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INDUSTRIAL TRAININGAT
SHIVENDRA K UMARB.T ECH IV YEAR
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ABOUT
NTPC Limited is the lar est !"#ere$erati$ %"m!a$& "' I$dia.
A !()li% se%t"r %"m!a$&* it #asi$%"r!"rated i$ the &ear +,- t" a%%elerate!"#er de/el"!me$t i$ the %"($tr& as a#h"ll& "#$ed %"m!a$& "' the G"/er$me$t"' I$dia.
It has a$ ele%tri% !"#er e$erati$ %a!a%it&"' 0+*+10 M2.It is "$e "' the se/e$ Maharat$a%"m!a$ies.
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ABOUT
It has+ %"al )ased 340*5, M26.- as )ased 35*, M26.0 7"i$t Ve$t(re Pr"8e%ts 34*4,0 M26.NTPC9s share "$ 5+ Mar 4::1 i$ the
t"tal i$stalled %a!a%it& "' the %"($tras +,.+; a$d it %"$tri)(ted 41. :;"' the t"tal !"#er e$erati"$ "' the%"($tr& d(ri$ 4::1
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AURAIYA GAS POWER PLANT
NTPC A(rai&a is l"%ated at Di)i&a!(ri$ A(rai&a distri%t i$ the state "' UttarPradesh.
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AURAIYA GAS POWER PLANT
BRIEF DISCRIPTION
•Type of station = Gas )ased %"m)i$ed %&%le•Established = +,1,• Location = Di)i&a!(r i$ A(rai&a distri%t "' UP•Fuel = Nat(ral Gas* Na!htha• Fuel source = HB7 Pi!eli$e < S"(th Basi$ Gas >eld• ater source = A(rai&a ? Eta#ah Ca$al• !as Turbine Output = 0@++: M2• Stea" Turbine Output = 4@+: M2• Net plant Output = 4 M2• ater Consu"ption = 5.4 %(se%s• Bene#ciary States = Uttar Pradesh* 7amm( Kashmir*Hima%hal Pradesh* Cha$di arh* Ra8astha$* Har&a$a*
P($8a) * Delhi Uttra$%hal.
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AURAIYA GAS POWER PLANT
Ma8"r a e%ti$ %"$diti"$s are am)ie$ttem!erat(re* Bar"metri% !ress(re a$dP"#er a%t"r at e$erat"r termi$als.A(GPP has t$o co"bined cycle %as"odule ea%h %"$sisti$ "' t$o %asturbines& t$o $aste heat reco'eryboilers ( )RB* and one stea" turbine .
The %a!a%it& "' ea%h !as Turbine is+++,-. / a$d that "' Stea" Turbine is++0 / .
T"tal %a!a%it& "' ea%h M"d(le= 12. / .
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AURAIYA GAS POWER PLANT
The A(GPP %a$ )e )asi%all& di/ided i$t" t#"s()
A (
G P P S#it%h&
ard
Mai$Pla$t
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MAIN PLANT
The Mai$ Pla$t %"$sists mai$l&"' the '"ll"#i$ %"m!"$e$ets=
+.Gas T(r)i$es4.Steam T(r)i$es5.2aste Heat Re%"/er& B"iler
0.Ge$erat"rs
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M o d u l e -
1
M o d u l e - 2
2 2 0 K V S W I T C H Y A R D
F R O M
K A N P U
R
T O A G R A
( P G C I L
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GAS TURBINEGas T(r)i$e is a heate$ i$e.
I$ the Gas T(r)i$e* the'"ll"#i$ !r"%esses ta e!la%e=
Co"pression "' #"r i$ medi(m 3air6ta e$ 'r"m atm"s!here i$ a%"m!ress"r.
Co"bustionI$%rease "' #"r i$ medi(mtem!erat(re )& %"$sta$t!ress(re i $iti"$ "' '(el i$%"m)(sti"$ %ham)er.
E3 ansion
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APPLICATIONS OF GAS TURBINE
C"$/e$ti"$al a!!li%ati"$s are Sim!le %&%le "!erati"$. C"m)i$ed %&%le "!erati"$.
Ele%tri% (tilit& %"m!a$ies (se ast(r)i$e !red"mi$a$tl& i$ sim!le%&%le a$d %"m)i$ed %&%lea!!li%ati"$s.C"m)i$ed %&%le "!erati"$ is m(%he %ie$t tha$ "!e$ %&%le "!erati"$.
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STEAM TURBINE There are 4 steam t(r)i$es i$ $(m)er* !rese$t i$the '(ll A(GPP
The t#" #aste heat re%"/er& )"ilers %"m)i$edtheir "(t!(t t" "$e t(r)i$e.
The t(r)i$e ets its 'eed 'r"m the l"# !ress(re3LP6 a$d hi h !ress(re 3HP6 dr(ms.
The l"# !ress(re dr(ms i/e its "(t!(t dire%tl& t"the t(r)i$e )(t the HP dr(ms i/e its "(t!(t t"
the s(!!er heater a$d the$ t" the t(r)i$e.I$ this #a&* steam t(r)i$e %"$sists "' t#" t(r)i$es? L"# Press(re3LP6 a$d Hi h Press(re3HP6t(r)i$es.
The steam t(r)i$e "!erates "$ Ra$ i$e %&%le.
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GAS TURBINES VS. STEAM TURBINES
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GENERATOR Ge$erat"r is three !hases* t#" !"le air%""led ma%hi$e.
The me%ha$i%al e$er & e$erated )&
t(r)i$e is %"$/erted t" ele%tri%al e$er & )&the e$erat"r a$d a!!ear i$ the stat"r#i$di$ i$ the '"rm "' %(rre$t a$d /"lta e.
This )ala$%es the t"r (e "' the as t(r)i$e.
It lead the ma $eti% (J* a$d %arries the>eld #i$di$ * the e$erat"r is sel' eJ%ited.
The !"#er re (ired '"r the eJ%itati"$ ista e$ 'r"m the e$erat"r termi$als a$d 'ed
t" the >eld #i$di$ thr"( h the eJ%itati"$
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WASTE HEAT RECOVERY BOILER
A(GPP is als" $"#$ as 2aste Heat Re%"/er&B"ilers 32HRB6 !la$t* #hi%h is "' $"$red* d(al!ress(re a$d '"r%ed %ir%(lati"$ t&!e. The )"ilerhas t#" di ere$t #ater steam %&%le $"#$ ashi h
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HP evaporator
LP evaporator
HP economiser1
HP economiser2
HP superheater1&2
LP superheater
LP economiser
condensate preheater
from HP feed pumps
from LP feed pumps
LP s e!m o LP ur"#$e
HP s e!m o HP ur"#$e
Flue gas
gas turbine
after
HP boiler
LP boiler
drum
drum
Temp.%&%'C
flue gas to atmosphere Temp.((&'C
and LPulatingmps
Temp.)*%'C
Temp.++%'C
P drum pressure,)"!r
drum,"!r
essure
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SWITCHYAR-It is a medi(m '"r eJ%ha$ e "' !"#er 'r"ms"(r%e t" l"ad "r 'r"m "$e s"(r%e t"a$"ther.It %"$sists "' s#it%hi$ e (i!me$t*
meas(reme$t* !r"te%ti"$ a$d %"$tr"le (i!me$t re (ired '"r !"#er e$erati"$a$d (tili ati"$.S"me "' the mai$ %"m!"$e$ts "' S#it%h&ard
are=! Cir%(it Brea er3CB6! Is"lat"r! C(rre$t Tra$s'"rmer3CT6! Ca!a%iti/e V"lta e Tra$s'"rmer3CVT6! Li ht$i$ Arrester3LA6
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SWITCHYAR-
There are mai$l& t#" s()<s&stems '"r the tra$smissi"$"' ele%tri%it& i$ theS#it%h&ard=I. 0:: V S&stemII.44: V S&stem
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)&& V SYSTEM
Used '"rtra$smissi"$ #ithA ra a$d Ka$!(r.C"$tai$s
4 Mai$ B(s$e a$d a Hal'
Brea er S%heme+ Ba&s
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++& V SYSTEMUsed '"rtra$smissi"$ #ithSi a$dara SS* UPPCPata SS* Pha!h($dSS a$d Mala$!(r SS.C"$tai$s
4 Mai$ B(s+ Tra$s'er B(s40 Ba&s
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A-VANTAGES OF GAS BASE-PLANTS
Hi h Thermal E %ie$%&L"# 2ater Re (ireme$tsE$/ir"$me$t rie$dl&
ast Start
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THANK YOU