ML18023A409

Updated Final Safety Analysis Report (Ufsar), Amendment 27, 8.4 Figure - Normal Auxiliary Power

ML18023A409
Person / Time
Site:	Browns Ferry
Issue date:	10/05/2017
From:	Tennessee Valley Authority
To:	Office of Nuclear Reactor Regulation
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Download: ML18023A409 (5)

Text

n~ iE-000301-0 !I o AMENDMENT 27 BROWNS FEARY NUCl.EAA PLANT FINAL SAFETY ANALYSIS REPORT NORMAL AUXIL !ARY POnFI SYSTEM KEY DIAGRAM f'IGURE 8.4-lG

10 11 AMENDMENT 26

~,- ... GENERAL UNITS1.t.2 BROWNS FERRY NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT STANDBY AUXILIARY POWER SYSTEM I~ KEY DIAGRAM FIGURE 8.4-1b 10

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l\liLl'IHAP"'""-:a................. AMENDMENT 27 BROWNS FERRT NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT NORMAL AND STANDBY AUX[L IARY l"OWEft SYSTEM KEY DIAGRAM "

FIGURE 8.4-2

4150V SHUTDOWN BUS 1 FEEDER BREAKER 1622

..:~- _ ......

• • • • • • • -~

I~~~~i::l . -

--********f'.11" ............. _

AMENDMENT 27 llHTS ta l BROWNS FERRY NUCLEAR PLANT F lNAL SAFETY ANAL YS!S REPORT 4180V ~~T~~NICA~xl,,LclRA~Y POWER FIGURE 8.4-3 ID

LOSS OF 4KV SHTDN BO voi. TAGE 27/ 0A[2703AJ RELAY NUMBERS A!ZS C¢

,...__ _.~-(T-Y-PI_C_A_L_)~

DIESEL GEN A 2-21 I -2A [2A3]

[::!A] BKR TDPU ,. 4 SEC 1818 [1838]

CLOSED INTER TIE BKR 1824

[ 1644]

CLOSED

ii CASA-I w CASS-I DG\/A-AI 27/SAY

[27/S3...Y}

2-21 I -4A [4A3] TRIP ANO LOCKOUT SUPPLY BREAKERS TDPU .. I .3 SEC 1614(1334]. 1716(1726]. TR!P ALL

(.NOTE 31 LOAD BREAKERS. (TRIP 43SA TO MANUAL)

.-----1BKRS 1614(1334] , 1716[1726) .

AND I 824 [I 844] TRIPPED MJTES ,

I . UNIT 3 NUMBERS ARE IN BRACKETS ( ] .

DIESEL GEN A

[3A] AT SPEED 2 . THE TOTAL TIME FROM DETECTION OF DEGRADED VOL HGE BY THE 27 RELAYS TO THE CLOSING OF' THE DIESEL GEN A DIESEL GENERATOR BREAKER MUST NOT EXCEED THE MAXIMUM TIME DELAY THAT IS ASSUMED IN THE FSAR

[3A) VOL.Tio.GE ACCIDENT ANP.L YSIS . SEE FSAR SIO:CTION 6 , 5 FM IN ' SPEC " THIS AN/\!.. YSIS .

3 . THIS TIME DELAY ALLOWS FOR SHUTDOWN BOARD POWER SYSTEM ISOLATION AND VOLTAGE DECAY e!::FO~ - !HE OIES£L. G~ERA.!OP ftQF°Ak'FR 1818 CLOSE SIGNAL IS ISSUEO .

CLOSE BKR 1818[1838) AMENDMENT 16 FROM DIESEL GEN A [ 3A )

REACTOR BUILDING UNITS I, 2 !. 3 BKR 1818[18~8 CLOSED (T S: 10 SEC)

NOTE 2 BROWNS FERRY NUCLEAR PLANT FINAL SAFETY ANALYSIS REPORT LOGIC DIAGRAM - DEGRADED VOLTAGE AND LOSS-OF-VOLTAGE RELAY CHANNELS FIGURE 8. 4-4