ML17285A396
| ML17285A396 | |
| Person / Time | |
|---|---|
| Site: | Columbia  |
| Issue date: | 04/12/1989 |
| From: | WASHINGTON PUBLIC POWER SUPPLY SYSTEM |
| To: | |
| Shared Package | |
| ML17285A395 | List: |
| References | |
| TAC-67620, NUDOCS 8904240046 | |
| Download: ML17285A396 (2) | |
Text
ELECTRICAL FOMER SYSTEMS SURVeILLANCE REOUIREHEHTS Continued w
lZC H S PE~ FI~y]~g PwuA:
V.Z.
J. J.Z d.
At least once per 18 months, during shutdown, by verifying eitHer:
1.
The bat ery capacity is adequate to supply and mai OFERABLE s,atus all of the actual emergency leads fcr 2 h'curs for Divisions 1, 2 and 3 when the battery is subjected to a battery service test, or (Airn~iiu~f Cfpfj/)C~Q The battery capacity is adequate to supply a
dummy Iced oi ihe followinc profile while maintainina the battery tarniinal vol age greater xnan cr equal to 21 volts for the +24-volt ba
- ery, 105 volts for he 125-volt battery, and 210 volts fcr the 250-volt battery, and 105 volts for the l25-volt Oiv.
3 ba tery,
- PgpglM,
~/A v l25 v Div 125 v
v 2
v Qiv 3 250 v
252
~224 73:4 3.4 1452 "7
~ 17 17 l7 7
153
. 66 65 g
5 aa aa 73.
73.4 8.4 1.4 a67
<32 ia5 B
0-3 3-13
-30 30 0
1-50 1-2 YS
,E Pse sec sac ac min hr'D 88 At least once per 60 months during piltdown by verifying hat the bat ery ca acity is at least 80~ of the manufacturer's rating when subjec ed to a perfcrmance dlscharaa test.
At this once per 60-nonth interval, this perfcrmance discharce test mav be per,or-ed in lieu of
(~BR~~j p, 4 ge. 2.&o volt ba&~
tests oi battery capacitv shall be given to any battery that shows signs of degradation or has reached 85~ of the servic li e expec-ed ror the appllcaticn.
Qeg adatlon is indicated when
.he ba, -ery capaci tv drcps mora thar 10" of rated capacity from its averaae Gn previous perfornznce tests, cr is below 50.. of the a i" act rer s
rating.
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