ML20070G154

Monthly Operating Rept for Feb 1991 for Vermont Yankee Power Station

ML20070G154
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	02/28/1991
From:	Murphy W, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
VYV-91-072, VYV-91-72, NUDOCS 9103110274
Download: ML20070G154 (6)

Text

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e VERMONT YANKEE NUCLEAR POW ER CORPOR ATION P. O. BOX 157 GOVERNOR HUNT ROAD VERNON, VERMONT 05354 March 10, 1991 VYV 91-072 U.S. Nuclear Pegulatory Commission ATTN: Document Control Desk Washington, D.C.

20555

Dear Sir:

Submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of February, 1991.

Very truly yours, VERMONT YANKEE NUCLEAR POWER CORP.

Anfft Wa rren P. / Murphy.

Senior Vice Pres;

, Operations cci-1) USNRC Region I 475 Allendale Road King of Prussia, PA 19406

2) USNRC Resident Inspector, VYNPS DP 0411 Rev. 3 Page 1 of 1

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l VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 91-02 FOR THE MONTH OF E'EBRUARY, 1991 DP 0411 Rev. 3 Page 1 of 1

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OPERATING DATA REPORT DOCKET NO.

50-271 DATE 910310 COMPLETED BY G.A.

Wallin TELEPHONE (802)257-7711 OPERATING STATUS

'1.

Unit Name:

Vermont Yankee NOTES:

'2.

Reporting Period:

February 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 through 7)since last report, give reasons:

N/A 9.

Power level to which restricted, if any(Net MWe):

N/A

10.. Reasons for rettrictions, if any:

N/A This Month Yr-to-Date Cumulative-

11. - Hours In Reporting Period 672.00-1416.00 159936.00 12.~ Number Of Hours Reactor was Critical 672.00 1416 00 129604.63 13.

Reactor Reserve Shutdown Hours 0.00 0.00 0.00 11 4.

Hours' Generator On-Line 672.00 1416.00 126787.60 15.

Unit Reserve Shutdown Hours 0.00 0.00 0.00 16.

Gross Thermal Energy Generated (MWH)1069794.00 2228731.50 187544036.50

'17.

Gross Electrical Energy Generated 361283.00 752270.00 62499765.00 18.

Net Electrical Energy Generated (MWH)346731.00 721864.00 59353834.00 11 9.

Unit Service Factor-100.00-100.00 78.44

20.

Unit Availability Factor 100.00 100.00 78.44 21.

Unit-Capacity Factor (Using MDC Net) 102.37 101.15 72.83 22.

Unit Capacity Factor (Using DER Net) 100.38 99.18 71.44 23.

Ur.it Forced Outage Rate.

0.00 0.00 _

5.46 24.

Shutdowns scheduled over next 6 months (Type, Date, and Duration of Each):-N/A, 25.

If shut down at end-of report petiod, estimated date of startup: N/A

26. -Units In Test Status (prior-to commercial operation): N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY

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COMMERCIAL OPERATION VYDPF 0411.01 DP.0411 Rev. 3 Page'1.of 1 RT No. 13.F01.19F

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 910310 COMPLETED BY G.A. Wallin ___

TELEPHONE (802)257-7711 MONTH rebruary DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1.

516 17.

515 2.

~~

516 18.

516 3.

515 19.

516 4.

516 20.

516 5,

517 21, 516 6.

517 22, 518 7.

516 23.

516 8.

516 24.

515 9.

516 25.

516 10, 515 26, 516 11.

516 27.

~~

516 12, 515 28.

516 13.

516 29.

14.

516 30.

15.

516 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 megawatt.

VYDPF 0411.02 DP 0411 Rev. 3 Page 1 of 1

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RT No. 13.FO1.18V

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e UNIT SHUTDOWNS AND POWER REDUCTION 9 DOCKET NO 50-271 REPORT MONTH FEBRUARY UNIT NAME Vermont Yankee DATE 910310 COMPLETED BY G.A.

Wallin g

TELEPHONE (802:257-7711 1

2 Method of License system Component Cause and Corrective No.

Date Type

. Duration Reason Shutting Down Event.

Code

. Code Action to (hours)

Reactor 3 Reporte 4

5 Prevent Recurrence None 1 F: Forced 2 Reasons 3 Method:

4 Exhibit G-Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scras' Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File.

D-Regulatory Restriction 4-Other (Explain)

(NUREG 0161)

E-Operator Training and License Examination F-Administrative 5 Exhibit I - Same Source VYDPr C411.03 0-Operational Error (Explain)

DP 0411 Rev. 3 H-(Explain)

Page 1 of 1 5

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DOCKET NO. 50-271 UNIT Vermont Yankee DATE 910310 COMPLETED BY G.A.

Wallin TELEPHONE (802)257-7711 REPORT MONTH February

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 99.9% of rated thermal power for the month.

Gross electrical generation was 361,283 MWHe or 99.6% design electrical capacity.

Operating Summary The following is a chronological description of plant operations including other pertinent items of interest for the month:

At the beginning of the reporting period the plant was operating at 99.9%

of rated thermal power.

There were no items of interest to report this month.

At the end of the reporting period the plant was operating at 99.9% of rated thermal power.

VYDPF 0411.04 DP 0411 Rev. 3 Page 1 of 1 RT No. 13.F01.18X

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