ML20132A877

Monthly Operating Rept for Nov 1996 for Monticello Nuclear Generating Plant

ML20132A877
Person / Time
Site:	Monticello
Issue date:	11/30/1996
From:	Richard Anderson, Paustian H NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9612160370
Download: ML20132A877 (5)

Text

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Northem States Power Company Monticello Nuclear Generating Plant 2007 West Hwy 75 Monticello, Minnesota 55362 9637 December 5,1996 Monticello Technical Specification 6.7.A.3 US Nuclear Regulatory Commission l Attn: Document Control Desk

, Washington, DC 20555 l

MONTICELLO NUCLEAR GENERATING PLANT l Docket No. 50-263 License No. DPR-22 Submittal of Monticello Monthly Operating Report for November,1996 in accordance with Monticello Technical Specification 6.7.A.3, the report of operating statistics for the Monticello Nuclear Generating Plant for the Month of November is provided.

Please contact Sam Shirey, Sr. Licensing Engineer, at (612) 295-1449 if you require further information. ,

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-fo r l Roger O Anderso Director l Licensing and Management Issues I

c: Regional Administrator-lli, NRC NRR Project Manager, NRC Sr Resident inspector, NRC State of Minnesota Attn: Kris Sanda '

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J Silberg { l t

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9612160370 961130 PDR ADOCK 05000263 R PDR s

160034

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• ', OPERATING DATA REPORT l

DOCKET NO. 50-263 '

i DATE 12- 2-96 l COMPLETED BY H. H. Paustian i

TELEPHONE 612/295-5151  ;

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! OPERATING STATUS l JNotes J !

1. Unit Name -

Monticello ] ]

! 2. Reporting period: November ] ]

3. Licensed Thermal Power (MWt) : 1670 ) ]

l 4. Nameplate Rating (Gross MWe) : 576.5 ] ] ,

5. Design Electrical Rating (Net MWe): 552.9 ] ] j

6. Maximum Dependable Capacity (Gross MWe): 571.5 ] ] 4 l 7. Maximum Dependable Capacity (Net MWe) : 543.5 ] ] l

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last j

, Report, Give Reasons: .

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

10. Reasons For Restrictions, If Any: __N/A ,

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1 THIS MONTH YR.-TO-DATE CUMULATIVE

11. Hours In Reporting Period 720 8040 222841 1

12. Number Of Hours Reactor Was Critical 696.8 6930.3 182690.1 '

13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7

14. Hours Generator On-Line 673.2 6754.3 179625.1

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1117083 10681815 278734604

17. Gross Electrical Energy Generated (MWH) 388432 3647766 94277797 l

18. Net Electrical Energy Generated (MWH) 374440 3491368 90222740 l

19. Unit Service Factor 93.5% 84.0% 80.6% l

20. Unit Availability Factor 93.5% 84.0% 80.6% l

21. Unit Capacity Factor (Using MDC Net) 95.7% 80.4% 75.5%

22. Unit Capacity Factor (Using DER Net) 94.1% 79.0% 74.2%

23. Unit Forced Outage Rate 6.5% 3.7% 3.4%

24. Shutdowns Scheduled Over Next 12 Months (Type, Date, and Duration of Each)

None ,

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25. If Shut Down At End Of Report Period, Estimated Date Of Startup:

26. Units In Test Status (Prior to Commercial Operation) : N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY __

COh5ERCIAL OPERATION 1

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1 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-263 UNIT Monticello ~~

l DATE 12- 2-96 COMPLETED BY H. H. Paustian l TELEPHONE 612/295-5151 l

MONTH OF November DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 562. 17 563.

2 563. 18 562.

3 563. 19 562.

l 4 561. 20 562. I l l 5 562, 21 562. l i

6 563. 22 563. l 1

7 562. 23 562. )

8 562. 24 562.

l l 9 562. 25 563.

l 10 562. 26 562.

11 562. 27 562.

12 216. 28 560.

13 -10. 29 566.

14 223. 30 561.

15 554.

16 561.

i 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.

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NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE l l

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! DOCKET NO. 50-263 l DATE 12- 2-96 l l COMPLETED BY H. H. Paustian l

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TELEPHONE 612/295-5151 l

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MONTH NOV l 1

l 11-01-96 to Power operation.

11-12-96 i l

11-12-96 Jumper placed on wrong relay during ECCS actuation logic l t testing caused dual recirculation pump trip. Procedures l l required subsequent manual scram to avoid potentially unstable I regions of Power-Flow map.

1 l 11-13-96 Reactor critical, but spurious turbine lockout delayed l successful placing of generator on-line. l l 11-14-96 Excessive turbine vibrations further delayed successful placing of generator on-line. l 11-14-96 to Power operation.

11-30-96 I

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, Note: Power operation defined as essentially 100% of l rated power except for weekend load drops for l

specified surveillance testing.

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UNIT SIRTIDOWNS AND POWER REDUC 1* IONS D0GET NO. 50-263 LNIT NAME N ticrilo -

DATE T-02-J6 COMPLETED BY ~11. I'. Paustian IGPORT M0tml November TELEPHONE- 612/295-5151 - ,

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- i, l No. Date Type Duration Reason  !'etnod LER Systeri Comp. Cause & Corrective (1) (hours) (2) of No. Code Code Action to Shutdown (4) (5) Prevent Recurrence (3) 11 11-12-96 F 32.7 G 2 96-011 B0 RLY During test of ECCS actuation logic, jumper was placed on vrong relay, causing dual recirc pump trip. Procedures required subsequent manual scram.

12 11-13-96 F 5.6 A 4 N/A TA 86 Spurious turbine lockout received shortly after placing generator on-line. No other root cause determined.

13 11-14-96 F 8.5 A 4 N/A TA TRB Vibrat'on problems during turbine roll af ter lock-out required generator be taken off-line again and turbine cooled prior to restart.

1 2 3 4 F: Forced Reason: .

Method: Draft IEEE Standard S: Scheduled A-Equipment Failure (Explain) 1-Manual 805-1984(P805-D5)

B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram 5 D-Regulator Restriction 4-Other (Explain) IEEE Standard 803A-1983 E-Operator Training & License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

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