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A REPORT OF THE VOCATIONAL
TRAINING
FOR THE PERIOD OF THREE WEEKS FROM
16.06.13 TO 07.07.13
at
MEJIA THERMAL POWER STATIONP.O. MEJIA, DIST. BANKURA
WEST BENGAL-722183
OFDAMODAR VALLEY CORPORATION
(D.V.C.)
by
SAGNIK CHOUDHURY
GURU NANAK INSTITUTE OF TECHNOLOGY
157/F, Nilgunj Ro!, So!"#u$, Kol%& 7''11(
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PREFACE
Econo!c "#o$%& !n In'!(, )*!n" '*+*n'*n% on %&* +o$*# *c%o#, &( n*c*!(%*' (n
*no#o "#o$%& !n **c%#!c!%/ '*(n' o0*# %&* (% %$o '*c('*. E*c%#!c!%/ !n )
(n%!%!* ! +#o'c*' !n +o$*# +(n%, $&!c& c(n )* o %&* oo$!n" %/+*4 5(6
T&*#( 5)6 Nc*(# 5c6 /'#(!c, 5'6 G( %#)!n* (n' 5*6 G*o%&*#(.
I &(0* 'on* / 0oc(%!on( %#(!n!n" !n MEJIA TERMAL POWER STATION n'*#
DAMODAR ALLE9 :ORPORATION 5D..:.6 co+#!!n" ; n!% o 21< MW
*(c&, 2 n!% o 2=< MW *(c& (n' 2 n!% o =
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ACKNOWLEDGEMENT
The dissertation has been prepared based on the vocational trainingundergone in a highly esteemed organisation of Eastern region, a pioneer inGeneration Transmission & Distribution of power, one of the most technicallyadvanced & largest thermal power stations in West Bengal, the Meia Thermal!ower "tation #M$T$!$"%, under D'$( would li)e to e*press my heartfelt gratitude to the authorities of MeiaThermal !ower "tation and Techno (ndia for providing me such anopportunity to undergo training in the thermal power plant of D', MT!"$
( would also li)e to than) the Engineers, highly e*perienced without whomsuch type of concept building in respect of thermal power plant would nothave been possible$ "ome of them are+
% Mr$ !arimal -umar Dubey.% Mr$ /upa) -umar 0ag1% Mr$ Malay Bal2% Mr$ Bhas)ar Dey
3
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CONTENTS
Page No
1. In%#o'c%!on ................................................................................................=
2.T*c&n!c( S+*c!!c(%!on o M*>!( %&*#( +o$*# +(n%.................................?
3.O0*#0!*$ o ( T&*#( +o$*# +(n%.............................................................7;.Mechanical operation
(.:o( &(n'!n" P(n%....................................................................................8
).W(%*# T#*(%*n% P(n%................................................................................@
c.W(%*# D*-!n*#(!(%!on P(n%...................................................................@
'.Bo!*# S/%*.............................................................................................1
=
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TECHNICAL SPECIFICATION OF MTPS :
(0"THIIED 'H!H'(TJ+ K% Total number of Lnits + K 2 .8 MW#unit to 2% with Brush Type Generators, . .98MW#unit 9 and N% with Brush less Type Generators, .O988 MW#unit 3 and 6% Generators$.% Total Energy Generation+ K .128 MW
1% "ource of Water+ K Damodar /iver2% "ources of 'oal+ K B$'$'$I and E$'$I, also imported from (ndonesia
In ( T&*#( Po$*# "*n*#(%!n" n!%, co)%!on o o! * 5co(, o! o# n(%#("(6 !n Bo!*# o# !!* ***n% 5#(n!,+%on!6 !n Nc*(# R*(c%o#
"*n*#(%* &*(% *n*#"/. T&! &*(% *n*#"/ %#(no# $(%*# !n%o %*( (% &!"&
+#*#* (n' %*+*#(%#*. T&! %*( ! %!!*' %o "*n*#(%* *c&(n!c( *n*#"/
!n ( T#)!n*. T&! *c&(n!c( *n*#"/, !n %#n ! con0*#%*' !n%o **c%#!c(
*n*#"/ $!%& %&*&*+ o (n A%*#n(%o# co+*' $!%& %&* T#)!n*. T&* +#o'c%!on
o **c%#!c *n*#"/ %!!!n" &*(% *n*#"/ ! no$n ( %&*#( +o$*# "*n*#(%!on.
T&* &*(% *n*#"/ c&(n"* !n%o *c&(n!c( *n*#"/ oo$!n" %&* +#!nc!+* o
R(n!n* #*&*(%-#*"*n*#(%!0* c/c* (n' %&! *c&(n!c( *n*#"/ %#(no# !n%o
**c%#!c( *n*#"/ )(*' on F(#('(/ ($ o **c%#o("n*%!c !n'c%!on. T&*
"*n*#(%*' o%+% o A%*#n(%o# ! **c%#!c( +o$*# o %**-+&(* (%*#n(%!n" c##*n%
5A.:.6. A.:. ++/ &( *0*#( ('0(n%("* o0*# '!#*c% c##*n% 5D.:.6 /%* (n'
&*nc* , !% ! +#**##*' !n o'*#n '(/. T&* 0o%("* "*n*#(%*' ! o o$
("n!%'* 51; %o 21 K o# '!*#*n% "*n*#(%o# #(%!n"6 (n' ! %*++*' +
!%()/ $!%& %&* &*+ o %#(no#*# o# *!c!*n% (n' *cono!c( %#(n!!on
o **c%#!c +o$*# #o "*n*#(%!n" %(%!on %o '!*#*n% o(' c*n%#* (% '!%(n%
oc(%!on.
?
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OVERVIEW OF A THERMAL POWER PLANT
A %&*#( +o$*# +(n% con%!no/ con0*#% %&* *n*#"/ %o#*' !n %&* o!
*5co(, o!, n(%#( "(6 !n%o &(% $o# (n' %!(%*/ !n%o **c%#!c!%/. T&*
$o#!n" !' ! $(%*# $&!c& ! o*%!* !n !!' +&(* (n' o*%!* !n 0(+o#
+&(* '#!n" !% c/c* o o+*#(%!on. En*#"/ #**(*' )/ %&* )#n!n" o * !
%#(n*##*' %o $(%*# !n %&* )o!*# %o "*n*#(%* %*( (% &!"& +#*#* (n' %*+*#(%#*,
$&!c& %&*n *+(n' !n %&* %#)!n* %o ( o$ +#*#* %o +#o'c* &(% $o#. T&* %*(
*(0!n" %&* %#)!n* ! con'*n*' !n%o $(%*# !n %&* con'*n*# $&*#* coo!n" $(%*#
#o ( #!0*# o# *( c!#c(%* c(##/!n" ($(/ %&* &*(% #**(*' '#!n" con'*n(%!on.
T&* $(%*# ! %&*n *' )(c %o %&* )o!*# )/ %&* ++ (n' %&* c/c* con%!n*. T&*
!"#* )*o$ !%#(%* %&* )(!c co+on*n% o ( %&*#( +o$*# +(n% $&*#*
*c&(n!c( +o$*# o %&* %#)!n* ! %!!*' )/ %&* **c%#!c "*n*#(%o# %o +#o'c*
**c%#!c!%/ (n' %!(%*/ %#(n!%%*' 0!( %&* %#(n!!on !n*.
1. Cooling tower. 2. Cooling water pump. 3. ran!mi!!ion line "3#p$a!e%. &. Unit tran!'ormer "3#
p$a!e%. (. )le*tri* generator "3#p$a!e%. +. ,ow pre!!ure tur-ine. . Con/en!ate e0tra*tion pump.
. Con/en!er. . Interme/iate pre!!ure tur-ine. 1. Steam go4ernor 4al4e. 11. Hig$ pre!!ure
tur-ine. 12. De#aerator. 13. 5ee/ $eater. 1&. Coal *on4e6or. 1(. Coal $opper. 1+. 7ul4eri!e/ 'uel
mill. 1. 8oiler /rum!. 1. A!$ $opper. 1. Super $eater. 2. 5or*e/ /raug$t 'an. 21. Re#$eater.
22. Air inta9e. 23. )*onomi!er. 2&. Air pre $eater. 2(. 7re*ipitator. 2+. In/u*e/ /raug$t 'an. 2.
C$imne6Sta*9.
7
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ME'PH0('HI Q!E/HT(Q0
COAL HANDLING PLANTG*n*#(/ o% o %&* %&*#( +o$*# +(n% * o$ "#('* )!%!no co(. T&*
con0*/*# )*% /%* %#(n+o#% %&* co( #o %&* co( %o#("* (#*( %o %&* co( !.
No$ %&* FP5F* (n'!n" P(n%6 '*+(#%*n% ! #*+on!)* o# con0*#%!n" %&* co(con0*#%!n" !% !n%o !n* "#(n(# '% )/ "#!n'!n" +#oc*. T&* co( #o %&* co(
)n*#.:o( ! %&* +#!nc!+( *n*#"/ o#c* )*c(* o !% (#"* '*+o!% (n'
(0(!()!!%/. :o( c(n )* #*co0*#*' #o '!*#*n% !n!n" %*c&n!* !*
&(o$ *( )/ #*o0!n" %&* o0*# )#n% *+o* %&* co( *(
n'*#"#on' !n!n".
T&* co( &(n'!n" +(n% ! *' %o %o#*, %#(n+o#% (n' '!%#!)%* co( $&!c& co*
#o %&* !n*. T&* co( ! '*!0*#*' *!%&*# %o"& ( con0*/o# )*% /%* o# )/ #(!
o# #o(' %#(n+o#%. T&* ) %o#("* o co( (% %&* +o$*# %(%!on ! !+o#%(n% o# %&*
con%!n* ++/ o *. U(/ %&* %oc+!* (#* '!0!'*' !n%o %** (!nc(%*"o#!*.
!0* %o#("*
**#"*nc/ %o#("*
on" %*# co+(c%*' %oc+!*.
T&* !"#* )*o$ &o$ %&* c&*(%!c #*+#**n%(%!on o %&* co( &(n'!n" +(n%.
F!#%/ %&* co( "*% '*+o!%*' !n%o %&* %#(c &o++*# #o %&* $("on (n' %&*n 0!( %&*
+(''* **'*# !% "o* %o %&* con0*/*# )*%1A. S*con'/ 0!( %&* %#(n*# +o#% %&* co(
"o* %o (no%&*# con0*/*# )*%2B (n' %&*n %o %&* c#&*# &o*. T&* co( (%*# )*!n"
c#&*' "o* %o %&* %(c*# 0!( %&* con0*/*# )*%3 o# )*!n" %(c*' o# #*c(!*'(n' !n(/ %o %&* '*!#*' n!%. ILMS ! %&* !n!n* ("n*%!c *+(#(%o# $&*#* ( %&*
("n*%!c +(#%!c* (oc!(%*' $!%& co( "*% *+(#(%*'.
COAL HANDLING PLANT PROCEDURE
8
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WATER TREATMENT PLANTRa- -ater #"ppl).R($ $(%*# #*c*!0*' (% %&* %&*#( +o$*# +(n% ! +(*' %o"& W(%*# T#*(%*n% P(n%
%o *+(#(%* +*n'*' !+#!%!* (n' '!o0*' "(* !nc'!n" o#"(n!c )%(nc* (n' %&*n
%o"& D*-!n*#(!*' P(n% %o *+(#(%* o)* !+#!%!*.
Deaeration.In %&! +#oc*, %&* #($ $(%*#! +#(/*' o0*# c(c('*
(*#(%o# !n $&!c& $(%*# o$
'o$n$(#' o0*# (n/ %*+
!n %&* o# o %&!n $(%*#(.
:(c('!n" !nc#*(* #(c*
(#*( o $(%*# %o (c!!%(%*
*(/ *+(#(%!on o '!o0*'
n'*!#()* "(* 5!*
&/'#o"*n +&!'*, (on!(,
0o(%!* o#"(n!c co+on' *%c.6 o# %o &*+ !n o/"*n(%!on o (!n/ *##o !on !n+#**nc* o (%o+&*#! o/"*n %o *##!c !on. T&** *##!c !on +#oo%* %o o* *%*n%
!n co("(%!on +#oc*.
Coag"lation.:o("(%!on %(* +(c* !n c(#!occ(%o#. :o("(n% '*%()!!* +*n'*'
o!' (n' (""o*#(%* %&* !n%o &*(0!*# oc, $&!c& ! *+(#(%*' o% %o"&
*'!*n%(%!on. P#!* c&*!c( *' o# co("(%!on (#* (, +o/-(!n! c&o#!'*
5PA:6.
/iltration.F!%*# #*o0* co(#* +*n'*' (%%*# (n' #*(!n!n" oc o# '"* (%*#
co("(%!on (n' (o #*'c* %&* c&o#!n* '*(n' o %&* $(%*#. F!%*# )*' (#* '*0*o+*'
)/ +(c!n" "#(0* o# co(#* (n%(c!%* (n' (n' !n (/*#. T&** !%*# )*' (#* #*"*n*#(%*' )/
)(c$(&!n" (n' (!# )o$!n" %o"& !%.
Chlorination.N*%#( o#"(n!c (%%*# ! 0*#/ &*%*#o"*n*o !.*. !% con%(!n (n/ c(* o &!"&
o*c(# $*!"&% o#"(n!c co+on'. !c )%(nc* con%!%%* ( (>o# +o#%!on o
%&* '!o0*' o#"(n!c c(#)on #o #(c* $(%*#. T&*/ (#* co+* !%#* o o#"(n!c
co+on' $!%& #*(%!0*/ nno$n %#c%#* (n' c&*!c( co+o!%!on.
DM (Demineralised Water Plant In D*-!n*#(!*' P(n%, %&* !%*# $(%*# o W(%*# T#*(%*n% P(n% ! +(*'
%o"& %&* +#*#* (n' !%*# 5PSF6 %o #*'c* %#)!'!%/ (n' %&*n %o"&
(c%!0(%*' c&(#co( !%*# 5A:F6 %o ('o#) %&* #*!'( c&o#!n* (n' !#on !n !%*# $(%*#.
@
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!OILER S"STEM
'OILER.Wo#!n" +#!nc!+* o Bo!*# 5S%*( G*n*#(%o#64
In Bo!*#, %*( ! "*n*#(%*' #o '*-
!n*#(!*' $(%*# )/ %&* (''!%!on o &*(%.T&* &*(% (''*' &( %$o +(#%4 *n!)* &*(%
(n' (%*n% &*(%. T&* *n!)* &*(% #(!* %&*
%*+*#(%#* (n' +#*#* o $(%*# ( $* (
%*(. T&* (%*n% &*(% con0*#% $(%*# !n%o
%*( 5+&(* c&(n"*6. T&! con0*#!on ! (o
no$n ( )o!!n" o $(%*#, $&!c& ! '*+*n'*n%
on +#*#* (n' co##*+on'!n" %*+*#(%#*.
T&*#o'/n(!c(/, )o!!n" ! ( +#oc* o
&*(% (''!%!on %o $(%*# (% con%(n% +#*#* C%*+*#(%#*.
T&* (n%!%/ o (%*n% &*(% '*c#*(* $!%&
!nc#*(* !n +#*#* o $(%*# (n' !% )*co*
*#o (% 221.
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#*c!#c(%!on !n* conn*c% 'o$n-co*# $!%& %&* *cono!*# !n*% &*('*#
%o"&
(n !o(%!n" 0(0* (n' ( non-#*%#n 0(0* %o +#o%*c% *cono!*# %)* #o
o0*#&*(%!n" c(*' )/ %*( *n%#(+*n% (n' %(#0(%!on. T&! ! 'on* %o *n#*
c!#c(%!on o $(%*# %o"& %&* %)* '#!n" !n!%!( !"&%!n" + o )o!*#, $&*n
%&*#* ! no **' $(%*# o$ %o"& *cono!*#. Dr"04Bo!*# '# ! oc(%*' o%!'* %&* #n(c* #*"!on o# * "( +(%&. T&! %o#*
c*#%(!n (on% o $(%*# (n' *+(#(%* %*( #o %*(-$(%*# !%#*. T&*
!n! '# $(%*# *0* ! ($(/ (!n%(!n*' o ( %o +#*0*n% o#(%!on o
0o#%* (n' %o +#o%*c% $(%*# $( %)* 5*+*c!(/ !% co#n*# %)*6 #o %*(
*n%#(+*n% %(#0(%!on '* %o &!"&*# c!#c(%!on #(%!o o )o!*#.
T&* *con'(#/ %("* con!% o %$o o++o!%* )(n o co*/ +(c*' %&!n
co##"(%*' &**% $&!c& '!#*c% %&* %*( %o"& ( %o#%o +(%& (n' o#c* %&*
#*(!n!n" *n%#(!n*' $(%*# ("(!n% %&* co##"(%*' +(%*. S!nc*, %&* 0*oc!%/ !#*(%!0*/ o$, %&! $(%*# 'o* no% "*% +!c*' + ("(!n )% #n 'o$n %&*
+(%* (n' o %&* *con' %("* !+ (% %&* %$o %*( o%*%.
F#o %&* *con'(#/ *+(#(%o#, %*( o$ n!o#/ (n' $!%& #*(%!0*/ o$
0*oc!%/ +$(#' %o %&* *#!* o c#**n '#/*# 5c#))*#6, *%*n'!n" !n (/*#
(c#o %&* *n"%& o %&* '#. T&** c#**n +*#o# %&* !n( %("* o *+(#(%!on.
S"perheater4S+*#&*(%*# 5S6 (#* *(n% o# **0(%!n" %&* %*( %*+*#(%#* ()o0* %&*
(%#(%!on %*+*#(%#* !n +&(*H o %&(% (! $o# c(n )* *%#(c%*' #o
&!"& *n*#"/ 5*n%&(+/6 %*( (n' (%*# *+(n!on !n T#)!n*, %&* '#/n* #(c%!on
'o* no% #*(c& )*o$ 8
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Boiler drm drains ! "ents, 5!!!6 #$erheater ! Reheater headers drains ! "ents,
5!06Des$erheater header drains ! "ents et%& Drains 'a%ilitate draining or hot
blo( do(n
o )o!*#, ( (n' $&*n #*!#*'H $&!* 0*n% *n#* )o$!n" o% o (!# #o
)o!*# '#!n" !n!%!( !"&%!n" + ( $* ( (c!!%(%* '*+#*#!!n" o )o!*#.
T&* con%!no )o$ 'o$n 5:BD6 0(0* (c!!%(%* #*'c%!on !n con%(!n(n%conc*n%#(%!on !n '# $(%*# (n' (o co+*%* '#(!n!n" o '# $(%*#. T&*
!n%*#!%%*n% )o$ 'o$n 5IBD6 **#"*nc/ )o$ 'o$n 5EBD6 0(0* &*+ %o
no#(!* %&* *c* '# $(%*# *0* '#!n" **#"*nc/ !%(%!on.
Technical 8ata o1 the 'oiler
T/+* R('!(n%, R*&*(%, N(%#( c!#c(%!on, S!n"*
D#, B((nc*' '#!%, D#/ )o%%o, T!%!n"
%(n"*n%!(, :o( (n' o! !#*' $!%& DIP: 5D!#*c%
I"n!%!on o P0*#!*' :o(6 /%*.
/"rnace
W!'%& 138?8 .
D*+%& 1
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ASH HANDLING PLANT
A (#"* (n%!%/ o (& !, +#o'c*' !n %*( +o$*# +(n% !n" co(.
A& +#o'c*' !n ()o% 1< %o 2
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No. o co*c%!n" **c%#o'* +(%* 2@;
To%( no. o co*c%!n" +(%* +*# )o!*# 3=28
No!n( &*!"&% o co*c%!n" +(%* 13.= .
No!n( *n"%& o co*c%!n" **c%#o'* +*# !*'
!n %&* '!#*c%!on o "( !*'
;.= .
No!n( $!'%& o co*c%!n" +(%* 7=< .
S+*c!!c co*c%!n" (#*( 2
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!OILER A)ILIARIES
In8"ce8 8ra1t 1an 5ID 1an64In'c*' '#(% #*+#**n% %&* /%* $&*#* (!# o# +#o'c% o co)%!on (#*'#!0*n o% (%*# co)%!on (% )o!*# #n(c* )/ (!n%(!n!n" %&* (% ( +#o"#*!0*/
!nc#*(!n" ) (%o+&*#!c +#*#*. T&! ! (c&!*0*' $!%& %&* &*+ o !n'c*' '#(% (n (n'%(c. In'c*' '#(% (n ! o#$(#' c#0*' c*n%#!"( 5#('!(6 (n (n' c %&* /-(& ('*n
"( o %*+*#(%#* (#on' 12=: o% o %&* #n(c* %o %o$ !% !n%o %(c 5c&!n*/6. T&* (n! conn*c%*' $!%& '#!0!n" o%o# %o"& &/'#o-co+!n" o# $!%& 0(#!()* #**nc/ '#!0*
5FD6 o%o# %o **+ '*!#*' (n +**'.
Technical 8ata o1 the I!D!/an 5In8"ce8 Dra"ght /an6 at ,nit 9:
No. o )o!*# 3
T/+* R('!(, ND 31 S!'o#
M*'! &(n'*' F* "(
Loc(%!on G#on' oo#
O#!*n%(%!on Sc%!on*#%!c(;= '*"#** %o o#!on%(
D*!0*#/Bo%%o o#!on%(.
/orce8 8ra1t 1an 5/D 1an64Fo#c*' '#(% #*+#**n% o$ o (!# o# +#o'c% o co)%!on (% ( +#*#* ()o0*
(%o+&*#*. T&* (!# o# co)%!on ! c(##!*' n'*# o#c*' '#(% con'!%!on (n'
%&* (n *' o# %&! +#+o* ! c(*' Fo#c*' D#(% 5FD6 (n. I% ! (!( %/+* (n (n'
! *' %o %(* (!# #o (%o+&*#* (% ()!*n% %*+*#(%#* %o ++/ (!# o#
co)%!on, $&!c& %(* *n%#/ %o )o!*# %o"& $!n' )o. In ( n!% *c*+%
D#"(+# TPS Un!% ;, %&! (n (o ++!* &o% co' (!# %o %&* co( !. T&*
o%+% o (n ! con%#o*' )/ !n*% 0(n* )('* +!%c& con%#o /%*.
Technical 8ata o1 the /!D!/an 5/orce8 Dra"ght /an6 at ,nit 9:
No. o )o!*# 2
T/+* R('!(, ND 28S!'o#
M*'! &(n'*' :*(n (!#
Loc(%!on G#on' oo#
O#!*n%(%!on ;= &o#!on%(, '*!0*#/-)o%%o &o#!on%(.
Pri0ar) air 1an 5PA 1an6 or E;ha"#ter 1an.T&* nc%!on o +#!(#/ (!# ! %o %#(n+o#% +0*#!*' co( #o co( ! %o %&*
#n(c*, %o '#/ co( !n co( ! (n' (o %o (%%(!n #*!!%* +0*#!*' co(%*+*#(%#* o# #*('/ co)%!on (% #n(c*. In o* n!% !* :&(n'#(+#( TPS
n!% 1, 2 C 3, %&* *&(%*# (n c +0*#!*' co( (n' (!# !%#* #o co(
! (n' *n' !% %o %&* #n(c*.
Technical 8ata o1 the P!A!/an 5Pri0ar) Air /an6 at ,nit 9:
No. o )o!*# 3
T/+* R('!(, ND 2< *#(*
M*'! &(n'*' o% (!#
Loc(%!on G#on' oo#
O#!*n%(%!on Sc%!on*#%!c(;= '*"#** %o o#!on%( D*!0*#/Bo%%o o#!on%(.
1=
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Coal 0ill or p"l
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STEAM TR!INEA %*( %#)!n* ! ( +#!* o0*# $&!c& con%!no/ con0*#% %&* *n*#"/ o &!"&
+#*#*, &!"& %*+*#(%#* %*( ++!*' )/ %&* )o!*# !n%o &(% $o# $!%& o$
+#*#*, o$ %*+*#(%#* %*( *&(%*' %o ( con'*n*#.
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500 MW(KWU) Steam turbine (Mejia TPS U #7&8)
M(*# B&(#(% *(0/ E*c%#!c( L!!%*'
T/+* R*(c%!on %#)!n*
T/+* o "o0*#n!n" To%%!n"
N)*# o c/!n'*# 3
S+**' 5RPM6 3
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C%%lin* t%+er
:oo!n" %o$*# coo %&* $(# $(%*# '!c&(#"*' #o %&* con'*n*# (n' **' %&* coo*' $(%*# )(c
%o %&* con'*n*#. T&*/ %& #*'c* %&* coo!n" $(%*# '*(n' !n %&* +o$*# +(n%. W*% coo!n"%o$*# co' )* *c&(n!c(/ '#("&% o# n(%#( '#("&%. In M.T.P.S %&* coo!n" %o$*# (#* I.D.
%/+* o# n!% 1-? (n' n(%#( '#("&% o# n!% 7C8.
'ooling towers
for units 3 and 6 natural draught
CHIMNE=A c&!n*/ (/ )* con!'*#*' ( ( c/!n'#!c( &oo$ %o$*# ('* o )#!c o# %**. In MTPS %&*
c&!n*/ o *!"&% n!% (#* ('* o )#!c. :&!n*/ (#* *' %o #**(* %&* *&(% "(*5co!n"
#o %&* #n(c* o %&* )o!*#6&!"& + !n %&* (%o+&*#*. So, %&* &*!"&% o %&* c&!n*/ (#* ('*
&!"&.
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ELECTRICAL OPERATION
T&* **c%#!c( o+*#(%!on o ( +o$*# +(n% co+#!* o "*n*#(%!on, %#(n!!on (n'
'!%#!)%!on o **c%#!c( *n*#"/. In ( +o$*# %(%!on )o%& '!%#!)%!on (n' %#(n!!ono+*#(%!on c(n %(* +(c*. W&*n +o$*# ! *n% #o +o$*# %(%!on %o ( o%&*# +o$*#
%(%!on !n %&* "#!', !% ! no$n ( '!%#!)%!on o +o$*#. W&*n +o$*# +(n% ! '#!0!n"
+o$*# #o o%&*# +o$*# %(%!on !% ! no$n ( %#(n!!on o +o$*#**c%#!c(
*n*#"/.
ELECTRIC GENERATOR
In M.T.P.S. %&*#* (#* ? **c%#!c "*n*#(%o# o# n!% 1 %o ?. T&** (#* 3 +&(* %#)o
"*n*#(%o#, 2 +o* c/!n'#!c( #o%o# %/+* /ncono (c&!n* $&!c& (#* '!#*c%/
co+*' %o %&* %*( %#)!n*. T&* "*n*#(%o# con!% o 2 +(#% (!n/ %&* %(%o# (n'
%&* #o%o#.
Stator4 T&* %(%o# )o'/ ! '*!"n*' %o $!%&%(n' !n%*#n( +#*#* o &/'#o"*n-(!#
!%#* $!%&o% (n/ #*!'( '*o#(%!on. T&* %(%o# co#* ! )!% + o *"*n%(
+nc&!n" o &!"& +*#*()!!%/, o$ o :RGOS %** (n' (#* !n !n%*#*(0*' (nn*#
on +#!n" co#* )(# %o #*'c* &*(%!n" (n' *''/ c##*n% o. T&* %(%o# $!n'!n" &( 3
+&(* 'o)* (/*# &o#% co#'*' )(# %/+* (+ $!n'!n" &(0!n" 2 +(#(* +(%&. T&*
$!n'!n" )(# (#* !n(%*' $!%& !c( %&*#o*%%!n" !n(%!on %(+* $&!c& con!% o
*!)* !c( o!, / (%#(%*' $!%& ( /n%&*%!c #*!n &(0!n" *c**n% **c%#!c(
+#o+*#%!*. W(%*# coo*' %*#!n( )&!n" (#* &o*' !n %&* o$*# +(#% o %&* %(%o#
on %&* !+ #!n" !'*.
Rotor4 Ro%o# ! o c/!n'#!c( %/+* &(% (n' )o'/ o#"*' !n on* +!*c* #o co!n!c* o/)'*n (n' 0(n('! %**. So% (#* (c&!n*' on %&* o%*# #(c* %o
!nco#+o#(%* $!n'!n". W!n'!n" con!% o co! ('* #o &(n' '#($n !0*# co++*#
$!%& )on'*' !n(%!on. G*n*#(%o# c(!n" ! !*' + $!%& 2 "( $!%& #*!#*'
+#*#*, +#!%/ o "( ! ($(/ (!n%(!n*'@7. P#o+**# %/+* (n (#* on%*'
on *!%&*# !'* o %&* #o%o# &(% o# c!#c(%!n" %&* coo!n" "( !n!'* %&* "*n*#(%o#.
T"r(ogenerator
2
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Technical Data o1 T"r(ogeneratorMain para0eter#
R(%*' W c(+(c!%/ 21
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Weight# o1 8i11erent part#
*(0!*% $*!"&% 5$*!"&% o %(%o#6 5".6 17
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Speci1ication# o1 Generator Tran#1or0er 5GT6 at ,nit 9&
T/+* o coo!n" ONANONAFOFAF
R(%!n" 5MA6 12
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#*!#**n% o# %&* n!% (!!(#!* o ( #nn!n" n!% !n %&* *0*n% o o%("* o %&* n!%
o#c* o ++/. T&* no. (n' (++#o!(%* c(+(c!%/ o %&* SST '*+*n'!n" +on %&* no. (n'
MW #(%!n" o %&* TG *% (#* !n'!c(%*' )*o$.
Speci1ication# o1 Station Ser
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,nit a";iliar) tran#1or0er 9> 2 Ty#" o 0ooling+ ONAN/ONAF 2oil n&u$l/ oil n&u$l i$ o$0"3
R&ing 2H-*-3+ '/1. )*A R&ing 2L-*-3+ '/1. )*A
No lo! 6ol&g"+ 18-5 %* 2H-*-3 No lo! 6ol&g"+ .-4 %* 2L-*-3
Lin" 0u$$"n&+ 1.78-(74/188.-78 #-
T"#"$&u$" $i" o >in!ing+ 55?C
Inul&ion l"6"l+ 481 K*I 8%* $-- 2H-*-3 .'%*I '%* $-- 2L-*-3
Speci1ication# o1 ,nit A";iliar) Tran#1or0er 5,AT6 at ,nit 9&
T/+* o coo!n" ONANONAF
R(%!n" 5MA6 ;=3?
R(%!n" L 5MA6 ;=3?
No o(' 0o%("* 56 21
No o(' 0o%("* L 56 11.=
L!n* c##*n% 5(+6 1238.?;
L!n* c##*n% L 5(+6 22?1.87
T*+*#(%#* #!* o! 5:6 ;< 5O0*# ()!*n% o =
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CONTROL ROOM ,NI T.
T&* ()o0* !"#* &o$ %&* +o$*# !n* '!("#( !n %&* con%#o #oo. I% c*(#/ &o$ &o$ %&*
**c%#!c +o$*# "*n*#(%*' )/ %&* "*n*#(%o# ! %#(n!%%*' %o"& %&* "*n*#(%!n" %#(no#*# !n%o %&*
) (n' %&* '!%#!)%!on o +o$*# )/ %&* n!% (!!(#/ %#(no#*#.
E?CITATION S=STEMT&* +#+o* o *c!%(%!on /%* ! %o con%!no/ +#o0!'* %&* (++#o+#!(%* (on% o D.:. !*'
c##*n% %o %&* "*n*#(%o# !*' $!n'!n". T&* *c!%(%!on /%* ! #*!#*' %o nc%!on #*!()/ n'*#
%&* oo$!n" con'!%!on o %&* "*n*#(%o# (n' %&* /%* %o $&!c& !% ! conn*c%*'.
/"nctional co0ponent# o1 an e;citation #)#te0 .
A "oo' *c!%(%!on /%* con!% o +#o+*#/ co-o#'!n(%*' nc%!on( co+on*n%
$&!c& (#*
(6 Ec!%(%!on Po$*# o#c*)6 S*!con'c%o# R*c%!!*#
c6 o%("* con%#o*#
'6 P#o%*c%!0*, !!%!n" (n' $!%c&!n" *!+*n%
*6 Mon!%o#!n", M*%*#!n" (n' !n'!c(%!n" *!+*n% (n'
6 :oo!n" /%*
T)pe# o1 E;citation S)#te0 .
In *(#!*# '(/ D: *c!%(%!on /%* $( !n *. Inc#*(* !n "*n*#(%o# c(+(c!%/ !n %#n
#(!*' %&* '*(n' o *c!%(%!on +o$*# $&!c& $( no%(c&!*0()* )/ %&* D: *c!%*#.
T&! *' %o %&* (cc**#(%*' '*0*o+*n% o A: *c!%(%!on /%* !n +(c* $!%&
"*n*#(%o# c(+(c!%/. W!%& %&* (%#!n" o o!' %(%* *!con'c%o# %*c&noo"/ A:
2?
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*c!%(%!on /%* on' %o )* +*#!o# %*c&n!c(/ ( $* ( *cono!c(/.
Ec!%(%!on /%* c(n )* c(%*"o#!*' (n' )'!0!'*'!n%o %&* oo$!n" 4
a6 D!C! e;citation #)#te0
!6 P!o% M(!n Ec!%*# *c!%(%!on /%*
!!6 Ro%(%!n" A+!!*# *c!%(%!on /%*.
(6 A!C! e;citation #)#te0!6 Ro%(%!n" !"& F#**nc/ *c!%(%!on /%*
!!6 S%(%!c *c!%(%!on /%*
!!!6 B#&* *c!%(%!on /%*
SWITCH=ARD SECTION
A $!%c&/(#' ! **n%!(/ ( &) o# **c%#!c( +o$*# o#c*. Fo# !n%(nc*, ( $!%c&/(#'$! *!% (% ( "*n*#(%!n" %(%!on %o coo#'!n(%* %&* *c&(n"* o +o$*# )*%$**n %&* "*n*#(%o# (n'
%&* %#(n!!on !n* !n %&* (#*(. A $!%c&/(#' $! (o *!% $&*n &!"& 0o%("* !n* n**' %o )*
con0*#%*' %o o$*# 0o%("* o# '!%#!)%!on %o con*#. *#* !n MTPS %&*#* ! ( )!" $!%c& /(#'*c%!on o# %&* n!% on* %o !, (n' (o o# *0*n C *!"&% %&*#* (o ( $!%c& /(#'. So* o %&*
o+*#(%!on o %&* co+on*n% o %&* $!%c& /(#' ! o*%!* 'on* #o %&* con%#o #oo o
#*+*c%!0* n!%. T&(% ! %&* $!%c& /(#' n'*# *(c& n!% ! o*%!* con%#o #o %&* con%#o
#oo o *(c& n!% #*+*c%!0*/
.
Circ"it Diagra0) **+- s(it%h.ard o' /&T&P
A $!%c&/(#' (/ )* con!'*#*' ( ( >nc%!on +o!n% $&*#* **c%#!c( +o$*# ! co!n"!n #o
on* o# o#* o#c* (n' ! "o!n" o% %o"& on* o# o#* c!#c!%. T&!>nc%!on +o!n% ! !n %&* o#
o ( &!"& c(+(c!%/ con'c%o# +#*(' #o on* *n' %o %&*o%&*# *n' o %&* /(#'. A %&* $!%c&/(#'
&(n'* (#"* (on% o +o$*#, !% ! n*c*(#/%&(% !% #*(!n *c#* (n' *#0!c*()* %o ++/ %&*
o%"o!n" %#(n!!on **'*#*0*n n'*# con'!%!on o (>o# *!+*n% o# ) (!#*.
T&*#* (#* '!*#*n%c&** (0(!()* o# ) )(# (n' (oc!(%*' *!+*n% conn*c%!on %o (c!!%(%*
$!%c&!n" o+*#(%!on. T&* !+o#%(n% +o!n% $&!c& '!c%(%* %&* c&o!c* o ) $!%c&!n"
c&** (#*
a& O$erational 'le0ibilit., b& Ease o' maintenan%e,
%& #.stem se%rit., d& Ease o' se%tionali1ing,
e& #im$li%it. o' $rote%tion s%heme, '& Installation %ost and land re2irement&
g& Ease o' e0tension in 'tre&
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:!#c!%
D!("#(:220kV
switchyard of
M.T.P.S
28
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T&* )(!c co+on*n% o ( $!%c&/(#' (#* ( oo$4
1!Circ"it (reaer4A c!#c!% )#*(*# ! (n *!+*n% %&(% )#*( ( c!#c!% *!%&*# (n(/ o#(%o(%!c(/ n'*# ( con'!%!on (% no o(', o(' o# &o#% c!#c!%. O! c!#c!% )#*(*#, 0(c
c!#c!% )#*(*# (n' SF? c!#c!% )#*(*# (#* ( *$ %/+* o c!#c!% )#*(*#.
2.I#olator.Io(%o# (#* $!%c&* $&!c& !o(%* %&* c!#c!% (% %!* (n' %& *#0* %&* +#+o* o
+#o%*c%!on '#!n" o o(' o+*#(%!on.
3.C"rrent Tran#1or0er . T&** %#(no#*# *' *#0* %&*+#+o* o +#o%*c%!on (n' *%*#!n". G*n*#(/%&* (* %#(no#*#
c(n )* *' ( ( c##*n% o# +o%*n%!( %#(no#*# '*+*n'!n" on %&*
%/+* o conn*c%!on $!%& %&* (!n c!#c!% %&(% ! *#!* o# +(#(*
#*+*c%!0*/.
In **c%#!c( /%* !% ! n*c*(#/ %o
a3 Read %rrent and $o(er 'a%tor
b3 /eter $o(er %onsm$tion&
%3 Dete%t abnormalities and 'eed im$lse to $rote%ti"ede"i%es&
*!Potential tran#1or0er# .In (n/ **c%#!c( +o$*# /%* !% !
n*c*(#/ %o - 4ig& C&T&
a3 /onitor "oltage and $o(er 'a%tor,
b3 /eter $o(er %onsm$tion,
%3 4eed $o(er to %ontrol and indi%ation %ir%it and
d3 Dete%t abnormalities 5!.*. n'*#o0*# 0o%("*, '!#*c%!on o
+o$*# o$ *%c6 (n' **' !+* %o +#o%*c%!0* '*0!c*((#
c!#c!%. S%(n'(#' #*(/ (n' *%*#!n" *!+*n% 'o* no% +*#!%
%&* %o )* conn*c%*' '!#*c%/ %o %&* &!"& 0o%("* /%*.Po%*n%!(
%#(no#*# %&*#*o#* +(/ ( */ #o* )/ +*#o#!n" %&*
oo$!n" nc%!on.
a3 Ele%tri%all. isolating the instrments and rela.s 'rom H- side&
b3 B. trans'erring "oltage 'rom higher "ales to $ro$ortional standardi1ed lo(er "ales&
>!POWER TRANS/ORMER.T&* * o +o$*# %#(no#*# !n
( $!%c&/(#' ! %o c&(n"* %&*
0o%("* *0*. A% %&* *n'!n" (n'
(/ %*+ + %#(no#*#
(#* *' %o *0(c(%* +o$*# (%
%#(n!!on 0o%("* *0*. On%&* o%&*# &(n' (% %&* #*c*!0!n"
*n' %*+ 'o$n %#(no#*# (#*
!n%(*' %o (%c& %&* 0o%("*
%o ) %#(n!!on o#
'!%#!)%!on *0*. In (n/
$!%c&/(#' (%o%#(no#*#
(#* *' $!'*/ o#
!n%*#conn*c%!n" %$o $!%c&/(#'
$!%& '!*#*n% 0o%("* *0*
5c& ( 132 (n' 22< K6
33/11 KV Power Transformer in a switchyard
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5 67/ain tan *7Radiator 87Reser"oir tan 97Bshing :7;TI ! OTI Inde0
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The abo"e 'igre sho(s the $o(er 'lo( diagram o' 88- s(it%h.ard&
T&* **c%#!c +o$*# (%*# 0o%("* %#(no#(%!on %o 33 )/ 8
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SOME P,MP 2 MOTOR IS ,SED IN MTPS
PUMP 4-
S*#0!c* $(%*# ++ -3?
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L7 S-itchgear#4
L $!%c&"*(# **' +o$*# ++/ %o o%o# ()o0* 11< KW (n' +%o1?nc%!on $!%& (n
(%o(%!c 0o%("* #*"(%o#. W&*n %&*#* ! ( (!#*
!n %&* A.:. ++/ %&* )(%%*#!* $!
co* !n%o o+*#(%!on (n' !n %&! +#oc* %&*
)(%%*#!* #n 'o$n $!%&!n *$ &o#. A%*#
no#(!(%!on o A.:. +o$*# %&* )(%%*#!* (#*
c&(#"*' !c/ )/ !n" %&* )oo% c&(#"*# (% 2.7=
+*# c*. D#!n" %&! %!* %&* o(% c&(#"*#!
!o(%*' (n' o(' ! conn*c%*' %o"& %&* %(+ o
+o!n%. A%*# no#(!(%!on o )(%%*#/ 0o%("* %&**(#* ("(!n +% )(c !n%o %&* o(% c&(#"!n" o'*.
T&* o%+% #o %&* )(%%*#/ ( $* ( %&* c&(#"*# ! conn*c%*' %o %&* D.:.
'!%#!)%!on )o(#'. F#o D.:. '!%#!)%!on )o(#' +o$*# ++/ ! '!%#!)%*' %o '!*#*n%
c!#c!%. D.:. /%* )*!n" (% %&* co#* o %&* +#o%*c%!on (n' con%#o *c&(n! 0*#/ o%*n
%$o 1
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CONCL,SION
The practical e*perience that ( have gathered during the overview training oflarge thermal power plant having a large capacity of .128 MW for LnitR ( to((( in three wee)s will be very useful as a stepping stone in building bright
professional career in future life$ (t gave me large spectrum to utili7e thetheoretical )nowledge and to put it into practice$ The trouble shootingactivities in operation and decision ma)ing in case of crisis made me moreconfident to wor) in the industrial atmosphere$Moreover, this overview training has also given a self reali7ation & handsKone*perience in developing the personality, interpersonal relationship with theprofessional e*ecutives, staffs and to develop the leadership ability in industrydealing with wor)ers of all categories$( would li)e to than) everybody who has been a part of this proect, without
whom this proect would never be completed with such ease$
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BI BLIOGRAP9
Po$*# P(n% En"!n**#!n" )/ P.K.N("
En"!n**#!n" T&*#o'/n(!c )/ P.K.N("
M*>!( T&*#( Po$*# S%(%!on T*c&n!c( D(%( C O+*#(%!on G!'*
TERMAL POWER ENGINEERING )/ R.K.RAJPUT.
TEOR9 C PERFORMAN:E o ELE:TRI:AL MA:INE )/ J.B.GUPTA
A: C D: MA:INE )/ B.L.TERAJA C A.K.TERAJA.
A :OURSE IN ELE:RI:AL POWER )/ J.B.GUPTA.
$$$."oo"*.co.!n