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LOW POWER A(.ARM POINT LOW POWER SET POINT NUMAC RWM Cl2-J6eall CR iC6i3A CR i6i3ii ltJI REF 14 STEAM FLOW 11*
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lil!.I.ti:..
: 1.
ALL EQUIPMENT ANO INSTRUMENTS ARE ~RH IHO HY SYSTEM NO. C 33-UNLESS OTH~RWISE NOT&#xa3;0.
Z.
l llMSMITTEO VIA OIGITAl. OATA LINC
: 3.
DEVICES K624A,B&C TRIP CONTACTS TO BE WIRED SO THAT 2 OUT OF 3 DEVICES HUST TRIP TO INITIATE MA IN TURBIWE STEAM STOP V~LVE ~ HlDWATER PlJM P TRIP.
Al73'5 TOTA(.
STM FLOW Fw LINE *9*
TEMP A1713 FEEOWATER FLOW "A* INLET t"-----,
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....QL Tl64A ~
~rii 4 ltJI REF 14 HOTES CONJ.
FW LINE "A" TEMPERATURE B.
FEEDWATER FLOW INTrCRhT ION IS AVA I LA8LE VIA N5$$
COMPUTER.
FEEOWATER FLOW 'A" INLET
: 9.
INDEPENDENT ALARM Ul'/IT RELAYS OR INTERPOSING RELAYS TO BE PROVIDED TO ENSURE SEPARATION or RECIRC LOOP A CONTROL CIRCUIT FROM LOOP B,
: 10.
DELEIED Al714 FEEOWATER FLOW 11* INLET t"-----,
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K~B rP 4 ltJI REF 14 FEEOWATER FLOW V INLET 15*83 REF 14 TOTAL FEEOWATER FLOW I
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CNOTE 2l HlliH POWER CONTROLLER OUTPUT r
r RCS LOOP A/8 RCS LOOP A/8 LFMG TRANSFER MAIN RECIRC VA(.VE cPOwER INTERLDCKI LOW PWR & NPSH INTERLOCK CNOTE 'II CNOTE 'II 0007.222-001-002 REFERENCE QRAWINGS*
MPL ITEM NO f~~~1N~~~CE?oJ~Z~tHVEL TRIP CHl<NNELS MUST BF: FROM THE POWER SOURCE FOR THE FEEDWATER INSTRUMENTATION ANO COllTROl SYSHM SHALL HAVE AT LEAST THE SAME DEGREE OF RELIABILITY AS THE POWER SOURCE FOR THE REACJOR FEED/
BOOSTER/CONO(NSA TE PUMPS.
: 11.
FOR LOCATION AHO IDENTIFICATION OF INSTRUMtNTS. SH INSTRUMENT DATA SHEET, REF 10.
FIGURE 7. 7-8 I.
FEEOWATER CONTROL SYSTEM DESIGN SPEC ---
t?.3-4010
: 2.
NUCLEAR BOILER SYS P&ID ------- ---*--*-*
BZZ
* IOIO
: 3.
REACTOR RECIRCULATION SYSTEM HD*------
B:lS--1020
: 4.
CONTROL ROD DRIVE HYDRAULIC SYS rco ----
Cl2-1030
: 5.
FEEDWATER SYSTEM P&IO - --------*----- ---*** BY OTHERS(NOTE13l
: 6.
MA IN TURBINE GENERATOR TRIP LOGIC ELEM---* BY OTHERS{NOTE13l
: 7.
PR&#xa3;0P T[ST SPLC.lFIC~TION*- --- - ----*-- ---1\\13 -3421 8.
PIPIN(, f INSTRUMENT SYMGOLS----------- A42*1010
: 9.
INSTRUMENT SYMBOLS --------*-----*---*--*-* A42*1020
: 6.
CUSTOMER TO PROVIDE A CIRCUIT BREAKER AUXILIARY CON-TACT FROM EACH REACTOR FEEOPUHP CIRCUIT BREAKER.
GE TO PROVIDE AUXl).IARY RELAY LOGIC FROM CUSTOMER (AE C.B AUXILIARY CONTACTS ANO CONTACTS FROM CR/K623 (HJ TO INITIATE INDEPENDENT RUHBACK OF REACTOR REC IRC SYSTEM IN EVENT OF A 1 OUT or 2 RF PUMP TRIP.
: 7.
DELETED
: 12.
FOR IND ICATING INSTRUMENTS ANO TRANSMITTER RANGES SEE INSlRUHEIH OATA SHEET (NOTE It l.
: 13.
REFERENCED DOCUMENTS 5 & 6 ARE TO BE SUBMI TTED TO GE (APED J BY THE CUSTOHER/AE FOR APED DESIGN COHPLE-T ION.
15 ATWS SWITCM TO MANUAL CONTROL AND VALVE CLOSURE.
llO DELETED II HIC',H $!GIJALL11fl!TER 1$ E!>!A5LED DURING THE toNCURRENC.E OF FEEOWATER CONTROL SYSTEM
: 10. INSTRUMENT Oil.TA. SHEET-- -------- C.3'3-305"0 II.
REACTOR RECIRCULA'TION SYSTEi.M l ED---- 635-1010 12 REDUNDANT REACTIVITY CONT S'l'.S FCD - - - - -
- C22
* 1050 13 EMERGENCY RESPONSE FACILITV-----BY OTHERS A TURBINE TRIP AWD VJW FEEDPUM? &JC.TO~ PRESSURE CllNDITl<l* 01.\\l'f.
UJ.llfER WILL BE BYPJ\\S$EO DURING AMY OrHE.R MORl'llAL OPERATll-IG CO~DlTION.
NINE MILE PO INT-UN IT
: 14.
1'"1311-JeERlf\\15 Tl:fff AllD INFO e>YG eD - -
- _cee-1050 2
: 15. RC!C FCD -- ----*- - --- ---- - -- ESl-1030 IB MAIN TUf\\BJNE STOP VALVE TRIP CAN BE INITIAT ED BY EITHER 2 OlH OF 3 HIGH CHANNEL LEVEL DETECTION (SE&#xa3; NOTE 3 ABOVE)
OP. BY THE INITIATION OF 'P.CIC TUP,BIN E OPEP,ATION.
UPDATED SAFETY ANALYSIS REPORT L
USAR REVISION 25 OCTOBER 2022 _J E CP-17-000688-MU-150 0007222001002-001-04.00 _R evO.dgn 9/2812022 11 :30:40 AM
 
~
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STEAM PRESSURE SPEED-LOAD --a-i SET POINT 8
LOAD DEMAND SIGNAL TURBINE SPEED*LOAD GOVERNOR
~
f 4' PRESSURE REGULATOR 0
PRESSURE CONTROL SIGNAL LOW VALUE GATE 0
FLOW LIMIT SIGNAL i-....
0 d
BYPASS VALVES CONTROL VALVE POSITION DEMAND SIGNAL TO TURBINE FLOW LIMITER I
.._ CONTROL VALVES FIGURE 7.7-9 SIMPLIFIED DIAGRAM PRESSURE CONTROL SYSTEM NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 FINAL SAFETY ANALYSIS REPORT
 
L Speed Pickup 1 Speed Pickup 2 Speed Pickup J Median Seleclor
-1 l
_,Spe-ed.......... "--~?\\1_,.
~
\\
Speed Error Speed
, J Conlroller (off*line)
Speed~
Regula lion Con*line>
Breaker Load Limils Flow Limil f 1
+
~
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*--~~~\\.~ l.
:.. _]
1
\\:
Ooud I
~~N~~1 --i-:i---
Speed Load Conlrol Flow Demond Load Demond Load Bias Throllle Pressure A ~-~~~M
~d. -}-
e ion Throllle Pressure B ~-=~
Seleclor l
Throllle Pressure C.....J *L--~~
Pressure N--4 Regulator Flow
)-. {--;:;;-
'}
Pressure I....,_
_:~lroller
----}-
L Throllle Throttle Pressure Pressure j --1l,.,.,.. 2 8--
Notch Faler 1
~,.l ~----~
~-KU l.h,/'q Pressure Demond CV Flow Demond Demond FIGURE:
CV Control Bypass Control 7.7-10 SIMPLIFIED DIAGRAM TURBINE PRESSURE AND SPEED CONTROL REQUIREMENTS LOAD NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 23 OCTOBER 2018
 
+VOLTAGE
+VOLTAGE J_
_CONTACT 1 MEG OHM~
COIL(>
1000 OHM ~ RECORDER RECORDER TYPICAL RECORDER CONNECTIONS
+VOLTAGE 1 INITIATING
-DEVICE RECORDER.l
---~T1 ',, '
::::1//
..A-LOGIC RELAY TYPICAL TEST SET-UP FIGURE ?A. 1-1 TYPICAL RECORDER CONNECTIONS AND TEST SET UP NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVTSION 0 APRii. I CJB9
 
HI-POT 5 KV 2.sma
----cac:o-=i1::1 ___ c:::.11;1 _
SIG RET I
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s:::a..
ISOLATOR CARDS 1111-c:J 1::3 1111 GZa. S2-CCI -
a:m.J I !Cl; Ul!ll 1::1129 a::D 1%1 am 1C1 CCI """' c::I 1':I FIGURE 7A. l-2 TYPICAL TEST CONFIGURATION FOR OPTICAL ISOLA TORS NIAGARA MOHAWK POWER CORPORATIO~
NINE MILE POINT -UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989
 
HI-POT
/
ISOLATOR HOUSING r-----------*
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SIG RET I
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_______________.J
~
ISOLATOR CARDS FIGURE 7A. l-3 TYPICAL TEST CONFIGURATION FOR OPTICAL ISOLATORS NIAGARA MOHAWK POWER CORPORATIO~
NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989
 
(
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NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT -UNIT 2 UPDATED SAFETY ANALYSIS REPORT I USAR REVISION 0 APRIL 1 Sl89
 
9 U.
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J FIGURE 7A.1-5 ISOLATOR ASSEMBLY (CASTING)
NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989
 
__ '_SOLATORHOUSING
------1>~>----
FUSE SOURCE 8 =STORAGE OSCILLOSCOPE
)>---
TEST INPUT
: 4.
-~~>------....
___.,.~)
I FUNCTIONAL OUTPUT FIGURE 7 A.1-6 TYPICAL CONFIGURATION NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989
 
_______________... L..._ __
'SOLATOR HOUSING
----~~~-
FUSE SOURCE
--...~>---
TEST INPUT 0 "'STORAGE OSCILLOSCOPE
~
FUNCTIONAL OUTPUT FIGURE 7A. l-7 TYPICAL CONFIGURATION NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989
 
....,.~,_.._-
---.~)lo.--
FUNCTIONAL INPUT 0 = STORAGE OSCILLOSCOPE L ISOLATOR HOUSING
~
TEST OUTPUT
)
/
FUSE SOURCE FIGURE 7A. 1-8 TYPICAL CONFIGURATION NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989
 
---..... ~~-
- -..... ~>------
FUNCTIONAL INPUT 0 = STORAGE OSCILLOSCOPE
_/
;-~SOLATOR HOUSING
~
TEST OUTPUT
).,,___ ___ _
~
: 7.
FUSE SOURCE FIGURE 7A. 1-9 TYPICAL CONFIGURATION NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989
 
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Latest revision as of 19:52, 2 January 2025

5 to Updated Final Safety Analysis Report, Chapter 7, Figures
ML22292A063
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Issue date: 10/05/2022
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FIGURE 7.7-6 G ~ .., ~ \\.fl;,..a'-llUJI ~::'luj ~ REACTOR RECIRCULATION SYSTEM SHEETS OF 7 NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 FINAL SAFETY ANALYSIS REPORT AMENDMENT 23 DECEMBER 1985

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l FIGURE 7.7-6 REACTOR RECIRCULAT!OU SYSTEM FCD SHEET 7 OF 7 l~IAGA P "- MOHAWK POWER COPPORA TliJl*l NINE MILE POINT-UNIT 2 UPDATED SAFETY ANA LYSIS RE?O~T USAR REVISION 0 APRIL 1geg

APAM-- ISOLATION AMPLIFIER AND FILTER MANUAL fRANSfER STATION LIMITER I -1lL~ ~0 FLUX DEMAND I FLUX DEMAND ERROR r-----~-----------~ I I I LIMITER %~ FLUX CONTROLLER I EAAOR LIMITER TOTAL DRIVE If MANUAL* FLOW DEMAND AUTO I TRANSFER I STATION L _________________ _J LOOP A + 1-----~~ LOOPB 1 LOOP A SENSED FLOW r-I ~~P' L~./I. 1-.--, I ""~ I I I MANUAL* I FUNCTION GENERATOR I I AUTO I TRANSFER I ~_____..., L---- STATION CONTROL VALVE A POSITION ER cQfrl---_____. FIGURE 7.7-7 FLOW CONTROL SYSTEM BLOCK DIAGRAM NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989

( REACTOR PRESSURE I NARROW RANGE WATER LEVEL ---------~~ ......... ~~~~~~~~~~~~~-~ I FEEOWATER I - I - ...... TE"'-M FLOW ---------------.!11C--- TEMPERATURE --;>""""41&--- FE.EDWATER FLOW ---------11... ~1 I I I I I I ~~rt I~ 1N00.5 1RE.> 2 ISH ~ ~ ~ I LP I 1.-P I LP

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1 -L6' K~C Sl~L HIGH LE:i~ I I I IREF015.SH.I> i ~~~-----~----------:-------~------i- ~~L~~~ CNOTE I I I I 181r-L----------------..! I I I I I I t I t I I I 'r:Jrt. Ii'tl' 1~ i FEEDWATER B' 0 1 Bl 1 PUMl> TRIP 2FWS 2FWS I CREF 51 CR I _£!!_ Ill A I/I CR .~ itr+-1 .~ ltr~::_t-s\\**~A-t..,,il J;, I I I I C8Y OTHERSI I C8Y OTHERS> C8Y OTH[RSI I I I I I I I I I I I I I t t j I I I I I I t-------- I t M<@e1h

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AP I

I I I FLOW NOZ-i!LE AREi' 2 SH I i I LOCAL 1N002A t I I

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I l I l..OCAL l-IOO'Z.B t c~ HIGH I LOW RX PflESS 1 I._ ____ _ I j I I I I rb 4 I I I I I I I I L I l o 11)!

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I ~ I _,,... REF 4 TO RWH POWER LEVEL I I I I I I I I.... ____ _ I j I I I I rP 4 I I I I I I I I +------. I I I I ib 4 ru REF 14 i f1 A 15-14 B REF 14 I I I I I I 1 I I I I I I I I I I I I I I I I I I I I 1

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b L CBY :To£RSI l.tJJ REF 14 Al727 CNOTE 2>

SELECTED WATER LEVEL 'I 1..,,.. 1"' I I REACTOR PRESSURE Al6'13 <NOTE 21 RECIRC PUMP TRIP TD LFMG CNOTE q1 I I I I I I I I r----1-----, t t LOW POWER A(.ARM POINT LOW POWER SET POINT NUMAC RWM Cl2-J6eall CR iC6i3A CR i6i3ii ltJI REF 14 STEAM FLOW 11* +------. I I ~4 lltJj REF 14 CR K68X CR K6iii STEAM FLOW 'It +------. I I ~4 ll.tll REF 14 STEAM FLOW "A" STEAM FLOW -c* lil!.I.ti:..

1.

ALL EQUIPMENT ANO INSTRUMENTS ARE ~RH IHO HY SYSTEM NO. C 33-UNLESS OTH~RWISE NOT£0. Z. l llMSMITTEO VIA OIGITAl. OATA LINC

3.

DEVICES K624A,B&C TRIP CONTACTS TO BE WIRED SO THAT 2 OUT OF 3 DEVICES HUST TRIP TO INITIATE MA IN TURBIWE STEAM STOP V~LVE ~ HlDWATER PlJM P TRIP. Al73'5 TOTA(. STM FLOW Fw LINE *9* TEMP A1713 FEEOWATER FLOW "A* INLET t"-----, I I I I 2FWS ....QL Tl64A ~ ~rii 4 ltJI REF 14 HOTES CONJ. FW LINE "A" TEMPERATURE B. FEEDWATER FLOW INTrCRhT ION IS AVA I LA8LE VIA N5$$ COMPUTER. FEEOWATER FLOW 'A" INLET

9.

INDEPENDENT ALARM Ul'/IT RELAYS OR INTERPOSING RELAYS TO BE PROVIDED TO ENSURE SEPARATION or RECIRC LOOP A CONTROL CIRCUIT FROM LOOP B,

10.

DELEIED Al714 FEEOWATER FLOW 11* INLET t"-----, I I I I K~B rP 4 ltJI REF 14 FEEOWATER FLOW V INLET 15*83 REF 14 TOTAL FEEOWATER FLOW I I I I I I I I I I 15*84 REF 14 U~TE Z> SF I FF MISMATCH

4.

SOURCE:

5.

I I I I I I I I I I I I I I I I I I I I ~ >1 I 3io I "'ill! "-11)! I ~~ ~ I I I I 15*17 I I ~ I REF 14 ~ CNOTE 2l HlliH POWER CONTROLLER OUTPUT r r RCS LOOP A/8 RCS LOOP A/8 LFMG TRANSFER MAIN RECIRC VA(.VE cPOwER INTERLDCKI LOW PWR & NPSH INTERLOCK CNOTE 'II CNOTE 'II 0007.222-001-002 REFERENCE QRAWINGS* MPL ITEM NO f~~~1N~~~CE?oJ~Z~tHVEL TRIP CHl<NNELS MUST BF: FROM THE POWER SOURCE FOR THE FEEDWATER INSTRUMENTATION ANO COllTROl SYSHM SHALL HAVE AT LEAST THE SAME DEGREE OF RELIABILITY AS THE POWER SOURCE FOR THE REACJOR FEED/ BOOSTER/CONO(NSA TE PUMPS.

11.

FOR LOCATION AHO IDENTIFICATION OF INSTRUMtNTS. SH INSTRUMENT DATA SHEET, REF 10. FIGURE 7. 7-8 I. FEEOWATER CONTROL SYSTEM DESIGN SPEC --- t?.3-4010

2.

NUCLEAR BOILER SYS P&ID ------- ---*--*-* BZZ

  • IOIO
3.

REACTOR RECIRCULATION SYSTEM HD*------ B:lS--1020

4.

CONTROL ROD DRIVE HYDRAULIC SYS rco ---- Cl2-1030

5.

FEEDWATER SYSTEM P&IO - --------*----- ---*** BY OTHERS(NOTE13l

6.

MA IN TURBINE GENERATOR TRIP LOGIC ELEM---* BY OTHERS{NOTE13l

7.

PR£0P T[ST SPLC.lFIC~TION*- --- - ----*-- ---1\\13 -3421 8. PIPIN(, f INSTRUMENT SYMGOLS----------- A42*1010

9.

INSTRUMENT SYMBOLS --------*-----*---*--*-* A42*1020

6.

CUSTOMER TO PROVIDE A CIRCUIT BREAKER AUXILIARY CON-TACT FROM EACH REACTOR FEEOPUHP CIRCUIT BREAKER. GE TO PROVIDE AUXl).IARY RELAY LOGIC FROM CUSTOMER (AE C.B AUXILIARY CONTACTS ANO CONTACTS FROM CR/K623 (HJ TO INITIATE INDEPENDENT RUHBACK OF REACTOR REC IRC SYSTEM IN EVENT OF A 1 OUT or 2 RF PUMP TRIP.

7.

DELETED

12.

FOR IND ICATING INSTRUMENTS ANO TRANSMITTER RANGES SEE INSlRUHEIH OATA SHEET (NOTE It l.

13.

REFERENCED DOCUMENTS 5 & 6 ARE TO BE SUBMI TTED TO GE (APED J BY THE CUSTOHER/AE FOR APED DESIGN COHPLE-T ION. 15 ATWS SWITCM TO MANUAL CONTROL AND VALVE CLOSURE. llO DELETED II HIC',H $!GIJALL11fl!TER 1$ E!>!A5LED DURING THE toNCURRENC.E OF FEEOWATER CONTROL SYSTEM

10. INSTRUMENT Oil.TA. SHEET-- -------- C.3'3-305"0 II.

REACTOR RECIRCULA'TION SYSTEi.M l ED---- 635-1010 12 REDUNDANT REACTIVITY CONT S'l'.S FCD - - - - - - C22

  • 1050 13 EMERGENCY RESPONSE FACILITV-----BY OTHERS A TURBINE TRIP AWD VJW FEEDPUM? &JC.TO~ PRESSURE CllNDITl<l* 01.\\l'f.

UJ.llfER WILL BE BYPJ\\S$EO DURING AMY OrHE.R MORl'llAL OPERATll-IG CO~DlTION. NINE MILE PO INT-UN IT

14.

1'"1311-JeERlf\\15 Tl:fff AllD INFO e>YG eD - - - _cee-1050 2

15. RC!C FCD -- ----*- - --- ---- - -- ESl-1030 IB MAIN TUf\\BJNE STOP VALVE TRIP CAN BE INITIAT ED BY EITHER 2 OlH OF 3 HIGH CHANNEL LEVEL DETECTION (SE£ NOTE 3 ABOVE)

OP. BY THE INITIATION OF 'P.CIC TUP,BIN E OPEP,ATION. UPDATED SAFETY ANALYSIS REPORT L USAR REVISION 25 OCTOBER 2022 _J E CP-17-000688-MU-150 0007222001002-001-04.00 _R evO.dgn 9/2812022 11 :30:40 AM

~

  • j

\\._,. STEAM PRESSURE SPEED-LOAD --a-i SET POINT 8 LOAD DEMAND SIGNAL TURBINE SPEED*LOAD GOVERNOR ~ f 4' PRESSURE REGULATOR 0 PRESSURE CONTROL SIGNAL LOW VALUE GATE 0 FLOW LIMIT SIGNAL i-.... 0 d BYPASS VALVES CONTROL VALVE POSITION DEMAND SIGNAL TO TURBINE FLOW LIMITER I .._ CONTROL VALVES FIGURE 7.7-9 SIMPLIFIED DIAGRAM PRESSURE CONTROL SYSTEM NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 FINAL SAFETY ANALYSIS REPORT

L Speed Pickup 1 Speed Pickup 2 Speed Pickup J Median Seleclor -1 l _,Spe-ed.......... "--~?\\1_,. ~ \\ Speed Error Speed , J Conlroller (off*line) Speed~ Regula lion Con*line> Breaker Load Limils Flow Limil f 1 + ~ +f.

  • --~~~\\.~ l.
.. _]

1 \\: Ooud I ~~N~~1 --i-:i--- Speed Load Conlrol Flow Demond Load Demond Load Bias Throllle Pressure A ~-~~~M ~d. -}- e ion Throllle Pressure B ~-=~ Seleclor l Throllle Pressure C.....J *L--~~ Pressure N--4 Regulator Flow )-. {--;:;;- '} Pressure I....,_ _:~lroller

}-

L Throllle Throttle Pressure Pressure j --1l,.,.,.. 2 8-- Notch Faler 1 ~,.l ~----~ ~-KU l.h,/'q Pressure Demond CV Flow Demond Demond FIGURE: CV Control Bypass Control 7.7-10 SIMPLIFIED DIAGRAM TURBINE PRESSURE AND SPEED CONTROL REQUIREMENTS LOAD NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 23 OCTOBER 2018

+VOLTAGE +VOLTAGE J_ _CONTACT 1 MEG OHM~ COIL(> 1000 OHM ~ RECORDER RECORDER TYPICAL RECORDER CONNECTIONS +VOLTAGE 1 INITIATING -DEVICE RECORDER.l ---~T1 ',, '

1//

..A-LOGIC RELAY TYPICAL TEST SET-UP FIGURE ?A. 1-1 TYPICAL RECORDER CONNECTIONS AND TEST SET UP NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVTSION 0 APRii. I CJB9

HI-POT 5 KV 2.sma

cac:o-=i1::1 ___ c:::.11;1 _

SIG RET I I I I I o~o I I I I I I I I I I I I I I I I I I I CERAMIC I BARRIER I I ISOLATOR HOUSING IC:l:l.c:a 1!:1:1 C1C11 =a m-=a c::a - s:::a.. ISOLATOR CARDS 1111-c:J 1::3 1111 GZa. S2-CCI - a:m.J I !Cl; Ul!ll 1::1129 a::D 1%1 am 1C1 CCI """' c::I 1':I FIGURE 7A. l-2 TYPICAL TEST CONFIGURATION FOR OPTICAL ISOLA TORS NIAGARA MOHAWK POWER CORPORATIO~ NINE MILE POINT -UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989

HI-POT / ISOLATOR HOUSING r-----------* I I SIG RET I I I I o~o CERAMIC BARRIER _______________.J ~ ISOLATOR CARDS FIGURE 7A. l-3 TYPICAL TEST CONFIGURATION FOR OPTICAL ISOLATORS NIAGARA MOHAWK POWER CORPORATIO~ NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989

( ) I I I I I I I I I I ( ) ///// ) 11/llll 'Ill '

11.

I~~ ~~.. I I I I I FIGURE 7A. l-4 ISOLATOR ASSEMBLY (BOLTED) NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT -UNIT 2 UPDATED SAFETY ANALYSIS REPORT I USAR REVISION 0 APRIL 1 Sl89

9 U. -( ) ~ ~ -c ) } =< ) - l:;: =< ) ~ .__) ~ I I 1 ( )';:::. -( ):=- ( ( )_ I r{ ) ( )_. .l f-{ J FIGURE 7A.1-5 ISOLATOR ASSEMBLY (CASTING) NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989

__ '_SOLATORHOUSING

1>~>----

FUSE SOURCE 8 =STORAGE OSCILLOSCOPE )>--- TEST INPUT

4.

-~~>------.... ___.,.~) I FUNCTIONAL OUTPUT FIGURE 7 A.1-6 TYPICAL CONFIGURATION NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989

_______________... L..._ __ 'SOLATOR HOUSING

~~~-

FUSE SOURCE --...~>--- TEST INPUT 0 "'STORAGE OSCILLOSCOPE ~ FUNCTIONAL OUTPUT FIGURE 7A. l-7 TYPICAL CONFIGURATION NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989

....,.~,_.._- ---.~)lo.-- FUNCTIONAL INPUT 0 = STORAGE OSCILLOSCOPE L ISOLATOR HOUSING ~ TEST OUTPUT ) / FUSE SOURCE FIGURE 7A. 1-8 TYPICAL CONFIGURATION NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989

---..... ~~- - -..... ~>------ FUNCTIONAL INPUT 0 = STORAGE OSCILLOSCOPE _/

-~SOLATOR HOUSING

~ TEST OUTPUT ).,,___ ___ _ ~

7.

FUSE SOURCE FIGURE 7A. 1-9 TYPICAL CONFIGURATION NIAGARA MOHAWK POWER CORPORATION NINE MILE POINT-UNIT 2 UPDATED SAFETY ANALYSIS REPORT USAR REVISION 0 APRIL 1989

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