ML18057B398

Monthly Operating Rept for Nov 1991 for Palisades Nuclear Plant

ML18057B398
Person / Time
Site:	Palisades
Issue date:	11/30/1991
From:	Handlovits S, Mlynarek M CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9112090349
Download: ML18057B398 (5)

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consumers Power POW ERi Nii MICHlliAN'S PRDliRESS Palisades Nuclear Plant: 27780 Slue Star Memorial Highway, Covert, Ml 49043 December 4, 1991 US Nuclear Regulatory Commission Document Control Desk Washington~ 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 November, 1991.

If you have any questions or concerns, please feel free to contact me at (616) 764-8913, extension 0113.

Sincerely, MG Mlynarek Reactor Engineer CC:

DPHoffman, P26-117B*

RMRice, Palisades ABDavis, USNRC JLKuemin, Palisades Resident Inspector, Palisades DRHahn, Div of Rad Health Services, Lansing, Ml BWJorgensen, Michigan Dept of Labor, Lansing, MI JPadgett, Michigan Public Service Commission Records Center, INPO, Atlanta, GA RWTaylor, CE, Palisades AAAlatalo, Palisades MALapinski, Pl3-104 Administrator, USNRC Document Control, 950*22*35*10/L SMH91*034 A CMS' ENERGY COMPANY

OPERATING STATUS:*

1.

UNIT NAME

2.

REPORTING PERIOD:

OPERATING DATA REPORT Palisades 911101-911130

3.

LICENSED THERMAL POWER (HWt) 2530.0

4.

NAMEPLATE RATING (GROSS HWe) 811.7

5.

DESIGN ELECTRICAL RATING (NET HWe) 805.0

6.

MAXIMUM DEPENDABLE CAPACITY (GROSS HWe)

• • 770

-7.

MAXIMUM DEPENDABLE CAPACITY (NET HWe)

• • 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 HWe}:

10. REASONS FOR RESTRICTIONS, IF ANY:

This Month Yr-to-Date

11. HOURS IN REPORTING PERIOD 720.0 8016.0

12. NUMBER OF HOURS REACTOR WAS CRITICAL

• 720.0 6217.1

13. REACTOR RESERVE SHUTDOWN HOURS

14. HOURS GENERATOR ON-LINE 720.0 6074.5

15. UNIT RESERVE SHUTDOWN HOURS

16. GROSS THERMAL ENERGY GENERATED (HWH) 1712592.0 14388800.0

17. GROSS ELECTRICAL ENERGY GENERATED (HWH) 557480.0 4645610.0

18. NET ELECTRICAL ENERGY GENERATED (HWH) 529221.0 4402161.0

19. UNIT SERVICE FACTOR 100.0%

75.8%-

20. UNIT AVAILABILITY FACTOR 100.0%

75.8%

21. UNIT CAPACITY FACTOR (USING HOC NET) 100.7%

75.2%.

22. UNIT CAPACITY FACTOR (USING DER NET) 91.3%

68.2%

23. UNIT FORCED OUTAGE RATE 0.0%

3.1%

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 INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

• • Based.on condenser backpressure

• Weighted Average (635 HWe used.as HOC Net prior to October 1985)

DOCKET NO 50-255 DATE 11-30-91

• COMPLETED BY SHHandlovits TELEPHONE (616)764-8913 NOTES:

Cumulative '1 174879.0. *::

96418.2 92292.1 195141245.0 61282145.0 57700334.0 52.8%

52.8%

49.7%

41.0%

31.4%

• Achieved

MONTH NOVEMBER 1991 AVERAGE DAILY UNIT POWER LEVEL DOCK ET NO ------"-'50'----=-2 5"'""""5 UNIT Palisades DATE ---=1=2/.--'/ 00....:.4./...-:/ 9=-=1 COMPLETED BY SMHandlovits TELEPHONE (616)764-8913 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe Net)

(MWe Net)

1.

776

17.

790

2.

717

18.

785

3.

782

19.

785

4.

782

20.

789

5.

651

21.

791

6.

195

22.

791

7.

199

23.

784

8.

574

24.

792

9.

791

25.

791

10.

792

26.

788

11.

791

27.

791

12.

792

28.

791

13.

790

29.

796

14.

788

30.

787

15.

789

16.

793 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

SUMMARY

OF OPERATING EXPERIENCE FOR NOVEMBER 1991 The unit began the month at full power.

On November 1 at 2200 hours0.0255 days <br />0.611 hours <br />0.00364 weeks <br />8.371e-4 months <br />, power was reduced to 90% at 6%/hour to accommodate valve repairs.

Attempts to completely isolate the valve were unsuccessful so power was escalated back up to 100% a.t 3%/hour on November 2 at 1826 hours0.0211 days <br />0.507 hours <br />0.00302 weeks <br />6.94793e-4 months <br />.

Then on November 5 at 1515 hours0.0175 days <br />0.421 hours <br />0.0025 weeks <br />5.764575e-4 months <br />, power was reduced to 35% at 12%/hour to repair condenser tube leaks and the valve that was to be repaired earlier in the month.

After successful completion of the repair activities, power was escalated at 6%/hour to 100% on November 8 at 0120 hours0.00139 days <br />0.0333 hours <br />1.984127e-4 weeks <br />4.566e-5 months <br />.

Full power was reached by November 9 at 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br />, and the unit remained at 100% power for the remainder of the month.

REPORT MONTH NOVEMBER 1991 No.

Date Type1 07 911105

1.

2.

F:

Forced S:

Scheduled Duration Reason2 (Hours)

A Reason:

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)

UNIT SHUTDOWNS AND POWER REDUCTIONS Method of Licensee Shutting Event Down Reactor3 Report #

4 N/A

3.

Method:

1-Manual 2-Manual Scram 3-Automatic Scram 4-0ther (Explain)

4.

System Component Code4 Code5 Exhibit G - Instructions for Preparation of Data Entry Sheets for Licensee Event Report (LER) File (NUREG-0161)

Cause & Corrective Action to Prevent Recurrence DOCKET NO UNIT DATE COMPLETED BY TELEPHONE Derate to 35% for repairs to feedwater heater valve CV-605 and condenser tube plugging

5.

Exhibit I - Same Source 50-255 Palisades 12/04/91 SMHandlovits (616)764-8913 a