ML21286A417

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Amendment 29 to Updated Final Safety Analysis Report, Chapter 8, Figure 8.5, Standby AC Power Supply
ML21286A417
Person / Time
Site: Browns Ferry  
Issue date: 10/04/2021
From:
Tennessee Valley Authority
To:
Office of Nuclear Reactor Regulation
Shared Package
ML21286A574 List: ... further results
References
Download: ML21286A417 (71)
v • d • e


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  • FOR DIESEL GE~RATOR A, ALL OTHER DIESEL GENERA TORS SIMILAR, AMENDMENT 22 BROWNS FERRY NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT DIESEL GENERATOR LOGIC DIAGRAM FAST START FIGURE 8.5-14a

-~-*-------------------------------.. -*'It*

OG-A PUSHBUTTON ON DG-A.

LOCAL ENGINE CONTROL CABINET IN "START" POSITION NO CONTROL VOLTAGE AVAILABLE ON DG-A OIESEL-GENERATOR LOGIC PA~'EL 1'

START DIESEL GENERATOR A IN "SLOWn MOOE NOTE: FOR DIESEL GENERATOR A; ALL OTHER DIESEL GENERATORS SIMILAR.

AMENDMENT 16 BROWNS FERRY.NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT DIESEL GENERATOR LOGIC DIAG~AM SLOW START FIGURE 8.5-14b

OG-A. CONTROL SWITCH IN UNITS 1-2 CONTROL ROOM IN "STOP" POSITION OG-A BACKUP TRANSFER SWITCH ON SHUTDOWN BOARD A

IN "NORMA.Lu DG-PUSH BUTTONS ON OG-A LOCAL ENGINE CONTROL CABINET IN "STOP" POSITIONS NO CONTROL VOLTAGE AVAILABLE ON OG-A DIESEL-GENERATOR LOGIC PANEL OG-A CIJ'lTROL SWITCH ON SHUTDOWN BOARD A IN "STOP" POSITION DG-A SELECTED PROTECTIVE RELAYING OPERATED NO CHANl'EL "A" ANO/OR *a*

ACCIDENT SIGNAL ON LNITl,20R3 DG-A BACKUP TRANSFER SWITCH ON SHJTDOWN BOARD A IN "EMERGENCr STOP DIESEL-GENERA TOR A ANO TRIP DIESEL -

GEl-ERATOR BREAKERS DG-A SELECTED PROTECTIVE RELAYING OPERATED NOTE:

!. FOR DIESEL GENERATOR A. ALL OTH::R DIESEL GENERATORS SIMILAR.

AMENDMENT 22 BROWNS FERRY NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT DIESEL GENERATOR LOGIC DIAGRAM STOP FIGURE 8.5-He

TRIP DG-A BREAl<ERS START OO*A IF CLOSED 1----- ------1 I

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C:HANr.EL "A* AOO/OR

~e" ACCIDENT SIGNAL ONUNITl.20R3 VSECIUENCEA

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AVAILABLE ON SHUTDOWN BOARO A AFTER SEQUENCE A START SELECTED UOV LOADS AT T

  • 0 SECOt()S

~~~~ ~Tr AT VOLTAGE AV.\\ILABLE AT T " 7 SEcc>>DS SHUTOO\\llN BOARD B STA.RT RHR SW Al AT VOLTAGE AVAILABLE AT T

  • 14 SECONDS SHUTDOWN BOARD 0 START Sa.ECTEO 480V LOi\\DS AT T = 40 SECOOOS NOTE:

I f"QR DIESEL GENERATOR A, ALL OTHER 0If.£EL GENERATORS SIMILAR AMENDMENT 22 BROWNS FERRY NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT DIESEL GENERATOR LOGIC DIAGRAM AUTOMATIC LOADING FIGURE 8.5-15

LOSS OF VOLTAGE ON SHUTDOWN BOAll!l A FOR 5 SECONDS WITH NORMAL SOURCE OF POWER fRIP ALL MOTOR FEEDER BREAKERS ANO NORMAL SOI.ACE lNOOIING BREAKERS ON Sl<JTOOWN BOAll!l A NO ACCIDENT SIGNAL OH UNITl.20!>3 TRIP ALL MOTOR FEEDER BREAKERS ON SHUTDOWN BOARD A

NOTE*

I. FOR SHJTOOWN BOARD A, ALL OTHER SHUTDOWN BOARDS SIMILAR.

AMENDMENT 22 BROWNS f'ERRY NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT STANDBY A-C POWER LOGIC DIAGRAM LOAD SHEDDING, +.16KV SHUTDOWN BOARD FIGURE 8.5-16a

LOSS OF VOLT AGE ON 4BOV SH..ITDOWN BOARO FDR 2 SECONDS TRIP SELECTED MOTOR FEEDER BREAl<ERS

  • CHANNEL *A" At-DIOR "8" ACCIOENT SIGN~

ON UNIT I OR 2:

MOTOR FEEOER TRIPPED AND FROM AUTOMATIC AMENDMENT 22 REACTOR111JllDINC:

UNITS 1, 2 ~ J BROWNS FERRY NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT STANDBY A-C POWER LOGIC DIAGRAM LOAD SHEDDING, 480V SHUTDOWN BOARD FIGURE 8.5-16b

LOSS OF VOLTAGE QN 480V REACTOR MOY BO*RD SELECTED STARTERS OPEN SELECTED ST ARTERS TRIPPED AKI BLOCKED FRON AU TOMA TIC R£CLOSURE SELECTEO STARTERS TRIPPED AND TIEN AUTOMATICALLY RECLOSED Al='TER A TU£ OELAY AMENDMENT 22 BROWNS FERRY NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT STANDBY A-C POWER LOGIC DIAGRAM LOAD SHEDDING, 480V REACTOR MOV BOARD FIGURE 8.5-16c

START SELECTED 460V LOADS CHA!>IEL "A" ANJ/CJR "B~ ACCIDENT SIGNAL 0Nt..NITS1,20RJ NORMAL VOLTAGE AVAILABLE ON SHUTDOWN BOARD A START RHR A CF ACCIDENT UNIT AT T "' 0 SECOl'IJS START CS A OF ACCIDENT UNIT AT T = 0 SECOt:l!S START RH? SW Al AT T " 26 SECONDS NOTE:

t, FOR SHUTDOWN 60ARD A, ALL E>THER SHUTDOWN BOARO$ SIM1LA.R,

AMENDMENT 22 BROWNS FERRY NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT STANDBY A-C POWER LOGIC DIAGRAM AUTOMATED LOADING OF SHUTDOWN BOARD, NORMAL POWER AVAILABLE FIGURE 8.5-17

OPERATION --------------

AMENDMENT 25

BFN-16 Figure 8.5-19 Deleted by Amendment 10.

BFN-16 Figure 8.5-20 Deleted by Amendment 10.

BFN-16 Figure 8.5-21 Deleted by Amendment 10.

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  • Interconaection11 FilCUI'e B.5-2.lt
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