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SPB-PC J K PAPER MILLS LTD.

SURAT, GUJARAT

ELECTRICAL SPECIFICATION

TECHNICAL SPECIFICATIONS FOR BATTERY &

BATTERY CHARGER

1.0 SCOPE OF TENDER

1.1 Scope of Supp!

Scope includes supply of the following 110V DC Battery & Battery charger

unit as per design criteria and construction features specified for JKPLCP!

1"!# $% Proect'

110V DC Battery Charger (nit ) 1 *o'

110V DC +00 ,- Lead acid Plante Battery ) 1 *o'

1." M#$ce%eou$ I'e($

.ne set of special tools and tac/les for coissioning'

$he scope of supply shall include the preparation and suission of all design

details2 drawings2 technical inforation2 operating and aintenance

instructions2 test certificates2 recoended 3uantities of consuales and

also special tools and tac/les re3uired for coissioning'

1.) Scope of Se*+#ce$

$enderer shall also e responsile to depute a 4rection2 $esting and

Coissioning engineer for super5ision of erection and coissioning of the

110V DC Battery and Battery Charger (nit apart fro carrying out all the

re3uired tests'

".0 DESIGN CRITERIA

$he proposed 110V DC Battery charger units shall e suitale for operationon the 5oltage2 fre3uency2 and syste as specified elow6

".1 S!$'e( Re,u#*e(e'

$he Battery and Battery Charger unit shall confor to the following design

re3uireents'

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Battery & Charger Spec.

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S.NO DESCRIPTION DESIGN PARAMETERS

1.0 Battery Charger

1'1 $ype $hyristorised controlled type

1'" Panel Construction & $hic/nessSheet steel of thic/ness not less than

"

1'7 Degree of protection 8P +"

1'+ Design aient teperature +9C

1'9 4arth usar "9 : ; copper

1'; Busar slee5ing PVC slee5ed

1'< 8nput ,C 5oltage +19V = 10>2 7Ph2 +#2 90-?=9>

1'@ Aloat Boost charger current rating ;0;0,

1' .utput current rating 90,

1'10Aloat Boost charger output 5oltagerating

110V DC

1'11 .utput current ripple "> of set 5alue

1'1" .utput 5oltage ripple "> of rs 5alue

1'17Eipple content present in the atterycharger output without attery

connected

#ithin 0'09

1'1+ .utput regulation =1> of set 5alue

1'19 Control configuration

7 Phase2 full wa5e thyristorised ridgefed through 7 )phase transforer and

controlled y constant potentialcontroller unit with load liiting feature

F,VEG

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1'1; !ode of operation ,utoatic !anual

1'1< !ode of charging6

Aloat FrangeG Constant potential at "'19 ) "'"9

V per cell

43ualise charging FrangeG Constant potential at "'"9 ) "'+

V per cell

Boost charging Constant current with a:iu

5oltage of "'< V per cell

1'1@ ,lars a' Boost float charger DC .P failure

' 8nput ,C power failure

c' 8nput power supply troule

d' Boost float DC under o5er5oltage

e' Boost float charger o5er current

f' Battery earth fault

1'1 !eters a' DC Volteter

' DC ,eter

c' ,C input Volteter

d' ,C input ,eter

1'"0 8ndications a' ,C Power .* .AA'

' Aloat charger switch .* .AA'

c' Boost ode .* .AA

1'"1 Protection a' Protection for o5erload

' Protection against shortcircuit at DCterinals

c' didt protection of SCEs

d' DC output o5er 5oltage FsettaleGo5er a range of specified output5oltage and slugged Ftie delayedG

e' #al/in circuit with 19 sec' #al/intie'

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1'"" Painting4po:y paint as per shade

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Note: $he e3uipent shall e rated to operate continuously in a a:iu aient

teperature of +7C and a iniu aient of C' $he attery cells shall

e si?ed to pro5ide full output throughout anufacturerHs specified

teperature range'

).0 APPLICABLE ACTS RLES AND REGLATIONS

43uipent co5ered y these specifications shall e designed2 anufactured

and tested in accordance with rele5ant latest standards and codes of practice

of Bureau of 8ndian Standards including 8S 1;912 8S 1;9"2 8S 101@2

8S @7"02 8S 11+;2 8S +0;+2 8S 1"+@ or e3ui5alent 8nternational standards li/e

84C'

2.0 OPERATING MODES

2.1 No*(% Mo3e

$he DC load shall e continuously supplied y the rectifier charger FsG which

shall deri5e power fro the priary FnoralG ,C source and shall

siultaneously float charge the atteryFiesG' $he incoing power supply to

each of changer shall e connected through re3uired isolating transforer

which shall ha5e taps at 7@0+00+19++0V'

2." E(e*/ec! Mo3e

(pon loss of priary ac source2 the load shall continue to e supplied fro

the attery for the period specified in the syste re3uireents FCL "'0G

2.) Rec4%*/e Mo3e

(pon restoration of the priary ,C source2 the rectifier chargerFsG shall

power the load and siultaneously recharge the atteryFiesG at the rate

deterined y the rectifier chargerFsG capacity and the attery 5oltage'$his shall e an autoatic function causing no interruption of power to the

load'

2.2 B%''e*! M%#'e%ce 5E#(#%'o*6 Mo3e

8f the attery only is ta/en out of ser5ice for aintenance2 the rectifier shall

continue to operate and eet all specified perforance criteria e:cept for the

reser5e tie capacity'

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7.0CONSTRCTIONAL DETAILS

9'1 $he attery chargers shall e housed in a free standing2 floor ountingcainet' $he charger panel shall e sheet steel construction of not less than

" thic/ness and capale of continuous independent operation to supply

DC power for fi:ed and oentary load2 and to float and oost charge the

associated attery siultaneously2 entirely uilt and tested in the wor/s of a

!anufacturer where regular assely of siilar units ta/es place'

9'" $he instruents2 switches and indicating laps shall e flush ounting on

the front panel' Suitale iic diagra depicting the power distriution

schee shall e pro5ided with necessary control and indication e3uipents'

*ae plates for all e3uipent shall e pro5ided' $he panel shall e copletewith internal wiring2 terinal loc/s2 space heater with therostatically

controlled switch2 and other au:iliaries'

9'7 $he syste shall include all circuit protecti5e de5ices2 5oltage regulators2

filters2 instruentation2 and related coponents re3uired to insure the

integrity and reliaility of the syste'

9'+ $he e3uipent shall e etal enclosed for indoor ser5ice2 free standing2 dead

front2 with hinged doors for front access' $he enclosure shall accoodate

otto cale entry' $he interior shall e designed to allow all noral

aintenance to e perfored fro the front hinged and loc/ale door' ,ll

cainets shall e pro5ided with suitale lifting lugs'

9'9 Cooling shall norally e y natural con5ection' #here an air circulation fan

assists natural con5ection2 redundant fans with filtered input air shall e

pro5ided' Ailters shall e easily reo5ale for cleaning or replaceent'

9'; %land FdrillG plates for e:ternal cales shall ha5e ade3uate space for gland

accoodation and e reo5ale' $he plates shall e located to pro5ide

ease of access for terinating the si?e and type of cale specified'

9'< Busars shall e PVC slee5ed' Power supply terinals and terinals li5e

fro outside sources shall e shrouded FguardedG'

9'@ 8nternal cuicle control wiring shall e insulated stranded copper conductor of

si?e not saller than "'9 s3' Fe:cept where !anufacturers standard

rion wiring syste is accepted y the purchaserG'

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9' #iring shall e run in wireways with aple spare capacity' 4ach wire end

shall ha5e plastic slee5e type peranently eossed ar/ers to atch

wiring diagras and terinals nuers'

9'10 Ale:ile cale shall e used for connections to door ounted e3uipent'

#iring shall e wrapped in fle:ile PVC conduit and e firly claped at oth

ends to pre5ent o5eent at terinations'

9'11 #iring terinations at different 5oltages and of different systes shall e

segregated and clearly ar/ed'

9'1" ,ll terinal loc/s shall ha5e 10> spare terinals' $he iniu terinal

si?e shall e "'9 s3' '

9'17 , copper earth usar of si?e not less than "9 : ; shall e run through

out the length of the e3uipent2 with all noncurrent carrying etal parts

and cale gland plates connected to it2 and shall ha5e an e:ternal rass

connecting stud for plant earth'

9'1+ ,ll doors shall e onded to the ain structure y eans of a fle:ile copper

connection arranged so that it cannot e trapped as the door is opened or

closed'

9'19 $herostatically controlled anticondensation heaters shall e installed' ,

fusile .*.AA disconnect switch or !CB for aintenance testing shall also

e pro5ided'

9'1; ,ll insulation aterials shall e nonhygroscopic'

9'1< $he e3uipent shall allow the reo5al of coponents without special tools'

$he design shall e such as to facilitate rapid repair replaceent'

.0 DESIGN AND PERFORMANCE

.1 Gee*%

;'1'1 ,ll coponents shall e rated for oost charging plus full load re3uireents

continuously for the specified life of the syste in the specified aient

conditions'

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;'1'" 8solators and switches shall e rated for atleast 1"9> of the a:iu

continuous load rating of the rectifiers and any short ter o5erload rating'

$hey shall ha5e loadrea/2 fault a/e capaility and e fitted with .*.AA

indicators'

;'1'7 Contactors Fif usedG shall e solenoid ) operated airrea/ type2 rated for

continuous operation for ,C or DC application as appropriate to the ser5ice'

$hey shall e capale of a/ing on the pea/ asyetrical let through fault

current of the incoing supply2 and of holding in until the fault has een

cleared y the upstrea protection' Eating of power contactor2 if any used2

shall not e less than 1;, or ore as re3uired'

;'1'+ Seiconductor fuse shall e eployed for all static circuits' Aor others2

standard -EC fuses of suitale rating shall e used for short circuitprotection'

;'1'9 $he $enderer shall confir that no significant radio fre3uency interference

will e generated y the rectifier syste'

;'1'; 4lectrical protection shall e designed y the e3uipent supplier for all aor

coponents to gi5e discriination under design inrush and all fault

conditions' Current liiting on the rectifier shall e incorporated2 adustale

to "00> of rated current and factory set to 110>'

;'1'< $he rectifier charger shall e protected against re5ersed attery polarity'

;'1'@ Protection shall e pro5ided against supply syste switching transients'

;'1' $he $enderer shall suit the estiated a:iu heat loss in /# fro the

e3uipent' $he heat loss shall e confired after copletion of detailed

design2 to facilitate design of air conditioning re3uireents'

;'1'10 $he !anufacturer Supplier shall ta/e steps to reduce direct radio fre3uency

radiations fro the charger e3uipent'

$he production of radio fre3uency interference 5oltages shall e in

accordance with the rele5ant sections of 4* 900@1 ) "'

$he perforance of the DC supply unit shall not e affected2 or in any way

degraded2 y the use of e3uipent Fe'g' portale radio transitters

recei5ersG operating in the fre3uency range "

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." Rec'#f#e* - C4%*/e*

;'"'1 $he rectifier charger shall e a constant 5oltage2 current liiting2 selfregulating2 static seiconductor type and shall e si?ed to supply the DC

load current as well as to recharge the attery to 9> of rated capacity

within @ to 10 hours unless otherwise specified on the Data Sheet' ,ll

rectifiers shall e full wa5e rectifiers and all controllale rectifiers shall e

fully controllale type rectifiers'

;'"'" $he output 5oltage at the Battery charger shall reain within the specified

tolerances during oth float and oost charge operation' Voltage dropping

diodes are an acceptale ethod for liiting the 5oltage appearing at the DC

load terinals during oost charging2 ut they shall not e in circuit duringfloat charge operation'

8n any case2 high DC 5oltage should not e allowed on to DC load side'

#hene5er oost charge is switched on2 the attery source to load side shall

e cut off & only float charge to e allowed for DC load' .ne @0> attery

tapping shall also e pro5ided to feed load in case of eergency if float

charger fails'

;'"'7 $he !anufacturer shall include in their rectifier design charge 5oltage

copensation for the attery operating teperature' $his is to ensure that

the recoended iniu and a:iu charge 5oltages are aintained

o5er the operating teperature range to achie5e optiu attery ser5ice

life'

;'"'+ $he design of the charger shall e such that repair replaceent can

reasonaly e carried out within the specified attery ac/ up tie'

;'"'9 4ach rectifier charger shall e pro5ided with an input circuit rea/er2 surge

suppressors such as etal)o:ide 5aristors F!.VHsG to protect against supply

side switching transients2 and the design shall incorporate an input isolation

transforer'

;'"'; $he float charger shall e capale of float charging the attery at "'19V per

cell and the oost charger shall e capale of charging the attery to "V per

cell in @ to 10 hours' $he charger shall ha5e sufficient capacity to reinforce a

fully discharged attery to a state of full charge in eight ten hours with

twenty fi5e F"9G percent spare capacity o5er a:' charging rate'

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;'"'< $he rectifier charger output ,C ripple shall not e:ceed 9> rs total

haronic distortion for 5oltages of = 10 > to "0 = > of the steady state

5alues for e:ternal DC load current of 0 to 100> of the rated 5alue unless

otherwise specified on the Data Sheet' 8t shall e copatile with the

attery re3uireents in e5ery respect'

;'"'@ $he rectifier shall e static type three phase full wa5e thyristor controller

rectifier or 8%B$ $ype'

;'"' !anual control /nos for coarse and fine 5oltage 5ariation shall e pro5ided'

$he float charge controller shall ha5e uilt in load liiting features'

;'"'10 #hen the attery is eing charged through oost charger2 float charger shall

e pre5ented to feed the attery tap off point y eans of a loc/ing diodes'

Bloc/ing diodes shall e pro5ided to pre5ent re5erse power feed fro attery

to charger circuits'

;'"'11 $he attery charger shall e of constant 5oltage type with dual pro5ision of

float charging and oost charging siultaneously or independently'

;'"'1" $he charger shall e pro5ided with input output Volteter and ,eters'

$he charger panel shall e of 8P +" enclosure or etter'

;'"'17 8f anual oost charging is specified it shall re5ert autoatically to float

charge in a preselected or when the attery is fully charged2 whiche5er is the

sooner'

;'"'1+ , I high DC 5oltageH alar and Icharger shutdownH alar shall e pro5ided'

;'"'19 , iic diagra of the syste including all isolation points shall e pro5ided

on the front of the enclosure'

.) B%''e*!

;'7'1 4ach attery shall e of high rate perforance Lead ,cid Plante type'

$he estiated attery capacity is at 10 hours discharge rate to pro5ide

noral and eergency DC loads' $he attery shall consist of re3uired

series connected cells' *oral attery 5oltage shall e 110V DC'

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;'7'" 4ach attery shall coprise a group of cells connected in series to gi5e

specified noinal 5oltage' 4ach cell shall identify the polarity2 electrolyte

le5el2 anufacturer2 type2 aperehour capacity2 hours asis and date of

anufacture2 all appearing in a plain and durale anner' #et cells shall

ha5e theroplastic containers and e:plosion resistant 5ent caps shall e

pro5ided' ,ll cells shall e ade of flae retardant aterial of high ipact

strength'

;'7'7 $o disconnect the attery at the source2 a circuit rea/er2 rated for full

attery capacity2 shall e pro5ided y the Seller for installation at the attery

rac/ or cainet' $he enclosure of the de5ice shall e certified for use in one

12 %roup 88C2 $7 FClass 82 Di5ision 882 %roup B2 $7G gasses unless specified

otherwise on the Data Sheet' #hen a circuit rea/er is specified2 it shall e

pro5ided with a shunt trip feature'

.2 Co$'*uc'#o of B%''e*#e$

6.4.1 Cell Elements

$he cell shall e lead acid type with tuular positi5e plates' $he plates shall

e designed for a:iu duraility2 high rate of discharge and rapid

fluctuation of load' *egati5e plate shall e of o: type ForG pasted acti5e

aterial securely in place and for good contact with grid during ser5ice'

$he insulation etween the plates shall pro5ide correct spacing and

peranent and coplete separation etween the plates of opposite polarity

to pre5ent internal shortcircuits and perit for circulation of electrolyte

under all conditions' $he iniu 5oltage at the end of load cycle shall not

e less than 1'@9 V per cell'

6.4.2 Electrolyte

$he electrolyte shall e of attery grade sulphuric acid conforing to 8S 6

";;' $he attery shall e despatched uncharged without the electrolyte' $he

electrolyte shall e supplied in nonreturnale container for each attery'

10> e:tra electrolyte shall e furnished to copensate for spillage during

transit and erection in nonreturnale containers'

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6.4.3 Containers

$he cell eleent and electrolyte shall e asseled in heat resistant2 shoc/

asoring2 lea/ proof theroplastic containers' $he cell plates shall e

suspended without touching the otto of the container' 8t shall pro5ide

sufficient sedient space so that the plates can shed their acti5e aterial

without shorting the plates in the cell during the e:pected life of the attery

without cell cleaning'

$he co5ers shall e furnished with acid spray proof 5ent plugs' $he cell post

polarity shall e ar/ed on the co5er' $he electrolyte le5el lines for upper

and lower liits shall e ar/ed on all four sides of each container'

6.4.4 Identification

4ach cell shall e ar/ed in a peranent anner to indicate the following

inforation6

Cell nuer with attery no'

$ype of positi5e plate

Cell capacity at 10 hour rate

$ype of container

!anufacturerHs nae

!onth and year of anufacture

6.4.5 Terminal Posts and Connectors

$he cell terinal posts and the intercell2 interrow2 interrac/2 interstep2

intertier and cell connectors shall e of lead or lead coated copper

connectors with ade3uate current carrying capacity' ,ll connectors shall e

furnished with acid resisting olts and nuts with insulating co5ers'

6.4.6 Stands

$he cell shall e supported on porcelain insulators and pads fi:ed on the rac/

with ade3uate clearance etween the adacent cells' $he tea/ wood rac/s

shall e painted with acid resistant paint' $he arrangeent of the rac/ shall

e such as to allow easy access and ade3uate space for noral aintenance

in attery roos'

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8.0 INSPECTION AND TESTING

,ll necessary routine tests shall e conducted on the e3uipent as per 8S@;"7'

9.0 DELI:ERY

$he e3uipent shall e deli5ered within three F7G onths fro the date of

ordering letter of intent'

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Battery & Charger Spec

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