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8/12/2019 -Emergency Trip Ststem
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
$%OO& EMERGENCY TRIP STSTEM
CONTENTS
Description PageINTRODUCTION 1
SYSTEM OVERVIEW 1
EMERGENCY TRIP CONTROL BLOC !EMERGENCY TRIP TEST BLOCS "T#RUST BE$RING TRIP TEST DEVICE %
EMERGENCY TRIP CONTROLLER C$BINET &USER INTER'$CE OVERVIEW (
OPER$TING INSTRUCTIONS )Po*ering Up t+e ETS )Operator Test Pane, Description -Using t+e Operator Test Pane, 11Testing Tripping '.nctions /ro0 t+e Operator Test Pane, 11Testing Oerspee2 '.nctions /ro0 t+e Operator Test Pane, 1!Disa3,ing Nor0a, Oerspee2 1!
'a.,t To,erance 1"$,ar0 Con2ition 1"Trip Con2itions 1%ETS COMP$TIBILITY 1&P$RTS LIST 1&
List o/ I,,.strations'ig.re 14 ETS Oerie* !
'ig.re !4 Contro, B,oc5 "
'ig.re "4 Test B,oc5 %
'ig.re %4 Ca3inet O.t,ine (
'ig.re &4 Operator Test Pane, 6Page 17 -
'ig.re (4 Operator Test Pane, 6Page !7 18
'ig.re )4 Operator Test Pane, 6Page "7 11
DOCUMENT NO.: 71.H156-7E04 Page 1 o/ 1
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
INTRODUCTION
T+e E0ergenc9 Trip S9ste0 6ETS7 proi2es a re2.n2ant protection
s9ste0 /or ,arge t.r3ine:generator operation4 T+is protection ino,es an
a.to0atic trip o/ t+e t.r3ine i/ a +a;ar2o.s con2ition e<ists t+at co.,2
,ea2 to e=.ip0ent 2a0age4 T+e ETS e0p,o9s re2.n2ant protection
t+ro.g+ 3ac5.p +ar2*are an2 inte,,igent tripping ,ogic4
T+e ETS>s ario.s sensors 0onitor t+e con2itions o/ t+e t.r3ine4 T+e
/o,,o*ing con2itions are 0onitore24
T.r3ine oerspee2 E# /,.i2 press.re
Bearing oi, press.re
Con2enser ac..0
T+r.st 3earing *ear
Re0ote trip .sing c.sto0er contact6s74
T+e ETS sensors are co.p,e2 *it+ inte,,igent tripping ,ogic to
proi2e t+e /o,,o*ing?
On:,ine testing o/ eac+ c+anne, *it+o.t ca.sing an ina,i2 t.r3ine trip4
I00.nit9 /ro0 an ina,i2 t.r3ine trip i/ an9 one co0ponent /ai,s4
Detection o/ a a,i2 t.r3ine trip con2ition an2 s.ccess/., tripping i/
an9 one co0ponent /ai,s4
SYSTEM O'ER'IEW
T+e ETS co0prises one E0ergenc9 Trip Contro, B,oc5@ t+ree
E0ergenc9 Trip Test B,oc5s@ one E0ergenc9 Trip Contro,,er Ca3inet an2
one Operator Test Pane,4 I,,.strate2 sc+e0atica,,9 in 'ig.re 14
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
EMERGENCY TRIP CONTRO( $(OC)
T+e a.to stop e0ergenc9 trip +ea2er press.re is esta3,is+e2 *+en t+e
a.to stop trip so,enoi2 a,es 6!8A$ST7 are energi;e2 c,ose24 T+e a,es
are arrange2 in t*o c+anne,s /or testing p.rposes T+e o22 n.03ere2 pair
correspon2 to c+anne, 1 an2 t+e een n.03ere2 pair correspon2 to
c+anne, !4 T+is conention is carrie2 t+ro.g+o.t t+e e0ergenc9 trip
s9ste0 in 2esignating a,, 2eices e4g4@ c+anne, 1 2eices are o22:
n.03ere2@ an2 c+anne, ! 2eices are een:n.03ere24 Bot+ a,es in a
c+anne, *i,, open to trip t+at c+anne,4 Bot+ c+anne,s 0.st trip 3e/ore t+e
a.to stop trip +ea2er press.re co,,apses to c,ose t+e t.r3ine stea0 in,et
a,es4 On:,ine testing can 3e acco0p,is+e2 39 tripping one c+anne, ata ti0e4DOCUMENT NO.: 71.H156-7E04 Page " o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
T+e !8A$ST so,enoi2 a,es are e<terna,,9 pi,ote2 t*o:stage a,es4
E# ',.i2 press.re is app,ie2 to t+e pi,ot piston to c,ose t+e 0ain a,e4 $
("A$SP press.re s*itc+ 0onitors t+e pi,ot press.re o/ eac+ c+anne,4 T+e
press.re s*itc+ is .se2 to 2eter0ine t+e trippe2 or ,atc+e2 stat.s o/ eac+
c+anne, an2 as an inter,oc5 to preent testing one c+anne, *+en t+e ot+er
c+anne, is 3eing teste24
EMERGENCY TRIP TEST $(OC)S
T+e test 3,oc5s /or 3earing oi, press.re@ E# ',.i2 Press.re@ an2
con2enser ac..0 are i,,.strate2 sc+e0atica,,9 in 'ig.re "4
Eac+ test 3,oc5 asse03,9 consists o/ a stee, test 3,oc5@ t*o press.re
ga.ges@ t*o s+.to// a,es@ t*o so,enoi2 a,es@ an2 t+ree nee2,e a,es
Eac+ asse03,9 is arrange2 into t*o c+anne,s4 T+e asse03,ies@ 0o.nte2
on t+e goernor pe2esta,@ are connecte2 to press.re s*itc+es 0o.nte2 in a
DOCUMENT NO.: 71.H156-7E04 Page % o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
near39 ter0ina, 3o<4 $n ori/ice is proi2e2 in eac+ c+anne, so t+at t+e
0eas.re2 para0eter is not a//ecte2 2.ring testing4 $n iso,ation a,e on
t+e s.pp,9 si2e a,,o*s t+e test 3,oc5 asse03,9 to 3e serice2 *it+o.t
conta0inating t+e rest o/ t+e s9ste04
Certain 2ri,,e2 passages are per0anent,9 p,.gge2 *it+ pipe p,.gs in
t+e 3earing oi, an2 con2enser ac..0 3,oc5s an2 *it+ a straig+t
t+rea2e2 p,.g an2 O:ring in t+e E# /,.i2 3,oc54 T+ese p,.gs are
per0anent an2 s+o.,2 not 3e re0oe2 at an9 ti0e4 In or2er to rep,ace an9
co0ponent on t+e 3,oc5 ot+er t+an a press.re ga.ge@ it *i,, 3e necessar9to /irst c,ose t+e iso,ation a,e an2 t+en 3,ee2 t+e 0e2i.0 /ro0 t+e
3,oc5 39 opening t+e 0an.a, test a,es4 D.ring rep,ace0ent ens.re t+at
t+e appropriate c,eaning@ /,.s+ing /,.i2 care an2 +an2ing proce2.res@ etc4
are /o,,o*e24 T+e press.re s*itc+es an2 press.re ga.ges can 3e iso,ate2
/ro0 t+e s9ste0 39 c,osing t+e appropriate s+.to// a,es4 T+ese a,es
s+o.,2 not 3e c,ose2 .nti, a/ter t+e 0e2i.0 in t+e 3,oc5 +as 3een
re,iee24 Ens.re t+at a,, s+.to// a,es are reopene2 prior to ,atc+ing t+e
a.to stop4
I/ t+e 0e2i.0 6press.re or ac..07 reac+es a trip ,ee,@ t+en t+e
press.re s*itc+es *o.,2 /.nction an2 ca.se t+e a.to:stop e0ergenc9 trip
+ea2er to trip4 W+en testing@ t+e 0e2i.0 is re2.ce2 to t+e trip ,ee, in
t+at c+anne, eit+er ,oca,,9 t+ro.g+ t+e +an2 test a,es or re0ote,9 /ro0
t+e trip test pane, ia t+e test so,enoi2 a,es4
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
THRUST $E*RING TRIP TEST DE'ICE
Position pic5.ps@ *+ic+ are part o/ t+e t.r3ine s.perisor9 instr.0ent
pac5age@ 0onitor 0oe0ent o/ a 2isc 0o.nte2 on t+e rotor near t+e
t+r.st 3earing co,,ar4 $n9 a<ia, 0oe0ent o/ t+is co,,ar *i,, a,so 3e
re/,ecte2 in 0oe0ent o/ t+e 2isc4 E<cessie 0oe0ent o/ t+e 2isc is an
in2ication o/ t+r.st 3earing *ear4 S+o.,2 e<cessie 0oe0ent occ.r@
re,a9 contacts /ro0 t+e s.perisor9 instr.0ent 0o2.,es c,ose to e//ect a
t.r3ine trip4
$ test 2eice TBS1@ TBS! on *+ic+ test circ.its@ can test t+e t+r.st
3earing trip /.nction4 T+ese circ.its si0.,ate a trip con2ition4
EMERGENCY TRIP CONTRO((ER C*$INET
T+e t*o ro*s o/ PLC 0o2.,es 0a5e .p t*o separate PLCs? t+e 0ain
PLC 6MPLC7 an2 t+e 3ac5.p PLC 6BPLC74 T+ese PLC 0o2.,es .se
inte,,igent tripping ,ogic necessar9 to proi2e acc.rate an2 precise t.r3inetripping4 Eac+ PLC co0prises t+e processor 0o2.,e 6CPU7 an2 t+e IAODOCUMENT NO.: 71.H156-7E04 Page ( o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
inter/ace 0o2.,es4 T+e CPU contains t+e tripping ,ogic *+i,e t+e IAO
inter/ace 0o2.,es proi2e inter/ace capa3i,it9 4T+e top processor ro*
0a5e .p MPLC4 MPLC proi2es a,, t+e tripping@ a,ar0@ an2 testing
/.nctiona,it94 T+e 3otto0 processor ro* is BPLC4 T+is is a re2.n2ant
PLC .nit@ *+ic+ inc,.2es t+e tripping@ an2 a,, /.nctiona,it9 to a,,o*
contin.e2 operation an2 protection i/ eit+er PLC /ai,s4 ETS *i,, proi2e
a,, tripping an2 /.nctions i/ on,9 t+e ot+er PLC is operating4
Eac+ o/ t+ree tac+o0eter@ *+ic+ are acc.rate to *it+in A:1 rp0@
2igita,,9 processes inp.t signa,s /ro0 separate 0agnetic spee2 pic5.psan2 pic5 .p or 2rop o.t re,a9s *+en t+e spee2 e<cee2s t+e re,a9 set point4
T*o spee2 set points 6SP1:SP!7 trigger t*o separate re,a9s in eac+
tac+o0eter to proi2e in2ication o/ r.nning spee24 SP1 is ca,,e2 t+e
nor0a, oerspee2 set point an2 it is t9pica,,9 set at 118 percent o/ rate2
spee24 SP! is ca,,e2 t+e e,eate2 oerspee2 set point an2 it is t9pica,,9 set
at appro<i0ate,9 11% percent o/ rate2 spee24 SP! proi2es a 3ac5.p /or
SP1 an2 ena3,es t+e testing o/ t+e 0ec+anica, oerspee2 *+en SP1 is
2isa3,e24 T+ree 0agnetic re,.ctance sensor pic5.ps proi2e t+e inp.t /or
spee2 sensing4 T+ese t+ree sensors are p,ace2 oer gear teet+ on t+e sa0e
.nit4
T+e ,ocation o/ t+e sensors can 3e ar3itrar9 in t+at t+e9 0a9 or 0a9
not a,, 3e on t+e sa0e gear ro*4 $n9 n.03er o/ gear teet+ 6.p to !887 can
3e acco00o2ate2 at eac+ pic5.p ,ocation@ as t+e spee2 tac+o0eter set
points are progra00e2 to /actor in t+e n.03er o/ teet+4 T+ree operationa,
tac+o0eters are re=.ire2 /or t+e ETS as t+e PLC ,ogic 2ictates t+at t*o
o.t o/ t+ree tac+o0eters 0.st report an oerspee2 con2ition 3e/ore a
t.r3ine trip *i,, occ.r4 T+is sa/eg.ar2 preents a /a.,t9 sensor o/
tac+o0eter /ro0 ca.sing an ina,i2 t.r3ine trip or preenting a a,i2
t.r3ine trip4Ter0ina, 3arrier strip 3,oc5s proi2e si0p,e an2 2.ra3,e c.sto0er
DOCUMENT NO.: 71.H156-7E04 Page ) o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
connections4
T+e $C po*er 3o< re=.ires t*o in2epen2ent $C po*er so.rces4 I/
one $C po*er so.rce /ai,s@ t+e .nit *i,, contin.e .ninterr.pte2 operation4
USER INTER+*CE O'ER'IEW
T+e Operator Test Pane, can 3e 0o.nte2 on t+e /ront 2oor o/ t+e
ca3inet or in t+e contro, roo0 /or re0ote 0onitoring4 T+e User inter/ace
Pane, proi2es a si0p,e an2 2.ra3,e 0eans to connect into t+e e<terna,
2eices4 T+e ETS User inter/ace Pane, co0prises /or &8:circ.it ter0ina,
3arrier strips4 T+e strips are i2enti/ie2 as U1@ U!@ U" an2 U%@ in or2er@
/ro0 t+e top to t+e 3otto0 o/ t+e inter/ace pane,4 T+e ter0ina, strips proi2e connections to t+e /o,,o*ing 2eices?DOCUMENT NO.: 71.H156-7E04 Page - o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
Po*er inp.t /ro0 t*o in2epen2ent $c so.rces to t+e ETS .nit
Signa,s /ro0 t+ree separate spee2 pic5.ps
Po*er to trip so,enoi2s
Press.re s*itc+es 0onitoring trip con2ition
Press.re s*itc+es to 0onitor t+e con2ition o/ ita, t.r3ine operating
s9ste0s s.c+ as 3earing oi, press.re@ E# /,.i2 press.re@ an2 con2enser
ac..0
T+r.st 3earing position sensors
Test so,enoi2 contro, to c+ec5 operationa, stat.sO.tp.t signa,s to so.n2 e<terna, 6p,ant7 a,ar0s *+en ETS 2etects a
/a.,t contro,
Re0ote tripping capa3i,it9 to proi2e t*o e<terna, inp.ts to a,,o* t+e
.nit to 3e trippe2 0an.a,,9 or@ *+en tie2 into ot+er 0onitors@ trippe2
a.to0atica,,94
OPER*TING INSTRUCTIONS
Use t+e /o,,o*ing proce2.res to operate t+e ETS4 T+ese proce2.res
ass.0e t+at a,, inter/ace connection +ae 3een *ire2 an2 eri/ie24
Po,e#-n" U. the ETS
14 Connect t*o in2epen2ent $C so.rces to t+e proper ter0ina,s on $C
BOF4
!4 T.rn t+e po*er s*itc+es ON4
"4 Latc+ t+e t.r3ine *it+ t+e appropriate e<terna,,9 s.pp,ie2 signa,4
%4 Veri/9 t+e Operator Test Pane, 2isp,a9s no a,ar0 con2ition4 I/ not@
2eter0ine t+e nat.re o/ t+e a3nor0a, con2ition an2 correct as
appropriate4
&4 Veri/9 t+at@ as t+e t.r3ine spee2 increases@ t+e tac+o0eter 0eters arereporting a re,atie spee2 increase an2 are appro<i0ate,9 e=.a, inDOCUMENT NO.: 71.H156-7E04 Page o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
a0p,it.2e4
O.e#ato# Te/t Pane De/1#-.t-on
'ig.re &4 Operator Test Pane, 6Page 17T+e .pper portion o/ t+e Operator Test Pane, contains t*o ro*s o/
eig+t ,egen2 ,ig+ts@ *+ic+ are .se2 to in2icate /a.,t con2itions4 T+e/o,,o*ing is a ,isting an2 e<p,anation o/ eac+4
14 C#41 TRIPPED:T+is ,ig+t ,ig+ts *+en press.re s*itc+ (":1A$SP
contact opens 2.e to increasing press.re in t+e a.tostop pi,ot trip +ea2er
6$SP7 in2icating a t.r3ine Channel 1 trip or *+en press.re s*itc+ (":
1A$ST contact opens 2.e to 2ecreasing press.re in t+e a.tostop trip
+ea2er 6$ST7 in2icating t.r3ine trip4
!4 C#4! TRIPPED:T+is ,ig+t ,ig+ts *+en press.re s*itc+ (":!A$SPcontact opens 2.e to 2ecreasing press.re in t+e a.tostop pi,ot trip 6$SP7DOCUMENT NO.: 71.H156-7E04 Page 18 o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
+ea2er in2icating a t.r3ine Channel 2 trip or *+en press.re s*itc+ (":
1A$ST contact opens 2.e to 2ecreasing press.re in t+e a.tostop trip+ea2er 6$ST7 in2icating t.r3ine trip4
"4 BPLC '$ULT:T+is ,ig+t ,ig+ts *+en t+ere is a /a.,t in BPLC or it +as
cease2 r.nning4
%4 $C POWER '$ULT H1:T+is ,ig+t ,ig+ts *+en Po*er S.pp,9 H1 +as a
/a.,t in its $C po*er4
&4 $C POWER '$ULT H!:T+is LIG#T ,ig+ts *+en Po*er S.pp,9 H! +as
a /a.,t in its $C po*er4
(4 DC POWER '$ULT H1:T+is ,ig+t ,ig+ts *+en Po*er S.pp,9 H1 +as a
/a.,t in its DC po*er4
)4 DC POWER '$ULT H! : T+is ,ig+t ,ig+ts *+en Po*er S.pp,9 H1 +as a
/a.,t in its DC po*er4
-4 'IRST SIGN$L : T+is ,ig+t ,ig+ts *+en the first trigger signal
aeare!
4On t+e ,o*er portion o/ t+e pane, is a /.nction 5e9pa2 .se2 /or
testing an2 s9ste0 2iagnostics4 T+e /o,,o*ing is an e<p,anation o/ eac+
5e94
14 TEST MODE:to p.t t+e s9ste0 in t+e test 0o2e@ *+ic+ is in2icate2 39
t+e ,ig+t 3eing ,ig+te24
!4 $LM CLR : to reset t+e a,ar0@ c,ear contact so t+at t+e s9ste0 can
2etect *+en a ne* a,ar0 con2ition occ.rs4
"4 ELEV OS : to enter t+e e,eate2 oerspee2 trip setpoint 0o2e4 $/ter
t+is 5e9 is se,ecte2@ t+e ,ig+t a3oe t+is /.nction 5e9 is ,it *+en t+e
e,eate2 oerspee2 setpoint is actiate24 Pressing t+e ESC$PE 5e9 *+i,e
t+e ,ig+t is ,it 2eactiates t+e e,eate2 oerspee2 setpoint 0o2e4%4 $CTIVTE:to actiate t+e testing o/ t+e test /.nction t+at +as 3eenDOCUMENT NO.: 71.H156-7E04 Page 11 o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
se,ecte24 Test actiation on,9 occ.rs *+i,e t+is 5e9 is p.s+e24 Once
re,ease2@ t+e testing is 2eactiate24 T+e ,ig+t a3oe t+is /.nction 5e9
,ig+ts *+i,e test actiation occ.rs4
&4 OVSP C#41@ C#4!@ C#4"@ 5e9s : to se,ect oerspee2 c+anne,s /or
testing4 I/ t+e test 0o2e is entere2 prior to se,ecting one o/ t+ese 5e9s@ t+e
test o/ t+at c+anne, *o.,2 3e actiate2 39 press.re t+e test actiate 5e94 I/
t+e test 0o2e is not entere2 prior to se,ecting one o/ t+ese 5e9s@ t+e
2isp,a9 *i,, si0p,9 in2icate t+e stat.s o/ t+e oerspee2 c+anne,s4
(4 LP 5e9 to se,ect ,o* E# press.re /or testing4)4 LBO 5e9 : to se,ect ,o* 3earing oi, press.re /or testing4
-4 LV 5e9 : to se,ect ,o* con2enser ac..0 /or testing4
4 RESET : to reset t+e trips@ proi2e2 t+e ("A$ST is energi;e2@
in2icating t+e t.r3ine is ,atc+e24
184 ESC$PE : to escape /ro0 t+e test 0o2e4 It *i,, a,so reset t+e trips@
proi2e2 t+e ("A$ST is energi;e2@ in2icating t+e t.r3ine is ,atc+e24
114 P$GE ! : to c+ange to P$GE ! on t+e Operator Test Pane,4
1!4 P$GE " : to c+ange to P$GE " on t+e Operator Test Pane,4
DOCUMENT NO.: 71.H156-7E04 Page 1! o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
'ig.re (4 Operator Test Pane, 6Page !7
'ig.re )4 Operator Test Pane, 6Page "7
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SYSTEM INSTRUCTION HPGC: 2X300MW
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U/-n" the O.e#ato# Te/t Pane
T.r3ine tripping occ.rs *+en one sensor /ro0 eac+ c+anne, is in an
a,ar0 state /or t+e /.nction o/? ,o* E# press.re@ ,o* 3earing oi,@ an2 ,o*
con2enser ac..0 or *+en t*o sensors /ro0 t+e t+ree oerspee2
c+anne,s in2icate a a,i2 oerspee24
S9ste0 a,ar0 contacts proi2e e<terna, reporting o/ oera,, a,ar0
con2itions4 T+e contact in2icates *+eneer an a,ar0 con2itions is actie44
T+e $LM CLR 5e9 *i,, store t+e state o/ an a,ar0 an2 ena3,e 2etection
o/ ot+er a,ar0s4 Once t+e ca.se o/ an a,ar0 con2ition is reso,e2 t+ea,ar0 *i,, c,ear itse,/4
Te/t-n" T#-..-n" +un1t-on/ #o the O.e#ato# Te/t Pane
14 Enter t+e test 0o2e 39 press.re t+e TEST MODE 5e9 on t+e 5e9pa24
!4 Press t+e /.nction 2esire2 to 3e teste24 6E<a0p,e? Lo* E# /,.i2
press.re74
"4 Press t+e TEST C#$NNEL 5e9 correspon2ing to t+e c+anne, 61 or !7
to 3e teste24
%4 Press an2 +o,2 t+e $CTIVE 5e94
&4 Veri/9 t+at t+e 2isp,a9 pane, is 2isp,a9ing t+at t+e sensors@ /or t+e
teste2 c+anne,@ are in an a3nor0a, 617 state4
(4 Veri/9 t+at t+e ,egen2 ,ig+ts in2icate t+e c+anne, 3eing teste2 is trippe24
)4 Press RESET 5e9 to reset t+e trippe2 c+anne,4
-4 Veri/9 t+e sensors +ae ret.rne2 to a nor0a, 617 state4
4 Veri/9 t+e c+anne, 3eing teste2 is no ,onger trippe24
184 I/ testing is co0p,ete2@ press t+e ESC$PE 5e9 to e<it test 0o2e4
NOTE
Un,ess t+e c+anne, trip is reset@ t+e ot+er c+anne, cannot 3e teste24
T+is 2esigne2 sa/et9 inter,oc5 preents 3ot+ c+anne,s 3eing trippe22.ring t+e test 0o2e an2 ca.sing an ina,i2 t.r3ine trip4DOCUMENT NO.: 71.H156-7E04 Page 1% o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
Te/t-n" Oe#/.eed +un1t-on/ #o the O.e#ato# Te/t Pane
14 Enter t+e test 0o2e 39 pressing t+e TEST MODE 5e9 on t+e 5e9pa24
!4 Press t+e OVSP C#4 5e9 correspon2ing to t+e oerspee2 c+anne, 61:"7
to 3e teste24
"4 Press an2 +o,2 t+e $CTIVE 5e9 on t+e 5e9pa24
%4 Veri/9 t+e Operator Test Pane, in2icates an oerspee2 trip /or t+e
c+anne, 3eing teste24
&4 Veri/9 t+at t+e appropriate trip c+anne, is trippe2 6c+anne, 1 /oroerspee2 test o/ c+anne, 1 or " c+anne, ! /or oerspee2 test o/ c+anne,
!74
(4 Press t+e RESET 5e9 to reset t+e trippe2 c+anne,4
)4 Veri/9 t+at t+e teste2 trip c+anne, is no ,onger trippe24
-4 Testing is co0p,ete24 Press t+e ESC$PE 5e9 to e<it t+e test 0o2e4
D-/ab-n" No#a Oe#/.eed
T+is proce2.re ena3,es testing o/ t+e 0ec+anica, oerspee2
protection o/ t+e t.r3ine e=.ip0ent *it+o.t inter/erence /ro0 t+e nor0a,
oerspee2 setpoint trip4
14 Press t+e TEST MODE 5e94
!4 Press t+e ELEV OS 5e94
"4 T+e e,eate2 oerspee2 ,ig+t *i,, ,ig+t in2icating t+e nor0a, oerspee2
+as 3een 2isa3,e24
%4 W+en 0ec+anica, oerspee2 testing is co0p,ete2@ press t+e ESC$PE
5e9 to re:ena3,e t+e nor0a, oerspee2 setpoint4
+aut Toe#an1e
T+e ETS proi2es acc.rate an2 tr.e t.r3ine trip generation in t+eeent o/ co0ponent /ai,.re4 Neit+er *i,, an ina,i2 t.r3ine trip 3eDOCUMENT NO.: 71.H156-7E04 Page 1& o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
generate2 nor a a,i2 t.r3ine trip ignore2 2.e to /ai,.re o/ an9 one
co0ponent4 T+ese co0ponents inc,.2e?
$C po*er so.rce
DC po*er s.pp,9
$n a,ar0 con2ition@ *it+ t+e appropriate 0essage 2isp,a9e2 on t+e
operator test pane,@ *i,, 3e in2icate2 /or t+e /o,,o*ing?
,oss o/ one po*er s.pp,9 or $C so.rce
,oss or s+.t2o*n o/ one progra00a3,e contro,,er processor
,oss o/ one or 0ore pic5.p signa,s or spee2 trans2.cer o.tp.ts one spee2 trans2.cer in2icating an oerspee2 con2ition@ *+en t+e
spee2 c+anne, is not 3eing teste24
trip con2ition *it+in one trip 3,oc5 c+anne,
spee2 pic5.p
spee2 pic5.p connection
spee2 trans2.cer
progra00a3,e contro,,er processor
progra00a3,e contro,,er IAO 0o2.,e
press.re sensor
sensor connection
Operator Test Pane,
*a# Cond-t-on
$n a,ar0 con2ition@ *it+ t+e appropriate 0essage 2isp,a9e2 on t+e
Operator Test Pane,@ *i,, 3e in2icate2 /or t+e /o,,o*ing?
,oss o/ one po*er s.pp,9 or $C so.rce
,oss or s+.t2o*n o/ one progra00a3,e contro,,er processor
,oss o/ one or 0ore pic5.p signa,s or spee2 trans2.cer o.tp.ts
one spee2 trans2.cer in2icating an oerspee2 con2ition@ *+en t+espee2 c+anne, is not 3eing teste24DOCUMENT NO.: 71.H156-7E04 Page 1( o/ 1)
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
trip con2ition *it+in one trip 3,oc5 c+anne,@ *+en t+e c+anne, is not
3eing teste24
a3nor0a, press.re s*itc+ in2ication /ro0 one or 0ore press.re
s*itc+es@ *+en not 3eing teste2
T#-. Cond-t-on/
Once t+e ETS contro,,er 2eter0ines a a,i2 t.r3ine trip con2ition is
present@ it 2isp,a9s an appropriate 0essage on t+e Operator Test Pane,
an2 si0.,taneo.s,9 re0oes po*er /ro0 a,, /o.r trip so,enoi2s4 Latc+ingo/ t+e trips re0ains .nti, t+e t.r3ine is re,atc+e24 Trip /.nctions are
initiate2 .n2er t+e nor0a, an2 test 0o2es /or t+e /o,,o*ing con2itions?
,oss o/ 3ot+ $C so.rces
,oss o/ 3ot+ DC po*er s.pp,ies
,oss o/ 3ot+ progra00a3,e contro,,er processors4
s+.t2o*n o/ 3ot+ progra00a3,e contro,,er processors
at ,east t*o o/ t+ree spee2 trans2.cers in2icating an oerspee2
con2ition
at ,east one o/ t+e press.re s*itc+ contacts is open in eac+ o/ t*o test
3,oc5 c+anne,s /or ,o* 3earing oi,
at ,east one o/ t*o press.re s*itc+ contacts is open in eac+ o/ t*o test
3,oc5 c+anne,s /or ,o* E# press.re4
at ,east one o/ t*o press.re s*itc+ contacts is open in eac+ o/ t*o test
3,oc5 c+anne,s /or eac+ ,o* ac..0 ;one4
at ,east one o/ t*o TSI t+r.st 3earing contact c,os.res /or e<cessie
t+r.st 3earing *ear4
at ,east one o/ re0ort trip contacts c,os.res /or re0ort trips4
ETS COMP*TI$I(ITY
T+e ETS is 2esigne2 to *or5 *it+ t+e /o,,o*ing e=.ip0ent?
TRIP B,oc5@ inc,.2ing so,enoi2s !8:1A$ST@ !8:1A$ST@ !8:"A$ST@ an2
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SYSTEM INSTRUCTION HPGC: 2X300MW
Deenbandhu Chhotu RaTPP! Yaunana"a#
!8:%A$ST an2 press.re s*itc+es (":1A$SP@ (":!A$SP an2 (":1A$ST4
Test B,oc5 /or ,o* 3earing oi,@ inc,.2ing press.re s*itc+es (":1ALBO@
(":!ALBO@ (":"ALBO an2 (":%ALBO an2 so,enoi2s !8:1ALBO an2 !8:
!ALBO4
Test B,oc5 /or ,o* E# press.re@ inc,.2ing press.re s*itc+es (":1ALP@
(":!ALP@ (":"ALP an2 (":%ALP an2 test so,enoi2s !8:1ALP an2 !8:!ALP4
Test B,oc5 /or ,o* ac..0@ inc,.2ing press.re s*itc+es (":1ALV@ (":
!ALV@ (":"ALV an2 (":%ALV an2 test so,enoi2s !8:1ALV an2 !8:!ALV4
T+r.st Bearing apparat.s@ inc,.2ing t+r.st 3earing position sensorcontacts RP1 an2 RP! an2 test so,enoi2s !8:1ARPGOV@ !8:1ARPGEN@
!8:!ARPGOV@ !8:!ARPGEN4
T*o in2epen2ent so.rces o/ !%8 sing,e:p+ase $C po*er4
P*RTS (IST
ETS Contro, Ca3inet
: Enc,os.re
: T*o progra00a3,e contro,,ers *it+ IAO
: Digita, inp.t 0o2.,e
: Digita, O.tp.t 0o2.,e
: T*o !%VDC po*er s.pp,ies
: T+ree:spee2 trans2.cers
: T+ree:RPM in2icators
: 'o.r ter0ina, 3arrier strips /or e<terna, connections
: $,, interna, connecting *iring an2 0o.nting +ar2*are
: Brea5er an2 /.ses /or $C an2 DC po*er
Operator Test Pane,
DOCUMENT NO.: 71.H156-7E04 Page 1- o/ 1)