Excitation Syst

8/20/2019 Excitation Syst.

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STATION: NTPCSIMHADRI

BHEL REF NO : PS-DC-186-500- NTPC REF NO: SIM/1/TS/ /

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PLANT AREA : GENERATOR SYSTEM

TESTING SCHEDULE : EXCITATION SYSTEM

LIST OF CONTENTS

1. PLANT DETAILS

2. TESTING OBJECTIVES

3. TESTING PROPOSALS

4. SERVICES REQUIRED

5. SAFETY PRECAUTIONS

6. EMERGENCY PROCEDURES

7. STATE OF THE PLANT

. COMMISSIONING PROCEDURE

!. COMPLETION CRITERIA

1".APPENDICES


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1. PLANT DETAILS :

E#$%&'&%() *+*&,- $()*%*&* (

R,$&%%,/ 0,,*T/,,'*, -'%) ,#$%&,/T/,,'*, %(& ,#$%&,/C((,/M,&,/%) ') *,/8%*(/+ ,9%-,)& :AVR

1. GENERAL ;

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


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BLOCK DIAGRAM OF EXCITATION SYSTEM

DIGITAL

AUTOMATICOLTAGE

REGULATOR

DIODE

RECTIFIER SET

MAIN EXCITER

PERMANENT

MAGNET

GENERATOR

T G

ROTOR OF

TG

RSTATORS

OF TG


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R'), %) &, /,$&%%,/ 0,,* %) ' &/,,'*,


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T, %)*'&, ') */)?,) /,$&%%,/ 0,,* *,/8, '* DC 0%$ '/, $(-/,**,


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%)*,/&, %) &, *(&* ( &, '-%)'&, /(&(/. T, 0%)%) $()$&(/*

'/, &/')*(*, 0%&%) &, $(/, ,)&> ') &, ,) &/)* ( &, /(&(/

0%)%) '/, *,$/, 0%& *&,, &, $(-,&, /(&(/ %* */)? ()&( &, *'&. A (/)'


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T, /,$&%%,/ 0,,*> (*, %) &,%/ (0) ,)$(*/,> /'0 &,

$(( '%/ %) '&


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T, )$&%() ( DAVR '/,

• T( /,'&, &, ,),/'&(/ 8(&',

• T( /,'&, &, ,,$& ( &, /,'$&%8, ')(/ '$&%8, $//,)& () &,

8(&',@/((*

• T( %-%& 8(&H

• T( %-%& -'#. %, $//,)&

• T( %-%& %)$&%8, *&'&(/ $//,)&

• T( %-%& $''$%&%8, *&'&(/ $//,)&

• T( %-%& &, (' '),

• T( *&'


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2. TESTING OBJECTIVE :

2.1 T, ,#$%&'&%() *+*&,- 0%


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3. TEST PROPOSALS ;

3.1 T, ((0%) $(-(),)&* (


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4. SERVICES REQUIRED ;

4.1 22" V D.C *+ (/ $()&/( ') /(&,$&%().

4.2 415V> 3φ> A.C *+ ( 4VA /'&%) (/ &,*&%) /(*,.

4.3 T, ((0%) &,*&%) ''/'&* 0% ,'$ ( 2 &( 3 -,&,/ () 0%& 2-- %)* ()

,%&,/ *%, 4 '%/*.

%. S,$()'/+ %),$&%() *,&.

. D'


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5. SAFETY PRECAUTIONS :

PERSONNEL ;

5.1.1 A -,-.

A.C. *+.

5.1.6 %, $()$&%) %& (' &,*& () &+/%*&(/ 0%$ $')


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5.2.3 C' &%* -'+

'-', /%)&, $%/$%&*. U*, 6V> 3"V> *(,/%) %/() (/

&%* /(*,.

5.2.6 V'/%(* ,,$&/()%$ -(,* ),, $,/&'%) -,/* &(


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.1 S($? &/,'&-,)& $'/& ') %/*& '%


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".! STATE OF T#E PLANT:

7.1 A ,#$%&'&%() *+*&,- $()&/( ,9%-,)&* '/, ,/,$&, ')

&,+ '/, '* ,/ *&')'/ $,$?%*&.

7.2 A %)&,/'), 0%/%) $(-,&,

7.3 A ,#&,/)' 0%/%) $(-,&,

7.4 A.C (0,/ $'


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.COMMISSIONING PROCEDURE:

.1 T,*& ' &, /,'+* -,&,/* ') &%-,/* 0%& &, , ( *&')'/

$,$?%*&* ') /,$(/ &, /,*&* %) -&%, /,$(/ *,,&.

.2 $'//+ (& &, 0%/%) $,$?* (/ ,'$ $


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&, 0%/%)


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-*%-'&, &, ,),/'&(/ 8(&', &( 1""K

- $(*, &, %,


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- A*& &, /,,/,)$, 8', (/ &, ,),/'&(/ 8(&', &( *$ '8', &'& $()&/( *%)' U$ *(0* ' &, '),


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&, '$&' (0,/'$&(/COS %

- T( $,$? &, )$&%() ( &, (' '), %-%&,/ &, AVR -*&


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T( &,*& &, ((0 $()&/( (/ &, -')' $')), %/*&*0%&$ (8,/ &( '&(-'&%$ $')), &,) &, -')' $')), -*&


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-$,$? &, *%# *,* R &( T 0%, *%&%) &, %/%) '), @ $'), &, %/%) '), *(0+

- C,$? &, (&& 8(&', ') $//,)& >/,$(/ &,-

$..13.D(,7 +/+/

D/%) V(&', B%> $,$? &'& &, N V(&-,&,/ %* '/('$%),/(. ,) &, N V(&-,&,/ %* '& ,/( (*%&%()> C'), &,M(, /(- M')' &( A&(> ') (


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9. COMPLETION CRITERIA :

!.1 O ' /,,8')& '&'

') $()$*%()* &(


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1". APPENDICES :

DRAINGS; SCHEMATIC DRAING OF DIGITAL AUTOMATIC VOLTAGE

REGULATOR

LOG SHEETS ; I IR VALUES OF PMG>MAIN ECITER

II R VALUES OF PMG>MAIN ECITER

IIISETTINGS OF PROTECTION RELAYS

RECOMMENDED EPT


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I INSULATION RESISTANCE OF PMG>MAIN ECITER;

M,'*/, ') /,$(/ %)*'&%() /,*%*&')$, ( *&'&(/ 0%)%)*.

M,,/ *, ; 5"" V

S,/%' NO. ; R'), ;

A-


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P M GR PHASEY PHASE

B PHASE

MAINECITE

R

>?@ - >-@

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Excitation Syst