ML20205A293

Monthly Operating Rept for Mar 1985

ML20205A293
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	03/31/1985
From:	Burger F, Murphy W VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
VYV-85-206, NUDOCS 8504250471
Download: ML20205A293 (7)

Text

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e VERMONT YAt4(EE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 85-03 FOR THE MONTH OF MARCH, 1985 5

I i-I t-4'-

I GN 8504250471 850331 ll\\

PDR ADOCK 05000271 R

PDR

OPERATING DATA REPORT Docket No.

50-271 Date 850410 Completed by F.J. Buroer Telephone (802) 257-7711 OPERATING STATUS Notes:

1.

Unit Name:

Vermont Yankee 2.

Reporting Period: March 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 restrictions, if any:

N/A This month Yr-to-Date Cumulative

11. Hours in Reporting Period 744.00 2160.00

12. Number of Hours Reactor was Critical 744.00 2144.97 88958.90

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Generator On-Line 744.00 2139.55 86569.62

15. Unit Reserve' Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWH) 1167711.50 3362770.50 125921780.00

17. Gross Electrical Energy Generated (MWH) 395940.00 1140546.00 41930294.00

18. Net Electrical Energy Generated (MWH) 379255.00 1093661.00' 39794509.00

19. Unit Service Factor 100.00 99.05 78.84

20. Unit Availability Factor 100.00 99.05 78.84

21. Unit Capacity Factor (using MDC Net) 101.14 100.46 71.91

22. Unit Capacity Factor (using DER Net) 99.17 98.51 70.51

23. Unit Forced Outage Rate 0.00

.95 7.23

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

Refuelina outaae scheduled to start September 14, 1985 and continue to April 26, 1986.

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

26. Units in Test Status (prior to commercial operation):

Forecast Achieved Initial Criticality Initial Electricity Commercial Operation MSR.F1

AVERAGE DAILY UNIT POWER LEVEL Docket No.

50-271 Unit Vermont Yankee Date 850410 Completed by F.J. Buraer Telephone (802) 257-7711

' MONTH March DAY AVERAGE. DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 518 17 510 2

440 18 517 3

515 19 517' 4

517 20 517 5

519 21 517 6

518 22 517 7

517 23 395 8-518 24 501 9

518 25 516 10 513 26 517 11 518 27 517 12-518 28 517 13 517 29 516 14 -

518 30 516 15 517 31 510 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.

MSR.F2

Dock t No.

50-271 Unit V~rmont Yankee UNIT SHUTDOWNS AND POWER REDUCTIONS Datn 850410 Completed by F'.

J. Burger

• REPORT-MONTH March Telephone (802) 257-7711 1

2 3

4 5

No.

Date.

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

Shutting Down Event Code Code Prevent Recurrence Reacter Report #

l 85-05 850302 S

O B

4 N/A RB CONR00 Power reduction for control rod Power testing.

Reduction 85-06 850323 S

O B

4 N/A RB CONR00 Power reduction for a control Power rod pattern exchange and Reduction surveillance testing.

1 2

3 4

i F-Forced A-Equipinent Failure (Explain)

Method Exhibit G - Instructions S-Scheduled B-Maintenance or Test 1-Manual for Preparation of Data Entry C-Refueling 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

G-Operational Error (Explain)

Exhioit I - Same Source H-Other (Explain)

MSR.F3 i

Dock:;t No.

50-271

. Unit Vrrmont Yankee Data 850410 Completed by F.J. Burger SAFETY-RELATED MAINTENANCE Telephone (802)257-7711 EQUIPENT NATURE OF LER OR OUTAGE MALFUNCTION CORRECTIVE ACTION MAINTENANCE NLNBER CAUSE RESULT None MSR.F4

Docket No. 50-271 Unit Vermont Yankee Date 850410 Completed by F.J. Burger Telephone (802)257-7711 REPORT MONTH March SL) NARY OF OPERATING EXPERIENCES Highliahts Vermont Yankee operated at 98.5% of rated thermal power for the month. Gross electrical generation was '3Ei 940 MWH or 98.5 % of design electrical e

capacity.

4 Operatina 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 99.8% of rated thermal power.

850302 At 0730 hours0.00845 days <br />0.203 hours <br />0.00121 weeks <br />2.77765e-4 months <br /> a power reduction was initiated for control rod testing.

850302 At 1300 hours0.015 days <br />0.361 hours <br />0.00215 weeks <br />4.9465e-4 months <br /> a return to full power was started.

850323 At 0405. hours a power reduction was initiated for surveillance testing and a control rod pattern exchange.

850323 At 0907 hours0.0105 days <br />0.252 hours <br />0.0015 weeks <br />3.451135e-4 months <br /> a return to full power was started.

At the end of the reporting period the plant was operating at 99.8% of rated thermal power.

MSR.F5

Y o

VERMONT YAN KEE NUCLEAR POWER CORPORATION P. O. BOX 157 GOVERNOR IIUNT ROAD VERNON, VERMONT 05354 VYV 85-206 April 10, 1985 U. S. Nuclear Regulatory Commission Director, Office of Management Information and Program Control Washington, D. C.

20555 Dear Sirs Submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of March,1985.

Very truly yours, VERMONT YANKEE NUCLEAR POWER CORPORATION g' fin 'll I

Warren P. Murphy t Vice President and Manager of Operations WPMgJB/pt:MSRI.1 S&W

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