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 D ARIZONA PUBLIC SERVICE CO. (FORMERLY ARIZONA NUCLEAR
To:
Shared Package
ML17313A180	List: ML17313A179 ML17313A181 ML17313A182
References
NUDOCS 9801220051
Download: ML17313A182 (2)

Text

II t I NRC MONTHLY OPERATING DATA REPORT-CORRECTION-DOCKET NO.: UNIT NAME: DATE: COMPLETED BY: TELEPHONE:

50-530 PVNGS-3 12/8/97 J.D.Fulton 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 Hours Reactor was Critical Hours Generator was On-Line Unit Reserve Shutdown Hours Net Electrical Ener Generated MWh UNIT SHUTDOWNS This Month 720.0 711.8 0.0 875,497 Yr.to Date 7,124.9 7,078.1 0.0 8,520,037 Cumulative 68,58 I.7 67,755.6 0.0 81,819,182 Outage Method of Duration Shutting Down No.Date Type~Hours Reason2 ReactoR 97-02 11/8/97 F 8.2 B Cause and Corrective Action to Prevent Occurrence Power was reduced to 23%and Main Turbine taken off line to balance coupling in bearing¹6 due to a high vibration.

t F-Forced S-Scheduled 2Reason: A-Equipment Failure (Explain)B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training/License Examination F-Administrative G-Operational Error (Explain)H-Other (Explain)s Method: 1-Manual 2-Manual Trip/Scram 3-Automatic Trip/Scram 4-Continuation 5-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