ML19332E996

Monthly Operating Rept for Nov 1989 for Vermont Yankee Nuclear Power Station.W/891210 Ltr

ML19332E996
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	11/30/1989
From:	Murphy W, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
VYV-89-248, NUDOCS 8912130248
Download: ML19332E996 (6)

Text

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' VERMONT YANKEE NUCLEAR POWER CORPORATION P. O. BOX 157 GOVEDNOR HUNT ROAD l VERNON, VERMONT 05354 l December 10, 1989 VYV 89- 248 U.S. Nuclear Regulatory Commission ,

ATTN: Document Control Desk l Washington, D.C. 20555  ;

Dear Sir:

Submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of November, 1989.  ;

Very truly yours, VERMONT YANKEE NUCLEAR POWER CORT,.

pp . }Qm Warren P/ Murph l

Vice President n Manager of Operat ons cc: 1).USNRC Region I 475 Allendale Road King of Prussia, PA 19406

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

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)I a VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPOk' e?-11 Ul FOR THE MONTH OF NOVEMBEfs, 19 t> 9 2

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DP 0411 Rev. 2 i.

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OPERATING DATA REPORT

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DOCKET NO. 50-271 DATE 891210

.- COMPLETED BY G.J. Wallin  ;

TELEPHONE (802)257-7711

. OPERATING STATUS 3 .; Unit Name:-

1 Vermont Yankee NOTES: ,

,;2. . Reporting Period November  :

3. Licensed Thermal Power (MWt): 1593 4.--Nameplate Rating (Gross MWe): 540 >

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

6. Maximum Dependable Capacity (Gross MWe): 535

7. . Maximum Dependable Capacity (Net MWe): 504 l

-8. Iffchanges 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 . Reasens for restrictions, if any: N/A This Month Yr-to-Date Cumulative 11'. ' Hours In' Reporting Period 720.00 8016.00 -----

112. Number-Of Hours Reactor was Critical 720.00 6672.16 119921.86

13. Reactor' Reserve Shutdown Hours 0.00 0.00 0.00 14 '. HoursLGenerator On-Line 720.00 6629.65 117233.07

- 15 . - Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH)1104772.00 10148697.00 172845403.00

.17. Gross Electrical Energy Generated 374739.00 3396159.00 57558530.00

18. Net Electrical Energy Generated (MWH)359261.00 3227483.00 54636405.00

~19. Unit Service Factor 100.00 82.71 77.78

20. - Unit Availability Factor '

100.00 -~

82.71 77.78

21. Unit Capacity Factor (Using MDC Net) 99.00 79.89 71.92

22. Unit Capacity Factor (Using DER Net) 97.08 78.33 70.53 1 23. Unit' Forced Outage Rate 0.00 0.00 5.76 L 24. Shutdowns scheduled over next 6 months (Type, Date, and Duration of L Each): N/A l-

25. If shut down at end of report period, estimated date of startup: N/A L ~26' . Units-In Test Status (prior to commercial operation): N/A l

Forecast Achieved l' INITIAL CRITICALITY ,

H INITIAL ET.ECTRICITY COMMERCIAL OPERATION LVYDPF 0411.01 L DP 0411 Rev. 2 l -Page 1 of 1 l

.RT No. 13.FO1.'19F-l 1

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AVERAGE DAILY UNIT POWER LEVEL

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. .l DOCKET NO. 50-271 UNIT Vermont Yankee. l DATE 891210 COMPLETED BY G.A. Wallin TELEPHONE (802)257-7711 MONTH November DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL I (MWe-Net) (MWe-Net)

.1. 519 17, 518

2. 519 18. 230

3. 519 19, 402

4. 519 20. 425 5, 517 21. 442 l 6.- 519 22. 496  !

7. 519 23. 520 j

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-8. 519 24. 520

9. 519 25. 520 .

i 10, 519 26, 517 )

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11. 519 27. 520 l

12. 516 28, 520 l

13. 518 29. 521

14. 519 30. 521 15, 519 31.

'16. 519 l

l 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 mt-gawatt.

VVDPF 0411.02

Pr 0411 Kev. 2 Pagu 1 of 1 RT No. 13.FOl.18V

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s:  : g-UNIT SHUTDOWNS AND' POWER REDUCTIONS - =

DOCKET NO 50-271

• NOVEMBER UNIT NAME vermont Yankee REPORT MONTH DATE 591210 COMPLETED BT G.A. Wallin _ _

TELEPHONE (802)257-7311 License Sys a Component Cause and corrective 1 2 Method of Code Action to Shutting poon Erent Code Date Type Duration Reason 5 Prevent Recurrence' No. Reactor .3 Reporte  :

(hours)

RS CONROD Rod Pattern exchange.

0.00 H* 4 N/A 89-08 891118 S Power Reduction CS ZZZZZZ *A" and *S" recirculation MG sets 5 0.00 5 4 N/A removed from service for brush 89-08 $91118 Power wear replacement.

Reduction RB CONROD Rod Pattern adjustment.

0.00 H. 4 N/A 89-09 891120 S Power Reduction 3 Method: 4 Exhibit G- Instructions 2 Reason: 1- Manual for Preparation of Data 1 F: Forced A-Equipment Failure (Explain) Entry Sheets for Licensee S: Scheduled 2- Manual Scram B-Maintenance or Test 3- Automatic Scram Evenc Report (LER) File C-Refueling 4- Other (Explain) (NUREG 0161)

D-Regulatory Restriction E-Operator Training and License Examination 5 Exhibit I -- S a m e Source F-Administrative VYDPP 0411.03 G-Operational Error (Explain)

DP 0411 Rev. 2 *H-(Explain) - Rod Pattern Exchange

- Rod Pattern Adjustment Page 1 of 1 RT No. 13.F01.18F

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,4 . DOCKET NO. 50-271 UNIT Varmont Ycnkea

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1* DATE 891210 COMPLETED BY G.A. Wallin

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TELEPHONE (802)257-7711 REPORT MONTH November ,

SUMMARY

OF OPERATING EXPERIENCES Highlights.

Varmont Yankee operated at 96.3% of rated thermal power for the month.

Gross electrical generation was 374,739 MWHe or 96.4% design electrical ecpacity.

Oparating Summary Tha.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..

891118 At 0123' hours, initiated a power reduction to minimum recirculation flow to perform scheduled maintenance and a rod pattern exchange.

891118 At 0230 hours0.00266 days <br />0.0639 hours <br />3.80291e-4 weeks <br />8.7515e-5 months <br />, at 66% power initiated a rod pattern exchange. i (See Unic Shutdowns and Power Reductions) 891118 At 0544 hours0.0063 days <br />0.151 hours <br />8.994709e-4 weeks <br />2.06992e-4 months <br />, completed the rod pattern exchange.

'891118 At 0607. hours, secured the "A" recirculation pump for MG set brush replacement. (See Unit shutdowns and Power Reductions) 891118 At 1131 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.303455e-4 months <br />, started the "A" recirculation pump following MG-set brush replacement.

891118 At 1148 hours0.0133 days <br />0.319 hours <br />0.0019 weeks <br />4.36814e-4 months <br />, secured the "B" recirculation pump for MG set brush replacement.. (See Unit shutdowns and Power Reductions) 891118 At 1455 hours0.0168 days <br />0.404 hours <br />0.00241 weeks <br />5.536275e-4 months <br />, started the "B" recirculation pump following MG set brush replacement.

891118 At:1532 hours, began a return to full power.

891120- At.1530 hours0.0177 days <br />0.425 hours <br />0.00253 weeks <br />5.82165e-4 months <br />, initiated a power reduction to 65% for a rod pattern adjustment.

891120 At 2000 hours0.0231 days <br />0.556 hours <br />0.00331 weeks <br />7.61e-4 months <br />, began a return to full power.

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

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