ML20247F603
| ML20247F603 | |
| Person / Time | |
|---|---|
| Site: | Point Beach  |
| Issue date: | 08/31/1989 |
| From: | Fay C, Krause C WISCONSIN ELECTRIC POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| CON-NRC-89-106 VPNPD-89-481, NUDOCS 8909180219 | |
| Download: ML20247F603 (9) | |
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231 W. MICHIGAN, P.o. BOX 2046, MILWAUKEE, W153201 (414)221-2345 k
,VPNPD-89-481 NRC-89-106 September 8, 1989 U. S. NUCLEAR REGULATORY COMMISSION Document Control Desk Mail Station P1-137
' Washington, D. C..'20555 Gentlemen:.
DOCKETS 50-266 AND 50-301 MONTHLY OPERATING REPORTS POINT BEACH NUCLEAR PLANT, UNITS 1 AND 2 Attached are monthly operating reports for Units 1 and 2, Point Beach Nuclear Plant, for.the calendar month of August 1989.
Very truly yours, ffU l
C. W. Fa}y -
Vice Prssident Nuclear Power Attachments Copies to R. S. Cullen, PSCW NRC Regional Administrator, Region III NRC Resident Inspector 8909180219 690831 y'n)
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NARRATIVE
SUMMARY
OF OPERATING EXPERIENCE Docket No.
50-266 Unit Name Point Beach Unit 1 Date September 8, 1989 Completed By C. W. Krause Telephone 414/221-2001 Unit 1 operated at approximately 490 MWe net throughout the report period with the exception of four significant load reductions.
The load reductions were the result of low electrical system _ demand in conjunction with nuclear fuel conservation.
The unit productivity (net output) decreased by 2%
because elevated temperatures of Lake Michigan have caused slightly elevated circulating water temperatures.
Unit 1 achieved 62 billion KWh on August 16.
The five-year Unit 1 containment tendon surveillance and the G02 annual emergency diesel generator surveillance were completed during the period.
No significant observations resulted from the surveillance activities.
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... v, NARRATIVE
SUMMARY
OF OPERATING EXPERIENCE-Docket No.
50-301 l>.
. Unit Name Point Beach-Unit 2 September 8, 1989 Date...
C. W. Krause Completed By
-Telephone; 414/221-2001 Unit 2 operated at approximately 491 MWe net'throughout the period with one significant load reduction.
On August 20, the Unit 2 reactor tripped.
The transient was initiated by main transformer 2X01B'trckout followed by a generator trip, turbine trip and subsequent reactor trip.
The transformer lockout was initiated by the spurious actuation of the transformer's " sudden pressure"_ relay. :Due to the loss of electrical load, an Unusual Event was declhred.
The Unusual Event was terminated following an investigation into the plant trip / response and the conclusion that no significant problems existed.
The_ reactor was taken critical on August 21 and achieved full power at 0735 hours0.00851 days <br />0.204 hours <br />0.00122 weeks <br />2.796675e-4 months <br />, the next day.-
The unit productivity (net output) decreased by 2% because l '.
elevated temperatures of Lake Michigan have caused slightly elevated circulating water temperatures.
The five-year Unit 2 containment tendon surveillance was completed during the period.
No significant observations resulted from the surveillance activities.
L l
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