ML18057B462

Monthly Operating Rept for Dec 1991 for Palisades Nuclear Plant.W/920108 Ltr

ML18057B462
Person / Time
Site:	Palisades
Issue date:	12/31/1991
From:	Handlovits S, Mlynarek M CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9201140235
Download: ML18057B462 (5)

Text

'! ,

consumers Power POWERiNii MICHlliAN'S PROliRESS Palisades Nuclear Plant: 27780 Blue Star Memorial Highway, Covert, Ml 49043 January 8, 1992 US Nuclear Regulatory Commission Document Control Desk Washirigton, DC 20555 LICENSEE REPORT OF MONTHLY OPERATING DATA DPR-20, DOCKET NO 50-255 Enclosed is a copy of the Monthly Operating Data and Summary of Operating Experience for the Palisades Nuclear Plant for the month of December, 1991.

If you have any questions or concerns, plea~e feel free to contact me at (616) 764-8913,,exten~ion 0113.

Sincerely,

~

MG Mlynarek

• Reactdr Ehgineer CC: DPHoffman, P26-ll7B RMRice, Palisades ABDavis, USNRC JLK~emin, Palisades Resident Inspector, Palisades DRHahn, Div of Rad Health Services, Lansing, MI BWJorgensen, Michigan Dept of Labor, Lansing, MI JPadgett, Michigan Public Service ~ommission Records Center, INPO, Atlanta, GA RWTaylor, CE, Palisades AAAlatalo, Palisades MALapinski, Pl3-104 Administrator, USNRC Document Control, 950*22*35*10/L SMH92*02

. 9'201140235 9112:31

. f:;bR ~* ADOCK 05000255 I I

\

• R PDR L1 '

A CMS' ENERGY COMPANY

OPERATING DATA REPORT DOCKET NO 50-255 DATE 12-31-91 COMPLETED BY SMHandlovits TELEPHONE (616)764-8913 OPERATING STATUS: .......,...

NOTES:

1. UNIT NAME Palisades

2. REPORTING PERIOD: 911201-911231

3. LICENSED THERMAL POWER (MWt) 2530.0

4. NAMEPLATE RATING (GROSS MWe) 811.7

5. DESIGN ELECTRICAL RATING (NET MWe) 805.0

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWe) **770

7. MAXIMUM DEPENDABLE CAPACITY (NET MWe) **730

8. IF CHANGES OCCUR IN CAPCITY RATINGS (ITEM NUMBERS 3 AND 7) SINCE LAST REPORT, GIVE REASONS:

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWe):

10. REASONS FOR RESTRICTIONS, IF ANY:

This Month Yr-to-Date Cumulative

11. HOURS IN REPORTING PERIOD 744.0 8760.0 175623.0

12. NUMBER OF HOURS REACTOR WAS CRITICAL 628.4 6845.5 97046.6

13. REACTOR RESERVE SHUTDOWN HOURS

14. HOURS GENERATOR ON-LINE 619.4 6693.9 92911. 5

15. UNIT RESERVE SHUTDOWN HOURS

16. GROSS THERMAL ENERGY GENERATED (MWH) 1513368.0 15902168.0 196654613.0

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 496580.0 5142190.0 61778725.0

18. NET ELECTRICAL ENERGY GENERATED (MWH) 471674.0 4873835.0 58172008.0

19. UNIT SERVICE FACTOR 83.3% 76.4% 52.9%

20. UNIT AVAILABILITY FACTOR 83.3% 76.4% 52.9%

21. UNIT CAPACITY FACTOR (USING MDC NET) 86.8% 76.2% 49.9%

22. UNIT CAPACITY FACTOR (USING DER NET) 78.8% 69.1% 41.1%

23. UNIT FORCED OUTAGE RATE 16.7% 4.5% 31.4%

24. SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE, DATE AND DURATION OF EACH):

60-Day Refueling Outage tentatively scheduled to begin February 22, 1992

25. IF SHUTDOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:

26. UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

• • Based on condenser backpressure

• Weighted Average (635 MWe used as MDC Net prior to October 1985)

./

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO 50-255 UNIT Palisades DATE 01/08/92 COMPLETED BY SMHandlovits MONTH DECEMBER 1991 TELEPHONE (616)764-8913 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe Net) (MWe Net)

1. 791 17. 791

2. 792 18. 793

3. 791 19. 794

4. 790 20. 788

5. 789 21. 796

6. 791 22. 792

7. 787 23. 792

8. 785 24. 791

9. 560 25. 790

10. 0 26. 791

11. 0 27. 792

12. 0 28. 792

13. 0 29. 783

14. 0 30. 796

15. 213 31. 797

16. 687 INSTRUCTIONS:

On this format, list the average daily unit power level in MWe-NET for each day in the reporting month. Compute to the nearest whole megawatt.

r .,

DOCKET NO 50-255 UNIT Palisades DATE 01/08/92 COMPLETED BY SMHandlovits REPORT MONTH DECEMBER 1991 TELEPHONE (616)764-8913 UNIT SHUTDOWNS AND POWER REDUCTIONS No. Date Type I Duration Reason' Method of Licensee System Component Cause &Corrective 5

(Hours) Shutting Event Code' Code Action to Down Reactor' Report # Prevent Recurrence 08 911209 F 124.6 A 3 LER 92001 Main generator seal oi 1

µressure decrease

1. 2. 3. 4. 5.

F: Forced Reason: Method: Exhibit G - Instructions Exhibit I - Same Source S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-0ther (Explain) (NUREG-0161)

E-Operator Training & License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

SUMMARY

OF OPERATING EXPERIENCE FOR DECEMBER 1991 The unit began the month at full power. On December 9 at 1710 hours0.0198 days <br />0.475 hours <br />0.00283 weeks <br />6.50655e-4 months <br />, the main generator seal oil pressure decreased such that the unit was removed from service (reactor trip occurred at 1722 hours0.0199 days <br />0.478 hours <br />0.00285 weeks <br />6.55221e-4 months <br />) to protect pl ant equipment.

After repairs were completed, the reactor was taken critical on December 14 at 1303 hours0.0151 days <br />0.362 hours <br />0.00215 weeks <br />4.957915e-4 months <br /> and the pl ant was pl aced on-1 i ne at 2202 hours0.0255 days <br />0.612 hours <br />0.00364 weeks <br />8.37861e-4 months <br />. Full power was reached by December 16 after 1600 hours0.0185 days <br />0.444 hours <br />0.00265 weeks <br />6.088e-4 months <br /> and the unit remained at 100% power for the remainder of the month.