ML20044C120

Monthly Operating Rept for Feb 1993 for Vermont Yankee Nuclear Power Station.W/930310 Ltr

ML20044C120
Person / Time
Site:	Vermont Yankee
Issue date:	02/28/1993
From:	Reid D, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-93-027, BVY-93-27, VY-RCE-93-010, VY-RCE-93-10, NUDOCS 9303180111
Download: ML20044C120 (6)

Text

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' 'l- VERMONT YANKEE NUCLE'AR POWER CORPORATION F-y' ') P.O. Box 157, Governor Hunt Road

' Vernon, Vermont 05354-0157 O-

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,f \ (802) 257-7711 l March 10,1993 VY-RCE-93-010 BVY 93-027 'l U.S. Nuclear Regulatory Commission L Washington, D.C. 20555 Attn: Document Control Desk Refemnce: a) License No. DPR-28 (Docket No. 50-271)

Dear Sir:

Submitted hemwith is the Monthly Statistical Report for the Vermont-Yankee Nuclear Power Station for the month of February 1993.

Very truly yours, Vermont Yankee Nuclear Power Corporation Donald A. Reid Vice Pmsident, Operations cc: USNRC, Region I USNRC Resident Inspector, VYNPS DP 0411 Rev. 4 Page1 of1 i

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1-j VERMONT YANKEE NUCLEAR POWER STATION MONTIILY STATISTICAL REPORT 93-02 FOR TIIE MONTII OF FEBRUARY 1993 1

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DP 0411 Rey, 4.

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OPERATING DATA. REPORT DOCKET NO.50-271 DATE 930310 COMPLETED BY G.A. WALLIN TELEPHONE (8021257-7711 DPERATING STATUS

1. Unit Name: Vermont Yankee

2. Reporting Period: Februarv NOTES: l

3. Licensed Thermal Power (MWt) :1593

4. Nameplate Rating (Gross MWe) : 11Q

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

6. Maximum Dependable Capacity (Gross MWe) : 135

7. Maximum Dependable Capacity (Net MWe): EQi n

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 restrictions, if any: -N/A This Month -Yr-to-Date Cumulative

11. Hours in Reporting Period 672.00 1416.00 177480.00 -

12. Number Of Hours Reactor was Critical 672.00 1416.00 345612.35

13. Reactor Reserve Shutdown Hours 0.00 0.001 0.00

14. Hours Generator On-Line 672.00 1416.00. 142670.64~

15. Unit Reserve Shutdown Hours 0.00 0.00. O '. 0 0 '

16. Gross Thermal Energy Generateu tMWH) 1065677.00 2249810.50"212320876.50

17. Gross Electrical Energy Generated .

359270.00 759189.00 70744347.00

18. Net Electrical Energy Generated (MWH) 345437.00 729954.00.-67204829.00 7

19. Unit Service Factor 100.00 100.00 79.62-

20. Unit Availability Factor 100.00 100.00 79.62:

21. Unit Capacity Factor (Using MDC Net) 101.99 102.28- 74.42-

22. Unit Capacity Factor (Using DER Net) 100.01 100.29 72.972

23. Unit Forced Outage Rate 0.00 0.00 5.14

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

25. If shut down.at end of. report period, estimated date.of:startup:N/A

26. Units In Test Status (prior'to commercial operation): N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION VYDPF 0411.01 DP 0411 Rev. 4 Page11 of 1

.RT.No. 13.F01.19F

AVERAGE DAILY UNIT POWER LEVEL

+- DOCKET NO. 50-271 j' UNIT Vermont Yankee DATE 930310' COMPLETED BY G.A. WALLIN TELEPHONE (802)257-7711 ]

MONTH Februarv j

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DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL-r (MWe-Net) (MWe-Net) i

1. 516 17, 517

2. 516 18. 516 .3

3. 516 19. 516 1

4. 516 _ _ . 20. 516 j

5. 516 21. 515 -

C. 516 22. 516

7. 516 23. 516

8. 516 '24. 516

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9. 459 25. 516

10. 516 2 6.- 516

11. 516 27. 515

12. 516 28. 516 f13. 516 29. __

14. 516' 30. ---

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15. 516 31. ---

16. 517 _

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. 4

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DOCKET NO. 50-271 DATE. 230310

' COMPLETED BY G.A. WALLIN '

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TELEPHONE -(802)257-7711 REPORT MONTH Februa rv  ;

fBRC4ARY OF OPERATING EXPERIENCES  !

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Hiqhlights  !

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. Vermont Yankee operated at 99.5% of rated thermal power'for the. month. .I Gross . electrical genera, tion was 359.270 MWHe or 99.0% design electrical.  !

capacity.  !

t Operatino 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% l of~ rated thermal power.

930209 At 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />, initiated a power reduction to perform surveillance testing and a rod pattern exchange.

t 930209 At 0335 hours0.00388 days <br />0.0931 hours <br />5.539021e-4 weeks <br />1.274675e-4 months <br />, initiated MSIV full closure testing. (See Unit-Shutdowns and Power Reductions) 1 i

930209 At 0405 hours0.00469 days <br />0.113 hours <br />6.696429e-4 weeks <br />1.541025e-4 months <br />, initiated a control rod pattern exchange. (See-  !

Unit Shutdowns and Power Reductions) .

.k 930209 At 0555 hours0.00642 days <br />0.154 hours <br />9.176587e-4 weeks <br />2.111775e-4 months <br />, completed the rod pattern exchange. 3 i

930209 At 0815 hours0.00943 days <br />0.226 hours <br />0.00135 weeks <br />3.101075e-4 months <br />, completed MSIV full closure testing, and began'. L, a return to full power.  !

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t At the~end of the reporting period the plant was operating at 99.9t'of. l

rated thermal. power.

VYDPP 0411.04  !

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