ML17285B178

Proposed Tech Specs Adding Addl Load to Battery During Spring 1990 Refueling Outage

ML17285B178
Person / Time
Site:	Columbia
Issue date:	04/05/1990
From:	WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
Shared Package
ML17285B177	List: ML17285B176 ML17285B178
References
NUDOCS 9004200236
Download: ML17285B178 (2)

Text

I CO TROLLED COPY

-'-ELECTRICAL POMER SYSTEMS SURVEILLANCE REOUIR ~lEHTS (Continued)

d. At least once per 18 months, during shutdown, by verifylflc thai.

either:

1. The battery capacIty is adequate to supply and main ain in OPERA8LE'tat s all oI the actual emergency loads for 2 hours2.314815e-5 days <br />5.555556e-4 hours <br />3.306878e-6 weeks <br />7.61e-7 months <br /> ror Divisions 1, 2 and 3 when the bat.ery is sub'ected to a 0'tJ battery service test, cr

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2. The battery caeacity is adequate to supply a dumImy load ci ti 2 following profile (Hinimum amperage) wni le main:aining the I~

battery terminal voltace greater than or equal to 21 volts for 0 In the +24 volt battery, l05 volts for the 125-volt battery, and 210 volts for the 250-volt battery, and 105 volts for the 125-volt Oiv. 3 battery.

BATTIERY (VOLTS/OIV) SECONDS SECONDS SECONDS HIHUTES i~lEHUTES H HUTES MEHUTES 0-6 2 =0 60 1lc llc 120 I

'-"BO-lA/-13 ( 24V/Div 1) iMz'l s~z'l syrt)zv ~7~zf ~7~a9 p.ozIl I~ z$

2) ~ %g le Z.g l~g.+ ~0m.g ~Z.f ~~/,9

~IS> y- Ik) y= lao l~O g,g .'0-2A/-25'=24V/Oiv Bl "1 {125V/0 IV 1) 4=.57O ~ZOO ua Zu 276 81-2 {125V/DIV 2) a=-'zoo ~zoo ~l8$ ~le v=" /85 82-1 {250VIOIV 1) ~i32o H" l5Zo ~52o M-"SOS- ~99o ~404 =-" 57+

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HPCS DUTY CYCLE <<c J I VV Sc 0-13 13-20 20-60 81-HPCS (l 25V/0 I V 3) .6 15.6 15.b 1<."

V.b l6.0 '6.9

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e. At least once per 60 months during shutdown bv verifying that Ihe battery capacity is at least 80~ (83.4~ for the 250 Vol bat arv) c.

&U the manufacturer s ratinlg when subjected to a performanc d.ischalge IflIp)+ test. At this once per 60-month inte. va l, this pe. rcrmance disc arge

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>>CO test may be perrormed in lieu or the battery service tas..

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,OI 0 I ~ At least once per 18 months during shutdown perIolmanca discharce teStS 0 I battery C oaCi ty Shal l be giVen tO any baI,tery that ShCwS (FJD signs of degradation or has reached 85~ of the se.v'Ica l I e ex e aJ

,OH ror the application. Degradation is inG;ca~ad when t;e batterv Qg R caoacity droos more than 10~ or rated capacity I rcm i:s average cn previous performance tests, or is below cG (c3.4~ for the 250 Vclt OK QCI baitaryI) or the mIanufac 'e".' rating.

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