220v dc system (1)

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STATION : NTPC SIMHADRI BHEL REF NO: PS-DC-186-500-112

NTPC REF NO: SIM/ 1/ TS/ 1 /112

SHEET 1 OF 15

PLANT AREA: ELECTRICAL SYSTEM

TESTING SCHEDULE : 220 V DC SYSTEM FOR MAIN PLANT

LIST OF CONTENTS

1. PLANT DETAILS

2. TESTING OBJECTIVES

3. TESTING PROPOSALS

4. SERVICES REQUIRED

5. SAFETY PRECAUTIONS6. EMERGENCY PROCEDURES

7. STATE OF THE PLANT

. COMMISSIONING PROCEDURE

!. COMPLETION OF CRITERIA

1". APPENDICES

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NTPC REF NO: SIM/ 1/ TS/ 1 / 112

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1.0 PLANT DETAILS

T#$% %&%'() *+,%$%'% +-

$. B/''(0& B/, $$. B/''(0& C#/0(0 M/$, /, S'/,&

$$$. DC D$%'0$'$+, +/0.

T#( /''(0& $% $,%'/( $, '#( /''(0& 0++) $, '#( HT %8$'*#(/0 0++). T#$%

90+:$(% / 22" V DC %99& '+ '#( 0(/& /, *+,'0+ *$0*$'% $, '#( G(,(0/'+0.

G(,(0/'+0 '0/,%-+0)(0 /, U,$' '0/,%-+0)(0 90+'(*'$+, /, *+,'0+ 9/,(%; 11

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NTPC REF NO: SIM/ 1/ TS/ 1/112

SHEET OF 15



O9(, *$0*$' :+'/( +- *( 8#(, *+)9('(&

D$%*#/0( /' 27 C /' 5 #0% $%*#/0( 0/( 1." V

D$)(,%$+, ?))@ 522 L = 1!2 = 4"5 H

A)+,' +- %9(*$-$* 0/:$'& +0 ((*'0+&'(

P(0 *( 0($0( -+0 -$0%' -$$, /' 27 C 1 L$' > *(; 1.1! "."1

S9(*$-$* 0/:$'& +- *( 8#(, -& *#/0( 1.1! "."1

M/=. ((*'0+&'( '()9. '#/' *( */, 8$'#%'/,C+,'$,+%& 5" C

N(' 0& *( 8($#' 45

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SHEET ! OF 15



2.0 TESTING OB"ECTIVES:

2.1 T+ (,%0( '#/' / '#( 0((:/,' *#(*$%'% #/:( ((, *+)9('( -+0 '#( /''(0&;

/''(0& *#/0(0 /, $%'0$'$+, +/0%.

2.2 T+ *+)9('( '#( *+,,(*'$+,% ('8((, '#( /''(0& > /''(0& *#/0(0 /, '#(

$%'0$'$+, +/0%.2.3 T+ )/( '#( $%'0$'$+, +/0 $:( /' 22" V DC $, / %/-( /, +0(0& )/,,(0.

2.4 T+ */00& '(%'% /, *#(*% '+ (,%0( '#/' / '#( *+)9+,(,'% +, '#( +0/% /0(

+9(0/'$, %/'$%-/*'+0$& $,*$, */(% '+ / '#( 0()+'( 9+$,'% $, '#( 4""

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SHEET 5 OF 15



.0 TESTING PROPOSALS:

3.1 AC $%'0$'$+, +/0 -+0 3 9#/%( AC $,9' %99& '+ *#/0(0% 8$ ( )/(

$:(.

3.2 E/*# )+( 8$ ( *#(*( $,$:$/&.

3.3 E/*# +'+$, %99& 8$ ( '(%'( 9 '+ '#( -%(% /' '#( 0()+'( (,.3.4 B/''(0& E>F 8$ ( %$)/'( -+0 +'# '#( 9+(% /, E>F 0(/& %(,%$'$:$'& 8$ (

*#(*(.

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SHEET 6 OF 15



!.0 SERVICES RE#UIRED:

4.1 415 V; 3 P#/%(%; 5" H %99&.

4.2 A(/'( 0,,$, 8/'(0.

4.3 S$'/( :+')('(0; /))('(0; '#(0)+)('(0 /, #&0+)('(0.4.4 V/0$/( 0(%$%'/,*( +0 8/'(0 +/ -+0 $%*#/0$, '#( /''(0&.

4.5 E(*'0+&'( -+0 *(% /% 9(0 IS266

4.6 P0( /''(0& 0/( $%'$( 8/'(0.

4.7 F,,(; %; *(/,$, 0%#; 8$0( 0%# ('*.

4. V/0$/( 0(%$%'/,*( += +- 15 '+ 15" < O#)%

4.! 1 N+. 5"" VDC )((0.

4.1" 1 N+. +%*$+%*+9(; 90(-(0/& / (/) +0 / '0/*(.

4.11 1 N+. AVO )('(0 +0 )'$)('(0 " 1""" V DC

4.12 1 N+. 9#/%( 0+'/'$+, $,$*/'+0.

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SHEET % OF 15



$.0 STATE OF THE PLANT:

7.1 C#(* $%' -+0 '#( -++8$, 9/,' $'() *+)9('(.

$. B/''(0& *#/0(0 $$. DC $%'0$'$+, +/0.

7.2 A +'+$, */$, 8+0 *+)9('( 9 '+ 0()+'( (, 9/,(%.

7.3 A +'+$, -(((0% -0+) DC $%'0$'$+, +/0 %8$'*#( +--.

7.4 S/-('& *(/0/,*( *(0'$-$*/'(% %$,( /, 0('0,( & / 9/0'$(%.

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SHEET 10 OF 15



8.0 COMMISSIONING PROCEDURE:

1. TESTING OF BATTERY CHARGERS:

.1 T#( $,%/'$+, :/( %#/ ( *#(*( 8$'# 5"" V DC M((0. D0$, '#$% '(%'; /+8 :+'/( *$0*$'% R(/&% ('*; %#/ ( (9' %#+0'(.

.2 T#( 9/,( %#/ ( %8$'*#( +, /' ,+ +/. F+0 '#$%; -$0%' )/( $,9' %8$'*# Q1 ON

*#(* '#( :+'/(% /' / 9#/%(% $,$*/'( & /)9% VD1; VD2 VD

:+')('(0 & %((*'+0 %8$'*# VS1. N+8 '#( :+'/( $% *+,,(*'( '+ '#( 90$)/0& +-

'#( M/$, '0/,%-+0)(0 8#$*# %'(9% '#( :+'/( +8, /% 0($0( -+0 '#( %9(*$-$* DC

+'9' V+'/( $%+/'(% AC I,9' $,( -0+) B/''(0& *$0*$'%. T#( '0/,%-+0)(0%

%(*+,/0& $% *+,,(*'( '+ '#( F 8/:( 0(*'$-$(0 /%%()&.

T#( 0$( $% %'/,/0 '#0(( 9#/%( - 8/:( #/- *+,'0+( %$$*+, 0$(. T#(

:+'/( *+,'0+ $% /**+)9$%#( & '#( /99$*/'$+, +- / 9+%$'$:( 9%( '+ '#( /'(

'(0)$,/% +- '#( SCR /' '#( (%$0( '$)(. B(-+0( '#( 9%( $% /99$( ; '#( SCR $%

+9(, /, ,+ *00(,' -+8% $, '#( *$0*$'. A% %++, /% SCR $% -$0(; $' +9(0/'(% /% /

%'/,/0 %$$*+, 0(*'$-$(0 ,'$ '#( -+08/0 *00(,' $% 0(*( '+ /)+%' (0+.

.3 C#(* '#( ,+ +/ +'9' :+'/( /' '#( +'9' '(0)$,/%.

.4 E,%0( '#( +'9' :+'/( $% %'(/& 8$'#+' /,& '0+( -+0 15 )$,'(%.

.5 C#(* -+0 /,,,*$/'$+, $,'(0+*% ('*.

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SHEET 11 OF 15



.6 I- +/ $% /:/$/(; '#( ($9)(,' %#/ ( +/( 90+0((%$:(& 9'+ 0/'( :/(

C#(* -+0 :+'/( 0(/'$+,; -0(( -0+) +%*$/'$+,; 0$99( ('*.

.7 C#(* -+0 0+99$, *#/0/*'(0$%'$*% /' #$#(0 +/%.

. R, '#( ($9)(,' -+0 2 #+0% /, +%(0:( +- %'/$$'& /, *#(* -+0 +*/ #(/'$,.

#(, ,$' $% +/( '#( 0$99( :+'/( (:( ?9(/ '+ 9(/@ )/& ( +%(0:( +, /CRO. T#$% 8$ ( 8$'#$, $)$'%. I,*/%(; $' $% )+0( '#/, %9(*$-$( ; '#(, $' )(/,%

-$0$, $% $%'0(.

II FIRST CHARGING OF BATTERY:

.! DC V+'/( ,((( -+0 /''(0& *#/0$, 8$ ( 2 '$)(% '#( ,+ +- *(% $, /''(0&

/,. T#( $,$'$/ *#/0$, 8$ '/( /990+=$)/'(& 16 '+ 24 #+0% %$,*( '#( /''(0$(%

/0( /0(/& *#/0( /, %(,' /% )/$,'(,/,*( -0(( +,(%.

.1" I' $% +- ')+%' $)9+0'/,*( '#/' '#( '(0)$,/ +- '#( /''(0& $% *+,,(*'( '+ :( +/

+- *#/0$, %+0*(. S+ 9+/0$'& %#+ ( /%*(0'/$,(.

.11 C#(* '#+0+#& '+ (,%0( *(% /0( *+,,(*'( $, %(0$(% /, / -/%'(,$,% /,

*+,,(*'$+,% /0( '$#'. T#( '(%' 9+/0$'& +- '#( *#/0$, (/% /, *+00(*' '#( :(

'(0)$,/ '+ '#/' +- *#/0(0.

.12 C+))(,*( *#/0$, ,+' /'(0 '#/, 24 #+0% /-'(0 *+,,(*'$, / /''(0& *(%.

.13 G$:( '#( -$0%' 9+0'$+, +- *#/0( /' / 0/'( +- 1"" A)9% -+0 1" H+0%

.14 D$%*#/0( $' %$, /'(0 0(%$%'/,*( +0 #/+(, /)9% /' / 0/'( +- -+0 #+0%.

.15 G$:( '#( %(*+, *#/0$, /' '#( 0/'( +- /990+=$)/'(& 2" A)9% '$ '#( %$,% +-

*+)9('$+, +- *#/0( +%(0:(.

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STATION : NTPC SIMHADRI BHEL REF NO: PS-DC-186-500- 112

NTPC REF NO: SIM/ 1/ TS/ 1/ 112

SHEET 12 OF 15



.16 S((*' /,& +,( *( ?(=*(9' '#( (, *( +0 0(/'$, *(@ /% 9$+' *( +' +- (:(0&

0/* /% $:(, $, '#( /&+' +- '#( /''(0& /,.

.17 V+'/( /, %9(*$-$* 0/:$'& 0(/$, -0+) 9$+' *(% 8$ $,$*/'( '#( %'/'( +-

*#/0$, +- '#( 8#+( /''(0& %&%'().

.1 A *( '(0)$,/% *+,,(*'$+,% /0( '+ ( /99$( 8$'# 9(0'0+() (&. N+/%')(,' %#+ ( )/( 8#$*# 8$ $%'0 *#/0$,.

.1! #(, / '#( *(% #/:( ((, 0(/%$,& -0((& /, 8#(, :+'/( /, %9(*$-$* 0/:$'&

+- 9$+' *( #/% ((, *+,%'/,' +:(0 3 %**(%%$:( #+0 0(/$,%; '#( *(% */, (

(()( '+ ( -& *#/0( /, '#( *#/0$, )/& ( '(0)$,/'(. T#(, 8$9( +8,

+'%$( +- / *(% /, *(/, '#( -++0.

.2" P' '#( /''(0& %&%'() +, '0$*( *#/0$, 8#(, *#/0$, *+)9('(%.

CAUTION DONKT TOUCH BATTERY TERMINALS HEN CLEANING OUTSIDE AND

BATTERY AREA. USE PROPER GLOVES AND OTHER SAFETY MATERIALS.

.21 T#( '0$*( *#/0( %#+ ( /%'( '+ $:( +9'$)) /''(0& :+'/( +- 1.53 1.67

:+'% 9(0 *(.

III ENERGISING OF DISTRIBUTION BOARD:

.22 T/( -$,/ I.R. :/( +- '#( +/0

.23 E,%0( '#/' / +'+$, *$0*$'% /0( +*( $, OFF 9+%$'$+,.

.24 E,%0( '#/' / %/-('& 90+*(0(% #/:( ((, +%(0:(.

.25 C#(* '#/' 9+/0$'$(% +- D.C %8$'*# +/0 /''(0& *#/0(0 /, /''(0& /0( )/'*#$,.

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SHEET 1 OF 15



.26 C+%( '#( $,*+)(0 %8$'*# +- +/0 '+ *#/0( $'.

.27 M(/%0( D.C V+'/( /' '#( I,9'.

.2 O%(0:( D.C +/0 -+0 /,& /,+0)/$'&.

.2! I- +/0 *+,$'$+, $% %/'$%-/*'+0&; *#(* '#/' / 0()+'( (, -%(% +- +'+$,*$0*$'% /0( 0()+:(.

.3" S8$'*# ON +'+$, -(((0% +,( & +,(. R(*+0 '#( -++8$, -+0 (/*# *$0*$'.

$.@ P+/0$'& /' +'# (,% +- *$0*$'

$$.@ V+'/( /' +'# (,% +- *$0*$'.

IV EARTHFAULT RELAY ON LOAD TEST:

.31 T+ */00& +' +, +/ '(%' -+0 '#( B/''(0& E>F 0(/&; *+,,(*' :/0$/( 0(%$%'/,*( +=

+- '#( 0/,( +- 15 '+ 15" < O#)% ('8((, :( 9+( +- '#( +/0 /, (/0'#

.32 F 0(/& /' 3 )% %(''$,.

.33 C' +' 0(%$%'/,*( %+8& '+ %$)/'( /, E>F /, +%(0:( '#( *00(,' $, )$$

/))('(0 8#(, '#( 0(/& +9(0/'(%.

.34 R(*+0 0(%$%'/,*( /, *00(,' $, )A

.35 C/00& +' '#$% '(%' +, (/*# /:/$/( %(''$, +, 0(/&.

.36 #$( +$, '(%' +%(0:( /, 0(*+0 '#( $0(*'$+, +- (-(*'$+, $, '#( /))('(0.

C#(* 8#('#(0 $' *+,-$0)% '#( 9+( +, 8#$*# '#( -/' $% %$)/'(.

.37 R(9(/' .32 '+ .37 +, :( 9+( +- '#( +/0

.3 T#( '(%' $% %/'$%-/*'+0& $- '#( +9(0/'$+, +- '#( 0(/& *+,-$0)% 8$'# '#( %(''$,

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SHEET 1! OF 15



%.COMPLETION CRITERIA:

22" V DC S&%'() -+0 )/$, 9/,' $% 0(/& /, A )(/%0()(,'% /, 0()+'(

$,$*/'$+, 9+$,'% /0( 0(*+0( /, (9' /+, 8$'# '#$% S*#((.

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SHEET 15 OF 15



10.APPENDICES

DRAINGS LAY OUT OF BATTERY ARRANGEMENT

SCHEMATIC DIAGRAM OF BATTERY CHARGERS

SCHEMATIC DIAGRAM OF DC DISTRIBUTION BOARD.

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220 V DC SYSTEM FOR MAIN PLANT

220v dc system (1)

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