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: GO2-90-070, Application for Amend to License NPF-21,revising Tech Spec 3.8.2.1 to Reflect Plan to Add Addl Load to Battery During Spring 1990 Refueling Outage 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 battery service test, cr 2.

The battery caeacity is adequate to supply a

dumImy load ci ti 2 following profile (Hinimum amperage) wni le main:aining the battery terminal voltace greater than or equal to 21 volts for 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.

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0 In BATTIERY (VOLTS/OIV)

'-"BO-lA/-13 ( 24V/Div 1)

SECONDS SECONDS SECONDS HIHUTES i~lEHUTES H HUTES MEHUTES 0-6 2 =0 60 1lc llc 120 I

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.'0-2A/-25'=24V/Oiv

2) ~ %g le Z.g l~g.+ ~0m.g ~Z.f ~~/,9 l~O g,g Bl"1 {125V/0IV 1) 81-2 {125V/DIV 2) 82-1 {250VIOIV 1)

~i32o H" l5Zo ~52o M-"SOS-4=.57O

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HPCS DUTY CYCLE 81-HPCS (l25V/0 IV 3)

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VV Sc 13-20 20-60

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'C4 i'0 Svb ~ ~ CZca I 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.

the manufacturer s ratinlg when subjected to a performanc d.ischalge test.

At this once per 60-month inte. va l, this pe. rcrmance disc arge test may be perrormed in lieu or the battery service tas..

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 signs of degradation or has reached 85~ of the se.v'Ica l I e ex e

aJ ror the application.

Degradation is inG;ca~ad when t;e batterv 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 baitaryI) or the mIanufac 'e".'

rating.

'MASHIIHGTOH HUCLcAR - UNIT 2 3/4 8"13 Amendment Hc. 68

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