Sf6 -Bkr Check List

8/20/2019 Sf6 -Bkr Check List

1/81

LANCO AMARKANTAK POWER PVT. LTD.

PATHADI,KORBA,(CG)

2 x 300MW UNITS

Che! L"#$ %&' S BREAKERSerial Number:-

R-Phase

Y-Phase

B-Phase

Location: 400kv Switch Yard Bay Name:-

!ency: "rom#ton $reaves Ltd% Packa!e&400'( Switch Yard

Teh*"+ #-e"%"+$"&* &% $he 'e+!e' (T/-e 100SM10A)

Rated (olta!e: 4)0'( Normal rated current :)000m#s

*a+% Breakin! "a#acity: 40k rms "losin! and tri# "oils (olta!e: ))0 ( dc%

Rated ,nsulatin! Level: 4). '(

Rated *akin! "a#acity:00' Rated Short time current ratin!: 40k /or sec

INDE

Sl.No Description

1 List o/ 1rawin! and documents

2 List o/ testin! 23ui#ments and 5P re3uired

3 Physical checks and $eneral ,ns#ections

4 List o/ 6acory est 5 its Remarks

5 List o/ Site est 5 its Remarks

6 List o/ de/ects and omissions

Signatures with Date

LAPPL(O&M

L!"L L&"

Page No.#1

7ni3ue Re/erence:*ake-:"rom#ton $reaves Ltd%

Rated #ressure o/ S68: 9'S" #eratin!ir Pressure: .%.'S"

Rated Power 6re3uency ;ithstand (olta!e:8


2/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS1-List of Drawing and Documents

Sl.No. 1escri#tion Drawing No

1.1 'ey sin!le line dia!ram 1$31

1.2 400'( Switchyard earthin! system layout 14$5221

1.3400'( Switchyard #rotection 5 meterin! SL1

1$3112

1.4 1$3151

1.5 S'433

1.6 "ontrol cable Schedule-400'( Switchyard 656#$#S#S#)S#21.* 5* manual A+aila,le

2-List of testing equipment and T&P

Sl.No. estin! e3ui#ments


3/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

3-Physical checks and general nspections

Sl.No. 1escri#tion es No /ears3.1

3.2 "heck all the /oundation bolt and ti!ht%

3.3

3.4

3.5

3.6

3.* "heck dew #oints o/ S68%

3.'


LAPPL(O&M

L!"L L&"

Page No.#3

"heck that erection work is com#lete as #er relevant drawin!s %

"heck /or #ro#er ali!nment o/ structures@su##ort insulators@corona rin!s etc%

1ensity monitor and #ressure !au!e are #laced #ro#erly below su##ort insulators

"heck that desiccant ba!s are removed/rom inside the interru#ter chamber be/ore installin!%

"heck that len!th o/ o#eratin! rod isadAusted as #er su##liers manual

2nsure that vacuum #ullin! and S68 !as/illin! at s#eci/ied #ressure as #er the #rocedure !iven in su##lier manual%

LAPPL($%M


4/81


PATHADI,KORBA,(CG)

2 x 300MW UNITSSl.No. 1escri#tion es No /ears

3. "heck the !as #r% 9'!/ at NP

3.1

3.11

3.12

3.13

3.14

3.15


LAPPL(O&M

L!"L L&"

Page No.#4

"heck the "olour o/ lumina : luminais Blackish i/ *oist and ;hite i/ Cealthy%

"heck /or any leaka!e o/ S68 !as /rom Aoints usin! leak detector or soa# solution

"heck !as #ressure daily /or /ewweeks>s#ecially at hi!hest and lowesttem#% o/ the day? to ensure that the #ressure is not reachin! e+tremelimits>/allin! below alarm value< over #ressuri=ed?%

"heck the earthin! o/ su##ort structure@ breaker /rame and ** bo+es is done #ro#erly%

"heck the cable have been terminated in** bo+es o/ breakers as #er the cableschedule and e3ui#ment wirin! dia!ram%

"heck #ro#er !landin! o/ cable andensure #lu!!in! o/ un used cable entrieso/ ** bo+es@sealin! and lockin! o/** bo+es a!ainst water entry %

LAPPL($%M


5/81


PATHADI,KORBA,(CG)


3.16

3.1*

3.1'

3.1

3.2 "heck the oil level in the com#ressor 3.21 "heck the air #r%.%. k!/ at NP

3.22

3.23

3.24

3.25

3.26

3.2*

3.2'

3.2

3.3 "heck the o#eration o/ s#ace heater 3.31 "heck the door sealin! o/ the local #anel

3.32


LAPPL(O&M

L!"L L&"

Page No.#5

"heck ratin! o/ /uses as #er scheme 5healthiness%

"heck availability o/ "s#rin! char!in!mechanism checks?%

"heck the ti!htness o/ all terminalsinside the ** bo+%

"heck the o#eratin! bar is in disen!a!ed #osition%

"heck the lock #ins o/ the o#eratin!mechanism are to be in removed

"heck the dimension o/ wi#in! maincontact>4-DEFmm?

"heck the dimension o/ stroke o/o#eratin! mechanism>4-D40G@40-mm?

"heck the dimension o/ over travelmechanism >llowable rann!e in mm)-D 8 F ?

"heck the air leaka!e% >he #ressureshould not dro# by 0H in )4 hours?%

"heck the control cable ti!htness 5termination%

"heck all the cable !lands in entry #oint5 i/ any !a# will /ound@ /ill the !a# by #utty%

)he the olour aint o7 eah ,r 7orhase iniation

LAPPL($%M


6/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

!-List of "acory Test & its #emarks

Sl.No. 1escri#tion es No /earsMECHANICAL OPERATION TESTS

4.1

4.2

4.3

4.4

4.5

4.6

4.*

4.' ADDITIONAL TESTS

4.

4.1

4.11 S86 gas Lea "est

4.13 HIGH VOLTAGE WITHSTAND TESTS

4.14 Li+e Parts to 9roun().:. )lose

4.15 :etween terinals().:. Oen

4.16

4.1' P;AS$# /()ontat /esistane

4.1 P;AS$# ()ontat /esistane

4.2 P;AS$# :()ontat /esistane

4.22 )losing "ie(s o7 :illir )iruit to 9roun

LAPPL($%M


7/81

Page No. #6


8/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

$-List of %ite Test & its #emarks

Sl.No. 1escri#tion es No /ears

5.1

5.2

5.3

5.4

5.5

5.6


LAPPL(O&M

L!"L L&"

Page No.#*

"heck the ,R value between incomin! 5out!oin! terminals% >,R .00*I by.'( me!!er?

"heck the ,R value between lowerterminal /lan!e 5 !round% >,R .00*I by .'( me!!er?

;ith breaker "LS21 5 2RCS;,"C as well as ,SLR P2Ncondition check ,R value in R-Phase@ Y-Phase 5 B-Phase

"heck the ,R value between controlcircuit 5 !round% >,R 00*I by .00(

me!!er?"heck the "losin! coil%>Resistance-)8I5 currentdrawn D)%?

"heck the tri##in! coil "-@ 5 "-)%>Resistance-J0I 5 current drawn D)%J?

LAPPL($%M


9/81


PATHADI,KORBA,(CG)


5.*

5.'

5.

5.1

5.11

5.12

5.13

5.14

5.15

5.16

5.1*

5.1'

Signatures with DateLAPPL(O&M

L!"L L&"

Page No.#'

"heck the tanK value o/ #orcelaininsulator

"heck the ca#acitance 5 tanK o/ each!radin!ca#acitor>ca#acitanceD000#/F4H each@tanKD0%009?

"heck #hase to #hasedistance>1istanceD9000 mm a##ro+%?

heck the air pressure switch as perscheme

"heck the "om#ressor- N at airPr%4%.F0% k!/

"heck the "om#ressor- 66 at air

Pr%.%)F0% k!/ "heck the low Pr% alarm N at airPr%%.F0% k!/

"heck the low Pr% alarm 66 at airPr%4%.F0% k!/

"heck the low Pr% cut out N at airPr%4%0F0% k!/

"heck the low Pr% cut out 66 at airPr%%0F0% k!/

"heck the uto recluse lock N at airPr%4%4F0% k!/

"heck the uto recluse lock 66 at airPr%%EF0% k!/

LAPPL($%M


10/81


PATHADI,KORBA,(CG)


5.1

5.2

5.21

5.22

5.23

5.24

5.25

5.26

5.2*

5.2'

5.2

5.3


LAPPL(O&M

L!"L L&"

Page No.#

"heck the Sa/ety valve o#en at air Pr%9%0to J%0 '!/

"heck the "om#ressor -) N at airPr%4%F0% k!/

"heck the "om#ressor -) 66 at airPr%.%)F0% k!/

"heck #ower o#eration o/ the breaker atno load

"heck the contact resistance o/ the breaker contacts>00micro-ohm ma+%?%

"heck the store ener!y system test-)o#eration with com#ressor o//%

"heck the closin! time o/ the breaker>Less than .0ms?

"heck the o#enin! time o/ the breaker>Less than )0ms?

"heck the #ole discre#ancy within the #ole>)%.ms?%

"heck the #ole discre#ancy between the #oles>%ms?%

"heck the o#eratin! se3uence o/ the breaker>0-0%sec-"-min-"%

"heck the air and !as and lockouto#eration%

LAPPL($%M


11/81


PATHADI,KORBA,(CG)

2 x 300MW UNITSSl.No. 1escri#tion es No /ears5.31 "heck the anti #um#in! o#eration%

5.32

5.33

5.34

5.35

5.36

5.3*

'-List of defects and omissions


6.1

6.2

6.3

6.4

6.5

6.6

6.*

6.'


LAPPL(O&M

L!"L L&"

"heck the manual tri##in!


12/81

Page No.#1


13/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

Serial Number:-

R-Phase

Y-Phase

B-Phase


!ency: LSL Packa!e&400'( Switch Yard

Teh*"+ #-e"%"+$"&* &% $he I#&+$&'

Rated (olta!e: 4)0'( Normal rated current :)000 m#s

INDE

Sl.No Description



3Physical checks and $eneral ,ns#ections4 List o/ 6acory est 5 its Remarks



Siganature with Date

LAPPL(O&M

L!"L L&"

Page No.#1


PATHADI,KORBA,(CG)


Che! L"#$ %&' PANTOGRAPH ISOLATOR WITH EARTHSWITCH

7ni3ue Re/erence:*ake-: 2LPR ,nternational Ltd%

LAPPL($%M


14/81

Sl.No. 1escri#tion Drawing No1.1 'ey sin!le line dia!ram 6or ,nstallation Locations 1$31

1.2 A+aila,le

1.3 1$3151

1.4"ontrol cable Schedule-400'( Switchyard

656#$#S#S#)S#2


PATHADI,KORBA,(CG)

2 x 300MW UNITS




15/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS



3.1

3.2 "heck the /oundation bolt and ti!htness%

3.3

3.4

3.5

3.6

3.*

3.'

3.

3.1

3.11

3.12

3.13


"heck that 2rection work is com#lete as #errelevant drawin!s and erection com#letioncerti/icate is available

"heck /or #ro#er ali!nment o/ structures@ su##ortinsulators@earth switch etc%

2nsure /or #ro#er movement o/ 2arth Blade into thecontact carrier

"heck that #ro#er !askets are !iven /or bo+es o/mechanism and centrali=in! cubicle

"heck that isolator base and earth switch is #lacedon structure as #er the drawin!

"heck /or makin! on su##ort insulators@ o#eratin!rods @ earth switch and check these matches withmakin! on base /rame%

check /or lubrication o/ all #ivot #oints o/ 2arthSwitches%

"heck that len!th o/ o#eratin! rod is adAusted as #ersu##liers manual

Be/ore comin! to o#eration whether the insulatorsare cleaned by a##lyin! "arbon etra "hloride >labmade? chemical%

check the bearin!s@Ce+acon bolts@s#rin! lockwashers@Nut @Minc washers are lubricated with$ra#hite oil or !el%

he necessary check is carried out to observe thevarious switchin! maneuvers visually% "heck all the

#arameters like remote


16/81

LAPPL(O&M

L!"L L&"

Page No.#3

LAPPL($%M


17/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS


3.16

3.1*

3.1'

3.1"heck the control cable ti!htness 5 termination%

3.2

3.21 "heck the o#eration o/ s#ace heater

3.22 "heck the door sealin! o/ the local #anel

3.23


LAPPL(O&M

L!"L L&"

Page No.#5

"heck ratin! o/ #eratin! *otors /uses as #erscheme 5 healthiness%

"heck availability o/ "


18/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS



4.1

4.2

4.3

4.4

4.5

4.6

4.*4.'

4.

4.1

LANCO AMARKANTAK POWER PVT. LTD.PATHADI,KORBA,(CG)

2 x 300MW UNITS



5.1

5.2

5.3 "heck the tanK value o/ each #orcelain insulator

5.4

5.5 )he wg resistane o7 ain & earth swith otor


LAPPL(O&M

L!"L L&"

Page No.#6

"heck the ,R value between incomin! 5 out!oin!terminals% >,R .00*I by .'( me!!er? ,N #encondition

"heck the ,R value between lower terminal /lan!e5 !round% >,R .00*I by .'( me!!er?

"heck the *ain 5 2arth switch motors ,R value by .00( me!!er

LAPPL($%M


19/81


PATHADI,KORBA,(CG)


5.6

5.*

5.'

5.

5.1

5.11 "heck the o#eration interlock as #er scheme%Siganature with Date

LAPPL(O&M

L!"L L&"

Page No.#*

Page No.#'


2 x 300MW UNITS



6.1

6.2

6.3

6.4

6.5

6.6

"heck the ca#acitance 5 tanK o/ each !radin!ca#acitor>ca#acitanceD000#/F4H each@tanKD0%009?

"heck the uto reclose lock N at air Pr%4%4F0%k!/

"heck #ower o#eration o/ the ,solator 5 2arthswitch at no load

"heck the contact resistance o/ the ,solatorcontacts%

"heck the Local@ Remote and uto recloseo#eration%

LAPPL($%M


20/81

6.*

6.'


LAPPL(O&M

L!"L L&"

Page No.#

LAPPL($%M


21/81


22/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

Che! L"#$ %&' HCB ISOLATOR WITH EARTH SWITCHSerial Number:-

R-Phase

Y-Phase

B-Phase


*ake:LSL Packa!e&400'( Switch YardTeh*"+ #-e"%"+$"&* &% $he HCB I#&+$&'


INDE

Sl.No Description

1List o/ 1rawin! and documents2 List o/ testin! 23ui#ments and 5P re3uired






LAPPL(O&M

L!"L L&"

Page No.#1


LAPPL(

$%M


23/81


PATHADI,KORBA,(CG)


Sl.No. 1escri#tion Drawing No1.1 'ey sin!le line dia!ram 6or ,nstallation Locations 1$31

1.2 A+aila,le

1.3"ontrol cable Schedule-400'( Switchyard

656#$#S#S#)S#2


PATHADI,KORBA,(CG)

2 x 300MW UNITS




24/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS



3.1


3.3

3.4

3.5

3.6

3.*

3.'

3.

3.1


LAPPL(O&M

L!"L L&"

"heck that erection work is com#lete as #er relevant drawin!s and erectioncom#letion certi/icate is available

"heck /or #ro#er ali!nment o/ structures@su##ort insulators@earth switch etc%

2nsure /or #ro#er movement o/ 2arthBlade into the contact carrier

"heck that #ro#er !askets are !iven /or bo+es o/ mechanism and centrali=in!cubicle

"heck that isolator base and earth switchis #laced on structure as #er the drawin!

"heck /or makin! on su##ort insulators@o#eratin! rods @ earth switch and match

with makin! on base /rame%

check /or lubrication o/ all #ivot #oints o/2arth Switches%

"heck that len!th o/ o#eratin! rod isadAusted as #er su##liers manual

Be/ore comin! to o#eration whether theinsulators are cleaned by a##lyin!"arbon etra "hloride >lab made?chemical%

LAPPL($%M


25/81

Page No.#3


PATHADI,KORBA,(CG)2 x 300MW UNITSSl.No. 1escri#tion es No /ears

3.11

3.12

3.13

3.14

3.15

3.16

3.1*


LAPPL(O&M

check the bearin!s@Ce+acon bolts@s#rin!lock washers@Nut @Minc washers arelubricated with $ra#hite oil or !el%

he necessary check is carried out toobserve the various switchin! maneuversvisually% "heck all the #arameters like

remote


26/81

L!"L L&"

Page No.#4


PATHADI,KORBA,(CG)


3.1'

3.1

3.2

3.21

3.22 "heck the o#eration o/ s#ace heater 3.23 "heck the door sealin! o/ the local #anel

3.24


LAPPL(O&M

L!"L L&"

Page No.#5


PATHADI,KORBA,(CG)

"heck the dimension o/ wi#in! maincontact

"heck the dimension o/ over travelmechanism >llowable rann!e in mm 8F ?


"heck all the cable !lands in entry #oint5 i/ any !a# will /ound@ /ill the !a# by #utty%


LAPPL($%M


27/81

2 x 300MW UNITS

4-List o/ 6acory est 5 its Remarks


4.1

4.2

4.3

4.4

4.5

4.6

4.*

4.'

4.

4.1


2 x 300MW UNITS

.-List o/ Site est 5 its Remarks


5.1

5.2

5.3

5.4

5.5


"heck the ,R value between incomin! 5out!oin! terminals% >,R .00*I by.'( me!!er?

"heck the ,R value between lowerterminal /lan!e 5 !round% >,R .00*I by .'( me!!er?

"heck the tanK value o/ each #orcelaininsulator

"heck the *ain 5 2arth switch motors,R valve and resistance values by .00(

me!!er

"heck the ca#acitance 5 tanK o/ each!radin!ca#acitor>ca#acitanceD000#/F4H each@tanKD0%009?


28/81

LAPPL(O&M

L!"L L&"

Page No.#*


PATHADI,KORBA,(CG)


5.6

5.*

5.'

5.

5.1

Siganature with DateLAPPL(O&M

L!"L L&"

Page No.#'

8-List o/ de/ects and omissions


6.1

6.2

6.3

LAPPL($%M

"heck the uto recluse lock N at air

Pr%4%4F0% k!/

"heck #ower o#eration o/ the ,solator 52arth switch at no load

"heck the contact resistance o/ the,solator contacts%

"heck the Local@ Remote and utoreclose o#eration%

"heck the o#eration interlock as #erscheme%

LAPPL($%M


29/81

6.4

6.5

6.6

6.*

6.'


LAPPL(O&M

L!"L L&"

Page No.#

LAPPL($%M


30/81


31/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

Che! L"#$ %&' C4''e*$ T'+*#%&'5e'

Serial Number:-

y#e

R-Phase

Y-Phase

B-Phase


!ency: LSL Packa!e&400'( Switch Yard

Teh*"+ #-e"%"+$"&* &% $he C4''e*$ T'+*#%&'5e'

Rated Primary "urrent: )000 ,%L% :

No% / "ores: ( :

Ratio: ('>(? *in%:

"lass: ,e+c% >ma+%? at ('ma?

,S6 /)" Ohs

INDE

Sl.No Description

1 List o/ 1rawin! and documents2 List o/ testin! 23ui#ments and 5P re3uired





Signature with Date

LAPPL($%M LAPPL(O&M

L!"L L&"

Page No.#1


7ni3ue Re/erence:*ake-: "rom#ton $reves Ltd%


32/81

PATHADI,KORBA,(CG)


Sl.No. 1escri#tion Drawing No1.1 'ey sin!le line dia!ram 1$31

1.2400'( Switchyard earthin! system layout 14$5221


1$3112

1.4 1$3151





33/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS



3.1


3.3 "heck /or " Base 2arthin! is /irmly done3.4 "heck /or cleanliness o/ Porcain insulator3.5 he Bellow should be clearly (isible

3.6

3.*

3.'

3.

3.1

Signature with Date

LAPPL($%M LAPPL(O&M

L!"L L&"

Page No.#3

"heck that 2rection work is com#lete as #er relevant drawin!s and erectioncom#letion certi/icate is available

O"O lead should be connected to 2arth

inside terminal bo+

"heck i!htness o/ " secondaryconnections

Secondary ;indin! connections which isnot in use should be short ckted%

he ( burden value o/ the connectedinstrumentation does not e+ceed the valuess#eci/ied on the s#eci/ication #late o/ the"

Polarities o/ Primary and Secondaryconnections are as #er the schematics on

Ratin! Plates


34/81


PATHADI,KORBA,(CG)


3.11

3.12

3.13 Secondary bo+ is ti!htly closed

Signature with Date

LAPPL($%M LAPPL(O&M

L!"L L&"

Page No.#4

1esired ratio is correctly selected as #er theschematics on the Ratin! #late

Bellow Position o/ the " is at middle o/the *inimum and ma+imum #ositionsmarked on the Cood


35/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS


3.1'

3.1

3.2

3.21

3.22

3.23

3.24

3.25

3.26

3.2*

3.2'"heck the o#eration o/ s#ace heater 3.2 "heck the door sealin! o/ the local #anel

3.3

Signature with Date

LAPPL($%M LAPPL(O&M

L!"L L&"

Page No.#5


"heck availability o/ "llowable rann!e in mm 8


"heck all the cable !lands in entry #oint 5i/ any !a# will /ound@ /ill the !a# by #utty%



36/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS



4.1

4.2

4.3

4.4

C&5-"$e E''&'(6) TEST

4.5

4.6 /esistane @ *5 eg.)(ohs

4.* =oltage Alie(+olts# 62 =olts

$>itation )urrent(A

4.5 )oosite $rror(

4.6 KNEE POINT VOLTAGE TEST(V)

4.*

4.'

4. itation )urrent(A

INSTRUMENT SECURIT7 ACTOR

=oltage De+eloe at 5 A

TESTS CONIRMING TO IEC 00118(899)

=eri7iation o7 terinal aring anPolarit test

O+er =oltage !nterturn test 7or OneMinute

P&:e' 'e;4e*/ H"


37/81

!S8

SPECIAL TESTING

A--"e= V&$+UENC7 HIGHVOLTAGE WITHSTAND TEST ORONE MINUTE

Priar "o Seonar8rae "o $arth=oltage Alie(


38/81

LAPPL($%M LAPPL(O&M

L!"L L&"

Page No.#6


39/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS


Sl.No. 1escri#tion es No /ears5.315.325.335.345.355.365.3*5.3'

Page No.#


40/81


41/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

CHECK LIST OR CAPACITOR VOLTAGE TRANSORMER

Serial Number:-

R-Phase

Y-Phase

B-Phase


!ency: Siemens Ltd% Packa!e&400'( Switch Yard

Teh*"+ #-e"%"+$"&* &% $he I#&+$&'

Rated < Ci!hest System (olta!e : ( burden :

No% o/ "ores : ccuracy "lass :

rans/ormation Ratio :

23uivalent "a#acitance "ou#lin! :

INDE

Sl.No Description








LAPPL(O&M

L!"L L&"

Page No.#1


PATHADI,KORBA,(CG)



LAPPL($%M


42/81




1$3112

1.4 1$3151



Sl.No. estin! e3ui#ments4. ( 1immerstat? 12.3 .'( me!!er >*otorised? 12.4 *illiohm meter 12.5 1ischar!e Rod 1

2.6 S#anner Set 12.* Screw driver set 1


LAPPL(O&M

L!"L L&"

Page.No#2

Block Lo!ic 1ia% 6or interlockin! 6 ) ?

LAPPL($%M


43/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS



3.1


3.3 "heck /or #ro#er ali!nment o/ structures%

3.4

3.5 "heck /or corrctness o/ ratio as name #late

3.6

3.* "heck /or /irmness o/ all connections%

3.'

3.

3.1 "heck /or oil leaka!es i/ any%


LAPPL(O&M

L!"L L&"

Page No.#3


"heck /or #ro#er 2arthin! o/ 2*7 ank% NC6and N

Strictly check that secondary ckt% ,s not shorted%

$o /or visual checkin! o/ (aristor /or bul!in!or burnin!%

"heck that 2*7 is com#letely /illed with oiland check colour o/ oil%

LAPPL(

$%M


44/81


PATHADI,KORBA,(CG)


3.11

3.12


LAPPL(O&M

L!"L L&"

Page No.#4

"heck /or cleanlyness and door !asket sealin!so/ terminal bo+%

"heck /or dust accumulation on Porcelain,nsulators%

LAPPL($%M


45/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

Sl.No. 1escri#tion es No /ears3.1' "heck all metal #arts /or corrosion%3.1 "heck /or tank tem#erature%3.2 "heck /or "a#acitor healthyness%


LAPPL(O&M

L!"L L&"

Page No.#5

LAPPL($%M


46/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS



4.1

4.2

4.3

4.4

4.5

4.6

4.*4.'

4.

4.1



5.1

5.2 Primary o 2arth5.3 Primary o Secondary>,ndividual "ore?


LAPPL(O&M

L!"L L&"

Page No.#6

# )*L+,% . $ /) (0T0#%,D(,,# *% "0LL0%

LAPPL($%M


47/81


PATHADI,KORBA,(CG)


5.3

5.45.15.115.125.135.145.155.16


L!"L L&"

Page No.#*


LAPPL($%M


48/81


PATHADI,KORBA,(CG)


5.1*

5.1'5.15.25.21

5.22

5.23

5.24

5.25

5.26

5.2*

5.2'

5.25.3


LAPPL(O&M

L!"L L&"

Page No.#'




"heck the closin! time o/ the breaker>Less than.0ms?

"heck the o#enin! time o/ the breaker>Lessthan )0ms?



LAPPL($%M


49/81


PATHADI,KORBA,(CG)


5.315.32 "heck the manual tri##in!


50/81


51/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

Che! L"#$ %&' PANTOGRAPH ISOLATOR ? EARTH SWITCH

Serial Number:-

R-Phase

Y-Phase

B-Phase


!ency: Siemens Ltd% Packa!e&400'( Switch Yard

Teh*"+ #-e"%"+$"&* &% $he I#&+$&'


*a+% Breakin! "a#acity: 40k rms

Rated ,nsulatin! Level: 4). '(

Peak withstand current:00' Rated Short time current ratin!: 40k /or sec

INDE

Sl.No Description



3Physical checks and $eneral ,ns#ections4 List o/ 6acory est 5 its Remarks




LAPPL(O&M

L!"L L&"

Page No.#1


PATHADI,KORBA,(CG)



LAPPL($%M


52/81




1$3112

1.4 1$3151

1.5 S'433





53/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS



3.1


3.3

3.4

3.5

3.6

3.*

3.'

3.

3.1


LAPPL(O&M

L!"L L&"

Page No.#3


"heck /or #ro#er ali!nment o/ structures@su##ort insulators@earth switch etc%

2nsure /or #ro#er movement o/ 2arth Bladeinto the contact carrier

"heck that #ro#er !askets are !iven /or bo+eso/ mechanism and centrali=in! cubicle

"heck that isolator base and earth switch is #laced on structure as #er the drawin!

"heck /or makin! on su##ort insulators@o#eratin! rods @ earth switch and match withmakin! on base /rame%

check /or lubrication o/ all #ivot #oints o/ 2arthSwitches%

"heck that len!th o/ o#eratin! rod is adAustedas #er su##liers manual

"heck /or earth switches@ all contact #oints arelubricated with #etrolium Aelly

LAPPL($%M


54/81


PATHADI,KORBA,(CG)


3.11

3.12


LAPPL(O&M

L!"L L&"

Page No.#4

"heck the earthin! o/ su##ort structure@ breaker/rame and ** bo+es is done #ro#erly%

"heck the cable have been terminated in ** bo+es o/ breakers as #er the cable schedule ande3ui#ment wirin! dia!ram% "heck #ro#er!landin! o/ cable and ensure #lu!!in! o/ unused cable entries o/ ** bo+es@sealin! andlockin! o/ ** bo+es a!ainst water

LAPPL($%M


55/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS


3.1'

3.1

3.2

3.21

3.22

3.23"heck the dimension o/ wi#in! main contact

3.24

3.25

3.26

3.2*

3.2'"heck the o#eration o/ s#ace heater 3.2 "heck the door sealin! o/ the local #anel

3.3


LAPPL(O&M

L!"L L&"

Page No.#5


"heck availability o/ "1istanceD9000mm a##ro+%?

LAPPL($%M


56/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS



4.1

4.2

4.3

4.4

4.5

4.6

4.*4.'

4.

4.1



5.1

5.2

5.3


LAPPL(O&M

L!"L L&"

Page No.#6

"heck the ,R value between incomin! 5out!oin! terminals% >,R .00*I by .'(me!!er?

"heck the ,R value between lower terminal

/lan!e 5 !round% >,R .00*I by .'(me!!er?

"heck the tanK value o/ each #orcelain insulator

LAPPL($%M


57/81


PATHADI,KORBA,(CG)


5.3

5.45.5 heck the air pressure switch as per scheme

5.15.115.125.135.145.15

5.16 Siganature with Date

LAPPL(O&M

L!"L L&"

Page No.#*


LAPPL($%M


58/81


PATHADI,KORBA,(CG)


5.1*

5.1'5.15.25.21

5.22

5.23

5.24

5.25

5.26

5.2*

5.2'

5.25.3


LAPPL(O&M

L!"L L&"

Page No.#'




"heck the closin! time o/ the breaker>Less than.0ms?

"heck the o#enin! time o/ the breaker>Lessthan )0ms?



LAPPL($%M


59/81


PATHADI,KORBA,(CG)


5.315.32 "heck the manual tri##in!


60/81


61/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

CHECK LIST OR LT SWITCH GEARSSerial Number:-

Teh*"+ #-e"%"+$"&* &% L$ S:"$h Ge+'#

INDE

Sl.No Description








LAPPL(O&M

L!"L L&"

Page No.#1


PATHADI,KORBA,(CG)


Sl.No. 1escri#tion Drawing No1.1 'ey sin!le line dia!ram

1.25* manual

A+aila,le

1.3

1.4

1.5

1.6

LAPPL($%M


62/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS


Sl.No. estin! e3ui#ments1immer? 1

2.5 "urrent ,nAection 'it 1

2.6 1ischar!e Rod 1

2.* S#anner Set 1

2.' Screw driver set 12. Plier 1

2.1 orch 1


LAPPL(O&M

L!"L L&"

Page.No#2

LAPPL($%M


63/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS



3.1


3.3

3.4

3.5

"heck the ratin!s o/ all 6uses

3.6

3.*

3.'

3. visible ins#ection o/ all


64/81


PATHADI,KORBA,(CG)



LAPPL(O&M

L!"L L&"

Page No.#4


PATHADI,KORBA,(CG)



L!"L L&"

LAPPL($%M

LAPPL($%M


65/81

Page No.#5


PATHADI,KORBA,(CG)

2 x 300MW UNITS



4.1

4.2

4.3

4.4

4.5

4.6

4.*

4.'

4.

4.1



LAPPL(O&M

L!"L L&"

Page No.#6

LAPPL($%M


66/81


PATHADI,KORBA,(CG)

2 x 300MW UNITS

$ List 0f %ite Tests & it4s #emarks

Sl.No. 1escri#tion es /ears

5.1

5.2 ,R (alue / "ontrol "kt%5.3 ,R (alue / S#ace Ceaters5.4 2arthin! "kt% "ontinuety "heck 5.5 T T,%T55.6 Polarity est5.* Ratio est5.' ;indin! Resistance est5. )T T,%T5

5.1 Ratio est5.11 "ontrol rans/ormer estin!5.12 "ontact Resistance est 6or Bus-Bars

5.13 IR V+4e O% D"#$'"4$"&* T'+*#%&'5e' 5.14 Priar5.15


LAPPL(O&M

L!"L L&"

Page No.#*


PATHADI,KORBA,(CG)

2 x 300MW UNITS

Sl.No. 1escri#tion es No /ears5.1*5.1'5.15.25.215.225.235.245.255.265.2*

5.2'5.25.3


LAPPL(O&M

L!"L L&"

Page No.#'

IR V+4e &% B4#B+'# :"$h B@C Ce=/ # $arth G # $arth G: # $arth G

LAPPL($%M

LAPPL($%M


67/81


PATHADI,KORBA,(CG)

2 x 300MW UNITSSl.No. 1escri#tion es No /ears5.315.32

5.335.345.355.365.3*5.3'



6.1

6.2

6.3

6.4

6.5

6.6

6.*

6.'


LAPPL(O&M

L!"L L&"

Page No.#

LAPPL($%M


68/81

Page 6' o7 '1


PATHADI,KORBA,(CG)

2 x 300MW UNITS

CHECK LIST OR DCDB220V

(ake 6 ontrol & %witchgear

Teh*"+ #-e"%"+$"&* &% L$ S:"$h Ge+'#

6ault Level : . ' 6or Sec%

(olta!e : ))0 ( 1"

us-Bar "urrent Ratin! : 00

us-Bar Si=e : >.0)? < >G(e and -(e?

INDE

Sl.No Description







S"


69/81

Page 6 o7 '1

Page No.#1


70/81

Page * o7 '1


PATHADI,KORBA,(CG)

2 x 300MW UNITS

1-List of Drawing and Documents

Sl.No. 1escri#tion Drawing No1.1 'ey sin!le line dia!ram LAN)O%I225%16

1.2$eneral rran!ement 1rawin!s LAN)O%I225%26


PATHADI,KORBA,(CG)2 x 300MW UNITS


Sl.No. estin! e3ui#ments1"? 12.6 "urrent ,nAection 'it 12.* 1ischar!e Rod 12.' S#anner Set 12. Screw driver set 1

2.1 Plier 1

S"


71/81

Page *1 o7 '1

Page No.#2


72/81

Page *2 o7 '1


PATHADI,KORBA,(CG)

2 x 300MW UNITS



3.1


3.3

3.4

3.5

3.6

3.*

3.'

es

"heck that 2rection work is com#letedas #er relevant drawin!s and erectioncom#letion certi/icate is available

"heck that all the doors lockin!mechanisms and alli!nments are #ro#er

"heck /or #ro#er ali!nment o/ structures@

su##ort insulators@earth switch etc%

"heck the #ro#er ti!htness o/ 6ish Plates between the B7S sections%

"heck the colour codin! Positive and Ne!etive Bus-Bars%

"heck that #ro#er !askets are !iven /ordoor /or sealin!

"heck /or the ti!htness o/ all Bus-Barsconnections@su##ort insulators@6eederrollies su##ort @6use Colders 5

bases@ll Power "onnections%


73/81

Page *3 o7 '1

3.

4.

4.1

4.2

4.3

4.4

4.5

4.6

4.*

4.'

4.

Page No. #3

"heck the Lockin! System o/ *""Bs/or ,solation Pur#ose%

"heck that backelite sheets insulation areto be #rovided at incomin! 5 out!oin!/eeders%

"heck the ratin!s and S#eci/ications o/all *""BQs@,solators and Switches arecorrect and matchin! with the 1rawin!s%

"heck the ratin!s 5 healthiness o/ all

6uses as #er 1rawin!s

"heck /or N


74/81

Page *4 o7 '1

5. ,ns#ections o/ "ables $lands

5.1

5.2

5.3

5.4

5.5 "heck /or both ends earthin!s o/ #anel%

S"


75/81

Page *5 o7 '1

Page No.#4


PATHADI,KORBA,(CG)2 x 300MW UNITS



4.1 IR VALUES O DC POWER CIRCUIT WITH 00 V MEGGER

4.2 P#N J K2 M.Ohs

4.3 P#$ J K2 M.Ohs

4.4 N#$ J K2 M.Ohs

4.5

4.6 P; # N J K2 M.Ohs

4.* P; # $ J K2 M.Ohs

4.' N # $ J K2 M.Ohs

4.

4.1 P#N J ithstoo4.11 P#$ J ithstoo4.12 N#$ J ithstoo

4.13

4.14 P; # $ J ithstoo4.15 P; # N J ithstoo4.16 N # $ J ithstoo


J

J

J

IR VALUES O AC SPACE HEATERCIRCUIT WITH 00 V MEGGER

J

J

J

HIGH VOLTAGE TEST D.C. POWERCIRCUIT AT 2.KV OR 8 M"*4$e

J

A.C. S-+e He+$e' C!$ +$ 8. KV %&' 85"*4$e

APPL($%M

LAPPL(O&M


76/81

Page *6 o7 '1

L!"L L&"

Page No.#5


77/81

Page ** o7 '1


PATHADI,KORBA,(CG)

2 x 300MW UNITS

$ List 0f %ite Tests & it4s #emarks

Sl.No. 1escri#tion /ears

5.1

Positi+e # Negeti+ePositi+e # $arth

Negeti+e # $arth5.2 # )alue 0f %pace 7eaters5.3 Ph # N G5.4 Ph # $ G5.5 N - 2 D5.6 2arthin! "kt% "ontinuety "heck

5.*"ontact Resistance est 6or Bus-Bars

Positive Bus-bar Ne!etive Bus-Bar

5.' Re+/ Te#$"*< (DCI 2@9)

5.

5.12

5.13


L!"L L&"

es

Ce=

)heing o7 $ % 8 $leent Pi u &Dro o77

)heing o7 F % = /ela ($leentPi F & Dro o77

)heing o7 O % = /ela ($leentPi F & Dro o77

APPL($%M

LAPPL(O&M


78/81

Page *' o7 '1

Page N.#6


79/81

Page * o7 '1


PATHADI,KORBA,(CG)

2 x 300MW UNITS


Sl.No. 1escri#tion No /ears

6.1

6.2

6.3

6.4

6.5

6.6

6.*

6.'


L!"L L&"

Page No.#*

es

APPL($%M

LAPPL(O&M


80/81

Page ' o7 '1


81/81

Sf6 -Bkr Check List

Documents

Transcript of Sf6 -Bkr Check List