ML20065T862

Corrected Monthly Operating Rept for Oct 1981

ML20065T862
Person / Time
Site:	North Anna
Issue date:	12/03/1981
From:	Rogers L VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML20065T858	List: ML20065T856 ML20065T862 ML20065T869
References
NUDOCS 8211030166
Download: ML20065T862 (3)

Text

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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION ,

MONTHLY OPERATING REPORT MONTH OCTOBER YEAR 1981 (Revised 12-03-81)

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APPROVED:

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STATION MANAGER /

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l T 8211030166 811218 '

DR ADDCK 05000338 PDR

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OPERATING DATA REPORT DOCKET NO. 50-339 DATE 12-03-81 COMPLETED BY L.L. Rogers _

TELEPHONE (703) 894-5151 X2510 OPERATING STATUS i Notes

• Reflects corrected

1. Unit Name: North Anna 2 number of hours i

2. Reporting Period: October 1981 (Revised 12-03-81) generator on line. l

3. Licensed Thermal Power (MWt): 2775

4. Nameplate Rating (Gross MWe): 947

5. Design Electrical Rating (Net MWe): 907

6. Maximum Dependable Capacity (Gross NWe): 939

7. Maximum Dependable Capacity (Net HWe): 890

8. If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons l Corrects re-evaluation of auxiliary load consumption dated May 1981.

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9. Power Level To Which Restricted, If Any (Net NWe): N/A 1

10. Reasons For Restrictions, If Any: N/A l l

6el h it4 0 M r 9/ ~ 3 9 0

This Month Yr.-to-Date Cumulative ,

11. Hours In Reporting Period 745 7,296 7,728 i

12. Number of Hours Reactor Was Critical 733.2 5,524.3 5,953.2 l

13. Reactor Reserve Shutdown Hours 7/3, .4 17m1 1.358.5_ 1,638.5

14. Hours Generator On-Line Ok (*?!; 23 d5,362.M ,*5,775 >  !

15. Unit Reserve Shutdown Hours 88 4 0 0 . 0

16. Gross Thermal Energy Generated (MWH) 1,898,994 13,802,996 14,889,993

17. Gross Electrical Energy Generated (MWH) 643,948 4,653,876 5,022,307

18. Net Electrical Energy Generated (MWH) 611,338 4,402,998 4,752,642

19. Unit Service Factor *95.7 *73.5 *74.7

20. Unit Availability Factor *95.7 *73.5 *74.7  ;

21. Unit Capacity Factor (Using MDC Net) 92.2 67.8 69.1  !

22. Unit Capacity Factor (Using DER Net) 90.5 66.5 67.8 '

23. Unit Forced Outage Rate *4.3 *23.3 *22.2

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

1 Refueling Outane 05-82 thru 05-14-82 l

25. If Shut Down At End Of Report Period, Estimated Date of Startup: N/A

26. Units In Test Status (Prior to Commercial Operation):

Forecast

\. Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

• corrects duratica of shutdown 81-38' j

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i UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-339 UNIT NAME North Anna 2 DATE 12-03-81 REPORT MONTH OCTOBER (Revised) COMPLETED BY L. L. ROGERS TELEPHONE (703) 894-5151 X2510 2 Component Cause & Corrective No. Date Typel Duration Reason Method of Licensee System (Hours) Shutting Event Code Code Action to 3 4 5 Down Reactor Report # Prevent Recurrence 81-37 811001 F N/A F 5 N/A N/A N/A Reduced load to 90% due to "B" Transformer hi alarm and No. 4

, governor valve cycling.

81-38 811003 F *26.8 *A 3 N/A N/A N/ Reactor trip due to ENC line rupture on No.4 governor.

ld M

^

,( Closed No. 4 governor valve and Mk -

installed new supports l.

81-39 811004 F 5.0 . A 3 N/A N/A N/A Reactor Trip due to generator leads differential.

Reduced load to 91% due to "B" 81-40 811005 F N/A F 5 N/A N/A N/A Transformer hi temperature i alarm.

! 81-41 811006 F N/A F 5 N/A N/A N/A ' Reduced load to 90% due to "B" Transformer hi temperature alarm.

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1 1 2 3 4 F: Forced Reason: Method: Exhibit F - Instructions 8: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data i B-Maintenance or Test 2-Maiinh1 Scram. Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File l

D-Regulatory Restriction 4-Continuations (NUREG-0161)

E-Operator Training & License Examination 5-Load Reduction F-Administrative 9-Other

' G-Operational Error (Explain)

H-Other (Explain) Exhibit H - Same Source

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