ML20082T470
| ML20082T470 | |
| Person / Time | |
|---|---|
| Site: | Grand Gulf  |
| Issue date: | 09/11/1991 |
| From: | ENTERGY OPERATIONS, INC. |
| To: | |
| Shared Package | |
| ML20082T468 | List: |
| References | |
| NUDOCS 9109180269 | |
| Download: ML20082T470 (2) | |
Text
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toL-91j'ty ELECTRICAL power SYSTEMS
~
REAC?0R PROTECTION $v5 TEM ELECTRIC POWER NNITORI%
LIMITING CONDI. TION FOR OPERATION
- 3. 8. 4. 3 Two RPS electric power sonitoring assemblies for each inservice RPS MG set or alternate power supply shall be OPERABLE.
AP PLIC ABILITf:
At all times.
ACTION:
a.
With one RPS electric power monitoring assembly for an inservice RPS M set or alternate power supply inoperable, restore the inoperable power monitoring system to CPERABLE status within 72 hours8.333333e-4 days <br />0.02 hours <br />1.190476e-4 weeks <br />2.7396e-5 months <br /> or remove the associated RPS HG set or alternate power supply from service, b.
With both RPS electric power monitoring assemblies for an inservice RPS HG set or alternate power supply inoperable, restore at least one electric power monitoring assembly to OPERABLE status within 30 minutes or remove the associated RPS M set or alternate power supply from service.
SURVEILLANCE REQUIREMENTS 4.8.4.3 TheabovespecifiedRPSelectricpowermonitoringasse$bliesshallbe cetermined OPERABLE:
By performance of a CHANNEL FUNCTIONAL TEST 44-4 east-once-pee-4-aoaud I
a.
b.
At least once per 18 sonths by demonstrating the OPERABILITY of over-voltage, undervoltage and under-frecuency prettetive instrumentation IM" by performance of a CHANNEL CALIBRATION including simulated autcoatic actuation of the protective relays, tripping logic and output circuit breakers and verifying the following setpoints:
1.
Over voltage Bus A
< 132.9 VAC Bus B
{133.0VAC 2.
Under-voltage Bus A
> 115.0 VAC Bus B
[115.9VAC 3.
Under-f requency Bus A
> 57 Hz Bus B 1 $7 Hz GRAND GULF-UNIT 1 3/4 8-54 (YW.
rrYL.
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J NSERT (TS 4._8_,4. 3_a) each time the plant. is in COI.D SilVTDOWN for a period of mot e than 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br />, unless performed in the previous 6 months, G9108202/SNLICFI.R - 10
.