ML20212A207

Monthly Operating Rept for Nov 1986

ML20212A207
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	11/30/1986
From:	Murphy W, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC
References
VYV-86-392, NUDOCS 8612220324
Download: ML20212A207 (6)

Text

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I VERMONT YA*EE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 86-11 FOR THE K) NTH OF NOVEMBER,1986 i

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OPERATING 04TA REPORT DOCKET NO.

50-271 DRTE 861210 COMPLETED BY G.A. Wallin TELEPHONE (802) 257-7711 OPERATING STATUS 1.

Unit Name:

Vermont Yankee 2.

Reporting Period:

November 3.

Licensed Thermal Power (MWt):

1593 4.

Nameplate Rating (Gross MWe):

540 5.

Design Electrical Rating (Net MWe):514(oc) 504(cc) 6.

Maximum Dependable Capacity (Gross MWe):

535 7.

Maximum Dependable Capacity (Net MWe).

504 8.

If changes occur in capacity ratings (Items Number 3 throuch 7) since last report, give reasons.

N/A 9.

Power level to which restricted, if any (Net MWe). N/A

10. Reasons for restrictions, if any.

N/A This month Yr-to-Date Cumulative

11. Hours in Reporting Period 720.00 8016.00

12. Number of Hours Reactor was Critical 720.00 3615.67 96726.73

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line 720.00 3516.34 94234.69

15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH) 1130763.00 5394385.50 137504016.50

17. Gross Electrical Energy Generated (MWH) 383671.00 1775176.00 45731078.00

18. Net Electrical Energy Generated (MWH) 368202.00 1676695.00 43376945.00

19. Unit Service Factor 100.00 43.87 75.74

20. Unit Availability Factor 100.00 43.87 75.74

21. Unit Capacity Factor (using MDC Net) 101.47 41.50 69.17

22. Unit Capacity Factor (using DER Net) 99.49 40.69 67.83

23. Unit Forced Outage Rate 0.00 1.71 6.74

24. Shutdowns scheduled over next 6 months (Type. Date and Duration of Each).

NA

25. If shut down at end of report period, estimated date of startup.

NA

26. Units in Test Status (prior to commercial operation). N/A Forecast Achieved INITIAL CRITICALITY VYDPF 0411.01 INITIAL ELECTRICITY Original COMMERCIAL OPERATION

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AVERAGE MILY LNIT POWER LEVEL DOCKET 10. -

50-271 f _'

UNIT Vermont Yankee DATE 861210 CO WLETED BY

_G.A. Wallin TELEPIONE (802) 257-7711 MONTH: November DAY " AVERAGE DAILY POWER LEVEL mY -

AVER 4GE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 398 17 519 2

453 18 519 3

515 19 519 4

520 20 518 5

519 21 519 6

519 22 519 7

519 23 515 8

517 24 519 9

503

'25 519 10 518 26 519 11 519 27 519 12 519 28 519 13-519 29 519 14 518 30 512 15 519 31 16 516 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 mecawatt.

VYDPF 0411.02 O riginal

DOCKET 2.

50-271 UNIT f6ME V rmont Yankee.

UNIT SiUTDOWNS AND POWER REDUCTIONS

[ RTE 861210 COMPLETED BY G. A. Wallin REPORT ENTH November TELEPK)NE (802) 257-7711 1

2 3

4 5

No.

Date Type Duration Reason Method of License System Component Cause and Corrective Action to (hours)

Shutting Down Event Code Code Prevent Recurrence Reactor Report #

86-10 861101 S

0.00 B,H*

4 N/A E

CONROD Power reduction for control rod Power pattern exchange and surveillance Reduction testing.

1 2

3 4

F-Forced A-Equipment Failure (Explain)

Method.

Exhibit G - Instructions S-Scheduled B-Maintenance or Test 1-Manual for Preparation of Data Entry C-Refuelino 2-Manual Scram Sheets for Licensee Event D-Regulatory Restriction 3-Automatic Scram Report (LER) File (NUREG 0161)

E-Operator Training and License Examination 4-Other (Explain)

F-Administrative 5

VYDPF 0411.03 G-Operational Error (Explain)

Exhibit I - Same Source Original

• H-Other (Explain)- Control Rod Pattern Exchange e

DOCKET NJ..

50-271 UNIT Varmont Yankee (N TE 861210 COWLETED BY G.A. Wallin TELEPHONE (802) 257-7711 REPORT MONTH November SIMERY OF OPERATING EXPERIENCES Hiahlights Vermont Yankee operated at 98.6% of rated thermal power for the month.

Gross electrical generation was 383,671 MWH or 98.7% of design e

electrical capacity.

Operatino Summary, The following is a chronological description of plant operations includino other pertinent items of interest for the month:

At the beginning of the reportina period the plant was operating at 78.7% of rated thermal power.

861101 At 0800 hours0.00926 days <br />0.222 hours <br />0.00132 weeks <br />3.044e-4 months <br />, reduced power to 76% to perform Control Rod (See Unit Shutdowns and Power exercising)and Turbine surveillance.

Reductions 861101 At 1000 hours0.0116 days <br />0.278 hours <br />0.00165 weeks <br />3.805e-4 months <br />, initiated a Red Pattern Exchange at minumum recirculation flow.

861101 At 1100 hours0.0127 days <br />0.306 hours <br />0.00182 weeks <br />4.1855e-4 months <br />, completed the Rod Pattern Exchange.

861101 At 1230 hours0.0142 days <br />0.342 hours <br />0.00203 weeks <br />4.68015e-4 months <br />, a return to full power was started.

At the end of the reporting period the plant was operating at 98.5% of rated thermal power.

VYDPF 0411.04 Original

r VERMONT YANKEE NUCLEAR POWER CORPORATION P. O. BOX 157 GOVERNOR HUNT ROAD VERNON, VERMONT 05354 VYV 86-392 December 10, 1986 U. S. Nuclear Reoulatory Commission Director, Office of Management Information and Program Control Washington, D. C.

20555 Dear Sire Submitted herewith is the Monthly Statistical Repo' t for the Vermont Yankee Nuclear Power Station for the month of November,1986.

Very truly yours.

VERMONT YAWEE NUCLEAR POWER CORP.

Warren. Murphy Vice President and Manager of Operations WPM / RAW /lat:MSR1.1ASR VYDFF 0411 Original 7

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