ML17313A182

Revised Monthly Operating Rept for Nov 1997 for Palo Verde Nuclear Generating Station,Unit 3

ML17313A182
Person / Time
Site:	Palo Verde
Issue date:	11/30/1997
From:	Fulton J ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17313A180	List: ML17313A179 ML17313A181 ML17313A182
References
NUDOCS 9801220051
Download: ML17313A182 (2)

Text

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NRC MONTHLYOPERATING DATA REPORT

- CORRECTION-I DOCKET NO.: 50-530 UNIT NAME: PVNGS-3 DATE: 12/8/97 COMPLETED BY: J. D. Fulton TELEPHONE: 602 250-3549 Reporting Period: November 1997

1. Design Electrical Rating (Net MWe): 1269

2. Maximum Dependable Capacity(Net MWe): 1247 Unit 3 Generatin Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 720.0 7,124.9 68,58 I.7 Hours Generator was On-Line 711.8 7,078.1 67,755.6 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Ener Generated MWh 875,497 8,520,037 81,819,182 UNIT SHUTDOWNS Outage Method of Duration Shutting Down Cause and Corrective Action No. Date Type~ Hours Reason2 ReactoR to Prevent Occurrence 97-02 11/8/97 F 8.2 B Power was reduced to 23% and Main Turbine taken off line to balance coupling in bearing ¹6 due to a high vibration.

t F-Forced 2Reason: s Method:

S-Scheduled A-Equipment Failure (Explain) 1-Manual B-Maintenance or Test 2-Manual Trip / Scram C-Refueling 3-Automatic Trip / Scram D-Regulatory Restriction 4-Continuation E-Operator Training /License Examination 5-Other-(Explain)

F-Administrative G-Operational Error (Explain)

H-Other (Explain)

SUMMARY

Reactor was not shutdown and continued to o crate at ower. The turbine was taken out of service to allow balancin ofthecou lin atthe¹6bearin . Thismaintenanceresultedinlowerin turbinevibrationatthe¹6bearin .

980i22005i 980i14 PDR ADOCK 05000528 R PDR

~ 0 S