Upload
abhishekact
View
229
Download
0
Embed Size (px)
Citation preview
8/12/2019 Main Turbine Recommissioning
1/30
TATA POWER (DIVISION)
INDEX
STANDARD RECOMMISSIONING CHECKLIST (MAIN TURBINE)S.N Descripti! P"#e N
1 Turbine Shut Down data 1
2 MOT filling 2
3 Motor No Load trial checks 2
4 Motor No Load trial detail 4
5 u!" Load trial checks 5
# Lub Oil S$ste! Line %" for trial run 5
& re"aration for oil flushing #
' D( Oil u!" Load trial details &
) *O Load trial details and Oil flushing '
1+ Oil s$ste! nor!ali,ation 1+
11 D( -O Load trial run details 1+
12 -O Load trial run details 11
13 .nterlock and *lar! (hecking 12
14 (ontrol /luid S$ste! 13
15 utting the turbine on Turning 0ear 15
1# re"aration for turbine rolling 1#
1& Turbine rolling 1'
1' *nneure ..nterlocks and alar! 21
1) *nneure ..List of eadings 25
2+ *nneure ...(hecklist for "utting turbine on Turning0ear
2&
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
8/12/2019 Main Turbine Recommissioning
2/30
TATA POWER (DIVISION)
STANDARD RECOMMISSIONING CHECKLIST
MAIN TURBINE(Wit$ Re%ere!ce t &'' MW KWU !its)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
1+ TURBINE SHUT DOWN DATA,
11 Turbine sto""ed at D*T67T.M6
12 Mai!u! !etal te!"erature at the ti!e of sto""ingturbine
13 Turning 0ear sto""ed at D*T67T.M6
14 Mai!u! !etal te!"erature at the ti!e of turning gearsto""ing
15 *O sto""ed at D*T67T.M6
1# Mai!u! !etal te!"erature at the ti!e of sto""ing oil"u!"
1&1
1&2
1&3
1&4
MOT Le8el 9Measured fro! To":
MOT Le8el fro! local gauge
(o!"arison fro! two le8els
C"-ir"ti! % -c"- #"#e; if re
8/12/2019 Main Turbine Recommissioning
3/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
112 MOT /-si%ier per"ti! c$ec0e1 "!1 %!1 0"2
Defects; if an$ attended
2+ MOT i--i!#,
211
212
213
MOT "-- 1r"i!s c-se1> s$ste! nor!ali,ed
MOT filling co!"leted9pre%er"-2 t$r#$ Ce!tri%#e:
-e3e- s$-1 e /re t$"! 4 5'' //.
22 Le8el switches 9O"eration > resetting: checked whilefilling MOT
231
232
233
234
MOT Le8el !easured fro! To"
MOT Le8el fro! local gauge
(ross check the two le8els
C"-ir"ti! % -c"- #"#e; if re
8/12/2019 Main Turbine Recommissioning
4/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
35 Motor is unda!aged; fitted and satisfactoril$ !ountedwith foundation bolts tight
3# Motor is decou"led and free to rotate
3& Sufficient ga" is !aintained between the cou"linghal8es
3' *ll bolted @oints and co8er "lates on the stator fra!e are"ro8ided with gasket and "ro"erl$ tightened
3) Motor bearings are lubricated "ro"erl$ 90rease:
31+ ower cable and earthing connections are co!"lete;secure and tight
311 Ter!inal bo is clean; dr$ and tightened "ro"erl$
3121
3122
M(( charged and !odule is cleared
?inding !egger 8alues are !easured and recorded
=*S6 A=*S6 B=*S6
Calue
313 ?inding resistances are !easured > recorded
A AB B
Calue
314 MOTO NOLO*D T.*L (L6**N(6S
SIGNATURES
6MD TMD ON
S.0N*T%6S
4+ O?6 > (ONTOL S%LA 6T6ND6D
6nsure that ESLC AOPS> is !t ?ON>"!1 %ireprtecti! : i- -e3e- -@7-@ is !t "cti!#9beforeswitching on the su""l$
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
4
8/12/2019 Main Turbine Recommissioning
5/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
5+ MOTOR NO7LOAD TRIAL DETAILS (MOTOR)
51 Mtr Se-ecti! c$"!#e1 t -c"- (t st"rt %r/-c"-)
52 Motor Bu!" Test 9fro! local:
53 (heck direction of rotation
54 .f DO is re8erse; change the "hase connections
55 .f DO is oka$ and no other abnor!alit$ is obser8ed;start the !otor for ' hrs Trial 94 hrs for D( Motor:
i: Starting Date7Ti!e
5# Bearing Te!" and (urrent checked locall$ fro! ti!e toti!e
6
8/12/2019 Main Turbine Recommissioning
6/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
SIGNATURES,
6MD ON
S.0N*T%6S
&+ LOAD TRIAL CHECKS
(DC EOP9 AOP78:;9 DC .:
&' TS. alar!s checked and cleared
&)*ll bearings boed u"; area cleaned
'+LUB OIL S+STEM LINE UP OR TRIAL RUN.
'1 Thrust bearing filters cleaned and boed u"
'21
'22
MOT cooler works co!"leted
T? on MOT (ooler returned
'3*ll instru!ents in the Lub oil s$ste!; near the "u!"s; in
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
6
8/12/2019 Main Turbine Recommissioning
7/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
local "anel; at '5M and in %(B are a8ailable
'4 6nsure that MOT le8el is GH4++!!
'5 Start and kee" one Ca"our 6traction /an in ser8iceafter ensuring that all the bearing and tank 3"pr -i!es"re t$r#$
'# (heck for an$ abnor!alit$ 9*bnor!al sound etc:
)+PREPARATION OR OIL LUSHING
)1*ll turbine generator and eciter bearing oil linet$rtt-es re/3e1 "!1 -i!e %i-ters pr3i1e1
)2 MOT ce!tri%#e is "3"i-"-e "!1 0ept i! ser3ice
)3ressure gauges are a8ailable before and after thrustbearing filter
)4T$rst e"ri!# i- %i-ter ?DP $i#$> "-"r/ c$ec0e1 "!1%!1 $e"-t$2
)5 Lube oil te!"erature and "ressure gauges at local and%(B are a8ailable
)# Lube Oil te!"erature control 8al8e !otor ser8icingco!"leted and read$
)& (? u!" in ser8ice
)' *(? u!" in ser8ice
)) 6(? u!" in ser8ice
)1+1
)1+2
)1+3
MOT (ooler lined u" fro! Oil side
Cents o"ened
Dr"i!s c-se1
)111 MOT (oolers charged fro! water side
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
7
8/12/2019 Main Turbine Recommissioning
8/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
)112
)113
ro"er 8enting done
Cents closed after "ro"er 8enting
)12 MOT and its surrounding area are "ro"erl$ cleaned andillu!inated
)13 (L6**N(6 for LO*D Trial
9D( O.L %M; *O; -O:
6!7sec:
1+51 D(O started and line filling started
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
8
8/12/2019 Main Turbine Recommissioning
9/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
1+52
1+53
*ll Cents closed after filling the lines
MOT C-er, Prper 3e!ti!# 1!e 3e!ts c-se1"%ter %i--i!#
1+# M!itr recr1 MOT Oi- -e3e-
11+AOP LOAD TRIAL RUN DETAILS OIL LUSHING
9%se se"arate sheets for different *Os:
111 ower and control su""l$ etended for *O
6nsure that ESLC AOPS> is !t ?ON> "!1 %ireprtecti! : i- -e3e- -@7-@ is !t "cti!#9 beforeswitching on the su""l$
112Start *O fro! control "anel and sto" D(O
Starting T.M6 7 D*T6
113
(heck for an$ abnor!alit$ 9*bnor!al sound; sealleakage; bearing te!" line leakage etc: > fill thefollowing table
*O No (urrent; * ressurede8elo"ed;
Fg7c!2
*O1
*O2
114
On load 8ibration of *O*O No Ti!e Bearing 8ibration 9!! >
!7sec:
*O1
*O2
115 M!itr MOT Oi- -e3e- "%ter s2ste/ %i--i!#
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
9
8/12/2019 Main Turbine Recommissioning
10/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
11# Fee" the other *Os in auto; b$ switching on SL(
11& Start the other *O b$ SL(
(heck the healthiness of SL(
11' Fee" SL( *O ON
11) Fee" Oil te!" control 8al8e in auto
111+ Oil flow through bearing return lines checked and foundsatisfactor$
1111 (ontinue oil flushing for 2 hours or till thrust bearing filtergets chocked 9which e8er is !ini!u!:
1112Oil "u!"s sto""ed and all filters cleaned 9Bucketstrainers; thrust brg; filter and line filters:
1113(ontinue oil flushing
Lube oil flushing log sheet
SNo Date StartTi!e
Sto"Ti!e
Linesincluded
/ilterchocking
11141
11142
11143
11144
Line filters are found to be clean
Thrust bearing filter chocking fre
8/12/2019 Main Turbine Recommissioning
11/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
1115
11151
11152
MOT Oi- 6"-it2
Mistre (Li/it,8'' pp/)
Mec$"!ic"- I/prities (Li/it, 8'' pp/)
111#u!"s sto""ed and su""l$ !ade EO//I
12+OIL S+STEM NORMALISATION
121A-- -i!e %i-ters re/3e1 "!1 t$rtt-e %i=e1.
122Throttle lifts ad@usted and readings taken 9"rotocol!ade: throttle screws are re!o8ed and locknutstightened
123D(O started and lines filled
124*O ke"t in ser8ice and D(O sto""ed
125Oil flow checked at all bearing oil return linesJ flow!easured and recorded. (WITHOUT
8/12/2019 Main Turbine Recommissioning
12/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
D(-O Ti!e Bearing 8ibration 9!! >!7sec:
135 See that the header "r is de8elo"ing !ore than 12+ ksc
14+ fill thefollowing table
-O No (urrent; * ressurede8elo"ed;
Fg7c!2
-O1
-O2
144On load 8ibration of -O
-O No Ti!e Bearing 8ibration 9!! >!7sec:
-O1
-O2
145 See that the header "r is !aintaining about 15+ ksc
14# Fee" the other -Os in auto; b$ switching on SL(9(heck the healthiness of SL(:
14& Fee" SL( -O ON > record
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
12
8/12/2019 Main Turbine Recommissioning
13/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
14' Oser3e t$e "c0i!# i- pressre "t "-- e"ri!#s "!1c/p"re @it$ ri#i!"- re"1i!#s
14) ecord final otor lift readings 9obtained fro! TurbineMaintenance:
15+ INTERLOCK ALARM CHECKING,
Nte, Site Speci%ic 1"t" /"2 e %i--e1 p. D"t" #i3e!"s i--str"ti!
151 MOT Le8el low alar! 5+!!9)5+!! tank to" is E+I:
152 MOT Le8el Low Low 9Tri" > *lar!: 1++!!
153 MOT Le8el =igh 9*lar!: H1++ !!
154 Low Lub Oil ressure 9Tri" > *lar!:
155 /ire rotection1
9/or details refer *nneure.:
15# /ire rotection 2
9/or details refer *nneure.:
15& SL(*O
9/or details refer *nneure.:
15' SL(-O
9/or details refer *nneure.:
15) SL(Turning 0ear
9/or details refer *nneure.:
151+ S0( Oil S$ste!
9/or details refer *nneure.:
1511 S.0N*T%6 6(OMM.SS.ON.N0 .MD
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
13
8/12/2019 Main Turbine Recommissioning
14/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
1#+CONTROL LUID S+STEM,
1#1 *ll T?s are returned
and (ontrol /luid s$ste! is co!"letel$ a8ailable
1#2 MOTO NO L*OD T.*L %N
Motors No load trial run co!"leted and cleared forcou"ling
(Re%er secti! .' t .' %r 1et"i-s)
S.0N*T%6 6MD ON
1#3 LO*D T.*L (=6(FS
a: *ccess to the "u!" area is ade
8/12/2019 Main Turbine Recommissioning
15/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
1#4 (/T le8el is !ore than H1++!! and that (/ te!" is!ore than 2+K(
1#5 Start one (/ C6/ and kee" it in ser8ice
1##1
1##2
1##3
1##4
1##5
1###
Start one control fluid "u!" and sto" it after a few secsto allow for line filling and 8enting
Then start the "u!" and kee" in ser8ice
*8ailabilit$ of other "u!" is checked
See that the = and L "ressures are !ore than 32 kscand ' ksc res"ecti8el$
(heck for an$ abnor!alit$ 9*bnor!al sound; sealleakage; bearing te!" line leakage etc: > fill thefollowing table
(/ u!" (urrent;* ressure de8elo"ed;Fg7c!2 9=7L:
1
2
On load 8ibration of (/ u!"
(/ u!" Ti!e Bearing 8ibration 9!! >!7sec:
1
2
1#& Obser8e for an$ leakage and sto" the "u!" if an$ !a@orleak is obser8ed
1#' Obser8e the CT -e3e- "%ter st"rti!# t$e p/p .f itdro"s below ,ero and !aintains there; le8el to""ing u"!a$ be re
8/12/2019 Main Turbine Recommissioning
16/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
1#1+ Switch on the control fluid heating s$ste! and "ut it inauto
1#11 Ser8icing of te!"erature control 8al8e is co!"leted andke"t read$
See that the te!" control 8al8e is closed
1#12 Switch EONI SL( (/ s$ste! and gi8e EunI co!!and toco!"lete the startu"
1#13 (ontrol fluid !oisture and acidit$ 8alues are within li!its
1#14 Tri!e #3er!i!# c$"r"cteristics c$ec0e1 "!1prtc-s /"1e
S.0N*T%6 6(OMM.SS.ON.N0 TMD
1&+PUTTING THE TURBINE ON TURNING GEAR
1&1 Ge!er"tr se"- i- s2ste/ is %--2 "3"i-"-e "!1 0epti! ser3ice
1&2 *ll works on generator; eciter; bus ducts; 0Ts and%*Ts co!"leted
1&3 0T earth switches are o"ened
1&4 *ll TS. readings taken at ,ero s"eed9efer *nneure ..:
1&5 Turning gear 8al8e ser8icing co!"leted and 8al8e isread$9efer *nneure ... for checklist of Turning 0ear:
1 Switch EONI Turning gear 8al8e su""l$
1&& Switch EONI S0( oil s$ste! and gi8e run co!!and
1&' Turning gear 8al8e o"ens and turbine starts turning
1&) M!itr MOT Oi- Le3e-.
I% reFire1 i- t e tppe1 t e /"i!t"i!e1"r!1 4&' //
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
16
8/12/2019 Main Turbine Recommissioning
17/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
1&1+ (lean the thrust bearing filter in case of choking
1&11 (heck for an$ abnor!alit$ like abnor!al sound fro!
bearings; seals etc
1&12 Note down TS. readings at turning gear s"eed
Date
Ti!e
1'+ PREPARATION OR TURBINE ROLLING
1'1 MS; == strainer drains; header drains; (= drains
including !anual 8al8es are ke"t o"en
1'2 *ll drainsI !anual 8al8es are o"en Cal8es are o"en orworking in auto
1'3 0land stea! drain 8al8es are working in auto
1'4 Both (? "asses are charged and (? flow is G5+;+++t"h
1'5 (ondenser 8acuu! "ulled > 8acuu! switches are resetJ
Cacuu!
1'# Boiler is in ser8ice with sufficient stea! flow
BL.; t"h
1'& =7L b$"ass are co!"letel$ a8ailable > charged
1'' *ll TS.; indicators > recorders are a8ailable > switchedEONI
1') D*S is switched EONI
1'1+Turbine "rotections and interlocks checked and ke"t inser8ice
(lass*
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
17
8/12/2019 Main Turbine Recommissioning
18/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
(lassB
Turbine tri" fro! Boiler Tri"
1'11 SL( *Os; -Os > (/ u!"s are switched EONI
1'12 Turbine oil te!" control and (/ te!" control are inauto
1'13 *TS and 6=( a8ailabilit$ ensured
1'14 *TT "rogra!!e is a8ailable
1'15 Main and !iddle breaker are o"en and isolators areclosed
1'1# A-- trip re-"2s "re reset.
1'1& 0Ts; %*Ts and bus ducts clearedJ all allied su""lies!ade ONI and !ulsifiers ke"t in auto
1'1' 0Ts; OLT( checked and cleared
1'1) 6citer "anel and allied su""lies readiness checked andke"t ONI
1'2+ 0enerator casing =2 filling co!"leted and "ressure isG3& ksc; =2 "urit$ !ore than ))+
1'21 =2 coolers charged and te!" control "ut in auto
1'22 ? s$ste! is in ser8iceJ /low ad@usted and te!"control "ut in auto ? N2 ca""ing "ressure is nor!al
1'23 6citer coolers charged
1'24 *8ailabilit$ of *C ensured
1'25 Seal oil s$ste! is co!"letel$ a8ailable; oil "u!"sinterlocks checked
1'2# Seal oil s$ste! is in ser8iceJ standb$ "u!"s are lined u"and su""l$ !ade EONI
1'2& Seal oil coolers are charged and oil te!" is nor!al
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
18
8/12/2019 Main Turbine Recommissioning
19/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
1'2' Turbine go8erning characteristics taken and cleared
1'2) D0 set is a8ailable and diesel tank le8el is nor!al
1'3+ Turbine "ara!eters on T0 are noted and no abnor!alit$
is obser8ed1)+ TURBINE ROLLING
1)11
1)12
Turbine startu" "ara!eters 9as gi8en in integratedstartu" "rocedure: achie8ed
Turbine rolling "ara!eters recorded
1)2 (learance for Turbine rolling
Turbine Maintenance
6lectrical Maintenance
(>. Maintenance
O"eration
1)3 E!sre t$"t tri!e is !t "cce-er"ti!# ! pe!i!# %stp 3"-3e
1)41
1)42
1)43
1)44
Turbine rolled to 3#+ r"!
Date 7 Ti!e
ara!eters noted and found OF
6nsure Turning gear 8al8e closed
Spee1 crss c$ec0e1 @it$ %% -i!e i!str/e!t "!1%!1 s"tis%"ctr2
1)51
1)52
Soaking at 3#+ M co!"leted
eadings taken
See *nneure.. for list of readings 9indicati8e:
1)#1 Turbine rolled to 3+++ r"! after soaking 9whene8erre
8/12/2019 Main Turbine Recommissioning
20/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
1)#2
1)#3
1)#4
Date 7 Ti!e
C!ti!s crss c$ec0i!# % spee1 @it$ %% -i!ei!str/e!t 1ri!# %irst ti/e r--i!# "%ter O3er$"-
ara!eters noted > found OF
E!sre stppi!# % recorded
1)1+(learance gi8en for 6M for electrical tests
Date 7 Ti!e
1)116lectrical test co!"leted and s$ste! nor!ali,ed
Date 7 Ti!e
1)12 *ll 6lectrical tests co!"leted; "!1 2p"ssi!# 1!e9 i%"!29 !r/"-ise1.
1)13 S%%icie!t /"r#i!s "re "3"i-"-e "s per TSE.
1)14 .nfor!ation gi8en to grid 7 switch$ard 6ngineer andclearance taken for s$nchronising
1)15 (learance for 0enerator s$nchronising
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
20
8/12/2019 Main Turbine Recommissioning
21/30
TATA POWER (DIVISION)
S.NO. DESCRIPTION O ACTI*IT+ STATUS
6lectrical Maintenance
O"eration
1)1#%nit s$nchroni,ed and block load taken
Date 7 Ti!e
Mode 9*uto7Manual:
1)1&/ull load reached
Date 7 Ti!e
2++ TG IS CLEARED OR OPERATION,
S.0N*T%6 6(OMM.SS.ON.N0
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
21
8/12/2019 Main Turbine Recommissioning
22/30
TATA POWER (DIVISION)
ANNEXURE7I
INTERLOCK ALARMS
1+ IRE PROTECTION78
?hen fire "rotection 1 channel 1 or channel 2 is "ressed or
o"erated;co!!and goes to
i 6lectrical turbine tri" channel 1 > 2
ii Switch off S0( (/ s$ste!iii Switch off (/ heating
i8 Switch off (/ circulating "u!"s
8 (/ "u!" 1 > 2 off
8i (/ circulating "u!" 1 > 2 off
8ii (/ heaters 1 > 2 off
.f tank le8el is 8er$ low or fire "rotection 1 channel 1 or channel 2
o"erated and 0enerator breaker is o"en ;after 3 secs co!!and goes to
o"en 8acuu! breaker 8al8e
/ire rotection 1 resets after 3 secs auto!aticall$.t will reset if tri" fluid
"ressure is P 25 Fsc
2+ IRE PROTECTION ;
?hen fire "rotection 2 channel 1 or channel 2 is "ressed or o"erated or
MOT le8el is 8er$ low;co!!and goes to
i Turbine tri" channel 1 > 2
ii SL( *O 1 off
iii SL( *O 2 off
i8 SL( 6BO on
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
22
8/12/2019 Main Turbine Recommissioning
23/30
TATA POWER (DIVISION)
8 SL( -Os off
8i SL( -O3 off
8ii SL( Turning 0ear off
8iii -O3 on
/ire rotection Oil Tank
.f MOT le8el P !in set 8alue 9273 logic: and if the !e!or$ is set;then
turbine will tri" on MOT le8el low
The !e!or$ is set once the gate 8al8e gearing is closed > MOT le8el is
nor!al9with a ti!er:
3+ SLC7AOP
*O 1 will start in auto when
i SL( *O 1 is ON > *O 2 is off O discre"anc$
ii O when ilot Oil ressure P4' Fsc
*O 2 will start in auto when
i SL( *O 2 is ON > *O 1 is off O discre"anc$
ii O when ilot Oil ressure P45 Fsc
?hen turbine s"eed is G 2'5+r"! > ilot Oil ressure G&+ Fsc;*O
1>2 will be off auto!aticall$
6!ergenc$ Oil "u!" will start when
i SL( 6BO is ON > Lub oil "ressure is P 11 Fsc
ii Start co!!and gi8en
/ire "rotection 2 o"erated
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
23
8/12/2019 Main Turbine Recommissioning
24/30
TATA POWER (DIVISION)
4+ SLC7 Turbine S"eed is P 51+ r"!
> -O 2 is O//
-O 2 will start when
. -acking Oil ressure is G 1++Fsc for 5 seconds > Turbine S"eed
is P 51+ r"!
.. O -O 1 discre"anc$ > -O 1 is O//
-O 3 will start when
. SL( D(-O is ON > Turbine S"eed is P 51+ r"! > -acking Oil
ressure is P 1++Fsc for & seconds
.. -O 1>2 Coltage fails and Turbine S"eed is P 2&)+r"!
?hen D(-O starts;co!!and goes to
Switch off SL( -Os
-O 1 off
-O 2 off
?hen Turbine S"eed is G 54+ r"!;-O 1 sto"s in auto
5+ SLC7Tr!i!# Ge"r
1 ?ith SL( turning gear ON > Turbine s"eed P 21+ r"!;gate 8al8e
gearing o"ens
2 Turbine s"eed G 24+ r"!;gate 8al8e gearing closes
3 0ate 8al8e gearing can be o"ened when turbine s"eed is G 15
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
24
8/12/2019 Main Turbine Recommissioning
25/30
TATA POWER (DIVISION)
r"!9other criteria will be b$"assed:
#+ SGC Oi- S2ste/
S0( will be released for o"eration when one of the two Ca"our6tractor fans are in ser8ice
?hen S0( is !ade ON co!!and goes to
1: Switching ON *O 1
2: ?ith *O in ser8ice or turbine s"eed G2'5+ r"! > ilot Oil
"ressure G 4'Fsc;co!!and goes to "ut te!" control in auto
?ith Te!" control 8al8e in auto > D Seal Oil *ir=2 side G+& Fsc
9both sides:> one B(6B in ser8ice;co!!and goes to switch on SL(
turning gear and gate 8al8e gearing o"ens
?hen 0ate 8al8e gearing is o"en O turbine s"eed is G24+ r"! > SL(
turning gear is ON;co!!and goes to
1 Switch on *O 1
2 Switch on *O 2
3 Switch on 6O
4 Switch on -O s
5 Switch on D(-O
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
25
8/12/2019 Main Turbine Recommissioning
26/30
TATA POWER (DIVISION)
ANNEXURE7II
LIST O READINGS
S.N PARAMETERS *ALUE
1 Turbine S"eed
2 (ondenser Cacuu!
3 Stea! "ressure at = Turbine inlet
4 Stea! te!"erature at = Turbine inlet
5 Stea! "ressure at = Turbine ehaust
# Stea! te!"erature at = Turbine ehaust
& Stea! "ressure at . Turbine inlet
' Stea! te!"erature at . Turbine inlet
) = Turbine (asing Metal Te!"erature 9as a8ailablein control roo!:
1+ = Turbine Shaft Metal Te!"erature 9as a8ailable incontrol roo!:
11 . Turbine (asing Metal Te!"erature 9as a8ailable incontrol roo!:
12 . Turbine Shaft Metal Te!"erature 9as a8ailable incontrol roo!:
13 = Turbine Differential 6"ansion
14 . Turbine Differential 6"ansion
15 L Turbine Differential 6"ansion
1# *bsolute 6"ansion= Turbine
1& *bsolute 6"ansion. Turbine
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
26
8/12/2019 Main Turbine Recommissioning
27/30
TATA POWER (DIVISION)
1' *ial Shift
1) 6ccentricit$
2+ T0 Shaft 8ibration12345#&
21 T0 Bearing 8ibration1
2345#&
22 T0 Bearing Te!"erature 9Ma:
12
345#&
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
27
8/12/2019 Main Turbine Recommissioning
28/30
TATA POWER (DIVISION)
ANNEXURE III
&'' MW TURBO7GENERATORSCHECKLIST OR PUTTING TURBINE ON TURNING GEAR
UNIT, DATE,
S.
NO.
DESCRIPTION RESPONSI
BILIT+
STATUS REMARKS
+1 *ll lube oil "u!"s reco!!issioned O"n
+2 *ll @acking oil "u!"s reco!!issioned O"n
+3 Oil flushing co!"leted successfull$ *llline filters re!o8ed and throttles fied
TM
+4 Thrust bearing filter chocking fre.
+' *ll indicators and recorders for T0 area8ailable and !ade EONI
(>.
+) Turning gear 8al8e electrical o"erationchecked 9without "u!" in ser8ice:
O"n
1+ *ll oil "u!"s su""l$ !ade EONI and one"u!" ke"t in ser8ice eturn oil flow!!
O"n
11 MOT le8el is !ore than H5+ !! O"n
12 *ll -Os su""l$ !ade EONI and one -Oke"t in ser8ice
O"n
13 Shaft lift taken at all bearings
Lift
Oil r 9ksc:
TM
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
28
8/12/2019 Main Turbine Recommissioning
29/30
TATA POWER (DIVISION)
S.
NO.
DESCRIPTION RESPONSI
BILIT+
STATUS REMARKS
14 SL(s of oil "u!"s and -Os checkedand cleared
O"n7(>.
15 SL( turning gear is a8ailable (>.1# 0enerator seal oil s$ste! is full$
a8ailable and ke"t in ser8iceO"n
1& *ll 0enerator and eciter worksco!"leted
6M
1' *ll bus ducts o8erhaul works co!"leted 6M
1) 0Ts; %*Ts cleared for o"eration 6M
2+ 0T earth switches o"ened O"n
21 *ll TS. readings taken at ,ero s"eed O"n
22 CLEARANCES OR PUTTING TG ON TURNING GEAR
S.NO.
DEPARTMENT SIGNATURE REMARKS
+1 Turbine Maintenance
+2 6lectrical Maintenance
+3 (>. Maintenance
+4 eco!!issioning
23 Turning 0ear 8al8e su""l$ !ade EONI O"n
24 S0( oil s$ste! !ade EONI and runco!!and gi8en
O"n
25 Turbogenerator "ut on turning gear
Date 7 Ti!e
/ull s"eed reached
Lube oil "ressure
O"n
2# TS. readings taken on barring gears"eed
O"n
Si#!"tre (Op!.)
STANDARD RECOMMISSIONING CHECKLIST MAIN TURBINE
29
8/12/2019 Main Turbine Recommissioning
30/30
TATA POWER (DIVISION)
STANDARD OPERATING CHECKLIST (DAIL+)
TG OIL S+STEM
S.NO. DESCRIPTION O ACTI*IT+ STATUS
1+ (heck Standb$ Lub Oil /ilter is charged ro"er8enting is done No oil leakage in the filter asse!bl$
2+ Monitor > ecord Lub Oil /ilter choking 9d": in thebeginning > end of each shift
3+ Monitor > ecord Lub Oil te!"erature 2 hourl$
4+ 6nsure standb$ Lub Oil /ilter is cleaned
5+ Monitor > ecord MOT Oil le8el in the beginning >end of each shift
#+ D( 6O trial is taken dail$
ecord D( 6O discharge "ressure
(heck =ealthiness of D( 6O fro! local
&+ 6nsure SL( of *O ;-O > Barring 0ear are ON
'+ (heck the healthiness of all annunciation facia of LubOil s$ste! in control roo!
(heck the la!" testing of annunciation s$ste! in eachshift
)+ Monitor > ecord the .!"urities: ofLub oil
1++ (heck the "rotection 9seal break "rotection > inletsolenoid 8al8e closure: of (entrifuge before starting ofcentrifuge
Monitor > ecord the running hours of (entrifuge