. t.e reire$ents o) IEC =00G2-303 an( rele'ant &artso) IEC =00=+
!$2 Design re7'ire+ents *or o3er trans*or+ers
!$2$! General
a4 Trans)or$ers s.all "e (o"le *on(+ Startin% trans)or$ers an( trans)or$ers )ee(in% sin%le cons$ers, aslon% as t.e secon(ar# cons$er .as t.e sa$e inslation le'el as t.e &ri$ar# si(e, $a# "e o) atotrans)or$er t#&e+
"4 Nor$all#, trans)or$ers s.all "e o) t.e (r# air-coole( t#&e+ .ere )orce( coolin% is se(, it s.all "e &ossi"leto o&erate at re(ce( &o*er on )ailre o) a &$& or a )an+ o*er trans)or$ers *it. )orce( coolin% s.all "eei&&e( *it. $onitorin% an( alar$ as reire( "# Sec+3 ?@+2+
c4 All *in(in%s )or air-coole( trans)or$ers s.all "e treate( to resist $oistre, sea air, an( oil 'a&ors+
(4 For t.e %eneral reire$ents )or inslation $aterials an( ter$inations, see Sec+3 ?@+
e4 For reire$ents )or "s"ar $aterial see Sec+@ ?2+1+
!$2$2 0i7'i& i++erse& trans*or+ers
a4 ii( i$$erse( trans)or$ers, )ille( *it. lii( *it. )las.&oint a"o'e =0°C, $a# "e acce&te( in en%ineroo$s or si$ilar s&aces i) &ro'isions .a'e "een $a(e, *.en installe(, )or containin% or sa)e (rainin% o) atotal lii( lea!a%e+
"4 Nor$all#, lii( i$$erse( trans)or$ers s.all "e o) t.e seale( t#&e+ Ho*e'er, conser'ator t#&e $a# "eacce&te( i) t.e constrction is sc. t.at lii( is not s&ille(, *.en t.e trans)or$er is incline( at @0U+
c4 ii( i$$erse( conser'ator t#&e trans)or$ers s.all .a'e a "reat.in% (e'ice ca&a"le o) sto&&in%
tra&&in%4 $oistre )ro$ enterin% into t.e inslatin% lii(+
(4 Arran%e$ent )or contain$ent o) acci(ental lea!a%e s.all "e arran%e(+
e4 A lii( %a%e in(icatin% t.e nor$al lii( le'el ran%e s.all "e )itte(+
)4 ii( i$$erse( trans)or$ers s.all "e &ro'i(e( *it. $onitorin% as reire( in Ta"le =-1+
!$2$" Te+erat're rise
Te$&eratre rise )or trans)or$ers, a"o'e a$"ient, accor(in% to Sec+3 ?2+3, s.all not e:cee( t.e )ollo*in%'ales $easre( "# t.e resistance $et.o(4/
a4 Dr# t#&e trans)or$er *in(in%s/
inslation class A/ <<UC inslation class E/ 0UC inslation class B/ <UC inslation class F/ G<UC inslation class H/ 120UC inslation class 220/ 1@<UC
"4 ii( i$$erse( trans)or$ers/
te$&eratre rise )or *in(in%s/ <<UC te$&eratre rise )or lii( *.en t.e lii( is in contact *it. air/ @<UC te$&eratre rise )or lii( *.en t.e lii( not is in contact *it. air/ <0UC+
Table /:! Monitoring o* li7'i& i++erse& trans*or+ers
Item 8larm 7oad reduction or trip $omments
ii( le'el, lo*
ii( te$&eratre, .i%.
as &ressre, .i%. Tri&
Intertrn s.ort circit Tri&
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!$2$, (arallel oeration
Trans)or$ers )or &arallel o&eration s.all .a'e co$&ati"le co&lin% %ro&s an( 'olta%e re%lation, so t.at t.eactal crrent o) eac. trans)or$er *ill not (i))er )ro$ its &ro&ortionate s.are o) t.e total loa( "# $ore t.an10 o) its )ll loa( crrent+
!$2$- 1oltage reg'lation
Trans)or$ers s&&l#in% secon(ar# (istri"tion s#ste$s )or %eneral se s.all nor$all# .a'e a $a:i$$ 2+<'olta%e (ro& )ro$ no loa( to )ll loa( at resisti'e loa(+
!$2$/ Short circ'it 3ithstan& strength
Trans)or$ers s.all "e constrcte( to *it.stan( a &ri$ar# or secon(ar# ter$inal s.ort circit *it. a (ration o) $ini$$ 1 s, *it. rate( &ri$ar# 'olta%e an( )reenc#, *it.ot (a$a%e to internal &arts or enclosre+
!$2$4 Na+elate
Eac. &o*er trans)or$er s.all "e &ro'i(e( *it. na$e&late o) (ra"le $aterial, %i'in% t.e )ollo*in%in)or$ation/
$a!e, t#&e, serial no+ &er)or$ance stan(ar( rate( 'ales )or/ ot&t a&&arent &o*er, 'olta%es4, )reenc#, crrents4
(t# t#&e, i) ot.er t.an S1 t.er$al classi)ication o) inslation I co(e o) enclosre an( ter$ination "o: 'ector %ro& o) *in(in%s $a:i$$ &er$issi"le coolin% $e(i$ te$&eratre s.ort circit i$&e(ance 'ale lii( t#&e i) a&&lica"le4 total $ass+
2 %nsection an& testing
2$! General
2$!$! Factor. testing
a4 Trans)or$ers s.all "e teste( at t.e $an)actrers *or!s *it. t.e tests s&eci)ie( in t.is &art+ Tests note( ast#&e tests TT4 s.all "e carrie( ot on a &rotot#&e or t.e )irst o) a "atc. o) i(entical trans)or$ers+ Testsnote( as rotine tests RT4 s.all "e carrie( ot on eac. trans)or$er+
"4 T.e tests s.all "e (oc$ente(+ T.e (oc$entation s.all %i'e in)or$ation on $a!e, t#&e, serial no+,inslation class, all tec.nical (ata necessar# )or t.e a&&lication o) t.e trans)or$er, as *ell as t.e reslts o) t.e reire( tests+
c4 T.e reslt o) t#&e tests, an( t.e serial n$"er o) t.e t#&e teste( trans)or$er, s.all "e s&eci)ie( in t.e(oc$entation o) test reslts )or a rotine test+
(4 Reire( ins&ection an( tests )or (istri"tion trans)or$ers are %i'en in Ta"le =-2+
2$!$2 Te+erat're rise test
Te$&eratre test at )ll loa( $a# "e (i))iclt to realise on lar%e trans)or$ers, (e to ins))icient test &o*er
Table /:2 Testing an& insection o* trans*or+ers "o. Tas* Type of test I$ reference
1 Ins&ection o) enclosre, ter$inations, instr$entation or &rotection RT
2 6easrin% o) inslation resistance RT
3 6easrin% o) 'olta%e ratio at no loa( an( c.ec! o) &.ase (is&lace$ent RT IEC =00=-11+1=
@ 6easrin% o) *in(in% resistance RT IEC =00=-11+1<
< S.ort circit i$&e(ance an( loa( losses RT IEC =00=-11+1
= 6easrin% o) no-loa( loss an( crrent RT IEC =00=-11+1
Se&arate-sorce AC *it.stan( 'olta%e test RT IEC =00=-11+1G
In(cte( AC *it.stan( 'olta%e test RT IEC =00=-11+20
G Te$&eratre rise test TT IEC =00=-11+23
10 artial (isc.ar%e $easre$ent on trans)or$er *in(in%s *it. 8$ ≥ 3+= !V+
6a:i$$ le'el o) &artial (isc.ar%e s.all "e 10 &C+Not a&&lica"le to lii( i$$erse( trans)or$ers+4
RT IEC =00=-11+22
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"ein% a'aila"le+ One o) t.ese si$late( tests, or ei'alent $a# "e acce&te(/
"ac! to "ac! $et.o(, accor(in% to IEC =00=-11 23+2+2 si$late( loa( $et.o(, accor(in% to IEC =00=-11 23+2+1+
2$!$" Searate:so'rce AC 3ithstan& )oltage test high )oltage test
a4 A .i%. 'olta%e test s.all "e a&&lie( to a ne* an( co$&lete( trans)or$ers+
"4 T.e test s.all "e carrie( ot i$$e(iatel# a)ter t.e te$&eratre rise test, *.en sc. is reire(+
c4 T.e test s.all "e a&&lie( "et*een eac. *in(in% an( t.e ot.er *in(in%s, )ra$e an( enclosre all connecte(to%et.er+ T.e )ll test 'olta%e s.all "e $aintaine( )or 1 $inte+ For test le'els, see Ta"le =-3+
(4 Sin%le &.ase trans)or$ers )or se in a &ol#&.ase %ro& s.all "e teste( in accor(ance *it. t.e reire$ents)or t.e trans)or$ers as connecte( to%et.er in t.e s#ste$+
e4 A)ter re*in(in% or ot.er e:tensi'e re&air t.e trans)or$er s.all "e s"ecte( to a .i%. 'olta%e test *it. a test'olta%e o) at least < o) t.at s&eci)ie( in c4 a"o'e+
2$!$, %ns'lation resistance testing
T.e inslation resistance o) a ne*, clean (r# trans)or$er s.all "e $easre( i$$e(iatel# a)ter t.e te$&eratrerise test, *.en sc. is reire(, an( t.e .i%. 'olta%e test .as "een carrie( ot+ Test 'olta%e an( $ini$$inslation resistance is %i'en in Ta"le =-@+ T.e test s.all "e carrie( ot "et*een/
all crrent carr#in% &arts, connecte( to%et.er, an( eart. all crrent carr#in% &arts o) (i))erent &olarit# or &.ase, *.ere "ot. en(s o) eac. &olarit# or &.ase are
in(i'i(all# accessi"le+
2$!$- On boar& testing
All trans)or$ers s.all "e s"ect to )nction tests *it. inten(e( loa(in%, a)ter installation on"oar(+
Table /:" Test )oltages
6ighest voltage for e2uipment 0 $ +*9 r.m.s.-
Rated short duration power fre2uency withstand voltage
+*9 r.m.s-
≤ 1 3
3+= 10
+2 20
12 2
1+< 3
Table /:, Test )oltages an& +ini+'+ ins'lation resistance
Rated voltage 0 n +9- #inimum test voltage+9-
#inimum insulationresistance +# Ω -
8n ≤ 2<0 2 × 8n 1
2<0 Z 8n ≤ 1 000 <00 1
1 000 Z 8n ≤ 200 1 000 8n 1 0004 W 1
200 Z 8n ≤ 1< 000 < 000 8n 1 0004 W 1
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SECT%ON 4 SEM%:CONDUCTOR CON1ERTERS
! General re7'ire+ents
!$! General
!$!$! Re*erences
a4 T.e (esi%n an( constrction o) se$i-con(ctor con'erters s.all co$&l# *it. rele'ant reire$ents o) Sec+3 an( Sec+@+ For control an( $onitorin% ei&$ent t.e reire$ents are %i'en in DNV-OS-D202+
"4 Volta%e an( )reenc# c.aracteristics o) s&&l# net*or!s are %i'en in Sec+2 ?2+2+
c4 T.e (esi%n o) se$i-con(ctor con'erters s.all co$&l# *it. t.e reire$ents o) IEC =01@=-1-1 *it.a&&lica"le reire$ents $o(i)ie( to sit $arine installations li!e e+%+ en'iron$ental reire$ents state(in Section3+
(4 T.e (esi%n o) se$i-con(ctor con'erters )or &o*er s&&l# s.all in a((ition to a4, "4 an( c4 co$&l# *it. t.ereire$ents o) IEC =20@0 series+
e4 T.e (esi%n o) se$i-con(ctor con'erters )or $otor (ri'es s.all in a((ition to a4, "4 an( c4 co$&l# *it. t.ereire$ents o) IEC =100 series+
G'i&ance note>Se$i-con(ctor con'erters )or &o*er s&&l# co'ers s#ste$s *it. con'erters *it. an( *it.ot $eans )or ener%#stora%e+ 8S, "atter# c.ar%ers, clean &o*er nits etc+
Re)erences to s&eci)ic clases in IEC stan(ar(s are "ase( on 'ali( e(itions &er 2010+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$2 Technical integration
8nless ot.er*ise state(, it is t.e res&onsi"ilit# o) t.e ^ar( to ensre tec.nical inte%ration o) trans)or$ers,con'erters, $otors an( %enerators *it. res&ect to/
Ratin% an( coolin% *it. res&ect to increase( losses4 Tores&ee( c.aracteristics Acceleration"rea!in%
Bearin% crrents Har$onic )ilters O&eratin% &.iloso&.ies Installation instrctions+
!$!$" F'nctionalit.
A con'erter s.all "e (escri"e( in a )nctional (escri&tion+ T.is (escri&tion s.all at least co'er t.e )ollo*in% ite$s/
Inten(e( se an( o&erational $o(es Control s#ste$ Inte%ration 'erss .i%.er le'el control s#ste$ Re(n(anc# )or coolin% 6anal o&eration rotection )nctions, tri&s an( s.t (o*ns Re(n(anc# Alar$s S&eci)ic )nctional reire$ents %i'en in a&&lica"le rles, e+%+ Sec+12 )or electric &ro&lsion+
!$2 Design an& constr'ction re7'ire+ents
!$2$! Electrical rating an& &'t.
a4 T.e s&eci)ie( ca&acit# s.all at least incl(e a 100 continos loa(, an( a s&eci)ie( o'erloa( ca&acit#%i'en "# a crrent o) $a:i$$ (ration o) ti$e+
"4 Con'erters )or $otor (ri'es incl(in% so)t starters4, s.all as a $ini$$ *it.stan( t*o consecti'e startatte$&ts i$$e(iatel# )ollo*e( a)ter sto&&in%, or startin% & )ro$ col( *it.ot "ein% o'er.eate(+
c4 For "atter# c.ar%ers an( 8S, reire$ents )or c.ar%er ca&acit# are %i'en in Sec+2 ?@+1+2+
!$2$2 Creeage an& clearance &istances
Cree&a%e an( clearance (istances s.all "e in accor(ance *it. rele'ant &ro(ct stan(ar(,+ T.e clearance an(cree&a%e (istances %i'en in t.e rele'ant IEC stan(ar(s are re&ro(ce( in Ta"le -1 to Ta"le -3+ T.e i$&lse'olta%e test 'olta%es are re&ro(ce( in Ta"le -=+
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G'i&ance note>
For se$i-con(ctor con'erters )or &o*er s&&l# t.e reire$ents are %i'en in IEC =0G<0-1+ For se$i-con(ctor con'erters )or $otor (ri'es t.e reire$ents are %i'en in IEC =100-<-1
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
Table 4:! Mini+'+ clearance &istances *or lo3 )oltage se+i:con&'ctor con)erters!B
"ominal voltage of the system+line voltage-F
+9-24
#inimum clearance distance+mm-
120 0,0
220, 230, 2@0 1,<
30, @00, @1<, @@0 3,0
=00, =30, ==0, =G0 <,<
14 E:tract )ro$ IEC =100-<-1, Ta"le , an( G, an( IEC =0G<0-1, Anne: , Ta"le +2+ A&&lica"le )or t.ree &.ase s#ste$s+ I) sin%le &.ase s&&l#, t.e (istance s.all "e increase( one ste&+
24 Inter&olation is not &er$itte(+
Table 4:2 Mini+'+ clearance &istances *or high )oltage se+i:con&'ctor con)erters!B
"ominal voltage of the system+ma3imum line voltage-F
+9-24
#inimum clearance distance+mm-
132 ,0
=23< 2<
12@0 =0
20< G0
14 E:tract )ro$ IEC =100-<-1, Ta"le , an( G, an( IEC =0G<0-1, Anne: , Ta"le +2+
24 Inter&olation is &er$itte(+
Table 4:" Mini+'+ creeage &istances? se+i:con&'ctor con)erters!B ;or*ing voltage +9-24 34
+rms- #inimum creepage distance@4 +mm-
100 2,2
1=0 2,<
200 3,2
2<0 @,0
320 <,0
@00 =,3
<00 ,0
=30 10,0
00 12,<
1000 1=
12<0 20
1=00 2<
2000 32
2<00 @0
3200 <0
@000 =3
<000 0
=300 100
000 12<
10000 1=0
14 E:tract )ro$ IEC =100-<-1, Ta"le 10, an( IEC =0G<0-1, Ta"le 2N+24 T.e .i%.est 'olta%e to *.ic. t.e inslation n(er consi(eration is, or can "e, s"ecte( *.en t.e ei&$ent
is o&eratin% at its rate( 'olta%e n(er con(itions o) nor$al se+
34 Inter&olation is &er$itte(+
@4 Base( on inslatin% $aterial %ro& IIIa"+ I) t.e $aterial %ro& is not !no*n, %ro& IIIa" s.all "e ass$e(+
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!$2$" Caacitor &ischarge
Ca&acitors *it.in a con'erter s.all "e (isc.ar%e( to less t.an =0 Volt in less t.an < s or a resi(al c.ar%e o) lesst.an <0 µ C4 a)ter re$o'al o) t.e &o*er+ I) t.is reire$ent not is ac.ie'a"le, *arnin% si%n"oar(s s.all "e )itte(+
!$2$, Access con&itions *or high )oltage con)erters
Hi%. 'olta%e sections o) con'erters s.all .a'e enclosres as reire( )or .i%. 'olta%e s*itc.%ear in Section @+
Doors s.all "e ato$aticall# loc!e( nless t.e $ain circit "rea!er is o&en an( t.e circit is eart.e(+!$2$- Cooling
a4 .ere )orce( coolin% is &ro'i(e(, t.e a&&arats is, nless ot.er*ise &articlarl# reire(, to "e so arran%e(t.at t.e con'erter cannot re$ain loa(e( nless e))ecti'e coolin% is &ro'i(e(, or ot.er e))ecti'e $eans o)
&rotection a%ainst o'er te$&eratre is &ro'i(e(+ See also Sec+3 ?@+2+
"4 i&in% s.all "e arran%e( to &re'ent .ar$)l e))ects (e to lea!a%e or con(ensation, an( "e installe( &re)era"l# in t.e lo*er &art o) t.e asse$"l#+
c4 Reire$ents )or coolin% o) con'erters se( )or &ro&lsion are %i'en in Sec+12+
!$2$/ O't't )oltage an& *re7'enc.
T.e ot&t 'olta%e an( )reenc# o) t.e &o*er s&&l# nits s.all co$&l# *it. t.e reire$ents )or &o*er
s&&l# s#ste$s %i'en in Sec+2 ?1+!$2$4 Short circ'it c'rrent caabilities
Con'erters ser'in% as &o*er s&&lies s.all "e a"le to s&&l# a s.ort circit crrent s))icient )or selecti'etri&&in% o) (o*nstrea$ &rotecti'e (e'ices, *it.ot s))erin% internal (a$a%e+ Sc. selecti'e tri&&in% $a# "eac.ie'e( "# t.e tilisation o) an ato$atic "#&ass+ Crrent li$itin% &o*er s&&lies, or &o*er s&&lies li$ite(
"# internal te$&eratre $a# "e se( )or sin%le cons$ers+
!$2$6 5.:ass arrange+ent
For con'erters ser'in% as AC &o*er s&&l# nits se( as e$er%enc# or transitional sorce o) &o*er, or as &o*er s&&l# to essential or i$&ortant cons$ers, a $anal electricall# in(e&en(ent "#&ass arran%e$ent s.all "e &ro'i(e( nless re(n(ant s&&l# to t.e cons$ers is ot.er*ise ensre(+
!$2$8 0ocation o* batteries
Reire$ents )or location o) "atteries insi(e electrical asse$"lies are %i'en in Sec+2 ?G+@+
!$2$! (rotection an& +onitoring
a4 Alar$ s.all "e %i'en )or &o*er s&&l# )ailre an( tri& o) nit
"4 For IT (istri"tion, alar$ s.all "e %i'en )or secon(ar# si(e eart. )alt e:ce&t in (e(icate( s&&l# s#ste$)or sin%le cons$ers4+
c4 For lii( coole( con'erters *.ere t.e coolin% lii( is in (irect contact *it. li'e &arts, t.e con(cti'it#s.all "e $onitore(, an( .i%. con(cti'it# s.all %i'e alar$+
(4 .en .ar$onic )ilters are inte%rate( in a con'erter, &rotection an( $onitorin% as reire( in Sec+2 ?++1is reire(+
e4 A((itional reire$ents )or $onitorin% o) con'erters se( in electrical &ro&lsion s#ste$s are %i'en in
Sec+12+
)4 For &o*er s&&l# nits *it. "atteries incl(e(, t.e )ollo*in% a((itional alar$s s.all "e &ro'i(e(/
*.en t.e c.ar%in% o) a "atter# )ails, alternati'el# i) t.e "atter# is "ein% (isc.ar%e( *.en t.e ato$atic "#&ass is in o&eration )or on-line nits+ o&eration o) "atter# &rotecti'e (e'ice+
%4 Alar$s s.all "e %i'en to a $anne( control station+
.4 Reire$ents )or &rotection o) "atteries an( (istri"tion circits are %i'en in Sec+2 ?+
!$2$!! E+ergenc. sto? sh't&o3n
a4 In (ri'es se( )or a&&lications *.ere e$er%enc# sto& is reire(, t.e e$er%enc# sto& circit s.all co$&l#
*it. Sec+2 ?+<+1+ I+e+ t.e e$er%enc# sto& si%nal s.all "e (irectl# connecte( to tri& t.e $ain &o*er s&&l#to t.e (ri'e nit, eit.er (irectl# or t.ro%. t.e control &o*er circit )or t.e circit "rea!er+ Alternati'earran%e$ents in(e&en(ent o) t.e so)t*are "ase( control s#ste$ $a# "e acce&te( e+%+ &lse "loc!in%,(isconnection o) control 'olta%e to &lse a$&li)iers+4
"4 Reire$ents )or li$ite( s.t(o*n )nctions )or steerin% an( &ro&lsion are %i'en in DNV-OS-D101 Sec+12+
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!$2$!2 Restart
It s.all "e &ossi"le to restart t.e con'erter in a nor$al $anner a)ter a "lac!ot+ ocal resettin%restartin% o) t.enit s.all not "e necessar#+
2 %nsection an& testing
2$! General
2$!$! Factor. testing
a4 Con'erters s.all "e teste( at t.e $an)actrers *or!s+ T#&e tests TT4 s.all "e carrie( ot on a &rotot#&eo) a con'erter or t.e )irst o) a "atc. o) i(entical con'erters+ Rotine tests RT4 s.all "e carrie( ot on eac.con'erter+
"4 T.e tests s.all "e (oc$ente(+ T.e (oc$entation s.all %i'e in)or$ation on $a!e, t#&e, serial no+, alltec.nical (ata necessar# )or t.e a&&lication o) t.e con'erter, as *ell as t.e reslts o) t.e reire( tests+
c4 T.e reslt o) t#&e tests, an( t.e serial n$"er o) t.e t#&e teste( con'erter, s.all "e s&eci)ie( in t.e(oc$entation o) test reslts )or rotine tests+
(4 T.e t#&e tests an( rotine tests t.at se$i-con(ctor con'erters s.all n(er%o are liste( in Ta"le -@+
Table 4:, Testing an& insection o* se+i:con&'ctor con)erters *or o3er s'l. U(S
"o. Tas* Re2uired testconverter for power
supply/0PS
I$ test reference ("9 Rule re2uirementreference
1 Visal ins&ection14 TT, RT Sec+3, Sec+@ an( Sec+
2 Fnction test 8S s*itc. test424 TT, RT =20@0-3 &t+ =+2+3 ?1+2+3
3 In&t 'olta%e an( )reenc# tolerancetest
TT =20@0-3 &t+ =+3+2 Sec+2 ?1+2
@ Store( ener%# an( restore( ener%# tests TT =20@0-3 &t+ =+3+G Sec+2 ?@+1+2 c4
< Inslation tests Hi%. 'olta%e test4 TT, RT =100-<-1 &t+ <+2+3+2=01@=-1-1 &t +2
?2+1+2
= Inslation resistance test34
TT, RT =01@=-1-1 &t +2+3+1 Sec+10 ?@+3+3 Rate( crrent testFll loa( test@4 TT =20@0-3 &t =++< ?1+2
Te$&eratre rise test TT =01@=-1-1 &t +@+2 Sec+3 ?2+3
G Control an( $onitorin% s#ste$Re)+ also )nction test4
TT, RT =20@0-3 &t+ =+2+@ ?1+2+10 an(DNV-OS-D202
10 S.ort circit test TT =20@0-3 &t =+=+1G ?1+2+
11 Coolin% )ailre tests TT, RT =100-<-1 &t+<+2+@+< ?1+2+= an( ?1+2+11
12 Ca&acitor (isc.ar%e TT ?1+2+3
13 ressre test o) coolant &i&in%.oses+ RT DNV-OS-D101 C.a&+2Sec+=, ?@
14 Veri)ication o) se&aration, la"ellin%, I-ratin%, cree&a%e an( clearance (istances+
24 Incl(in% c.ec! o) a:iliar# (e'ices, &ro&erties o) control ei&$ent an( &rotecti'e (e'ices+Re)+ IEC =01@=-1-1 &t +<+1-34 In
accor(ance *it. )nctional (escri&tion an( test &ro%ra$+ T.e li%.t loa( an( )nction test $a# "e &er)or$e( *it. &o*er $o(lesi(enticall# to t.e ones t.at s.all "e installe( on"oar(+ T.e correct &o*er $o(les $a# "e teste( se&aratel#+
34 Inslation resistance test s.all "e (one in accor(ance *it. Ta"le 10-1+
@4 Fll loa( crrent an( o'er crrent test accor(in% to ratin% as reire( in ?2+1+1 a4+
Table 4:- Testing an& insection o* se+i:con&'ctor con)erters *or +otor &ri)es
"o. Tas* Re2uired test converter for motor drives
I$ test reference ("9 Rule re2uirementreference
1 Visal ins&ection14 TT, RT =100-<-1 &t+ <+2+1 Sec+3, Sec+@ an( Sec+
2 In&t 'olta%e an( )reenc#tolerance test
TT =20@0-3 &t+ =+3+2 ?1+2
3 i%.t loa( an( )nction test24 TT, RT =01@=-1-1 &t +3+1 an( +< ?1+1+3
@ I$&lse 'olta%e test34 TT =100-<-1 &t+ <+2+3+1 =100-<-1 &t+ <+2+3+1
< Inslation testsHi%. 'olta%e test4
TT, RT =100-<-1 &t+ <+2+3+2=01@=-1-1 &t +2
?2+1+2
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h.# !ec.3 !emi"conductor onverters age %$$
2$!$2 High:)oltage testing
Hi%.-'olta%e testin% s.all "e carrie( ot *it. test 'olta%es as %i'en in rele'ant &ro(ct stan(ar(+ T.ese 'olta%es%i'en in IEC =01@=-1-1 are re&ro(ce( in Ta"le -=+
T.e test 'olta%e s.all "e a&&lie( )or 1 $inte )or T#&e Tests, an( $ini$$ 1 s )or Rotine Tests+ I) t.e circitcontains ca&acitors t.e test $a# "e &er)or$e( *it. a DC 'olta%e+
2$!$" Onboar& testing
Se$i-con(ctor con'erters )or &o*er s&&l# an( se$i-con(ctor con'erters )or $otor (ri'es s.all "e teste(accor(in% to Sec+10 ?@ a)ter installation on"oar(+
= Inslation resistance test@4 TT, RT =01@=-1-1 &t +2+3+1 Sec+10 ?@+3+3
Rate( crrent testFll loa( test<4 TT =01@=-1-1 &t +3+2 ?1+2
Te$&eratre rise test TT =100-<-1 &t+ <+2+3+G=01@=-1-1 &t +@+2
Sec+3 ?2+3
G Control an( $onitorin% s#ste$Re)+ also )nction test4
TT, RT t+@ C.+G, Sec+ 1+2+11
10 Coolin% )ailre tests TT, RT =100-<-1 &t+<+2+@+< ?1+2+= 9 ?1+2+11
11 Ca&acitor (isc.ar%e TT =100-<-1 &t+<+2+3+ ?1+2+3
12 ressre test o) coolant &i&in%.oses+
RT DNV-OS-D101 C.a&+ 2Sec+=, @
13 Brea!(o*n o) co$&onents test =4 TT =100-<-1 &t+ <+2+3+=+@ Sec+2 ?1+1+1a4Sec+@ ?1+1+2 "4
14 Veri)ication o) se&aration, la"ellin%, I-ratin%, cree&a%e an( clearance (istances+
24 Incl(in% c.ec! o) a:iliar# (e'ices, &ro&erties o) control ei&$ent an( &rotecti'e (e'ices+Re)+ IEC =01@=-1-1 &t +<+1-34 Inaccor(ance *it. )nctional (escri&tion an( test &ro%ra$+ T.e li%.t loa( an( )nction test $a# "e &er)or$e( *it. &o*er $o(lesi(enticall# to t.e ones t.at s.all "e installe( on"oar(+ T.e correct &o*er $o(les $a# "e teste( se&aratel#+
34 To "e &er)or$e( i) clearance an( or cree&a%e (istances are less t.an s&eci)ie( in Ta"le -1, Ta"le -2 an( Ta"le -3+
@4 Inslation resistance test s.all "e (one in accor(ance *it. Ta"le 10-2+
<4 Fll loa( crrent an( o'er crrent test accor(in% to ratin% as reire( in ?2+1+1 a4+
=4 Onl# a&&lica"le )or 'aria"le s&ee( (ri'es lar%er t.an 1 6+
Table 4:/ High )oltage test
"ominalvoltage ofthe system
Test voltages
Power fre2uency withstand voltage Impulse voltage level
8$r.m.s +9-
($+9-
0 i$&+*9-
Z<0 12<0 10 0,
100 1 300 1@0 1,<
1<0 1 3<0 1G10 2,<
300 1 <00 2120 @
=00 1 00 2<<0 =1000 2200 3110
Y1000 3000 @2<0
3=00 10000 1@1<0 20
200 20000 2300 @0
12000 2000 3G=00 =0
1<00 3000 <300 <
Inter&olation is &er$itte(+
Table 4:- Testing an& insection o* se+i:con&'ctor con)erters *or +otor &ri)es Contin'e&B
"o. Tas* Re2uired test converter for motor drives
I$ test reference ("9 Rule re2uirementreference
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h.# !ec.4 7iscellaneous +6uipment age %$%
SECT%ON 6 M%SCE00ANEOUS EU%(MENT
! General
!$! Soc9et o'tlets an& l'gs
!$!$! General
a4 Soc!et otlets an( &l%s *it. a rate( crrent not e:cee(in% =3 A in AC installations an( 1= A in DCinstallations, s.all "e constrcte( )or $a!in% an( "rea!in% t.e rate( crrent "# insertion an( *it.(ra*al o) t.e &l%, nless t.e# are &ro'i(e( *it. an interloc! as (escri"e( in "4+
"4 Soc!et otlets *it. a rate( crrent a"o'e =3 A AC or 1= A DC s.all "e &ro'i(e( *it. interloc!s so t.at t.e &l% can onl# "e inserte( an( *it.(ra*n *.en t.e s*itc. is in t.e ;o))> &osition+
c4 Soc!et otlets )or &orta"le a&&liances, *.ic. are not .an(-.el( (rin% o&eration e+%+ *el(in%trans)or$ers, re)ri%erate( containers4, s.all "e interloc!e( *it. a s*itc. re%ar(less o) ratin%, $a:i$$ 1000 V can "e acce&te(+ At eac. sc. soc!et otlet, a *arnin% si%n s.all "e )itte(, *it. te:t/ DANER $a:i$$ 'olta%e4 V AC ON^ FOR CONNECTION OF++++ t#&e o) ei&$ent4++++
(4 Hi%.er 'olta%e soc!et otlets can onl# "e se( )or s&ecial a&&lications+
e4 All soc!et otlets s.all "e &ro'i(e( *it. an eart.in% contact, e:ce&t t.at t.is $a# "e o$itte( in t.e
)ollo*in% cases/
soc!et otlets on s#ste$s *it. 'olta%e "elo* <0 V AC or DC soc!et otlets *it. (o"le inslate( trans)or$ers )or .an(.el( ei&$ent )or (istri"tion s#ste$s *it. inslate( netralL soc!et otlets in (r# acco$$o(ation s&aces *.ere )loor
co'erin%, "l!.ea( an( ceilin% linin%s are o) inslatin% $aterial+ T.e resistance o) t.e inslatin%$aterial s.all "e at least <0 !O.$+ Eart. &otential s.all not "e "ro%.t into t.e s&ace, )or instancet.ro%. eart. con(ctors, &i&in% etc+
)4 recations s.all "e ta!en so t.at a &l% )or one 'olta%e cannot "e inserte( in a soc!et otlet )or a (i))erent'olta%e+ Alternati'el#, *arnin% si%n"oar(s s.all "e )itte(+
!$2 0ighting e7'i+ent
!$2$! General
a4 T.e te$&eratre rise o) &arts o) l$inares t.at are in contact *it. t.e s&&ort s.all %enerall# not e:cee(<0UC+
"4 T.e te$&eratre rise li$it is @0UC )or &arts installe( in contact *it. )la$$a"le $aterials, sc. as )or e:a$&le *oo(+
c4 For te$&eratre rise o) ter$inals, see Sec+3+
(4 For ot.er &arts, te$&eratres accor(in% to reco%nise( national or international stan(ar(s, *.ic. ta!e (econsi(eration o) t.e a$"ient te$&eratres on o))s.ore nits, *ill "e acce&te(+
!$2$2 Starting &e)ices
Startin% (e'ices *.ic. (e'elo& .i%.er 'olta%es t.an t.e s&&l# 'olta%e are %enerall# to "e &lace( *it.in t.el$inaries+
!$2$" Discharge o* caacitors
Eac. ca&acitor o) 0+< µ F or $ore s.all "e &ro'i(e( *it. an arran%e$ent t.at re(ces t.e 'olta%e to not $oret.an <0 V *it.in 1 $inte a)ter (isconnection )ro$ t.e s&&l#+
!$" Heating e7'i+ent
!$"$! General
Eac. se&arate .eatin% ele$ent rate( $ore t.an 1=A is consi(ere( as a se&arate cons$er, )or *.ic. a se&aratecircit )ro$ a s*itc."oar( is reire(+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.4 7iscellaneous +6uipment age %$#
!$"$2 Te+erat're rises *or heaters
T.e te$&eratre rises in Ta"le -1 are acce&te(+
G'i&ance note>
It is reco$$en(e( to &ro'i(e eac. .eater *it. an interloc!e( o'er te$&eratre t.er$ostat *it. $anal reset,accessi"le onl# "# se o) a tool+ National re%lations o) t.e )la% state $i%.t reire sc. an o'er te$&eratre ct ot+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$"$" Sace heaters
S&ace .eaters are %enerall# to "e o) t.e con'ection t#&e, an( sita"le )or installation on "l!.ea(s+ Ra(iation.eaters an( ot.er s&ace .eater t#&es $a# "e acce&te( a)ter consi(eration in eac. case+
!$"$, Heating batteries *or )entilation s.ste+s
Heatin% "atteries in centralise( 'entilation s#ste$s s.all "e ei&&e( *it. t.e )ollo*in% sa)et# control)nctions/
.eatin% ele$ents s.all "e interloc!e( *it. res&ect to t.e air )lo* eit.er (irectl# controlle( "# t.e &o*er tot.e )an or "# $easrin% t.e air)lo* locall# at t.e .eatin% ele$ent
.eatin% ele$ents s.all "e ei&&e( *it. o'er te$&eratre s*itc. t.at can "e reset $anall# onl# .eatin% ele$ents s.all "e ei&&e( *it. t.er$ostat control %ear+
!$"$- Sace heaters co+bine& 3ith air:con&ition cabinets
T.e )ollo*in% a((itional reire$ents a&&l# )or s&ace .eaters inte%rate( in air-con(itionin% ca"inets/ t.e $a:i$$ te$&eratre rises s&eci)ie( in ?1+3+2 s.all "e co$&lie( *it., e'en *.en t.e air s&&l# is
co$&letel# s.t o)) eac. ca"inet s.all "e &ro'i(e( *it. an interloc!e( o'er te$&eratre t.er$ostat *it. $anal reset,
accessi"le onl# "# se o) tool co$"ine( ca"inets )or ceilin% installation are acce&te(, t.e ceilin% s.all "e constrcte( o) inco$"sti"le
$aterials+
!$"$/ Water heaters
a4 ater .eaters are nor$all# to .a'e inslate( .eatin% ele$ents an( s.all "e installe( as se&arate nits+
"4 T.e reire$ents )or te$&eratre rises s&eci)ie( in Ta"le -2 a&&l#+
c4 Eac. *ater .eater s.all "e &ro'i(e( *it. a t.er$ostat, sensin% t.e *ater te$&eratre an( $aintainin% t.is
at t.e correct le'el+
G'i&ance note>
Electro(e .eaters an( electricall# .eate( stea$ "oilers $a# "e acce&te( a)ter assess$ent o) t.e arran%e$ent in eac.case+
Heatin% "# electric ele$ents in t.e o))s.ore nitPs *ater tan!s $a# "e acce&te( a)ter (esi%n assess$ent o) t.earran%e$ent in eac. case+
For &ressre 'essels, t.e reire$ents in DNV-OS-D101 a&&l#+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$"$4 Oil heaters
a4 Electric oil .eaters are nor$all# to "e installe( as se&arate nits+ Heatin% "# electric .eatin% ele$ents in
t.e o))s.ore nitPs oil tan!s is %enerall# not allo*e(, "t $a# "e acce&te( a)ter s&ecial (esi%n assess$ento) t.e arran%e$ent in eac. case+
"4 T.e reire$ents )or te$&eratre rises s&eci)ie( in Ta"le -2 a&&l#+ In a((ition, t.e sr)ace te$&eratre o) t.e .eatin% ele$ents s.all "e "elo* t.e "oilin% &oint o) t.e oil, n(er nor$al *or!in% con(itions+ Frt.er li$itation o) t.e .eatin% ele$entsP te$&eratre $a# "e reire(+
Table 6:! Te+erat're rises *or heaters
Part Temperature4$
Enclosre &arts a%ainst t.e "l!.ea( =0
Ot.er accessi"le &arts 130 14
Sr)ace o) .eatin% ele$ents insi(e enclosres *it.t.ro%. air con'ection
20
Heatin% ele$ents .a'in% a te$&eratre rise e:cee(in% 130UC are %enerall# to "e consi(ere( as ;li'e &arts> an( s.all "e &ro'i(e( *it. sita"le enclosres+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.4 7iscellaneous +6uipment age %$&
c4 Eac. oil .eater s.all "e &ro'i(e( *it. a *or!in% t.er$ostat, sensin% t.e oil te$&eratre an( $aintainin%t.is at correct le'el n(er nor$al *or!in% con(itions+ In a((ition, eac. oil .eater s.all "e &ro'i(e( *it. aninterloc!e( o'er-te$&eratre t.er$ostat *it. $anal reset, an( *it. t.e sensin% (e'ice installe( in close
&ro:i$it# to t.e .eatin% ele$ents, so arran%e( t.at it *ill tri& t.e ele$ents, s.ol( t.e# ten( to o'er.eat,or "eco$e (r#+ Ot.er arran%e$ents, ensrin% ei'alent &rotection, $a# "e acce&te( a)ter (esi%nassess$ent in eac. case
G'i&ance note>
"ricatin% oil $a# (eteriorate e'en at $c. lo*er ele$ent te$&eratres+ T.e oil $an)actrer s.ol( "e conslte(re%ar(in% t.e $a:i$$ acce&ta"le ele$ent te$&eratre+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$, Coo9ing an& other galle. e7'i+ent
!$,$! General
a4 Coo!in% ei&$ent is %enerall# to .a'e inslate( .eatin% ele$ents+ S&ecial ei&$ent, sc. as )or e:a$&le .i%. )reenc# o'ens or electro(e &ots, s.all "e sita"le )or $arine se, an( installe( inaccor(ance *it. t.e $an)actrerPs instrctions+
"4 Electro(e &ots %i'in% eart. -connection o) t.e s#ste$ s.all "e )e( )ro$ se&arate isolatin% trans)or$ers+
c4 For oil &ots, t.e reire$ents )or oil .eaters in ?1+3+ a&&l#+(4 T.e te$&eratre rises in Ta"le -2 are acce&te(+
Table 6:2 Te+erat're rises *or coo9ing an& other galle. e7'i+ent
Part Temperature4$
Enclosre &arts a%ainst t.e "l!.ea( an( (ec!s <0
Ot.er accessi"le sr)ace &arts, e:ce&t .ot &lates *it. a(acent to& &lates <0
Hot &lates *it. a(acent to& &lates, an( .eatin% ele$ents No li$it 14
14 Constrction an( te$&eratres s.all "e sc. t.at (a$a%e an( .aar(s are a'oi(e(, *.en t.eei&$ent is se( as inten(e(+
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h.# !ec.5 ables age %$0
SECT%ON 8 CA50ES
! Alication
!$! General
!$!$! General
a4 T.is section o) t.e rles contains reire$ents )or selection, constrction an( ratin% o) )i:e( electricalca"les )or &er$anent installation+ Ot.er a&&lica"le reire$ents in ot.er sections s.all also "e co$&lie(*it.+
"4 Reire$ents )or ca"les )or s&ecial a&&lications are )on( in ot.er &arts o) t.e rles+ For ca"le selectionsee Sec+2 an( )or ca"le installation see Sec+10+
!$!$2 D't.
a4 8nless ot.er*ise clearl# state(, t.e ratin% o) electrical ca"les )or &o*er s&&l# to ei&$ent s.all "e )or continos )ll loa( (t#+ 6a:i$$ en'iron$ental te$&eratres s.all "e as %i'en in Ta"le 3-1+
"4 Reire$ents )or ca"le siin%, an( t.e ta"les )or t.e crrent ratin% o) (i))erent ca"le sies, can "e )on( in
Sec+2+
G'i&ance note>
Ca"les are %enerall# acce&te( )or t.e $ini$$ en'iron$ental te$&eratre %i'en in Ta"le 3-1 *it.ot testin% )or "e.a'ior at lo* te$&eratre in e:cess o) *.at is reire( in t.e re)erence( &ro(ct stan(ar(s o) t.e =00G2 series*it. t.e con(ition t.at t.e ca"les on o&en (ec! are &ro&erl# )i:e( an( $ec.anicall# &rotecte(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$!$" Co+liance 3ith %EC
T.e (esi%n o) all electrical ca"les installe( s.all co$&l# *it. t.e reire$ents o) a&&lica"le IEC "lications+
G'i&ance note>
o*er ca"les constrcte( in accor(ance *it. t.ese IEC stan(ar(s *ill nor$all# .a'e an inslatin% oter s.eat.+ Certi)ie(
ca"les constrcte( *it. oter ar$or or "rai( *ill .a'e s))icient inslatin% $aterial "eneat. t.is oter "rai(+ For ca"les*it. an oter $etal "rai(, t.e oter "rai( cannot "e se( as eart. con(ctor as %i'en in Ta"le 2-=4+
er$anentl# installe( ca"les )or &o*er, control an( instr$entation s.all nor$all# co$&l# *it. t.e s&eci)ications o) International Electrotec.nical Co$$issionPs IEC4/
"lication No+ =00G2-3<0/ eneral constrction an( test $et.o(s o) &o*er, control an( instr$entation ca"les)or s.i&"oar( an( o))s.ore a&&lications>+
"lication No+ =00G2-3<3/ Sin%le an( $lticore non-ra(ial )iel( &o*er ca"les *it. e:tr(e( soli( inslation )or rate( 'olta%e 1 !V an( 3 !V> )or li%.tin% an( &o*er ca"les+
"lication No+ =00G2-3<@/ Sin%le an( t.ree-core &o*er ca"les *it. e:tr(e( soli( inslation )or rate( 'olta%es= !V 8$ X +2 !V4 & to 30 !V 8$ X 3= !V4 )or Hi%. Volta%e ca"les>+
"lication No+ =00G2-3=/ Ca"les )or control an( instr$entation ca"les 1<02<0 V 300 V4>+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2 General cable constr'ction
2$! General
2$!$! General
T.is s"-c.a&ter ?2 o) t.e rles contains %eneral reire$ents )or constrction o) $arine ca"les )or &er$anentinstallation+ Reire$ents a&&lica"le to s&eci)ic t#&e o) ca"les are )on( in t.e )ollo*in% s"-c.a&ters ?3 to?, an( $a# o&en )or soltions otsi(e t.e reire$ents in t.is s"-c.a&ter+ Ot.er constrctions an( $aterials$a# "e acce&te( *.en (esi%ne( )or s&ecial &r&oses+
2$2 Fire roerties
2$2$! General
All s*itc."oar( *ires, electrical ca"les an( *irin% e:ternal to ei&$ent s.all "e at least o) a )la$e-retar(ant t#&e+
Re)+ 6OD8 co(e <+=+G4
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.5 ables age %$1
2$" Con&'ctors
2$"$! Con&'ctors
a4 All con(ctors s.all consist o) &lain or $etal-coate( anneale( co&&er accor(in% to IEC =00G2-3<0 an( s.all "e stran(e( accor(in% to IEC =022 class 2 or class <+
"4 Class 1 soli( con(ctors4 is acce&te( )or Cat+ ca"les (ata co$$nication ca"les4 *.ere t.e ter$ination
asse$"l# &ro'i(es s))icient $ec.anical inte%rit#+c4 Class = is acce&te( )or )le:i"le ca"les
G'i&ance note>
T.e se o) ot.er con(ctor $etals $a# "e consi(ere( in a&&lications *.ere co&&er cannot "e se( )or c.e$icalreasons+ See Sec+10 ?2+@+1+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$"$2 Con&'ctor cross section
a4 Con(ctor cross sections s.all "e "ase( on t.e ratin% o) t.e o'er crrent an( s.ort circit &rotection se(+Ho*e'er t.e $ini$$ cross section s.all "e/
0+< $$2
)or 2<0 V ca"les an( s*itc."oar( *ires )or control an( instr$entation 1+0 $$2 )or &o*er circit s*itc."oar( *ires 1+0 $$2 )or 2<0 V an( 0+=1 !V &o*er ca"les *it. t.e )ollo*in% e:ce&tions/ 0+< $$ 2 $a# "e se(
)or )le:i"le ca"les s&&l#in% &orta"le cons$ers in acco$$o(ation s&aces, an( also )or internal *irin%o) li%.tin% )ittin%s, &ro'i(e( t.at t.e )ll loa( crrent is a $a:i$$ o) = A an( t.at t.e circitPs s.ortcircit &rotection is rate( at a $a:i$$ o) 10 A+
10 $$2 )or1+3 an( 3+== !V ca"les+ 1= $$2 an( &*ar(s )or ca"les a"o'e =10 !V as in(icate( in ta"le C2
"4 6ini$$ cross sections o) eart. con(ctors are %i'en in Sec+2+ Eart. con(ctors in ca"les s.all "einslate(, e:ce&t )or eart. con(ctors as s&eci)ie( in Ta"le 2-=+
2$, %ns'lating +aterials
2$,$! General re7'ire+ents *or ins'lating +aterials *or stan&ar& +arine cables
a4 T.e te$&eratre classes an( $aterials %i'en in Ta"le G-1 $a# "e se(+
"4 Electrical an( $ec.anical c.aracteristics s.all co$&l# *it. t.e s&eci)ications o) ta"le 2, 3 an( @,res&ecti'el# o) IEC =00G2-3<1+
c4 For ca"les inten(e( )or (#na$ic a&&lications )le:i"le ca"les4 ot.er $aterials $a# "e acce&te(+
2$- Wire brai& an& ar+o'r
2$-$! General
a4 Ca"le "rai(s s.all "e $a(e o) co&&er, co&&er allo#, or %al'anise( steel *ire+
"4 Brai( an(or ar$or s.all "e se&arate( )ro$ t.e core inslation "# an inner non-$etallic s.eat., "# ta&e or )i"ros "rai( or ro'in%+
c4 Irres&ecti'e o) t.e $etal se(, t.e no$inal (ia$eter o) t.e "rai( *ire s.all "e in accor(ance *it. Ta"le G-2+
Table 8:! Te+erat're classes *or ins'lating +aterials
#aterial Temperature 4$
ol#'in#l c.lori(e or VC4 0
Et.#lene &ro&#lene r""er ER4 G0
Halo%en )ree et.#lene &ro&#lene r""er HF ER4 G0
Har( %ra(e et.#lene &ro&#lene r""er HER4 G0Halo%en )ree .ar( %ra(e et.#lene &ro&#lene r""er HF HER4 G0
Cross lin!e( &ol#et.#lene E4 G0
Halo%en )ree cross lin!e( &ol#et.#lene HF E4 G0
Halo%en )ree cross lin!e( &ol#ole)in HF G04 G0
Silicone r""er, S G<414 G<
Halo%en )ree silicone r""er HF S G<414 G<
14 Silicon r""er onl# to "e se( to%et.er *it. a 'arnis.e( %lass "rai(
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h.# !ec.5 ables age %$3
"$2 S3itchboar& 3ires
"$2$! General
a4 Inslation $aterial s.all "e one o) t.e )ollo*in%/ VC, HER, HF HER, HF E, E or HFG0+
"4 T.e $ini$$ t.ic!ness o) inslation *alls s.all "e in accor(ance *it. Ta"le G-@+
, High )oltage cables
,$! Constr'ction o* cables rate& !$6" 91
,$!$! General
T.e constrction o) ca"les )or &er$anent installations s.all nor$all# co$&l# *it. t.e reire$ents o) IEC=00G2-3<3+
,$!$2 Mini+'+ thic9ness o* ins'lating 3alls
T.e $ini$$ a'era%e t.ic!ness o) inslatin% *alls s.all "e in accor(ance *it. Ta"le G-<+
Table 8:, Mini+'+ a)erage thic9ness o* ins'lating 3alls *or o3er cables 3ith rate& )oltage$/!$ 91
"ominal cross section ofconductor +mm= -
(esignation of the insulating compound
P9$/8
+mm-
PR 6& PR
S G
+mm-
H7P 6& H7P
6&
6PR 6& 6PR
+mm-
1+<2+<
@ to 1=2< to 3<
0+0+1+01+2
1+01+01+01+2
0+0+0+0+G
<00G<
120
1+@1+@1+=1+=
1+@1+@1+=1+=
1+01+11+11+2
1<01<2@0
300@00<00=30
1+2+02+2
2+@2+=2+2+
1+2+02+2
2+@2+=2+2+
1+@1+=1+
1+2+02+22+@
For s$aller cross sections t.an 1+< $$2, t.e inslation t.ic!ness s.all not "e less t.an s&eci)ie( )or 1+< $$ 2+ Ta"le G-@ is accor(in% to IEC =00G2-3<3 )or 0+=1+0 !V ca"les+
Table 8:- Mini+'+ a)erage thic9ness o* ins'lating 3alls *or o3er cables 3ith rate& )oltage !$6"91
"ominal cross section of conductor+mm= -
(esignation of the insulating compound
PR 6& PR
+mm-
H7P 6& H7P
6PR 6& 6PR
+mm-
10 - 0G< - 300
@00<00=30
2+22+@2+=2+2+
2+02+02+02+22+@
Ta"le G-< is accor(in% to IEC =00G2-3<3 )or 1+3 !V ca"les+
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h.# !ec.5 ables age %$4
,$2 Constr'ction o* high )oltage cables rate& abo)e !$6" 91
,$2$! General
a4 T.e constrction an( testin% o) ca"les )or &er$anent installations s.all nor$all# co$&l# *it. t.ereco$$en(ations o) IEC =00G2-3<@+
,$2$2 Mini+'+ thic9ness o* ins'lating 3alls
T.e $ini$$ a'era%e t.ic!ness o) inslatin% *alls s.all "e se( in accor(ance *it. Ta"le G-=+
- Control an& instr'+entation cables
-$! Constr'ction o* control an& instr'+entation cables rate& !-2- 1
-$!$! General
T.e constrction o) ca"les )or &er$anent installations s.all nor$all# co$&l# *it. t.e reire$ents o) IEC
"lication No+ =00G2-3=+
-$!$2 Mini+'+ thic9ness o* ins'lating 3alls
T.e $ini$$ a'era%e t.ic!ness o) inslatin% *alls s.all "e se( in accor(ance *it. Ta"le G-+
Re)+ IEC =00G2-3=4
/ Data co++'nication cables
/$! General
/$!$! GeneralData co$$nication ca"les i$&lies Cate%or# ca"les Cat4, )iel( "s ca"les, an( )i"re o&tic ca"les+
Cate%or# ca"les s.all "e constrcte( in accor(ance *it. IEC =11<=-1 an( -<+ Data co$$nication ca"lesa&&ro'e( in accor(ance *it. t.e DNV t#&e a&&ro'al &ro%ra$$e ;Stan(ar(s )or Certi)ication No+ 2+G, T#&e
Table 8:/ Mini+'+ a)erage thic9ness o* ins'lating 3alls *or high )oltage cables
"ominal cross% sectional area of
conductor mm=
"ominal thic*ness of insulation at rated voltage0 /0 +0 m -
?./ +C.=-*9 mm
/1 +1=-*9 mm
.C/1+1C.- *9
mm
1=/= +=>-*9 mm
1/? +?- *9
mm
10 2+< - - - -
1= 2+< 3+@ - - -
2< 2+< 3+@ @+< - -
3< 2+< 3+@ @+< <+< -
<0 to 1< 2+< 3+@ @+< <+< +02@0 2+= 3+@ @+< <+< +0
300 2+ 3+@ @+< <+< +0
@00 3+0 3+@ @+< <+< +0
<00 to 1000 3+2 3+@ @+< <+< +0
Table 8:4 Mini+'+ a)erage thic9ness o* ins'lating 3alls *orcontrol an& instr'+entation cables
"ominal cross section of
conductor +mm= -
(esignation of the insulating compound
P9$/8 PR
6& PR
+mm-
H7P 6& H7P
6PR 6& PR
+mm-
6& GS G
6& S G
+mm- Rated voltage .1/.= *9
0+<00+<1+01+<2+<
0+=0+=0+=0+0+
0+@0+<0+<0+=0+=
0+=0+=0+=0+0+
T.is ta"le is accor(in% IEC =00G2-3=+
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h.# !ec.5 ables age %$5
A&&ro'al ro%ra$$e No+ =-2+<0-2/ T#&e A&&ro'al ro%ra$$e )or Data Co$$nication ca"les> areacce&te(>+
Fiel( "s ca"les s.all "e constrcte( in accor(ance *it. IEC =11<-2+ Fi"re o&tic ca"les s.all "e constrcte( in accor(ance *it. IEC =0G3 an( IEC =0G@+ Fi"re o&tic ca"les
a&&ro'e( in accor(ance *it. t.e DNV t#&e a&&ro'al &ro%ra$$e ;Stan(ar(s )or Certi)ication No+ 2+G, T#&eA&&ro'al ro%ra$$e No+ =-2+<0-1/ T#&e A&&ro'al ro%ra$$e )or Fi"re O&tic ca"les> are acce&te(+
/$2 0ight3eight electrical cables/$2$! General
i%.t*ei%.t electrical ca"les a&&ro'e( in accor(ance *it. t.e DNV t#&e a&&ro'al &ro%ra$$e Stan(ar(s )or Certi)ication No+ 2+G, T#&e A&&ro'al ro%ra$$e No+ =-2+11-1/ 7ightweight lectrical $ables for ships/high
speed light craft and naval surface craft , are acce&te(+
4 Fle;ible electrical cables
4$! General
4$!$! General
Fle:i"le electrical ca"les a&&ro'e( in accor(ance *it. t.e DNV t#&e a&&ro'al &ro%ra$$e ;Stan(ar(s )or
Certi)ication No+ 2+G, T#&e A&&ro'al ro%ra$$e No+ =-2+13/ Fle:i"le Electrical Ca"les )or s.i&s.i%.s&ee(, li%.t cra)t an( na'al sr)ace cra)t>, are acce&te(+
6 %nsection an& testing
6$! General
6$!$! Factor. testing
a4 Ca"les s.all "e teste( at t.e $an)actres *or!s *it. t.e test s&eci)ie( in t.is &art o) t.e rles+ Tests note(as Rotine Test RT4 s.all "e carrie( ot on all ca"les+ Tests note( as ro(ct Sa$&le tests ST4 s.all "e
&er)or$e( as ran(o$ test at sita"le inter'als in or(er to ensre t.at &ro(cts )ro$ s"seent &ro(ctioncon)ir$ to reslt o) t#&e tests, ensrin% ;eal &ro(ction>+
"4 T.e )ollo*in% ins&ection an( tests s.all "e carrie( ot accor(in% to IEC =00G2-3<0/ c.ec!in% o) ca"le constrction @+1+2+24 $easre$ent o) electrical resistance o) con(ctor <+2+24 'olta%e test <+2+34 inslation resistance test <+2+@4 $ec.anical&articlar c.aracteristics o) inslatin% co$&on(s +34 $ec.anical&articlar c.aracteristics o) s.eat.in% co$&on(s +@4 .ot set test )or ER an( E inslation an( )or SE1 an( SHF 2 s.eat. =+4+
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h.# !ec.%$ 8nstallation age %%$
SECT%ON ! %NSTA00AT%ON
! General re7'ire+ents
!$! General
!$!$! GeneralRe)erence is $a(e to ot.er sections o) t.is c.a&ter, es&eciall# Sec+2 )or reire$ents a))ectin% location,arran%e$ents, an( installation o) s#ste$s in an earl# &roect sta%e, an( Sec+3 to Sec+G )or reire$entsa))ectin% t.e 'arios ei&$ent+
Ei&$ent in .aar(os areas s.all "e selecte(, locate( an( installe( accor(in% to Sec+11+
2 E7'i+ent
2$! E7'i+ent location an& arrange+ent
2$!$! General
a4 All electrical ei&$ent s.all "e &er$anentl# installe( an( ;electricall# sa)e>+ T.is s.all &re'ent inr# to &ersonnel, *.en t.e ei&$ent is .an(le( or toc.e( in t.e nor$al $anner+
Re) SOAS C.+ II-1@<+1+34
"4 All electrical ei&$ent s.all "e selecte( an( installe( so as to a'oi( E6C &ro"le$s+ T.s &re'entin%(istr"in% e$issions )ro$ ei&$ent, or &re'entin% ei&$ent )ro$ "eco$in% (istr"e( an( a))ectin% itsinten(e( )nctions4+
c4 Electrical ei&$ent s.all "e &lace( in accessi"le locations so t.at t.ose &arts, *.ic. reire $analo&eration, are easil# accessi"le+
(4 Heat (issi&atin% electrical ei&$ent as )or e:a$&le li%.tin% )ittin%s an( .eatin% ele$ents, s.all "e locate(an( installe( so t.at .i%. te$&eratre ei&$ent &arts (o not (a$a%e associate( ca"les an( *irin%, or a))ect srron(in% $aterial or ei&$ent, an( t.s "eco$e a )ire .aar(+
Re)+ SOAS C.+ II-1@<+4
e4 Ei&$ent s.all "e installe( in sc. a $anner t.at t.e circlation o) air to an( )ro$ t.e associate(ei&$ent or enclosres is not o"strcte(+ T.e te$&eratre o) t.e coolin% inlet air s.all not e:cee( t.ea$"ient te$&eratre )or *.ic. t.e ei&$ent is s&eci)ie(+
)4 All ei&$ent o) s$aller t#&e l$inaries, soc!et otlets etc+4 s.all "e &rotecte( a%ainst $ec.anical(a$a%e eit.er "# sa)e location or "# a((itional &rotection, i) not o) a r%%e( $etallic constrction+
%4 Reire$ents )or installation o) s*itc."oar(s %i'en in Sec+2 ?G+2+1 s.all also "e a&&lie( to installation o) trans)or$ers+
.4 Reire$ents )or rotatin% $ac.iner# arran%e$ent are %i'en in Sec+2 ?G+3+
i4 See Sec+2 ?G )or a((itional reire$ents )or o))s.ore nit arran%e$ent+
2$!$2 1entilation o* saces 3ith electrical e7'i+ent
T.e 'entilation s.all "e so arran%e( t.at *ater or con(ensation )ro$ t.e 'entilator otlets (oes not reac. an#n&rotecte( electrical ei&$ent+ See also Sec+2 ?G+1+1+
2$!$" High )oltage s3itchgear an& controlgear asse+blies
Access to .i%. 'olta%e s*itc.%ear roo$s an( trans)or$er roo$s s.all onl# "e &ossi"le to at.orise( an(instrcte( &ersonnel+
G'i&ance note>
Ei&$ent locate( in $ac.iner# s&aces $a# "e consi(ere( as "ein% accessi"le onl# to instrcte( &ersonnel+ T.e sa$ea&&lies to ei&$ent locate( in ot.er co$&art$ents t.at are sall# !e&t loc!e(, n(er t.e res&onsi"ilit# o) t.eo))s.ore nitPs cre*+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$!$, (assage in *ront or behin& s3itchgear
T.e &assa%e*a#s in )ront o) an( "e.in( 6ain an( E$er%enc# S*itc."oar(s s.all "e co'ere( "# $ats or %ratin%s o) oil resistant inslatin% $aterial, *.en t.e (ec! is $a(e o) a con(ctin% $aterial+ See also Sec+2?G+2+3 re%ar(in% )ree &assa%e *a#s )or 6ain an( E$er%enc# S*itc."oar(s+
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h.# !ec.%$ 8nstallation age %%%
G'i&ance note>
6ats co$&l#in% *it. IEC =1111 or ei'alent stan(ar( *ill "e acce&te(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$!$- Trans*or+ers
ii( i$$erse( trans)or$ers s.all "e installe( in an area or s&ace *it. &ro'isions )or co$&lete contain$ent
an( (raina%e o) lii( lea!a%e+2$!$/ Heating an& coo9ing aliances
a4 All co$"sti"le $aterials close to .eatin% an( coo!in% a&&liances s.all "e &rotecte( "# inco$"sti"le or inslatin% $aterials+
"4 Ca"lin% an( *irin% )ee(in%4 s.all "e sita"le )or t.e &ossi"le .i%.er te$&eratre in t.e ter$ination roo$o) sc. ei&$ent+
c4 A((itional &rotection o) IRJt#&e o) o&en .eatin% ele$ents s.all "e installe(, i) necessar# to %ar( a%ainst)ire an( acci(ental toc.in%+
(4 S&ace .eaters are nor$all# to "e installe( on a )ree "l!.ea( s&ace, *it. a"ot 1 $ )ree air a"o'e, an( sot.at )or e:a$&le (oors cannot toc. t.e .eaters+ I) not constrcte( *it. an incline( to& &late, an &er)orate(
&late o) inco$"sti"le $aterial incline( a"ot 30 s.all "e $onte( a"o'e eac. .eater+ S&ace .eaters s.all
not "e "ilt into casin%s o) *oo(*or! or ot.er co$"sti"le $aterial2$2 E7'i+ent enclos're? ingress rotection
2$2$! Enclos're t.es in relation to location
Ei&$ent enclosres s.all co$&l# *it. Ta"le 10-1 in relation to t.e location o) *.ere it is installe( an( )or .i%. 'olta%e ei&$ent, see Sec+3 ?@+
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DE T NORS K
E VE RI T AS AS
Table !:! Enclos're t.es in relation to location
7ocation Switchgear andtransformers
7uminaries Rotatingmachines
6eatingappliances
Soc*etoutlets
#is swit
En%ine an( "oiler roo$s1<4
A"o'e t.e )loor I 22 I 22 I 22 I 22 I @@ I @
Belo* t.e )loor N I @@ I @@ I @@ N I @
Dr# control roo$s an( s*itc."oar( roo$s I 21 14 I 22 I 22 I 22 I 22 I 2
Close( co$&art$ents )or )el oil an(l"rication oil se&arators
I @@ I @@ I @@ I @@ N I @
Fel oil tan!s 24 N N N N N N
Ballast an( ot.er *ater tan!s, "il%e *ells 24 N N I = I = N N
Ventilation (cts N N 134 I @@ 134 N N N
Dec!.oses, )orecastle s&aces, steerin% %ear co$&art$entsan( si$ilar s&aces
I 22 34 I 22 I 22 34 I 22 I @@ I @
Ballast &$& roo$s, col$ns "elo* $ain (ec! an( &ontoons an( si$ilar roo$s "elo* t.e loa( line
I @@ 1@4 I @@ I @@ 1@4 I @@ I <= <4 I <
Car%o .ol(s @4 N I << I @@ N I <= <4 I <
O&en (ec!, !eel (cts 1<4 I <= I << I <= =4 I <= I <= <4 I <
Batter# roo$s, &aint stores, %as *el(in% %as "ottle stores or
areas t.at $a# "e .aar(os (e to t.e car%o or &rocesseson"oar( 4
E124 E 124 E 124 E 124 E124 E
Dr# acco$$o(ation s&aces I 20 I 20 I 20 I 20 I 20 I 2
Bat. roo$s an( s.o*ers N I @@ 114 N I @@ N G4 I <
alle#s, lan(ries an( si$ilar roo$s 104 I @@ I @@ I @@ I @@ I @@ I @
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %%0
2$" 5atteries
2$"$! General
Batter# installations s.all co$&l# *it. t.e reire$ents in Sec+2 ?G ea( Aci( or NiC( tec.nolo%#4 or DNVRles )or Classi)ication o) S.i&s t+= C.+2 Sec+3 ot.er "atter# tec.nolo%ies4 re%ar(in% reire$ents )or t.eir location, co$&art$ents etc+
2$"$2 MaterialsT.e )ollo*in% reire$ents a&&l# to all stationar# acc$lator "atteries/
a4 Batter# stan(s, "o:es an( loc!ers s.all "e )i:e( to t.e o))s.ore nitPs strctre+ T.e "atteries s.all "e )i:e(or s&&orte( on t.e s.el'es+ S.el'es an( )i:in%s s.all "e constrcte( to *it.stan( t.e )orces i$&arte( )ro$t.e "atteries, (rin% .ea'# sea+
"4 All $aterials se( )or t.e constrction, incl(in% 'entilation (cts an( )ans, s.all "e corrosion resistant or s.all "e &rotecte( a%ainst corrosion "# sita"le &aintin%, *it. consi(eration %i'en to t.e t#&e o) electrol#teactall# se(+
c4 T.e $aterials s.all "e at least )la$e retar(ant, e:ce&t t.at i$&re%nate( *oo( can "e se( )or t.e s&&orto) "atter# cells, an( )or "atter# "o:es on (ec!+
(4 E:ce&t *.en corrosion resistant $aterials are se(, t.e s.el'es in "atter# roo$s an( loc!ers an( t.e "otto$
o) "atter# "o:es s.all "e co'ere( *it. a linin% o) corrosion resistant $aterial, .a'in% a $ini$$ t.ic!nesso) 1+< $$ an( "ein% carrie( & not less t.an < $$ on all si(es e+%+ lea( s.eat. )or lea( an( aci( "atteries,steel )or al!aline "atteries4+ I) t.e s.el'es in "atter# roo$s an( loc!ers are o) corrosion resistant $aterialsan( t.e )loor is not, eit.er t.e s.el'es or t.e )loor s.all "e co'ere( *it. sc. linin%+
2$"$" Testing
T.e )ollo*in% tests an( ins&ections s.all "e &er)or$e( "e)ore "atteries are &t into ser'ice/
'entilation s.all "e 'eri)ie(, incl(in% natral 'entilation ca&acit# tests, 'olta%e $easre$ents alar$s an( $onitorin% )nctions+
2$"$, Mar9ing an& signboar&s
See ?2+<+2 )or t.e reire$ents )or $ar!in% an( si%n"oar(s, *it. res&ect to "atter# installations+
2$, (rotecti)e earthing an& bon&ing o* e7'i+ent
2$,$! General
a4 Eart. con(ctors s.all nor$all# "e o) co&&er+ Ho*e'er, ot.er sita"le $aterials $a# "e acce&te( i), )or e:a$&le t.e at$os&.ere is corrosi'e to co&&er+
"4 T.e eart. con(ctorPs cross section s.all "e ei'alent to t.at o) co&&er *it. re%ar( to con(cti'it#+A&&lica"le arran%e$ents an( cross sections are %i'en in Ta"le 2-=+
c4 T.e connection to t.e .ll o) eart. con(ctors or ei&$ent enclosre &arts, *.ic. s.all "e eart.e(, s.all "e $a(e "# corrosion resistant scre*s or cla$&s, *it. cross section corres&on(in% to t.e reire( crosssection o) eart. %i'en in Sec+2 ?10+@+1+
(4 Eart.in% scre*s an( cla$&s s.all not "e se( )or ot.er &r&oses+ Sita"le star *as.ers an( con(ctor
ter$inals s.all "e se(, so t.at a relia"le contact is ensre(+
e4 6etal enclosres or ot.er e:&ose( con(cti'e &arts "ein% a &art o) electrical ei&$ent s.all "e eart.e( "#)i:in% t.e $etal enclosre or e:&ose( &arts in )ir$ con(cti'e4 contact to t.e .ll $ain eart. &otential4or "# a se&arate eart. con(ctor+
)4 orta"le ei&$ent s.all al*a#s "e eart.e( "# an eart. con(ctor containe( in t.e )le:i"le s&&l# ca"le+
%4 All e:traneos con(cti'e &arts s&&ortin% electrical ei&$ent an( ca"le s&&ort s#ste$s, t.at is la((ers, &i&es an( (cts )or electrical ca"les, are consi(ere( to "e in )ir$ electrical contact *it. t.e .ll as lon% asele$ents are *el(e( or $ec.anicall# attac.e( $etal to $etal *it.ot &aint or coatin%4 *it. a star *as.er,t.ere"# ensrin% a )ir$ con(cti'e contact+ I) )ir$ electrical contact is not ac.ie'e(, t.e &arts s.all "e
"on(e( "# a se&arate co&&er con(ctor "et*een e:traneos &arts an( t.e .ll+
.4 A((itional &recations s.all "e a&&lie( re%ar(in% eart.in% o) &orta"le electrical ei&$ent )or se incon)ine( or e:ce&tionall# (a$& s&aces *.ere &articlar ris!s (e to e:&osre an( con(cti'it# $a# e:ist+
i4 Hi%. 'olta%e $etal enclosres an( t.e steel .ll s.all "e connecte( "# a se&arate eart. con(ctor+ T.eenclosres )i:in% (e'ice s.all not "e t.e sole eart.in% connection o) t.e enclosre+
4 I) a se&arate eart.in% con(ctor is c.osen )or ei&$ent, t.en t.e connection o) t.e se&arate eart.con(ctor to t.e .ll, sa)e eart. &otential4 s.all "e $a(e in an accessi"le &osition+ T.e con(ctor s.all "e
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %%1
ter$inate( "# a &ressre t#&e ca"le l% onto a corrosion &rotecte( "olt, *.ic. s.all "e secre( a%ainstloosenin%+ Ot.er sita"le ter$inatin% s#ste$s )or (irect recei&t o) t.e con(ctor $a# "e consi(ere(+
G'i&ance note>
A((itional &recations in i4 $i%.t "e/ T.e ei&$ent .a'in% e:tra sa)e lo* 'olta%e, or )or or(inar# 230 V ei&$ent, "# sin% a sa)et# trans)or$er s#ste$ or "# .a'in% an eart. )alt s*itc. o) $a:i$$ 30 $A in )ront o) t.e circit+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
2$,$2 E;cetions to the earthing or bon&ing re7'ire+ents
a4 I) one o) t.e )ollo*in% con(itions is )l)ille(, t.e reire$ents in ?2+@+1 $a# "e o$itte(/
ei&$ent s&&lie( at a 'olta%e not e:cee(in% <0 V DC or AC "et*een con(ctors+ Ato-trans)or$erss.all not "e se( )or t.e &r&ose o) ac.ie'in% t.is 'olta%e
ei&$ent s&&lie( at a 'olta%e not e:cee(in% 2<0 V "# sa)et# isolatin% trans)or$er an( t.etrans)or$er is s&&l#in% onl# one cons$er (e'ice
ei&$ent constrcte( in accor(ance *it. t.e &rinci&le o) (o"le inslation+
"4 arts )i:e( to non-con(cti'e $aterials, an( se&arate( )ro$ crrent carr#in% &arts an( )ro$ eart.e( &artsin sc. a *a# t.at t.e# cannot "eco$e li'e n(er nor$al or electrical )alt con(itions+
c4 Bearin% .osin%s *.ic. are inslate( in or(er to &re'ent circlatin% crrents+
(4 Ca"le cli&s (o not nee( &rotecti'e eart.in%+
2$,$" Di+ension o* rotecti)e earth an& bon&ing con&'ctors
For (i$ension o) &rotecti'e eart. an( "on(in% con(ctors, see Sec+2 ?10+@+
2$- E7'i+ent ter+ination? &isconnection? +ar9ing
2$-$! General
All ei&$ent s.all "e installe( an( ter$inate( in accor(ance *it. $an)actrerPs instrctions to ensre t.atcorrect )nctions an( sa)e &ro&erties are containe(+
2$-$2 Signboar&s *or e7'i+ent
a4 a"els na$e&lates4 o) (ra"le $aterial, "earin% clear an( in(eli"le in(ications, s.all "e so &lace( t.at allei&$ent necessar# )or t.e o&eration can "e easil# i(enti)ie(+ All la"els s.all "e &er$anentl# )i:e(+
"4 All ei&$ent s.all, i) necessar#, "e $ar!e( so as to ensre correct se+ Si%n"oar(s %i'in% %i(ance )or sa)e se, or con(itions )or se, s.all "e )itte(, i) necessar#, in or(er to a'oi( ina('ertent or (an%eroso&eration o) ei&$ent an( or s#ste$s+
c4 ;Hi%. 'olta%e> *arnin% si%n"oar(s are reire( on all .i%. 'olta%e ei&$ent+
(4 Hi%. 'olta%e ca"les s.all "e sita"l# $ar!e( *it. ;.i%. 'olta%e> *arnin% si%n"oar(s, at least )or e'er# 20$, so t.at a si%n"oar( is al*a#s 'isi"le, nless color co(in% o) ca"les .as "een se(+
e4 On rotatin% $ac.ines, on (ec!, t.at are not natrall# coole(, i+e+ *it. e:ternal coolin% )an, a si%n"oar( s.all "e )itte( on t.e $ac.ines reirin% t.at t.e $ac.ines s.all onl# "e se( in &ort an( "e &ro'i(e( *it.a((itional co'ers e+%+ tar&alins4 *.en at sea+ See Ta"le 10-1, note =+
)4 At eac. soc!et otlet )or &orta"le a&&liances *.ere 1000 V is acce&te(, e+%+ *el(in% trans)or$ers,re)ri%erate( containers etc+, *.ic. are not .an(-.el( (rin% o&eration4 an a((itional *arnin% si%n s.all "e)itte(, *it. t.e te:t/ DANER $a:i$$ 'olta%e4 V AC ON^ FOR CONNECTION OF++++t#&e o) ei&$ent4++++
%4 Si%n"oar(s s.all "e )itte( in "atter# roo$s an( on (oors or co'ers o) "o:es or loc!ers, *arnin% a%ainst ris! )or e:&losi'e %as, s$o!in% an( t.e se o) na!e( li%.ts+
.4 All "atteries s.all "e &ro'i(e( *it. la"els na$e&lates4 o) (ra"le $aterial, %i'in% in)or$ation on t.ea&&lication )or *.ic. t.e "atter# is inten(e(, $a!e, t#&e, 'olta%e an( ca&acit#+ Instrctions s.all "e )itte(eit.er at t.e "atter# or at t.e c.ar%in% (e'ice, %i'in% in)or$ation on $aintenance an( c.ar%in%+
i4 Batter# s#ste$s a"o'e <0 V s.all "e $ar!e( *it. s&ecial 'isi"le *arnin% si%n"oar(, i+e+ ;arnin% :::'olta%e>+
4 E$er%enc# li%.tin% )i:tres s.all "e $ar!e( )or eas# i(enti)ication+
2$/ Neon lighting
2$/$! General
a4 Neon t"es )or 'olta%e a"o'e 1 000 V, <0 H, s.all "e installe( at least 2+< $ a"o'e t.e )loor+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %%2
"4 Eac. circit s.all .a'e circit &rotection rate( at $a:i$$ 1= A+
c4 T.e on an( o)) s*itc. s.all "e clearl# $ar!e(+ T.e s*itc. is not acce&te( on t.e secon(ar# si(e o) t.etrans)or$er+
(4 Ca"les an( *ires s.all .a'e "rai(in%, ar$or or "e )itte( in an eart.e( &i&e+
2$4 0ighting *i;t'res
2$4$! General
For installation o) li%.tin% )i:tres, t.e con(ctor inslation $aterial o) t.e installation ca"le s.all "e sita"le)or t.e )i:tre "ein% installe(+ re)era"l#, t.e li%.tin% )i:tre s.all &ro'i(e a s.iel(in% "et*een t.e li%.tin%t"es an( t.e ter$ination &art )or t.e e:ternal ca"le+ I) t.ere is no s.iel(in% "et*een t.e li%.tin% t"e an( t.eter$ination &art )or t.e installation ca"le, t.e installation ca"le s.all .a'e an inslatin% $aterial o) itscon(ctors t.at is 8V resistant+
" Cables
"$! General
"$!$! General
a4 Ca"le siin% *it. res&ect to crrent carr#in% ca&acit# an( s.ort circit *it.stan( ca&a"ilities s.all co$&l#*it. t.e reire$ents in Sec+2+
"4 For reire$ents )or ca"le constrction an( $aterials, see Sec+G+
c4 For installation o) li%.tin% )i:tres, see ?2++1+
G'i&ance note>
8se o) ca"les *it. lo* e$ission o) s$o!e in case o) a )ire, s.ol( "e consi(ere( )or all in(oor installations+ In areas*.ere ei&$ent sensiti'e to corrosion is installe( or !e&t, se o) Halo%en )ree ca"les s.ol( "e consi(ere( to a'oi(corrosi'e s$o!e in case o) a )ire, as )ar as is &ractica"le+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$!$2 (ainting o* cables
Electrical ca"les $a# "e coate( or &ainte(, "t t.is s.all not a('ersel# a))ect t.e $ec.anical, c.e$ical or )ireresistant c.aracteristics o) t.e s.eat.+
G'i&ance note>
T.e Societ# .as e:&erience )ro$ ca"les (a$a%e( "# t*o co$&onent e&o:# &aintin% "on(in% to t.e s.eat. $aterial+
8nless t.e #ar( .as e:&erience *it. t.e co$"ination o) &aint an( ca"le t#&e se(, *e reco$$en( t.e #ar( to consltt.e $an)actrers
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$!$" Cable brai&ar+o'r
Ca"les *it. "rai( or ar$or *it.ot oter s.eat. )or corrosion &rotection is acce&te( *it. t.e )ollo*in%e:ce&tions/
*.en installe( in .aar(os areas see Sec+11 ?@+2+14 *.en t.e "rai(in% is se( )or &rotecti'e eart.in%+
"$!$, Corrosion rotection
Brai( or ar$or o) lea(, "rone or co&&er s.all not "e installe( in contact *it. al$ini$ allo# strctres,e:ce&t in (r# acco$$o(ation s&aces+
"$!$- Fle;ible cables
T.e se o) )le:i"le ca"les s.all "e li$ite( to a&&lications *.ere )le:i"ilit# is necessar#, an( t.e len%t.s o) sc.)le:i"le ca"les s.all "e !e&t as s.ort as &ractica"le+ S&ecial reire$ents $a# "e $a(e to t.e t#&e, installationan( &rotection o) )le:i"le ca"les, (e&en(in% &on t.e a&&lication+
"$!$/ High )oltage cablesInstallation o) .i%. 'olta%e ca"les in acco$$o(ation s&aces is not &er$itte( nless reire( "# t.e a&&lication+T.e necessit# )or s&ecial &rotection s.all "e e'alate( *.en .i%. 'olta%e ca"les are installe( in acco$$o(ations&aces, )or &re'ention o) .ar$)l e))ects to &ersonnel )ro$ ca"le s.ort circits, an( stron% electro$a%netic)iel(s+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %%3
"$!$4 Fibre otic cables
Tensile stress a&&lie( to )i"re o&tic ca"les )or an# reason (rin% t.e installation &erio( or (rin% nor$alo&eration s.all not e:cee( t.e $a:i$$ allo*e( 'ale state( "# t.e $an)actrer+
"$2 Ro'ting o* cables
"$2$! General
eneral reire$ents )or rotin% o) ca"les are %i'en in Sec+2 ?G+<+
"$2$2 Segregation o* lo3 an& high )oltage cables
a4 o* 'olta%e &o*er ca"les s.all not "e "nc.e( to%et.er *it., or rn t.ro%. t.e sa$e &i&es as, or "eter$inate( in t.e sa$e "o: as, ca"les )or .i%. 'olta%e+
"4 Hi%. 'olta%e ca"les are not to "e installe( on t.e sa$e ca"le tra# )or t.e ca"les o&eratin% at t.e no$inals#ste$ 'olta%e o) 1 !V an( less+
Re)+ IACS 8R E114
"$2$" Secial reca'tions *or single core cables
.en t.e se o) sin%le core ca"les or &arallel connection o) con(ctors o) $lticore ca"les is necessar# )or ACcircits *it. no$inal crrent e:cee(in% 20 A t.e )ollo*in% a&&l#/
a4 Ar$or or "rai(in% on sin%le core ca"les s.all "e o) non-$a%netic t#&e+
"4 I) &ro'i(e(, t.e non-$a%netic ar$or or "rai(in% s.all "e eart.e( at one en(, onl# see ?3+G+@4+
c4 Sin%le core ca"les "elon%in% to t.e sa$e circit s.all "e containe( *it.in t.e sa$e &i&e, con(it or trn!+Cla$&s t.at )i: t.e$ s.all incl(e all &.ases+
(4 T.e &.ases s.all "e lai( as close as &ossi"le an( &re)era"l# in a trian%lar )or$ation+
e4 6a%netic $aterial s.all not "e se( "et*een sin%le core ca"les )or one cons$er+ All &.ases "elon%in% tot.e sa$e circit s.all "e rn to%et.er in a co$$on "l!.ea( &enetration 6CT4, nless t.e &enetrations#ste$ is o) non-$a%netic $aterial+ 8nless installe( in a trian%lar )or$ation, t.e (istance "et*een t.eca"les an( $a%netic $aterial s.all "e < $$+
)4 Circits *it. se'eral sin%le core ca"les )or eac. &.ase )or$in% %ro&s4 s.all )ollo* t.e sa$e rote an(
.a'e t.e sa$e cross sectional area+%4 T.e ca"les "elon%in% to t.e sa$e &.ase s.all as )ar as &ractica"le alternate *it. t.ose o) t.e ot.er &.ases,
so t.at an neal (i'ision o) crrent is a'oi(e(+
.4 For )i:in% o) sin%le core ca"les, see ?3+<+=+
i4 For DC-installations *it. a .i%. ;ri&&le> content e+%+ t.#ristor SCR4 nits4, t.e reire$ents a"o'e area&&lica"le+
"$2$, Accessible cable r'ns
a4 Ca"le rns s.all "e accessi"le )or later ins&ection, e:ce&t ca"les carrie( in &i&es+
"4 .en ca"le rns are carrie( "e.in( *all linin% in acco$$o(ation s&aces e:ce&t *.en carrie( in &i&es4,t.e &anels s.all "e .in%e( or )i:e( )or e:a$&le "# scre*s, so t.at t.e# can "e re$o'e( )or ins&ection*it.ot (a$a%in% t.e ca"le or t.e "l!.ea(+
c4 E:ce&tions can "e $a(e )or ca"les to li%.t )ittin%s, s*itc.es, soc!et otlets etc+ in (r# acco$$o(ations&aces, *.en t.e (ec!.ea( an( "l!.ea( constrctions are $a(e o) inco$"sti"le $aterials+
"$" (enetrations o* b'l9hea& an& &ec9s
"$"$! General
a4 enetrations s.all $eet t.e )ire an( *aterti%.t inte%rit# o) t.e "l!.ea( or (ec!+
"4 T.e &enetrations s.all "e carrie( ot eit.er *it. a se&arate %lan( )or eac. ca"le, ca"le transits, or *it. "o:esor &i&es )ille( *it. a sita"le )la$e retar(ant &ac!in% or $ol(e( $aterial *.en t.ose are &t "et*eenareas or s&aces *it. (i))erent )ire or *ater inte%rities+
c4 T.e installation s.all "e in accor(ance *it. t.e $an)actrersP installation instrctions+
(4 Fire rate( &enetrations s.all "e (oc$ente( as reire( "# DNV-OS-D301+G'i&ance note>
enetrations o) *aterti%.t "l!.ea(s s.ol( "e &lace( as .i%. as &ractica"le+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %%4
"$"$2 Watertight internal b'l9hea& or &ec9
I) ca"les are &assin% t.ro%. *aterti%.t "l!.ea(s an(or (ec!s, it s.ol( "e 'eri)ie( t.at t.e &enetrations area"le to *it.stan( t.e &ressre it $a# "e e:&ose( to+ T.e installation reire$ent $a(e "# $an)actrer s.all
"e )ollo*e(+
G'i&ance note>
enetrations o) *aterti%.t "l!.ea(s s.ol( "e &lace( as .i%. as &ractica"le+
No co$&on( or &ac!in% is reire( )or "o:es or &i&es on t.e "l!.ea( or (ec! *.en ca"les are &assin% "et*eenareas or s&aces *it. sa$e *ater or )ire inte%rit#+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$"$" Weathertight &ec9ho'se b'l9hea&s an& &ec9s
Ca"le &enetrations are to "e carrie( ot so t.at t.e# are ca&a"le o) &re'entin% *ater to enter (rin% inter$ittents"$ersion n(er an# *in( or *a'e con(ition & to t.ose s&eci)ie( as critical (esi%n con(itions+
G'i&ance note>
enetration *it. ;"en(e( &i&e> %oose nec!4 is acce&ta"le as lon% t.e &i&e is &ro&erl# )ille( *it. co$&on( an( &ro'i(in% t.at t.e inte%rit# o) t.e *ater ti%.t "l!.ea(s an( (ec! is not a))ecte(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$"$, Ther+al ins'lationCa"le rns s.all not "e lai( in or co'ere( *it. t.er$al inslation e+%+ t.ro%. re)ri%erate( car%o .ol(s4, "t$a# cross t.ro%. sc. inslation+
"$"$- Hot oil ies near to enetrations
T.e (istance )ro$ ca"le &enetrations to )lan%es o) stea$ or .ot oil &i&es s.all not "e less t.an 300 $$ )or stea$or .ot oil &i&es *it. (ia$eter D ≤ < $$, an( not less t.an @<0 $$ )or lar%er &i&es+
"$"$/ Cha*ing
enetrations o) "l!.ea(s an( (ec!s s.all "e sc. t.at t.e ca"les are not c.a)e(+
Re)+ SOAS C.+ II-1@<+<+<4
"$"$4 Mechanical s'ort o* enetrations
T.e ca"le s.all .a'e $ec.anical )i:in% on "ot. si(es o) a "l!.ea( &enetration+
"$, Fire rotection +eas'res
"$,$! General
T.e ca"le installation s.all "e &rotecte( a%ainst )ire, )ire s&rea(in%, t.er$al, $ec.anical, corrosi'e an(strain (a$a%e+
Re)+ SOAS C.+ II-1@<+<+24
"$,$2 Fla++able +aterials
Ca"les s.all not "e installe( in contact *it. )la$$a"le $aterials sc. as *oo(en "l!.ea(s, *.en t.econ(ctor te$&eratre e:cee(s G<UC at )ll loa(, at t.e actal a$"ient te$&eratre+
"$,$" (reca'tions against *ire srea&ing in cable b'nches
Ca"les t.at are installe( in "nc.es s.all .a'e "een teste( in accor(ance *it. a reco%nise( )ire test )or ca"lesinstalle( in "nc.es, sc. as t.e test s&eci)ie( in IEC =0332-3, or "e &ro'i(e( *it. &rotection accor(in% to ?3+@+@+
Inter&retation/
A ca"le "nc. in t.is conte:t is (e)ine( as )i'e or $ore ca"les lai( close to%et.er in trn!s )ro$ $ac.iner#s&aces an( in s&aces *it. a .i%. ris! o) )ire, an( $ore t.an 10 ca"les in ot.er areas+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
"$,$, Cable b'nches not co+l.ing 3ith %EC /""2:" or other recognise& stan&ar& *ire srea& test
a4 Ca"le "nc.es, not co$&l#in% *it. )la$e retar(ant &ro&erties accor(in% to IEC =0332-3, s.all "e &ro'i(e(
*it. )ire sto&s .a'in% at least class B-0 &enetration &ro&erties at t.e )ollo*in% locations/
ca"le entries at t.e $ain an( E$er%enc# S*itc."oar(s *.ere ca"les enter en%ine control roo$s ca"le entries at centralise( control &anels )or &ro&lsion $ac.iner# an( essential a:iliaries
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %%5
at eac. en( o) totall# enclose( ca"le trn!s+
A((itional )ire sto&s nee( not "e )itte( insi(e totall# enclose( ca"le trn!s+
"4 In enclose( an( se$i-enclose( s&aces, ca"le rns not co$&l#in% *it. )la$e retar(ant &ro&erties accor(in%to IEC =0332-3, s.all "e &ro'i(e( *it. )ire sto&s .a'in% at least B-0 &enetrations/
at e'er# secon( (ec! or a&&ro:i$atel# = $etres )or 'ertical rns
at e'er# 1@ $etres )or .oriontal+Alternati'el#, to a((itional )ire sto&s, )ire &rotecti'e coatin% $a# "e a&&lie( to t.e ca"le "nc. accor(in%to t.e )ollo*in%/
to t.e entire len%t. o) 'ertical rns to at least 1 $ in e'er# 1@ $ )or .oriontal rns+
Alternati'el#, t#&e a&&ro'e( )ire &rotecti'e coatin% or $ats installe( as (escri"e( in t.e t#&e a&&ro'alcerti)icate can "e acce&te(+
"$,$- Fire resistance o* enetrations
.ere ;A> or ;B> class "l!.ea(s or (ec!s are &enetrate( )or t.e &assa%e o) electrical ca"les, arran%e$entss.all "e $a(e to ensre t.at t.e )ire resistance o) t.e "l!.ea(s or (ec!s, is not i$&aire(+
Inter&retation/
Ca"le transits in ;A>, ;B> or ;F> class (i'isions s.ol( not .a'e $ore t.an @0 o) t.e insi(e cross sectionalarea o) t.e transit occ&ie( "# ca"les+ T.e installation s.ol( "e in accor(ance *it. t.e transit$an)actrerPs instrctions+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
"$,$/ Fire resistant cables
For reire$ents )or )ire resistant ca"le, see Sec+2 ?10+1+2+
"$- S'ort an& *i;ing o* cables an& cable r'ns
"$-$! General
Ca"les s.all "e rote( on ca"le tra#s, la((ers or in &i&es (e(icate( )or t.is &r&ose+ Ca"les )or sin%le cons$erss.all .a'e s&&ort to t.e ei&$ent *it. s&acin% an( a))i:in% as note( in ?3+<+<+
Ca"le la((ers, tra#s an( ca"le &i&es s.all not "e se( )or carr#in% *ater, oil or stea$ &i&es+ H#(ralic &i&es)or 'al'e control are e:e$&te(+ Ot.er e:e$&tions $a# "e consi(ere( in eac. case+
"$-$2 Cable la&&er or tra. +aterial an& +echanical re7'ire+ents
a4 Ca"le la((ers an( tra#s *it. t.eir )i:in% (e'ices s.all "e $a(e o) steel a(eatel# &rotecte( a%ainstcorrosion, al$ini$ or t#&e teste( non-$etallic $aterials *it. eal &ro&erties+
"4 Strctre an( ca"le tra# $a(e o) (i))erent $etals t.at can case %al'anic corrosion is onl# acce&te( )or in(oor installations+ T.e )i:in% $et.o( s.all ensre &rotection a%ainst %al'anic corrosion+ T.e ca"le tra#s.all, i) )i:e( "# inslatin% &a(s or &ieces, .a'e $etallic connections to t.e strctre )or eart.in% &r&ose+
c4 Ca"le tra#s or &rotecti'e casin%s $a(e o) &lastic $aterials s.all "e s&&le$ente( "# $etallic )i:in% an(stra&s sc. t.at in e'ent o) a )ire t.e#, an( t.e ca"le a))i:e(, are &re'ente( )ro$ )allin% an( casin% aninr# to &ersonnel an(or an o"strction to an# esca&e rote+
T.e loa( on t.e ca"le tra#s or &rotecti'e casin%s s.all "e *it.in t.e Sa)e or!in% oa( S4+ T.e s&&orts&acin% s.all not "e %reater t.an $an)actrerPs reco$$en(ation nor in e:cess o) s&acin% at t.e S test+ In%eneral t.e s&acin% s.all not e:cee( 2 $+
Re)+ IACS 8R E 1=4
G'i&ance note>
T.e ter$ ;ca"le la((er> incl(es s&&ort "rac!ets+ T.e ter$ ;ca"le tra#> $eans constrctions "ein% )or$e( "#continos tra# &lates or strctral steel+
A(eate &rotection a%ainst corrosion $a# "e stainless steel, .ot (i&&e( %al'anise( steel or "lac! steel a(eatel#coate( in accor(ance *it. a $arine coatin% stan(ar(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$-$" Mechanical rotection o* cables an& cable r'ns
a4 Ca"les s.all "e so installe( t.at t.e# are not li!el# to s))er $ec.anical (a$a%e+ I) necessar#, t.e# s.all "e
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %#%
"$-$/ Fi;ing o* single core cables
In or(er to %ar( a%ainst t.e e))ects o) electro(#na$ic )orces (e'elo&in% on t.e occrrence o) a s.ort circit or eart. )alt, sin%le core ca"les s.all "e )ir$l# )i:e(, sin% s&&orts o) stren%t. a(eate to *it.stan( t.e(#na$ic )orces corres&on(in% to t.e &ros&ecti'e )alt crrent at t.at &oint o) t.e installation+ T.e )i:in% cla$&so) t.e ca"les s.ol( not (a$a%e t.e ca"le *.en t.e )orces a))ect t.e ca"les (rin% a 1 s s.ort circit &erio(+
G'i&ance note>
6an)actrerPs instrctions )or installation *it. res&ect to &ros&ecti'e )alt crrent s.ol( "e )ollo*e(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$/ Cable e;ansion
"$/$! E;ansion o* cable r'ns
Ca"le rns an( "l!.ea( &enetrations s.all "e installe( so t.at t.e# (o not ta!e & .ll )orces case( "# t.eo))s.ore nitPs $o'e$ents, (i))erent loa( con(itions an( te$&eratre 'ariations+
"$/$2 Cables across e;ansion =oints
a4 T.e installation o) electric ca"les across e:&ansion oints in an# strctre s.all "e a'oi(e(+ .ere t.is isnot &ractica"le, a loo& o) electric ca"le o) len%t. s))icient to acco$$o(ate t.e e:&ansion o) t.e oint s.all
"e &ro'i(e(+ T.e internal ra(is o) t.e loo& s.all "e at least 12 ti$es t.e e:ternal (ia$eter o) t.e ca"le+
"4 All ca"les s.all "e )astene( on eac. si(e o) an e:&ansion loo&, sc. t.at all relati'e $o'e$ent "et*eenstrctre an( ca"le is ta!en & at t.is &oint, an( not in t.e rest o) t.e ca"le rn+
"$/$" Cable tra.s an& ies r'n in the length o* the o**shore 'nit
a4 Ca"le tra#s or &i&es rn in t.e len%t. o) t.e o))s.ore nit s.all "e (i'i(e( into a n$"er o) sections eac.ri%i(l# )i:e( to t.e (ec! at one &oint onl# an( sli(in% s&&orts )or t.e rest o) t.e section+
"4 T.e e:&ansion an( co$&ression &ossi"ilit# s.all ensre t.at t.e ca"les (o not "eco$e )ll# stretc.e( (rin%o&eration+ T.e e:&ansion an( co$&ression &ossi"ilit# s.all "e at least ±10 $$ )or e'er# 10 $ sectionlen%t. )ro$ t.e )i:in% &oint+
c4 T.e ca"les s.all "e )i:e( to t.e tra# as reire( "# ?3+<, an( at eac. e:&ansion an( co$&ression &oint, t.eca"le s.all .a'e a(eate roo$ )or "en(in% an( stretc.in%+
(4 .en &lle( in &i&es, t.e ca"le s.all "e )i:e( to t.e &i&e at "ot. en(s o) eac. section+ Eac. &i&e section
s.all "e installe( *it.ot t.e &ossi"ilit# )or e:&ansion *it.in t.e section+
G'i&ance note>
.en &i&es are oine( "# t.e se o) e:&ansion oints, t.e &i&e en(s *ill not satis)# t.e a"o'e reire$ents+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$4 Cable ies
"$4$! Cable ies
a4 Ca"les t.at are carrie( in t.e sa$e &i&e s.all "e o) sc. constrction t.at t.e# cannot case (a$a%e to eac.ot.er+
"4 T.e &i&es s.all "e sita"l# s$oot. on t.e interior an( &rotecte( a%ainst corrosion+ T.e en(s s.all "e s.a&e(
or "s.e( in sc. a *a# t.at t.e ca"le co'erin% is not (a$a%e(+ T.e &i&es s.all "e )itte( *it. (rain .oles+
c4 .en ca"le &i&es are installe( 'erticall# (e attention s.all "e &ai( to t.e ca"lePs $ec.anical sel) carr#in%ca&acit#+ For lon%er &i&es, sita"le installation $et.o(s s.all "e se(, e+ %+ san()illin%+
(4 Ca"le &i&es s.all not incl(e e:&ansion ele$ents reire( "# ?3+=+
Table !:, Sacing o* *i;ing oints *or cables
3ternal diameter of cables "on%armoured orunbraided cables +mm-
8rmoured or braidedcables +mm- 3ceeding
+mm- "ot e3ceeding
+mm-
- 200 2<0
13 2<0 30013 20 300 3<0
20 30 3<0 @00
30 - @00 @<0
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %##
"$4$2 Cable ie +aterial
a4 Ca"le &i&es s.all "e $a(e o) steel or t#&e teste( non-$etallic $aterials+
"4 T.e ca"le &i&e $aterial s.all not .a'e less resistance a%ainst )ire t.an reire( )ro$ t.e ca"le itsel)+
c4 Al$ini$ ca"le &i&es $a# "e se( i) )i:e( to al$ini$ strctres+
"$4$" Corrosion rotection o* cable ies
Steel ca"le &i&es on (ec!, t.ro%. car%o .ol(s, in !eel (cts, &$& roo$s an( si$ilar *et s&aces, an( in *ater an( )el oil tan!s s.all "e internall# an( e:ternall# %al'anise(, or s.all .a'e an ei'alent e))ecti'e corrosion
&rotection+
"$4$, Con&ensation in cable ies
Ca"le &i&es *it. connection an( (ra* "o:es s.all "e arran%e( so t.at con(ense( *ater is (raine( ot o) t.es#ste$+
"$4$- 5en&ing ra&i's o* ies
T.e "en(in% ra(is o) ca"le &i&es s.all "e s))icientl# lar%e so t.at ;(ra*in%-in> o) t.e ca"les (oes not case(a$a%e to t.e ca"les, an( in no case less t.an/
t.e $ini$$ "en(in% ra(is o) t.e ca"les accor(in% to ?3+<+@
t*ice t.e internal (ia$eter o) t.e &i&e+
"$4$/ Filling o* cable ies
T.e s$ o) t.e ca"lesP total cross section, "ase( on t.e ca"lesP e:ternal (ia$eter, s.all not e:cee( @0 o) t.e &i&ePs internal cross section+ T.is (oes not a&&l# to a sin%le ca"le in a &i&e+
"$4$4 Connection an& &ra3 bo;es
a4 Connection an( (ra* "o:es s.all .a'e at least t.e sa$e *all t.ic!ness as reire( )or t.e &i&es, an( s.all "e o) steel, *it. e:e$&tion )or al$ini$ allo# &i&es, *.ere %al'anise( cast iron or al$ini$ allo# s.all "e se(+
"4 All connection an( (ra* "o:es s.all "e accessi"le )or "o:es "e.in( &anels in acco$$o(ation s&aces, seeTa"le 10-1 )ootnote 4+
"$6 Slicing o* cables
"$6$! Slicing
S&licin% o) ca"les "# sin% a !it or s#ste$ )ro$ a reco%nise( $an)actrer is acce&te(+
Inter&retation/
T.e s&licin% !it s.ol( contain t.e )ollo*in% as $ini$$/
- connectors )or con(ctors, o) correct sie
- re&lace$ent inslation
- re&lace$ent inner s.eet or co$$on co'erin%
- connector )or "rai(in% or ar$or
- re&lace$ent oter s.eat. *it. $ini$$ )ire &ro&erties as t.e ori%inal s.eat.
- s&licin% instrctions+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
"$6$2
T.e t*o ca"les s&lice( s.all .a'e t.e sa$e "asic constrction+
G'i&ance note>
S&licin% is $eant as t.e (irect contination o) ca"le len%t.s an( not trans)er into a (istri"tion "o:+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$6$" Slicing in ='nction bo;es
a4 7nction "o:es $a# "e se( )or s&licin% o) ca"les *.en t.e )ollo*in% is co$&lie( *it./
t.e "o:es s.all "e locate( in accessi"le &laces ca"les )or $ain an( e$er%enc# circits s.all not "e s&lice( in t.e sa$e "o: ca"les )or (i))erent s#ste$s an(or 'olta%es s.all "e clearl# $ar!e( an( se&arate(+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %#&
"4 7nction "o:es se( )or s&licin% s.all "e $ar!e( *it. 'olta%e le'els4 an( "o: i(enti)ication+
c4 All con(ctors s.all "e connecte( in &er$anentl# )i:e( ter$inals+
"$8 Ter+ination o* cables
"$8$! Ter+ination o* &ata co++'nication cables
Data ca"les s.all "e installe( sc. t.at t.e inslation is )i:e( as &art o) t.e ter$ination+ For stran(e(
con(ctors, all stran(s s.all "e )i:e( "# t.e ter$ination+
"$8$2 High )oltage cables
Hi%. 'olta%e ca"le s.all .a'e en(in% or ter$ination !its a&&ro'e( or reco$$en(e( )ro$ t.e ca"le$an)actrer+
T.e ter$ination !it s.all "e a&&ro&riate )or t.e 'olta%e le'el in estion+
"$8$" Cable entrance
Ca"le entrances in ei&$ent s.all at least .a'e t.e sa$e I ratin% as t.e ei&$ent itsel) in or(er to $aintaint.e inte%rit# o) t.e enclosre+
All ter$ination o) con(ctors an( "rai(in% s.all "e $a(e insi(e enclosres+ .ere s&ace (oes not &er$it t.isarran%e$ent, t.en ca"le "rai(ss.eat.s $a# "e "on(e( to eart. in a &rotecte( none corrosi'e area "elo* t.e
enclosre+ Ca"le "rai(ss.eat.s alt.o%. "on(e( to eart. "elo* t.e enclosre s.ol( still "e le)t lon% eno%.to "e sto&&e( *it.in t.e enclosre an( t.ere"# re(ce E6C e))ect+
G'i&ance note>
See Sec+11 )or reire$ents )or ca"le %lan(s, *it. res&ect to ei&$ent in .aar(os areas+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$8$, Earthing o* cable +etal co)ering
a4 All $etal co'erin%s "rai(in% or ar$or4 o) &o*er ca"les s.all "e electricall# connecte( to t.e $etal .lleart.4 o) t.e o))s.ore nit at "ot. en(s o) t.e ca"le, e:ce&t )or s.ort circit &roo) installation *.ere t.e
"rai(in% s.all "e inslate( *it. cri$&-on slee'e+ Sin%le &oint eart.in% is &er$itte( )or )inal s" circits an(in t.ose installations sc. as )or control or instr$entation4 *.ere it is reire( )or tec.nical reasons+ For ca"les installe( in .aar(os areas, see Sec+11 ?@+2+
"4 T.e electrical continit# o) all $etal co'erin%s s.all "e ensre( t.ro%.ot t.e len%t. o) t.e ca"les, at oints, ta&&in%s an( "ranc.in% o) circits+
c4 .en $etal co'erin%s "rai(in% or ar$or4 are eart.e( at one en( onl#, t.e )loatin% en( s.all "e &ro&erl#inslate(+
(4 S&ecial DC ca"les *it. a .i%. ri&&le content e+%+ )or t.#ristor ei&$ent4 an( sin%le core ca"les )or ACs.all "e eart.e( at one en( onl#+
e4 T.e $etal co'erin% or "rai(in% or ar$or o) ca"les $a# "e eart.e( "# $eans o) %lan(s inten(e( )or t.at &r&ose+ T.e %lan(s s.all "e )ir$l# attac.e( to, an( in e))ecti'e $etal contact *it. t.e eart.e( enclosre,o) ei&$ent+
)4 .en t.e ca"le "rai( is se( as a E con(ctor see Sec+2 ?10+@4, t.e "rai(in% s.all "e connecte( (irectl#)ro$ t.e ca"le to (e(icate( eart. ter$inal or "ar+ S&ecial cla$&-on connections )or $a!in% t.e connection)ro$ $etal co'erin% or ar$or or "rai(in%, to t.e eart. ter$inal $i%.t "e acce&te( i) "ein% o) a sita"le
t#&e inten(e( )or t.e &r&ose+%4 .en t.e ca"le "rai( not is se( )or &rotecti'e eart.in% o) t.e cons$er, eart.in% connection $a# "e
carrie( ot "# $eans o) cla$&s or cli&s o) corrosion resistant $etal $a!in% e))ecti'e contact *it. t.e s.eat.or ar$or an( eart.e( $etal+ Eart. connection o) $etal co'erin% s.all not "e $a(e "# or(inar# sol(erin%or ot.er nteste( soltions+
.4 Screens aron( in(i'i(al &airs )or eart.in% )or E6C &r&oses in ca"les )or control, electronic,co$$nication an( instr$entation ei&$ent, s.all nor$all# "e eart.e( at one en( onl#+ Ca"les .a'in%
"ot. in(i'i(al screen an( co$$on screen or "rai(in%4 s.all .a'e t.ese $etal co'erin%s se&arate( )ro$eac. ot.er at t.e ;)loatin%> en(, *.en eart.e( at one en( onl#+
G'i&ance note>
T.e reire$ent )or eart.in% o) t.e ca"le $etal s.eat., ar$or an( "rai(, in ?3+G+@ is not $a(e *it. res&ect toeart.in% o) ei&$ent or cons$ers, "t )or t.e eart.in% o) t.e ca"le itsel)+
Ar$or or "rai(in% $i%.t "e acce&te( as a E- con(ctor )or t.e ei&$ent itsel) i) cross section is s))icient an( t.eca"le t#&e is constrcte( )or t.at &r&ose+
For ca"les *it.ot an inslatin% s.eat. o'er t.e $etal s.eat. or ar$or or "rai(in%, t.e eart.in% o) t.e ca"le itsel) $a# "e carrie( ot "# )i:in% t.e ca"le to t.e .ll constrctions, or to &arts t.at are *el(e( or ri'ete( to t.e .llconstrctions $etal to $etal *it.ot &aint or coatin%4, "# corrosion resistant cla$&s or $etal cli&s+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %#1
,$" Wiring an& earthing
,$"$! General
All ei&$ent s.all "e 'eri)ie( *it. res&ect to &ro&er installation *it. res&ect to e:ternal *irin% an( &rotecti'eeart.in%+
,$"$2 Electrical test o* high )oltage cable a*ter installation
A)ter installation, *it. ter$ination !it a&&lie(, .i%. 'olta%e ca"les s.all "e s"ect to one o) t.e )ollo*in%alternati'e .i%. 'olta%e tests, *it. t.e 'olta%e a&&lie( "et*een t.e con(ctors an( t.e screen/
a4 .en a DC 'olta%e *it.stan( test is carrie( ot, t.e 'olta%e s.all "e not less t.an @+0 _ 80 !V reire( )or t.e ca"le as reire( "# t.e s#ste$ 'olta%e an( t.e s#ste$ eart.in%4 T.e test 'olta%e s.all "e $aintaine()or a $ini$$ o) 1< $intes+
Alternati'el#, )or ca"les *it. 80 in e:cess o) 3+= !V/
"4 A &o*er )reenc# test at t.e nor$al o&eratin% 'olta%e o) t.e s#ste$, a&&lie( )or 2@ .ors or
c4 A &o*er )reenc# test *it. t.e &.ase-to-&.ase 'olta%e o) t.e s#ste$ a&&lie( "et*een t.e con(ctor an(t.e $etallic screen or eart. )or < $intes+
(4 A 'er# lo* )reenc# test *it. 0+1 H, sine *a'e, )or 30 $intes *it. a test 'olta%e o) 1+_ 80 reire( )or t.e ca"le as reire( "# t.e s#ste$ 'olta%e an( t.e s#ste$ eart.in%4+
Re)+ IEC =0<024
G'i&ance note>
T.e < $intes &o*er )reenc# test is sel(o$ se( at t.e installation site (e to t.e .i%. reacti'e &o*er nee(e( )or t.is $et.o(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$"$" %ns'lation resistance testing o* circ'its an& e7'i+ent
All ot%oin% &o*er circits )ro$ s*itc."oar(s ca"les an( cons$ers4 connecte( (rin% installation s.alln(er%o inslation resistance testin% to 'eri)# its inslation le'el to*ar(s eart. an( "et*een &.ases *.erea&&lica"le i+e+ s*itc."oar(s asse$"le( on"oar(+4
T.e inslation resistance tests $e%%er tests4 s.all "e carrie( ot "# $eans o) a sita"le instr$ent a&&l#in% aDC 'olta%e accor(in% to Ta"le 10-<+
,$, Electric &istrib'tion an& o3er generation
,$,$! Testing o* cons'+ers
a4 Fnction an( loa( testin% )or essential an( i$&ortant ei&$ent+
"4 Cons$ers )or essential an( i$&ortant )nctions s.all "e teste( n(er nor$al o&eratin% con(itions toensre t.at t.e# are sita"le an( satis)actor# )or t.eir &r&ose+
c4 Settin% o) &rotecti'e )nctions s.all "e 'eri)ie(+
Cons$ers .a'in% t.eir &rotecti'e )nction e+%+ o'erloa(, s.ort circit an( eart. )alt &rotection4 *ire( &(rin% installation, s.all "e teste( )or correct )nction+ See also %i(ance note to ?@+@+3+
,$,$2 Testing o* electric &istrib'tion s.ste+s
a4 8&on co$&letion, t.e electric (istri"tion s#ste$ s.all "e s"ect to )inal tests at a sea trial+
"4 T.e )inal test at sea ass$es t.at satis)actor# tests o) $ain co$&onents an( associate( s"s#ste$s .a'e "een carrie( ot+
c4 T.e test &ro%ra$ s.all incl(e tests o) t.e (istri"tion in nor$al con(itions, an( in an# a"nor$al con(itionin *.ic. t.e s#ste$ is inten(e( to o&erate+
(4 Start-& an( sto& seences s.all "e teste(, to%et.er *it. (i))erent o&eratin% $o(es+ Also *.en controlle( "# ato$atic control s#ste$s *.en rele'ant+
e4 Interloc!s, alar$s an( in(icators s.all "e teste(+
Table !:- Test )oltages an& +ini+'+ ins'lation resistance
Rated voltage 0 n +9- #inimum test voltage +9- #inimum insulation resistance +# Ω -
8n ≤ 2<0 2 × 8n 1
2<0 Z 8n ≤ 1 000 <00 1
1 000 Z 8n ≤ 200 1 000 8n1 0004 W 1
200 Z 8n ≤ 1< 000 < 000 8n1 0004 W 1
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %#2
)4 All control $o(es s.all "e teste( )ro$ all control locations+
,$,$" Testing o* generators an& Main S3itchboar&s
a4 All %eneratin% sets to%et.er *it. t.eir s*itc."oar( ei&$ent s*itc.%ear or &rotection an( ca"lin%4 s.all "e rn at t.e rate( loa( ntil t.e e:.ast te$&eratre an( coolin% *ater te$&eratre .as sta"ilise( an( atleast )or t.e ti$e s&eci)ie( in DNV-OS-D101+ T.e )ollo*in% .as to "e 'eri)ie(/
electrical c.aracteristics in %eneral an( control o) t.e %enerator itsel) en%ine roo$ 'entilationair )lo*+
"4 D#na$ic tests sc. as 'olta%e re%lation, s&ee( %o'ernin% an( loa( s.arin% s.all "e carrie( ot to 'eri)#t.at 'olta%e an( s&ee( re%lation n(er nor$al an( transient con(itions is *it.in t.e li$its %i'en in DNV-OS-D101+
c4 T.e )ollo*in% tests s.all "e carrie( ot/
testin% o) o'erloa( &rotection re'erse &o*er &rotection o'ercrrent an( s.ort circit &rotection ot.er &rotection li!e/ eart. )alt, (i))erential, n(er'olta%e, o'er'olta%e i) a&&lica"le4 s#nc.ronisin% s#ste$s+
G'i&ance note>
Testin% o) o'ercrrent an( s.ort circit &rotection/ Secon(ar# crrent inection is acce&te( as a $et.o( )or 'eri)ication o) correct o&eration+ For o)) t.e s.el) $ol(e( case circit "rea!ers an( s$aller 6CBs *it. inte%rate(
&rotection nits rotine teste( at t.e "rea!er $an)actrer, testin% o) t.e &rotection )nctionalit# is %enerall# notreire(+ For ot.er circit "rea!ers *.ere testin% at t.e s*itc."oar( $an)actrer .as "een *itnesse( "# DNV, an(t.e circit .as not "een *ire( & on"oar(, a 'eri)ication o) &rotection settin%s on "oar( $a# "e acce&te(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$,$, Testing o* )oltage &ro
Tests $a# "e reire( to 'eri)# t.at t.e allo*a"le 'olta%e (ro& is not e:cee(e(+
,$,$- Testing o* c'rrent &istrib'tion
Crrent (istri"tion in &arallel connecte( ca"les s.all "e 'eri)ie(+ See Sec+2 ?10+=+1(4+
,$,$/ Testing o* batter. s'lies
a4 8S s#ste$s an( re%lar DC "atter# "ac!e( & &o*er s&&l# transitional, e$er%enc# or clean &o*er4s#ste$s ser'in% essential or i$&ortant )nctions s.all "e )nction teste( )or (i& )ree 'olta%e *.en )ee(in%
&o*er is "ein% s*itc.e( o)) "lac! ot si$lation4+
"4 T.e "atter# "ac!e( & &o*er s&&l# s#ste$ s.all "e rn on e:&ecte( loa( in "atter# )ee(in% $o(e4 )or a &erio( (eter$ine( "# t.e reire$ents )or t.e actal s#ste$ an( "# t.e rele'ant rles T.is test is reire(in or(er to s.o* t.e correct ca&acit# o) t.e s#ste$s+
c4 Alar$s s.all "e 'eri)ie( )or correct )nction+
,$,$4 Testing o* har+onic &istortion
.en $ore t.an 20 o) connecte( loa( is "# se$i-con(ctor asse$"lies, in relation to connecte( %eneratin%ca&acit# tests s.all "e &er)or$e( in or(er to 'eri)# t.at t.e le'el o) .ar$onic (istortion (oes not e:cee( t.eli$its %i'en in Sec+2 ?1+2++
,$,$6 Testing o* in&een&enc. bet3een +ain an& e+ergenc. s.ste+
It s.all "e 'eri)ie( t.at t.e $ain electrical &o*er s&&l# s#ste$ is in(e&en(ent o) t.e e$er%enc# electrical &o*er s&&l# s#ste$s+ Be)ore testin% t.e $ain s#ste$, t.e e$er%enc# s#ste$ incl(in% E$er%enc#S*itc."oar( an( all "atter# s#ste$s &o*ere( )ro$ t.e e$er%enc# s#ste$ s.all "e (isconnecte(+ T.e tests s.all
"e &er)or$e( n(er as realistic con(itions as &ractica"le+
T.e )ollo*in% s.all "e 'eri)ie(/
"lac! ot start
nor$al o&eration+
,$,$8 Testing o* &ea& shi reco)er.
Dea( s.i& reco'er#, as reire( "# Sec+2 ?2+2+@, s.all "e 'eri)ie( "# testin%+ T.e tests s.all "e &er)or$e( n(er as realistic con(itions as &ractica"le+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%$ 8nstallation age %#3
,$,$! Re&'n&anc. tests
I) se&arate e$er%enc# sorce o) &o*er is o$itte( in accor(ance *it. Sec+2 ?3+1+@ a selection o) tests *it.ineac. s#ste$ anal#se( in t.e F6EA s.all "e carrie( ot+ S&eci)ic conclsions o) t.e F6EA )or t.e (i))erents#ste$s s.all "e 'eri)ie( "# tests *.en re(n(anc# or in(e&en(ence is reire(+ T.e test &roce(re )or re(n(anc# s.all "e "ase( on t.e si$lation o) )ailres an( s.all "e &er)or$e( n(er as realistic con(itions as
&ractica"le
,$,$!! Testing o* se+i:con&'ctor con)erters
a4 Se$i-con(ctor con'erters )or &o*er s&&l# s.all "e s"ect to co$&lete )nction tests *it. inten(e(loa(in% on"oar(+
"4 Fnctional tests o) se$i-con(ctor con'erters )or $otor (ri'es s.all "e &er)or$e( *it. all rele'ant o))s.orenit s#ste$s si$ltaneosl# in o&eration, an( in all c.aracteristic loa( con(itions+
,$,$!2 Onboar& testing o* electric ro'lsion lants
See Sec+12 ?2 )or a((itional reire$ents to testin% o) electric &ro&lsion &lants+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%% (a9ardous )reas 8nstallations age %&$
*arnin% notices are )itte( a(acent to t.e entrance to t.e s&ace statin% t.at t.e store contains )la$$a"lelii(s or %as+
e4 Batter# roo$s an( loc!ers or "o:es s.all "e re%ar(e( as one 2 .aar(os areas *it. res&ect to access(oors, li(s or re$o'a"le &anels an( &ossi"le inter)erence *it. ot.er roo$s+ I+e otsi(e o) access (oors,ca"inets an( "o:es t.ere is no .aar(os area+
)4 T.e )an $onte( insi(e e:tract 'entilation (cts s.all "e o) non-s&ar!in% t#&e+
"$" A&&itional re7'ire+ents *or e7'i+ent an& circ'it &esign
"$"$! E;e +otors increase& sa*et.B
6otors certi)ie( E:e s.all, *.en installe( in one 1, .a'e an o'erloa( or t.er$al &rotection t.at (isconnectst.e $otor "e)ore t.e TE-ti$e is e:cee(e( in a sitation *it. loc!e( rotor or so$e !in( o) $ac.ine stallin%con(ition+
G'i&ance note>
E:-e ei&$ent, TE-ti$e
T.e TE -ti$e is t.e ti$e it ta!es )or t.e $otor, startin% )ro$ nor$al o&eratin% te$&eratre, to reac. t.e te$&eratre%i'en "# t.e te$&eratre class o) t.e E: certi)ication i) t.e rotor is loc!e(+ T.e TE ti$e is state( in t.e E:-certi)icate)or t.e $otor+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$"$2 Fre7'enc. con)erter &ri)en E;e an& E;& +otors
a4 E:e $otors (ri'en "# a &o*er con'erter are not acce&te( installe( in one 1 nless t.e con'erter an( t.e$otor are certi)ie( to%et.er+ T.e certi)icate s.all state allo*e( $otor-con'erter co$"inations+
"4 T.e reire$ent in a4 a&&lies also )or E:( $otors nless t.e $otors are ei&&e( *it. e$"e((e( RTDs int.e *in(in%s an( an o'er te$&eratre tri& (e'ice+
c4 For E:n $otors (ri'en "# con'erters, a con)or$it# (eclaration as (escri"e( in 203 is reire(+ T.is(eclaration s.all incl(e in)or$ation on acce&te( t#&e o) con'erter+
"$"$" E; e7'i+ent
a4 For one 1 installation, E:& &rotecte( ei&$ent s.all nor$all# "e certi)ie( sa)e as a co$&lete s#ste$ "#an in(e&en(ent test instittion co$&lete s#ste$ "ein% t.e ei&$ent, t.e enclosre, t.e &r%in% an( t.econtrol s#ste$4+
"4 For one 2 installation, E:& &rotecte( ei&$ent $a# eit.er "e certi)ie( sa)e as )or one 1, or "e 'eri)ie(sa)e "# a co$&etent &erson "e)ore ta!en into ser'ice+ Sc. 'eri)ication s.all "e (oc$ente( in a'eri)ication re&ort+
c4 In one 1 a&&lications, ato$atic s.t(o*n an( or isolation o) ei&$ent insi(e enclosres *ill "e reire(&on loss o) &ressrisation+ I) ato$atic s.t(o*n increases t.e .aar( to t.e o))s.ore nit, t.en ot.er
&rotection $et.o(s s.all "e tilise( )or ei&$ent t.at .as to re$ain connecte(+ In one 2 a&&lications, asita"le alar$ at a $anne( control station )or in(ication o) loss o) o'er&ressre is acce&te(, instea( o) t.eato$atic s.t(o*n+
"$"$, E;i circ'its
a4 All intrinsic sa)e circits s.all .a'e a sa)et# "arrier in )or$ o) a ener "arrier or %al'anic isolation certi)ie(sa)e )or t.e a&&lication in )ront o) t.e circit &art %oin% into .aar(os areas+
"4 T.e co$&lete intrinsic sa)e circit s.all not contain $ore t.an t.e $a:i$$ allo*e(, in(ctance, e4an( or ca&acitance Ce4 t.an t.e "arrier is certi)ie( )or+ T.e e an( Ce, s.all "e t.e total o) t.e ca"leot to t.e .aar(os area &ls t.e 'ales o) connecte( ei&$ent+
c4 T.e sa)et# "arrier s.all "e certi)ie( sa)e+ T.e ei&$ent installe( in .aar(os area )iel( ei&$ent4 s.all "e certi)ie( sa)e, nless it constittes a ;si$&le a&&arats>+
G'i&ance note>
Sa)et# "arrier s.ol( nor$all# "e installe( in sa)e area, "t $a# also "e locate( in .aar(os areas &ro'i(e( t.at t.e "arrier is certi)ie( )or sc. locations+
Si$&le a&&arats
A si$&le non-ener%# storin%4 a&&arats is an electrical co$&onent o) si$&le constrction *it. no, or lo* ener%#cons$&tion or stora%e ca&acit#, an( *.ic. is not ca&a"le o) i%nitin% an e:&losi'e at$os&.ere+ Nor$al $a:i$alelectrical &ara$eters are 1+< V, 100 $A an( 2< $+ T.e co$&onent s.ol( not contain in(ctance or ca&acitance+Co$&onents sc. as t.er$oco&les or &assi'e s*itc.es are t#&ical e:a$&les o) si$&le, non-ener%# storin%,a&&arats+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%% (a9ardous )reas 8nstallations age %&%
Si$&le non-ener%# storin%4 a&&arats, *.en se( in an intrinsicall# sa)e circit, %enerall# (oes not nee( to "ecerti)ie( sa)e, &ro'i(e( t.at sc. a&&arats is constrcte( in accor(ance *it. IEC =00G-1@, art 1@/ ;Electricala&&arats )or e:&losi'e %as at$os&.eres>+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
"$"$- E;:& e7'i+ent
a4 E:( enclosres an( its )la$e&roo) oints s.all not "e installe( nearer to a "l!.ea( or soli( o"ect t.an 10$$ )or %as %ro& II A, 30 $$ )or II B, an( @0 $$ )or II C+
"4 Fla$e&roo) oints s.all "e &rotecte( a%ainst corrosion *it. sita"le non-.ar(enin% %rease+
c4 as!ets can onl# "e a&&lie( i) ori%inall# )itte( in t.e ei&$ent )ro$ t.e $an)actrer, an( t.e ei&$ent.as "een certi)ie( or teste( *it. %as!ets+
(4 One la#er o) so)t ta&e aron( t.e )la$e&roo) oint o&enin% )or corrosion &rotection is allo*e( )or E:-(enclosres installe( in areas *it. %as %ro&s II A an( II B, "t not II C areas+
e4 Ta&e into on t.e t.rea(s o)4 )la$e&roo) oints o) t.rea(e( t#&e, is not allo*e(+
)4 Fla$e&roo) oints $i%.t "e co'ere( *it. a t.in la#er o) &aint on t.e otsi(e+ Ho*e'er, t.is is not acce&te(in II C areas+
"$"$/ Circ'its s'lie& *ro+ a TN:S &istrib'tion s.ste+
Circits )ro$ a TN-S (istri"tion s#ste$ s.all "e s&&lie( t.ro%. a circit "rea!er *it. eart. )alt &rotectionRCD4+
, %nstallation re7'ire+ents
,$! General
,$!$! General
For %eneral installation reire$ents, see Sec+10+ T.e )ollo*in% clases are reire$ents es&eciall# )or .aar(os area installations+
,$!$2 %ngress rotection
a4 In%ress &rotection o) ei&$ent in relation to its location s.all in %eneral "e as (escri"e( in Sec+10, *it.t.e a((ition t.at t.e $ini$$ I (e%ree o) enclosres )or E:n &rotecte( ei&$ent is I @@+
G'i&ance note>
A co$&arison "et*een t.e IEC "ase( I-ratin% an( t.e NE6A t#&es se( in t.e 8SA is %i'en in Ta"le 11-2+
Table !!:2 Correson&ing )al'es *or NEMA:T.e an& %(:rating
"#8Type (escription of "#8Type IPrating (escription of IPrating
1 eneral &r&ose, in(oor 11 rotection )ro$ soli( o"ects lar%er t.an << $$
2 Sita"le *.ere se'erecon(ensation &resent
32 rotection a%ainst (ri&&in% *ater, s&illa%e not rain4
3 eat.erti%.t a%ainst rainan( sleet
<@-<< Dst&roo) an( resistant to s&las.in% *ater <4 an( rain @4nor$al ot(oor *eat.er&roo)4
3R ess se'ere t.an NE6A 3 1@ rotecte( )ro$ *ater onl# rarel# se( in t.e IEC s#ste$4
@ aterti%.t+ Resistant to(irect *ater et s&ra#
<= Dst&roo) an( .ea'# *ater ets li!e on an o&en (ec!4
@ Sa$e as NE6A @ alt.o%.corrosion resistant,stainless or non-$etallic
Noei'alent
< Dst ti%.t <2 Dst&roo) an( resistant to (ri&&in% *ater not rain4
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%% (a9ardous )reas 8nstallations age %&#
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
,$2 Cable t.es? cabling an& ter+ination
,$2$! Cable t.es
a4 All ca"les installe( in .aar(os areas s.all .a'e an oter non-$etallic i$&er'ios s.eat.+
"4 o*er an( si%nal ca"les s.all .a'e a $etallic "rai(in% or ar$or "et*een con(ctors an( t.e non-$etallici$&er'ios s.eat. in t.e )ollo*in% ones an( areas/
one 0 one 1+
Ca"les )or$in% an inte%rate( &art o) a certi)ie( sa)e a&&arats nee( not to .a'e a $etallic screen or "rai(in%
c4 6lticore ca"les )or E:-i circits s.all in a((ition to t.e $etallic "rai(in% reire( in "4 .a'e in(i'i(alscreene( &airs nless all o) t.e )ollo*in% is co$&lie( *it./
t.e ca"le s.all "e installe( as )i:e( installation i+e+ $ec.anicall# &rotecte(
t.e circit 'olta%e s.all "e less t.an =0 V t.e ca"le s.all "e t#&e a&&ro'e( or case "# case+
,$2$2 Fi;e& cable installations
a4 In one 0 onl# ca"lin% )or E:-ia circits are allo*e(+
"4 In one 1 tro%. rns o) ca"les ot.er t.an t.e ones inten(e( )or E:-ei&$ent, s.all "e li$ite(+
c4 In one 2, t.ro%. rns o) ca"les are acce&te(+
(4 All $etallic &rotecti'e co'erin%s o) &o*er an( li%.tin% ca"les &assin% t.ro%. a .aar(os one, or connecte( to a&&arats in sc. a one, s.all "e eart.e( at least at t.eir en(s+ S&ecial DC ca"les *it. a .i%.ri&&le content e+%+ )or t.#ristor ei&$ent4 an( sin%le core ca"les )or AC s.all "e eart.e( at one en( onl#Sec+10 ?3+G+@ ite$ (4+
,$2$" Fle;ible cablesa4 Fle:i"le ca"les )or non-intrinsicall# sa)e circits s.all "e li$ite( in .aar(os areas an( s.all not "e se(
&er$anentl# in one 1 nless necessar# )or o&erational &r&oses+
"4 Fi:e( installation o) s.orter )le:i"le len%t.s *it. a %oo( s&&ort )ro$ connection "o:es to ei&$ent *ill "e acce&te( into one 2+
,$2$, (enetrations o* b'l9hea&s an& &ec9s
Ca"le &enetrations t.ro%. "l!.ea(s an( (ec!s s.all "e %as ti%.t, an( o) a reco%nise( t#&e, i) se( as sealin% "et*een ones or "et*een .aar(os areas an( non-.aar(os areas+
,$2$- Cable entrance into e7'i+ent
a4 In t.e case o) (irect entr# into an E:( enclosre a certi)ie( sa)e %lan( s.all "e a&&lie( accor(in% to t.e
)ollo*in% instrctions/
one 1/ Eit.er "arrier or co$&on( )ille( t#&e o) %lan( s.all "e se(, or a r""er co$&ression t#&e%lan( $i%.t "e se( &ro'i(e( it is not a II C area, an( t.e E:( internal 'ol$e is "elo* 2 ($3+
one 2/ Bot. "arrier or co$&on( )ille( t#&e an( co$&ression t#&e %lan( is acce&te(+
= i$ite( s"$ersion in*ater
= rotecte( a%ainst e))ect o) i$$ersion $a:i$$ 1 $ (e&t.4
E:&losion-&roo)+Contains %aseos internali%nition4
no (irectei'alent
Fla$e&roo) E:-(4 *or!s "# t.e sa$e &rinci&al
12 Dstti%.t an( (ri& &roo) <2 Dst&roo) an( resistant to (ri&&in% *ater not rain4
13 Oil ti%.t an( (st ti%.t+Constrcte( *it. s&ecial%as!etin% to resist oil an(lii( c.e$ical
&enetration4
<@-<< Dst&roo) an( resistant to s&las.in% *ater an( rain+ nor$alot(oor *eat.er &roo)4
Table !!:2 Correson&ing )al'es *or NEMA:T.e an& %(:rating Contin'e&B
"#8Type (escription of "#8Type IPrating (escription of IPrating
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%% (a9ardous )reas 8nstallations age %&&
"4 For E:e ei&$ent, ca"le %lan(s s.all "e E:-e certi)ie(+
c4 E:n an( %eneral non-s&ar!in% ei&$ent t.e ca"le %lan( s.all $aintain t.e reire( Iratin% )or t.eenclosre in estion+
(4 8nse( o&enin%s )or ca"le %lan(s s.all "e "lan!e( o)) "# sita"le &l%s accor(in% to t.e ei&$entPs E:- &rotection $et.o(+ For E:e an( E:n t#&e o) &rotection, t.e sealin% &l% s.all $aintain t.e reire( Iratin%)or t.e enclosre in estion+ For E:( ei&$ent, *it. (irect entr#, t.e sealin% &l% s.all "e certi)ie( sa)e
E:(4 )or t.e rele'ant a&&lication+,$2$/ Ter+ination an& 3iring insi&e E;e an& E;& enclos'res
a4 Onl# one con(ctor is allo*e( to "e connecte( into an E:e ter$inal+
"4 In certi)ie( e$&t# E:-e enclosres, onl# t.e $a:i$$ a$ont o) *irin% an( ei&$ent state( in t.ecerti)icate s.all "e installe( *it.in t.e enclosre+
c4 All co$&onents insi(e an E:-e enclosre s.all "e certi)ie( sa)e *it. &rotection E:e, (, $ or ot.er a&&ro'e($et.o( )or one 1 a&&lication+
(4 Certi)ie( e$&t# E:( )la$e&roo) "o:es4 s.all .a'e a )inal certi)icate ta!in% into accont t.e ei&$entinstalle( *it.in t.e E:( enclosre (rin% installation+
,$2$4 %ntrinsicall. sa*e circ'it 3iring an& ter+ination
a4 T.e "rai(, ar$or or collecti'e screen &ro'i(e( in intrinsicall# sa)e circits s.all "e connecte( to t.e localeart. at "ot. en(s, an( $i%.t also "e eart.e( at inter$e(iate nction "o:es or &anels *.ere rele'ant+.ere t.e "on(in% o) t.e "rai(in%, ar$or or screen at t.e )iel( en( is not &ractical, it $a# "e eart.e( att.e sa)e en( onl#+
"4 T.e in(i'i(al screen, *.en &ro'i(e(, o) sin%le &air or $lti &air ca"le, s.all "e connecte( to eart. in sa)earea at t.e "arrier en( onl#+ In .aar(os area, t.e inner screen s.all "e &ro&erl# inslate( or ter$inate(+ I) t.ere is s&ecial reason to connect t.e inner screen to eart. at "ot. en(s, t.en t.is $i%.t "e acce&te( "ase(on t.e e:&lanation in IEC =00G-1@ sec+ 12+2+2+3
c4 .ere t.e installation .as se&arate eart. "ars )or &rotecti'e eart., instr$ent eart. an( intrinsicall# sa)eeart., t.ese "ars s.all "e se( accor(in%l#+
(4 Ter$inals )or intrinsicall# sa)e circits an( ter$inals )or non-intrinsicall# sa)e circits s.all "e se&arate( "# a &.#sical (istance o) <0 $$ or a "# an eart.e( $etallic &artition+ Ter$inals )or intrinsicall# sa)e
circits s.all "e $ar!e( as sc.+e4 Cate%or# E:-ia- circits inten(e( )or one 0, an( cate%or# E:-i"-circits s.all not "e rn in t.e sa$e ca"le+
)4 Intrinsicall# sa)e circits an( non-intrinsicall# sa)e circits s.all not "e carrie( in t.e sa$e ca"le+
%4 Insi(e ca"inets, screene( *irin% o) non-intrinsicall# sa)e circits can "e lai( in t.e sa$e c.annel or tra# asscreene( intrinsicall# sa)e circits+ 8nscreene( con(ctors in intrinsicall# sa)e an( non-intrinsicall# sa)ecircits (o not nee( an# se&aratin% (istance &ro'i(e( t.at t.e &arallel *irin% len%t. is "elo* 1$, an( t.att.e intrinsicall# sa)e an( non-intrinsicall# sa)e con(ctors are not lai( in t.e sa$e ca"le or *irin% "n(leor *irin% c.annel+ For len%t.s lon%er t.an 1 $, t.e con(ctors s.all "e rn at least <0 $$ a&art, or *it. aneart.e( $etallic &artition "et*een t.e con(ctors+
,$2$6 Secial con&itions in E certi*icates
Veri)ication an( ins&ection o) E: certi)ie( ei&$ent s.all incl(e c.ec!in% t.at s&ecial con(itions )or sa)e se%i'en in t.e certi)icates are co$&ile( *it.+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%# +lectric ropulsion age %&0
SECT%ON !2 E0ECTR%C (RO(U0S%ON
! General
!$! General
!$!$! Alication
a4 T.e tec.nical reire$ents in t.is section are in a((ition to t.ose in Sec+2 to Sec+11 an( a&&l# to &ro&lsions#ste$s, *.ere t.e $ain &ro&lsion is &er)or$e( "# so$e t#&e o) electric $otors4+
"4 An o))s.ore nit *it. s.a)t %enerators4 *.ic. can "e o&erate( in a ;&o*er ta!e in> $o(e TI4 is re%ar(e(as .a'in% electric &ro&lsion+
c4 Instr$entation an( $onitorin% control, $onitorin% an( alar$s4 )or &ri$e $o'ers )or %enerators &ro'i(in% electric &o*er )or &ro&lsion s.all "e as reire( )or &ro&lsion en%ines in Rles )or S.i&s t+@C.+3 Sec+1 E@00+ Sa)et# actions sa)et# s#ste$4 s.all "e as reire( )or a:iliar# en%ines+ Associate( s&ee(%o'ernin% an( control s.all "e arran%e( as )or a:iliar# &ri$e $o'ers+ S.i&"oar( testin% o) t.e &ri$e$o'ers s.all "e as )or %eneratin% &ri$e $o'ers+
(4 ri$e $o'ers t.at (ri'e %enerators )or t.e s&&l# o) &o*er )or o))s.ore nit ser'ice onl#, are (e)ine( asa:iliar# &ri$e $o'ers, e'en i) t.e# $a# "e connecte( to t.e &ro&lsion &o*er s#ste$ an( t.s contri"te
to &ro&lsion &o*er+e4 ocal an( re$ote control s#ste$s )or electric &ro&lsion $ac.iner# s.all co$&l# *it. $ain class rles+
)4 For instr$entation an( ato$ation, incl(in% co$&ter "ase( control an( $onitorin%, t.e reire$entsin t.is c.a&ter are a((itional to t.ose %i'en in DNV-OS-D202+
G'i&ance note>
Attention s.ol( "e %i'en to an# rele'ant stattor# reire$ents o) national at.orit# o) t.e contr# in *.ic. t.eo))s.ore nit s.all "e re%istere(+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$2 S.ste+ &esign
!$2$! General
a4 Electric &ro&lsion s#ste$s s.all "e (esi%ne( *it. (e)ine( o&eratin% $o(es o) t.e o))s.ore nit, (escri"e(in an ;electric &.iloso&.#> )or t.e installation+ All t.ese $o(es s.all co$&l# *it. t.e reire$ents in t.issection+
"4 All o&eratin% $o(es s.all "e so (esi%ne( t.at a sin%le )ailre in t.e electrical s#ste$ or t.e control s#ste$not (isa"les t.e &ro&lsion &er$anentl#+ T.e &ro&lsion s#ste$ s.all "e (esi%ne( *it. re(n(anc# t#&eR1 so t.at &o*er )or $anoe'ra"ilit# is restore( &re)era"l# *it.in 30 secon(s, "t in an# case not $oret.an @< secon(s a)ter loss o) &o*er+
c4 Electrical ei&$ent in &ro&lsion lines, *.ic. .a'e "een "ilt *it. re(n(anc# in tec.nical (esi%n an( &.#sical arran%e$ent, s.all not .a'e co$$on $o(e )ailres en(an%erin% t.e $anoe'ra"ilit# o) t.eo))s.ore nit, e:ce&t )or )ire an( )loo(in%, *.ic. are acce&te( as co$$on $o(e )ailres+
(4 O))s.ore nits .a'in% t*o or $ore &ro&lsion $otors an( con'erters, or t*o electric $otors on one &ro&eller s.a)t, s.all "e arran%e( so t.at an# nit $a# "e ta!en ot o) ser'ice an( electricall# (isconnecte(
*it.ot a))ectin% t.e o&eration o) t.e ot.ers+ 6otors *.ere t.e e:citation not can "e (isconnecte( s.all.a'e $eans to &re'entin% rotation e+%+ *ater-$illin%4 *.en ot.er &ro&lsion $otors are se( e+%+ a s.a)tloc!in% (e'ice or cltc.4+ It is acce&te( t.at t.e &ro&lsion &o*er is re(ce( a)ter a (isconnection+Ho*e'er, &o*er s))icient )or $anoe'rin% s.all "e $aintaine(+
!$2$2 1entilation an& cooling
T.e %eneral reire$ents in Sec+2 *ill nor$all# i$&l# t.at loss o) 'entilation or coolin% to s&aces or ei&$ent*it. )orce( air-coolin%, s.all not case loss o) &ro&lsion+ S))icient &o*er necessar# )or $anoe'rin% s.all
"e a'aila"le a)ter an# sin%le )ailre+ .ere t.e &ro&lsion s#ste$ is arran%e( in (i))erent lines *it. t.eassociate( ei&$ent )or &o*er (istri"tion to t.ese lines arran%e( in (i))erent roo$s, )ailre o) 'entilation or coolin% s.all onl# ren(er one &ro&lsion line ot o) o&eration+ Ho*e'er, re(n(anc# reire$ents )or $ainclass an( rele'ant a((itional class notations s.all "e a(.ere( to+
!$" S.ste+ caacit.!$"$! Tor7'e
a4 T.e toret.rst a'aila"le at t.e &ro&eller s.a)t s.all "e a(eate )or t.e o))s.ore nit to "e $anoe're(,sto&&e(, or re'erse( *.en t.e o))s.ore nit is sailin% at )ll s&ee(+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%# +lectric ropulsion age %&1
"4 A(eate tore $ar%in s.all "e &ro'i(e( to %ar( a%ainst t.e $otor &llin% ot o) s#nc.ronis$ (rin%ro%. *eat.er con(itions or $anoe'res+
c4 S))icient rn-& tore $ar%in s.all "e &ro'i(e( to ensre a relia"le start n(er all a$"ient con(itions+
(4 Reire( loc!e( rotor tore s.all "e consi(ere( in 'ie* o) t.e o&eration o) t.e o))s.ore nit+
Inter&retation/
For t.rsters, a %ear oil te$&eratre o) 0UC s.ol( "e consi(ere(+
JJJJJJJJJJJJJJJ en( o) Inter&retation JJJJJJJJJJJJJJJ
!$"$2 O)erloa& caacit.
T.e s#ste$ s.all .a'e s))icient o'erloa( ca&acit# to &ro'i(e t.e necessar# tore, &o*er, an( )or AC s#ste$sreacti'e &o*er, nee(e( (rin% startin%, $anoe'rin% an( cras. sto& con(itions+
!$, Electric s'l. s.ste+
!$,$! Electric s'l. s.ste+
a4 T.e electric (istri"tion s#ste$ s.all co$&l# *it. t.e reire$ents in Sec+2+
"4 T.e reire( s&lit o) t.e 6ain S*itc."oar( s.all "e "# "s tie "rea!ers4 ca&a"le o) "rea!in% an# )altcrrent t.at $i%.t occr at t.e location *.ere it is installe(+
c4 Freenc# 'ariations s.all "e !e&t *it.in t.e li$its %i'en in Sec+2+ Drin% cras.-sto& $anoe'res, it *ill "e acce&te( t.at 'olta%e an( )reenc# 'ariations e:cee( nor$al li$its, i) ot.er ei&$ent o&eratin% on t.esa$e net is not n(l# a))ecte(+
!$- S.ste+ rotection
!$-$! A'to+atic )oltage reg'lator *ail're
.ere a sin%le )ailre in t.e %enerators e:citation s#ste$s $a# en(an%er t.e $anoe'ra"ilit# o) t.e o))s.orenit, &ro'isions s.all "e $a(e to $onitor t.e &ro&er o&eration o) t.e e:citation s#ste$+ 8&on (etection o) a"nor$al con(itions, an alar$ s.all "e %i'en on t.e na'i%atin% "ri(%e an( in t.e en%ine control roo$ an(actions to "rin% t.e s#ste$ into a sa)e o&erational $o(e s.all "e ato$aticall# e:ecte(+
G'i&ance note>An acce&te( action *ill "e to ato$aticall# o&en t.e "s tie "rea!er in t.e 6ain S*itc."oar( so t.at (i))erent sectionso) t.e $ain "s"ar *or! in(e&en(entl# o) reacti'e loa( s.arin%+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$-$2 Motor e;citation circ'its
Circit &rotection in an e:citation circit s.all not case o&enin% o) t.e circit, nless t.e ar$atre circits are(isconnecte( si$ltaneosl#+
!$/ Control s.ste+s
!$/$! (ro'lsion control
a4 T.e electric &ro&lsion s#ste$ s.all "e ei&&e( *it. $eans )or ;local control>+ T.ese $eans s.all "en(erstoo( as a $et.o( o) controllin% t.e ei&$ent t.at constittes t.e &ro&lsion s#ste$+ T.ese $eanss.all "e in(e&en(ent o) t.e nor$al &ro&lsion re$ote control s#ste$+
"4 Failre o) t.e re$ote &ro&lsion control s#ste$ s.all not case a&&recia"le c.an%e o) t.e t.rst le'el or (irection an( s.all not &ro.i"it local control+
c4 T.e nor$al &ro&lsion re$ote control s#ste$ s.all incl(e $eans )or li$itin% t.e t.rst le'els *.en t.ereis not a(eate a'aila"le &o*er+ T.is $a# "e an ato$atic &itc. or s&ee( re(ction+
(4 T.e t.rst s.all not increase s"stantiall# in case o) loss o) an actal 'ale si%nal )ro$ a (iscrete trans$itter or loss o) a re)erence 'ale in t.e s#ste$+
e4 6eans )or e$er%enc# sto& o) &ro&lsion $otors s.all "e arran%e( at all control locations+ T.e e$er%enc#sto&s s.all "e in(e&en(ent o) t.e nor$al sto&, an( se&arate )or eac. &ro&lsion line+
)4 In case re$ote control o) a &ro&lsion (ri'e is arran%e( )or selectin% ot.er t.an t.e nor$al s&ee( control
$o(e e+%+ tore or &o*er4 t.e &ro&eller t.rst s.all not c.an%e si%ni)icantl# as a conseence o) selectin%an alternati'e o&eratin% $o(e+
G'i&ance note>
It is acce&te( t.at a.ea( an( astern t.rst ot&t *ill "e (i))erent (e to t.e &ro&eller c.aracteristics+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.# !ec.%# +lectric ropulsion age %&2
It is acce&te( t.at an e$er%enc# sto& s#ste$ .as co$$on &o*er s&&l# )or se'eral &ro&lsion $otors, as lon% as eac.$otor can "e sto&&e( "# t.is s#ste$ in(e&en(entl# o) t.e ot.er $otors, an( as lon% as a sin%le )ailre in t.ise$er%enc# sto& s#ste$ cannot case loss o) $anoe'ra"ilit#+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$/$2 (o3er lant control
a4 .en electric &ro&lsion is tilise(, t.e electric &o*er %eneration an( (istri"tion s#ste$ s.all "e ei&&e(*it. an ato$atic control s#ste$ .a'in% at least t.e )ollo*in% )nctions/
ensre a(eate &o*er )or sa)e $anoe'rin% is a'aila"le at all ti$es ensre e'en loa( s.arin% "et*een on-line %enerators e:ecte loa( tri&&in% an(or loa( re(ction *.en t.e &o*er &lant is o'erloa(e( ensre t.at a(eate &o*er )or sa)e $anoe'rin% is a'aila"le also i) one rnnin% %enerator is tri&&e(+
I) necessar# "# tri&&in% o) non-essential cons$ers no c.an%es in a'aila"le &o*er s.all occr i) t.e ato$atic control s#ste$ )ails, t.at is no start or sto&
o) %enerators s.all occr as an e))ect o) a )ailre control t.e $a:i$$ &ro&lsion $otor ot&t+
"4 T.e control s#ste$ s.all initiate an alar$, to t.e o&erator, *.en a(eate &o*er is no lon%er a'aila"le+
c4 T.e control s#ste$ s.all "e )ail sa)e, so t.at a )ailre in a loa( s.arin% line not reslt in a "lac!ot+
G'i&ance note>
T.e control s#ste$ $a# .a'e a selector )or transit or $anoe're $o(e, ena"lin% o&eration *it. (i))erent le'els o) reser'e &o*er in t.ese t*o $o(es o) o&eration+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
!$/$" Monitoring an& alar+s
a4 Sa)et# )nctions installe( in ei&$ent an( s#ste$s )or electric &ro&lsion s.all not reslt in ato$atic s.t(o*n nless t.e sitation i$&lies t.at t.e ei&$ent is not ca&a"le o) )rt.er )nctionin%, e'en )or a li$ite(ti$e+ Ato$atic re(ction o) &ro&lsion &o*er is acce&te(+
"4 ri$in% control s.all not &re'ent "lac!ot start, i) arran%e(+
c4 S.t(o*ns case( "# a sa)et# )nction s.all, as )ar as &ossi"le, "e arran%e( *it. a &re-*arnin% alar$+
(4 Critical alar$s )or &ro&lsion s.all "e rela#e( to t.e na'i%ation "ri(%e an( (is&la#e( *it. se&arate*arnin%s se&arate( )ro$ %ro& alar$s+
e4 6onitorin% *it. alar$ s.all "e arran%e( )or/
.i%. te$&eratre o) coolin% $e(i$ o) $ac.ines an( se$i-con(ctor con'erters .a'in% )orce( coolin% .i%. *in(in% te$&eratre o) all &ro&lsion %enerators an( $otors loss o) )lo* o) &ri$ar# an( secon(ar# coolants o) $ac.ines an( se$i-con(ctor con'erters .a'in%
close( coolin% $et.o( *it. a .eat e:c.an%er, *.en t.is )lo* is not case( "# t.e &ro&lsion $otor itsel)+ A:iliar# contacts )ro$ $otor starters $a# "e se( )or t.is &r&ose
l"ricatin% oil &ressre )or $ac.ines *it. )orce( oil l"rication lea!a%e o) *ater-air .eat e:c.an%er )or coolin% o) $ac.ines an( se$i-con(ctor con'erters
eart. )alt )or $ain &ro&lsion circits eart. )alt )or e:citation circits+ T.is $a# "e o$itte( in circits o) "rs.less e:citation s#ste$s an(
)or $ac.ines rate( less t.an <00 !4 )ses )or )ilter nits, or )or ot.er co$&onents *.ere )se )ailre is not e'i(ent+ .i%. an( lo* 'olta%e on $ain "s"ars .i%. an( lo* )reenc# on $ain "s"ars
G'i&ance note>
I) t.e s#ste$ .as an o&eratin% $o(e *it. o&en "s tie "rea!er, eac. "s"ar s.all .a'e 'olta%e, )reenc# an( lo*inslation alar$s
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
)4 A reest )or $anal loa( re(ction s.all "e isse(, 'isall# an( acosticall# on t.e "ri(%e, or an ato$atic
loa( re(ction s.all "e arran%e( in case o)/
lo* l"ricatin% oil &ressre to &ro&lsion %enerators an( $otors .i%. *in(in% te$&eratre in &ro&lsion %enerators an( $otors )ailre o) coolin% in $ac.ines an( con'erters+
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.& !ec.% ertification and lassification " e6uirements age %&4
CHA(TER " CERT%F%CAT%ON AND C0ASS%F%CAT%ON
SECT%ON ! CERT%F%CAT%ON AND C0ASS%F%CAT%ON : REU%REMENTS
! General
!$! %ntro&'ction
!$!$! As *ell as re&resentin% DNVs reco$$en(ations on sa)e en%ineerin% &ractice )or %eneral se "# t.eo))s.ore in(str#, t.e o))s.ore stan(ar(s also &ro'i(e t.e tec.nical "asis )or DNV classi)ication, certi)icationan( 'eri)ication ser'ices+
!$!$2 A co$&lete (escri&tion o) &rinci&les, &roce(res, a&&lica"le class notations an( tec.nical "asis )or o))s.ore classi)ication is %i'en "# t.e DNV o))s.ore ser'ice s&eci)ications )or classi)ication, see Ta"le 1-1+
!$2 Certi*ication an& classi*ication rinciles
!$2$! Electrical s#ste$s an( ei&$ent *ill "e certi)ie( or classi)ie( "ase( on t.e )ollo*in% $ain acti'ities/
(esi%n 'eri)ication ei&$ent certi)ication sr'e# (rin% constrction an( installation sr'e# (rin% co$$issionin% an( start-&+
!$" Ass'+tions
!$"$! An# (e'iations, e:ce&tions an( $o(i)ications to t.e (esi%n co(es an( stan(ar(s %i'en as reco%nise(re)erence co(es s.all "e (oc$ente( an( a&&ro'e( "# DNV+
!$"$2 As&ects o) t.e (esi%n an( constrction &ro'isions o) t.is stan(ar( *.ic. s.all "e s&eciall# consi(ere(,a%ree( &on, or $a# "e acce&te( are s"ect to DNV a&&ro'al *.en t.e stan(ar( is se( )or classi)ication
&r&oses+
!$"$" DNV $a# acce&t alternati'e soltions )on( to re&resent an o'erall sa)et# le'el ei'alent to t.at state(in t.e reire$ents o) t.is stan(ar(+
!$, Doc'+entation re7'ire+ents
!$,$! Doc$entation reire$ents s.all "e in accor(ance *it. t.e NS DocRe DNV Natics ro(ctionS#ste$ )or (oc$entation reire$ents4 an( DNV-R-A201+
2 Doc'+entation
2$! General
2$!$! For %eneral reire$ents to (oc$entation an( (e)inition o) t.e (oc$entation t#&es, see DNV-R-A201+
2$!$2 Doc$entation relate( to s#ste$ (esi%n )or $ain class s.all "e s"$itte( as reire( "# Ta"le 1-2+
G'i&ance note>
A((itional class notations $a# i$&l# a((itional (oc$entation reire$ents+
---e-n-(---o)-----i-(-a-n-c-e---n-o-t-e---
Table !:! DN1 O**shore Ser)ice Seci*ications
No+ Title
DNV-OSS-101 Rles )or Classi)ication o) O))s.ore Drillin% an( S&&ort 8nits
DNV-OSS-102 Rles )or Classi)ication o) Floatin% ro(ction, Stora%e an( loa(in% 8nits
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.& !ec.% ertification and lassification " e6uirements age %&5
Table !:2 S.ste+ &esign? &oc'+entation re7'ire+ents
'bJect (ocumentation type 8dditional description &or approval +8P- or &or information +&I-'n re2uest +R-
Electric &o*ers#ste$s
E010 J O'erall sin%leline (ia%ra$
A
E0<0 J Sin%le line(ia%ra$s cons$erlist )or s*itc."oar(s
For/AC &o*er s#ste$sDC "atter# s#ste$s8S s#ste$s
A
E0@0 J Electrical &o*er cons$&tion "alance
For/AC &o*er s#ste$sDC "atter# s#ste$s8S s#ste$s
A
E220 J Electricals#ste$ &.iloso&.#
- )or electrical &ro&lsion s#ste$s *it. (escri&tion o) allo&eratin% $o(es
- )or %eneral &o*er s&&l# s#ste$s *it. (escri&tion o) allo&eratin% $o(es nless t.e ;o'erall sin%le line (ia%ra$>is s))icient to %i'e necessar# n(erstan(in% o) t.e
o&eration an( rele'ant o&eration $o(es o) t.e s#ste$
FI
E200 J S.ort circitcalclations
Calclation o) sin%le &.ase )alt a%ainst eart. s.all "eincl(e( )or s#ste$s *it. eart.e( netral
FI
E210 J Har$onic(istortion calclations
Reire( *.en $ore t.an 20 o) connecte( loa( is "#se$i-con(ctor asse$"lies, in relation to connecte(%eneratin% ca&acit#+
FI
E100 J Volta%e (ro&calclations
8&on reest an( *.en a $otor rate( a"o'e 30 o) t.e)ee(in% %enerators4 or trans)or$ers4 rate( &o*er isstarte( (irect on line+
FI, R
E00 J Discri$inationanal#sis
T.e (oc$ent s.all co'er/enerator &rotection
6ain S*itc."oar( circits C.+1 Sec+1 ?@+G+14E$er%enc# S*itc."oar( circits C.+1 Sec+1 ?@+G+24
Batter# an( 8S s#ste$s
A
030 J S#ste$arran%e$ent &lan
Incl(in% locations o) &o*er sorces, s*itc."oar(s an((istri"tion "oar(s )or $ain an( e$er%enc# &o*er,8Ss an( "atteries+ Arran%e$ent o) access (oors, )ire(i'isions an( .i%. )ire ris! areas relate( to t.e a"o'e+
FI
01 J Failre $o(ean( e))ect anal#sis
Reire( i) se&arate e$er%enc# sorce o) &o*er iso$itte( in accor(ance *it. C.+2 Sec+2 ?3+1+@+8&on reest )or ot.er s#ste$s+
A
1@0 J Test &roce(re)or a# an( sea trial
Re(n(anc# an( )ailre $o(es "ase( on F6EA+Reire( i) se&arate e$er%enc# sorce o) &o*er iso$itte( in accor(ance *it. C.+2 Sec+2 ?3+1+@+8&on reest )or ot.er s#ste$s+
A
6otorstarters
E10 J Electricalsc.e$atic (ra*in%
Starters )or essential ser'ices+A
Se$icon(ctorasse$"lies
E130 J Electrical(atas.eet,se$icon(ctorasse$"lies
For essential ser'icesA DNV T#&e A&&ro'al certi)icate is acce&te( as analternati'e to t.e (atas.eet+
FI
Ca"lesE030 J Ca"le selection
&.iloso&.#A
E$er%enc#sto& s#ste$ E10 J Electricalsc.e$atic (ra*in%
E$er%enc# sto& o) electrical &ro&lsion $otors, &$&s
an( )ans, s.o*in% )ail to sa)e )nctionalit#+ A
Installationin .aar(osareas
E0G0 J Ta"le o) E:-installation
Base( on a&&ro'e( area classi)ication (ra*in% an( ESD &.iloso&.# i) rele'ant4+ A
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.& !ec.% ertification and lassification " e6uirements age %0$
2$!$" Electrical ei&$ent reire( to "e (eli'ere( *it. DNV ro(ct Certi)icate, see Ta"le 1-@, s.all "e(oc$ente( as (escri"e( in Ta"le 1-3+
Installationin .aar(os
areas
00 J Haar(os areaclassi)ication (ra*in%
An a&&ro'e( Area classi)ication (ra*in% *.ere locationo) electric ei&$ent in .aar(os area is a((e( E:ce&t
"atter# roo$, &aint stores an( %as "ottle store4+ FI
i%.tin%s#ste$s
E1G0 J i%.tin%(escri&tion
A
030 J S#ste$arran%e$ent &lan
E$er%enc# li%.tin% arran%e$entA
Table !:" Co+onent certi*ication? &oc'+entation re7'ire+ents
'bJect (ocumentation type 8dditional description &or approval +8P- or &or information +&I-
Ca"lesE110 J Ca"le (ata s.eet an( (esi%n(ra*in%
For ca"les not .a'in% a DNVt#&e a&&ro'al+ A
Electric &ro&lsion$otors
S.a)tin% (oc$entation as reire( inRles )or Classi)ication o) S.i&s t+@C.+@ Sec+1 A200
S.a)tin% )or electric &ro&lsion $otors in$ec.anical &ro&lsion line+
A
S.a)t %eneratorsS.a)tin% (oc$entation as reire( inRles )or Classi)ication o) S.i&s t+@C.+@ Sec+1 A200
S.a)tin% )or electric%enerators in $ec.anical
&ro&lsion line+A
Electrical asse$"lies(istri"tions*itc."oar(s, $otor
starters, $otor controlcentres, etc+4
E120 J Electrical (ata s.eet, %eneral FI
E1@0 J Asse$"l# sc.e(les an(tec.nical (ata
A
E1<0 J Stren%t. calclation *it.res&ect to s.ort circit
.en (esi%ne( s"-transients.ort circit stren%t. e:cee(s<0 !A r+$+s+
FI
E1=0 J Internal arc *it.stan(in% re&ort Hi%. 'olta%e asse$"lies onl#+ FIE10 J Electrical sc.e$atic (ra*in% A
E10 J a#ot o) electrical asse$"l# FI
E2@0 J Fnctional (escri&tion )orelectrical asse$"lies
.en so)t*are "ase( controlnits are se(
FI
Se$i-con(ctorasse$"lies
E120 J Electrical (ata s.eet, %eneral A
E130 J Electrical (ata s.eet,se$icon(ctor asse$"lies
FI
E1@0 J Asse$"l# sc.e(les an(tec.nical (ata
A
E10 J a#ot o) electrical asse$"l# FI
E2@0 J Fnctional (escri&tion )or
electrical asse$"liesFI
120 J Test &roce(re at $an)actrer A
Control s#ste$ )orre$ote an(orato$atic control o)
&o*er s#ste$
I020 J Control s#ste$ )nctional(escri&tion
A
I030 J Bloc! (ia%ra$ A
I0<0 J o*er s&&l# arran%e$ent A
I00 J Data s.eet *it. en'iron$entals&eci)ications
A
See also DNV-OS-D202
Electrical co$&onents "ein% certi)ie( "ase(on alternati'e test
$et.o(s i+e+%enerators, $otors,trans)or$ers,con'erters, etc+4
120 Test &roce(re at $an)actrer
roce(re )or testin% o)electrical ei&$ent(escri"in% t.e selecte($et.o( )or testin%,
$easre$ent an( calclationsse( )or 'eri)ication inaccor(ance *it. t.e rlesreire$ents+
A
Table !:2 S.ste+ &esign? &oc'+entation re7'ire+ents Contin'e&B
'bJect (ocumentation type 8dditional description &or approval +8P- or &or information +&I-'n re2uest +R-
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ffshore !tandard DNV"!"D#$%, ctober #$%&
h.& !ec.% ertification and lassification " e6uirements age %0%
" Certi*ication
"$! General
"$!$! T.e &ro(ct certi)ication is a con)or$it# assess$ent nor$all# incl(in% "ot. (esi%n an( &ro(ctionassess$ent+
T.e &ro(ction assess$ent incl(es ins&ection an( testin% (rin% &ro(ction an(or o) t.e )inal &ro(ct+
"$!$2 Co$&onents s.all "e certi)ie( consistent *it. its )nctions an( i$&ortance )or sa)et#+ T.e &rinci&les o) cate%orisation o) co$&onent certi)ication are %i'en in t.e rele'ant o))s.ore ser'ice s&eci)ications, see Ta"le 1-1+
"$2 Certi*icate t.es
"$2$! DNV (e)ines t*o le'els o) (oc$entation (e&en(in% on i$&ortance o) ei&$ent an( e:&erience %aine(in ser'ice/
(et "ors*e 9eritas Type 8pproval $ertificate +T8-:
A (oc$ent 'ali(ate( an( si%ne( "# a sr'e#or o) t.e Societ# statin%/
con)or$it# *it. rle (esi%n reire$ents+
("9 certificate +"9- is a (oc$ent si%ne( "# a sr'e#or o) t.e Societ# statin%/
con)or$it# *it. t.e rle or stan(ar( reire$ents t.at t.e tests are carrie( ot on t.e certi)ie( &ro(ct itsel)
t.at t.e tests are $a(e on sa$&les ta!en )ro$ t.e certi)ie( &ro(ct itsel) t.at t.e tests are $a(e in t.e &resence o) a sr'e#or )ro$ t.e Societ# or in accor(ance *it. s&ecial
a%ree$ents+
T.e &ro(ct s.all "e sta$&e( *it. a s&ecial NV-sta$& tracea"le to t.e certi)icate+
"$" T.e aro)al
"$"$! T#&e a&&ro'al is a &roce(re )or (esi%n assess$ent+ T#&e a&&ro'al can "e a&&lie( to a/
&ro(ct %ro& o) &ro(cts s#ste$+
T.is &roce(re s.ol( "e se( )or (esi%n assess$ent o) stan(ar( (esi%ns+
"$"$2 T.e t#&e a&&ro'al &roce(re *ill nor$all# consist o) t.e )ollo*in% ele$ents/
(esi%n a&&ro'al t#&e testin% issance o) t#&e a&&ro'al certi)icate+
T.e t#&e a&&ro'al &roce(re se( "# t.e DNV is (escri"e( in stan(ar( )or certi)ication No+ 1+2+
"$"$" For certain &ro(cts, ei&$ent an( s#ste$s as (e)ine( in a&&lica"le DNV o))s.ore stan(ar(s, t#&ea&&ro'al is s))icient as t.e assess$ent nee(e( )or con)or$in% &ro(ct alit#, i+e+ &ro(ction assess$ent isnot reire(+
"$"$, For certain &ro(cts, ei&$ent an( s#ste$s as (e)ine( in t.e a&&lica"le DNV o))s.ore stan(ar(s, t#&ea&&ro'al is a $an(ator# &roce(re )or (esi%n assess$ent+
"$"$- For &ro(cts, ei&$ent an( s#ste$s $an)actre( )or stoc!, t#&e a&&ro'al s.all "e t.e nor$al &roce(re )or assess$ent o) (esi%n+
er$anent $a%net$ac.ines
C0=0 6ec.anical co$&onent(oc$entation
Rele'ant (ra*in%s )orassess$ent o) $ec.anicalstren%t. o) rotor, &er$anent$a%net )i:ation an( stator
core )i:ation+
A
Table !:" Co+onent certi*ication? &oc'+entation re7'ire+ents Contin'e&B
'bJect (ocumentation type 8dditional description &or approval +8P- or &or information +&I-
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ffshore !tandard DNV"!"D#$%, ctober #$%&
)pp.) :ist of alarms and monitoring parameters age %00
A((END% A 0%ST OF A0ARMS AND MON%TOR%NG (ARAMETERS
A$! General
A$!$! General
8.1.1.1 T.e alar$s an( $onitorin% reire$ents in t.e Rle te:t are liste( in Ta"le A-1 *.ic. can "e se as
%i(ance+ S*itc."oar( instr$entation is not liste(+
In case o) an# (e'iation "et*een Ta"le A-1 an( t.e Rle te:t, t.e Rle te:t s.all a&&l#+
Table A:! 0ist o* alar+s an& +onitoring ara+eters o* +iscellaneo's electrical e7'i+ent
System Ite$ Indication
8larmTrip
7ocationindicated in
the rules Reference $omment
1+0 Desi%n &rinci&les
Failre in one o) t.e &o*ers&&lies )or cons$ers *it. (als&&l#
A 6AS C.+2 Sec+2 ?=+1+1 c4
Failre in coolin% nit in
en'iron$entall# controlle(s&aces
A 6AS C.+2 Sec+2 ?1+1+2 "4 Note 14 IACS
8RE 1G
1+1 Ato$atico&eration o) CBan( start sto&(iesel en%ines6S
Control s#ste$ &o*er )ailre A 6AS C.+2 Sec+2 ?+2+1 "4
Startin% )ailre o) &ri$e $o'er A 6AS C.+2 Sec+2 ?+2+2 a4
Freenc# A HA 6AS C.+2 Sec+2 ?+2+1 "4
Volta%e A HA 6AS C.+2 Sec+2 ?+2+1 "4
E:cessi'e &ercenta%e (i))erencein loa(s
HA 6AS C.+2 Sec+2 ?+2+2 a4
enerator stan("# IR C.+2 Sec+2 ?+2+2 )4
1+2 E$er%enc#%enerator ESB
ri$e $o'er )or e$er%enc#%enerator not rea(# )or start
IR C.+2 Sec+2 ?3+3+1 c4
.en se( in &ort/ 6onitorin%an( sa)et# reire$ents o) &ri$e$o'er
6AS C.+2 Sec+2 ?3+3+@ c4See t+@ C.+3
Sec+1
.en se( in &ort/ Fel oils&&l# tan! le'el
A 6AS C.+2 Sec+2 ?3+3+@ (4
1+3 Batter# 8S s#ste$s
C.ar%in% )ail Alternati'el#/ "atter# "ein% (isc.ar%e(4
A 6CS6ASC.+2 Sec+2 ?@+1+3
C.+2 Sec+ ?1+2+10 )4
Ventilation )ail A 6CSC.+2 Sec+2 ?@+1+3
C.+2 Sec+2 Ta"le 2-3C.+2 Sec+2 Ta"le 2-@
Ato$atic "#&ass in o&eration A 6CS C.+2 Sec+ ?1+2+10 )4
O&eration o) "atter# &rotection(e'ice
A 6CS C.+2 Sec+ ?1+2+10 )4
1+@ Na'i%ationli%.t
Failre in &o*er s&&l# A NB C.+2 Sec+2 ?=+2+3 a4 Note 24
S.ort-circit A NB C.+2 Sec+2 ?=+2+@ c4 Note 24
Bl" )ailre A NB C.+2 Sec+2 ?=+2+@ c4 Note 24
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ffshore !tandard DNV"!"D#$%, ctober #$%&
)pp.) :ist of alarms and monitoring parameters age %01
1+< rotection
Inslation )alt in (istri"tion
s#ste$I C.+2 Sec+2 ?+1+2 a4 Note 34
Inslation )alt in .i%. 'olta%es#ste$ *it.ot ato$atic(isconnection "# inslation )alt
A 6ASC.+2 Sec+2 ?+1+2
a4 an( c4 Note 34
oss o) control 'olta%e to &rotecti'e )nctions
A 6AS C.+2 Sec+2 ?+2+1 c4
O'erloa( alar$ )or $otors*it.ot o'ercrrent tri&
A 6AS C.+2 Sec+2 ?+<+1 (4
Acti'ation o) circit &rotectionin )ilter circits
A 6CS C.+2 Sec+2 ?++1
1+= Controlo*er(istri"tion
Failre &o*er s&&l# to essentialan( i$&ortant control an($onitorin% s#ste$s
A 6ASC.+2 Sec+2 ?+1+2 c4
C.+2 Sec+2 ?=+3+=
oss o) 'olta%e in t.e a:iliar# &o*er s#ste$ in .i%. 'olta%es*itc."oar(s
A 6AS C.+2 Sec+@ ?2+2+3 c4
.en a co$&onent or s#ste$.as t*o or $ore &o*er s&&l#circits *it. ato$atic c.an%eo'er, an alar$ s.all "e initiate(at a $anne( control station &onloss o) an# o) t.ese &o*ers&&lies+
A 6AS C.+2 Sec+2 ?=+1+1 (4
1+ E$er%enc#sto&
Failre in control &o*er s&&l#*.en arran%e( NO
A 6AS C.+2 Sec+2 ?+<+1
Co$&ter "ase( s#ste$/ S#ste$
)ailreA 6AS C.+2 Sec+2 ?+<+1
2+0 Coolin% an(anti-con(ensation
Failre in $ec.anical coolin% o)electrical s#ste$s
A 6AS C.+2 Sec+3 ?@+2+1a4Fail or o*
)lo*
in(in% te$&eratre in t.ecoole( ei&$ent )or essentialser'ices
HA, IR 6AS C.+2 Sec+3 ?@+2+1 a4
in(in% te$&eratre in t.ecoole( ei&$ent )or i$&ortantser'ices
HA 6AS C.+2 Sec+3 ?@+2+1a4
ea!a%e alar$ )or *ater coole(.eat e:c.an%ers
AC.+2 Sec+3 ?@+2+2
a4 an( "4
@+0 Rotatin%$ac.ines
Te$&eratre (etectorse$"e((e( in stator *in(in%
HA C.+2 Sec+< ?1+3+1 Note @4
<+0 o*ertrans)or$ers
I$$erse( trans)or$ers/ ii(le'el lo* A A C.+2 Sec+= ?1+2+2
I$$erse( trans)or$ers/ ii(te$&eratre .i%.
HA A C.+2 Sec+= ?1+2+2
I$$erse( trans)or$ers/ as &ressre .i%.
SH C.+2 Sec+= ?1+2+2
I$$erse( trans)or$ers/Intertrn s.ort circit
SH C.+2 Sec+= ?1+2+2
=+0 Se$i-con(ctor
Con'erters
o*er s&&l# )ailre A 6AS C.+2 Sec+ ?1+2+10 a4
Secon(ar# si(e eart. )alt IT(istri"tions4
A C.+2 Sec+ ?1+2+10 "4
Hi%. con(cti'it# o) coolin%lii( AH C.+2 Sec+ ?1+2+10 c4
Coolin%
lii( incontact *it.li'e &arts
Tri& o) nits A 6AS C.+2 Sec+ ?1+2+10 a4
Table A:! 0ist o* alar+s an& +onitoring ara+eters o* +iscellaneo's electrical e7'i+entContin'e&B
System Ite$ Indication
8larmTrip
7ocationindicated in
the rules Reference $omment
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ffshore !tandard DNV"!"D#$%, ctober #$%&
)pp.) :ist of alarms and monitoring parameters age %02
+0 ressrise(
s&aces an( E:-&oss o) &ressre to E:-& one 24 A 6CS C.+2 Sec+11 ?3+3+3 c4
+0 Electric
&ro&lsion
AVR-)ailre A NB 9 ECR
6AS4C.+2 Sec+12 ?1+<+1
Ins))icient &o*er )or &ro&lsion
A NB C.+2 Sec+12 ?1+=+2 "4
S.t (o*n &re *arnin% alar$ A NB C.+2 Sec+12 ?1+=+3 c4
Coolin% $e(i$ te$&eratre HA NB C.+2 Sec+12 ?1+=+3 )4 Note <4
in(in% te$&eratre o) all &ro&lsion %enerators an($otors
HA NB C.+2 Sec+12 ?1+=+3 )4 Note <4
oss o) )lo* o) &ri$ar# an(secon(ar# coolants AA NB C.+2 Sec+12 ?1+=+3 )4 Note<4
9 Note 4
"ricatin% oil &ressre A NB C.+2 Sec+12 ?1+=+3 )4 Note <4
ater-air .eat e:c.an%erlea!a%e
A NB C.+2 Sec+12 ?1+=+3 )4 Note <4
Eart. )alt )or $ain &ro&lsioncircits
A NB C.+2 Sec+12 ?1+=+3 )4 Note <4
Eart. )alt )or e:citation circits A NB C.+2 Sec+12 ?1+=+3 )4 Note <4 9
Note =4
6iscellaneos co$&onents A C.+2 Sec+12 ?1+=+3 )4 Note <4 9
Note 4
I X ocal in(ication &resentation o) 'ales4, in 'icinit# o) t.e $onitore( en%ine co$&onent or s#ste$IR X Re$ote in(ication &resentation o) 'ales4, in en%ine control roo$ or anot.er centralie( control station sc.
as t.e local &lat)or$$anoe'rin% consoleA X Alar$ acti'ate( )or lo%ical 'aleA X Alar$ )or lo* 'aleHA X Alar$ )or .i%. 'aleSH X S.t (o*n *it. corres&on(in% alar$+ 6a# "e $anall# reest )or s.t (o*n4 or ato$aticall# e:ecte( i)
not e:&licitl# state( a"o'e+ NB X Na'i%ation "ri(%e6AS X 6ain alar$ s#ste$6CS X 6ain control station
Notes/
14 A&&lica"le )or coolin% ei&$ent in en'iron$entall# controlle( s&aces, *.ere ei&$ent *it. re(ce( a$"ient te$&eratretolerance is installe(
24 Alar$sin(ication reire( in H onl#
34 Inslate( or .i%. resistance eart.e( s#ste$s
@4 A&&lica"le i) rate( ot&t Y <000 ! an( all .i%. 'olta%e $otors
<4 Critical alar$s s.all "e rela#e( to t.e na'i%ation "ri(%e an( (is&la#e( *it. se&arate *arnin%s se&arate( )ro$ %ro& alar$s
=4 T.is $a# "e o$itte( in circits o) "rs.less e:citation s#ste$s an( )or $ac.ines rate( less t.an <00 !4
4 For $ac.ines an( se$i-con(ctor con'erters .a'in% close( coolin% $et.o( *it. a .eat e:c.an%er, *.en t.is )lo* is not case( "# t.e &ro&lsion $otor itsel)
4 Fses )or )ilter nits or )or ot.er co$&onents *.ere )se )ailre is not e'i(ent+
Table A:! 0ist o* alar+s an& +onitoring ara+eters o* +iscellaneo's electrical e7'i+entContin'e&B
System Ite$ Indication
8larmTrip
7ocationindicated in
the rules Reference $omment
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ffshore !tandard DNV"!"D#$%, ctober #$%&
()N*+! (8!T8 age %03
CHANGES – H%STOR%C
Note t.at .istoric c.an%es ol(er t.an t.e e(itions s.o*n "elo* .a'e not "een incl(e(+ Ol(er .istoric c.an%esi) an#4 $a# "e retrie'e( t.ro%. .tt&/***+(n'+co$+
Aril 2!! e&ition
Main changes in Aril 2!!
General
Re)erences to s.i& t#&es .a'e "een re$o'e(+
Ch$2 Technical (ro)isions
Sec+2/ For clari)ication o) (esi%n i(eas )or electric s#ste$s an( to i$&ro'e rea(a"ilit#, so$e reor%aniationan( i$&ro'e( %ro&in% o) relate( reire$ents .a'e "een $a(e+
Sec+2 A20 an( Sec+3 C103/ T.e li$its )or 'olta%e .ar$onic (istortion are increase(+ Sec+2 C10@/ T.e reire$ents to o))s.ore nits *it. t*o or $ore in(e&en(ent $ac.iner# s&aces an( no
e$er%enc# %enerator are &(ate(+ Reire$ents )or F6EA an( test &ro%ra$ )or sc. s#ste$s .a'e "eenintro(ce(+
Sec+2 F100/ is re-*ritten+ Sec+2 F200/ Reire$ents to li%.tin% s#ste$s is $o(i)ie(+ Sec+2 F300 an( H101/ o*er s&&lies to control s#ste$s are re-*ritten+ Sec+2 10@/ Continit# o) s&&l# an( continit# o) ser'ice .as "een intro(ce(+ Sec+2 00/ Reire$ents )or .ar$onic )ilter &rotection is a((e(+ Sec+3 D301/ T*ist-on or cla$&-on connections is acce&te( )or li%.ts an( s$all &o*er a&&lications in (r#
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class reire$ents to se$icon(ctor con'erters+ Sec+G/ Reire$ents )or ca"les rate( 1+3 !V are $o'e( to .i%. 'olta%e ca"les+ Re)erences to IEC .a'e
"een &(ate(+ Sec+10 B, Ta"le B1 is $o(i)ie(+ Sec+10/ Ne* ite$s D@0G an( D@10+