ML20212P612

Monthly Operating Rept for Feb 1987

ML20212P612
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	02/28/1987
From:	Murphy W, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
VYV-87-051, VYV-87-51, NUDOCS 8703160169
Download: ML20212P612 (6)

Text

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VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 87-02 FOR THE MONTH OF FEBRUARY, 1987 i

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8703160169 870228 PDR ADOCK 05000271 R

PDR

OPERATING DATA REPORT DOCKET NO.

50-271 P

DATE-870310 COMPLETED BY G.A. Wallin TELEPHONE (802) 257-7711 i-l OPERATING STATUS Notes:

1.-

Unit Names Vermont Yankee 2.

Reporting Period:

February 3.

Licensed Thermal Power (MWt):

1593

[

4.

Nameplate Rating (Gross MWe):

540 j.

5.

Design Electrical Rating (Not MWe):514(oc) 504(cc) 6.

Maximus Dependable Capacity (Gross MWe):

535 7.

Maximum Dependable Capacity (Not MWe):

504 1

L 8.

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

N/A i

9.

Power level to which restricted, if any (Not 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

12. Number of Hours Reactor was Critical 672.00 1416.00 98886.73

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00 l-

14. Hours Generator On-Line 672.00 1416.00 96394.69 I

15. Unit R rve Shutdown Hours 0.00 0.00 0.00

16. Gross E rmal Energy Generated (MWH)

Avoeu.. vu u=vove.ov i=vvive==.vu

17. Gross Electrical Energy Generated (MWH) 359326.00 760770.00 46889604.00 4

18. Net Electrical Energy Generated (MWH) 344782.00_

729952.00 44488628.00

19. Unit Service Factor 100.00 100.00 76.16

20. Unit Availability Factor 100.00 100.00 76.16

21. Unit capacity Factor (using MDC Net) 101.80 102.28 69.74

22. Unit Capacity Factor (using DER Net) 99.82 100.29 68.38

23. Unit Forced Outage Rate-0.00 0.00 6.60 l

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

1987 Refuelino Outaae scheduled to beain on Auaust 8, 1987 and continue throuah October 2, 1987.

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 f.

INITIAL CRITICALITY VYDPF 0411.01 INITIAL ELECTRICITY Original COMMERCIAL OPERATION

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-271 UNIT Vermont Yankee DATE 870310 COMPLETED BY G.A. Wallin i

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

(MWe-Net) 1 515__

17 519 2

518 18 519 3

519 19 519 4

520 20 519 5

519 21 519 6

518 22 515 7

409 23 519 8

480 24 519 9

519 25 518 10 519 26 519 11 519 27 519 12 519 28 519 13 519 29 14 519 30 15 516 31 16 518 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 Original i

5 DOCKET NO.

50-271 UNIT NAE Vermont Yankee UNIT SHUTDOWNS AND POWER REDUCTIONS DATE 870310 COMPLETED BY G. A. Wallin REPORT MONTH February TELEPHOE (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 #

87-02 870207 S

0.00 B

4 N/A RB ZZZZZZ Power reduction for Turbine Power Bypass Valve testing.

Reduction 87-02 870207 S

0.00 B,H*

4 N/A RB CONROD Power reduction for a Control Roc 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-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

VYDPF 0411.03 G-Operational Error (Explain)

Exhibit I - Same Source Original

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

g DOCKET NO.

50-271 UNIT V:rmont Yankee DATE 870310 C0tn.CTED BY G.A. Wallin TELEPHONE (802) 257-7711 REPORT MONTH February SU N RY OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 98.9% of rated thermal power for the month.

Gross electrical generation was -'59,326 MWH or 99.0% of design e

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.

870207 At 0825 hours0.00955 days <br />0.229 hours <br />0.00136 weeks <br />3.139125e-4 months <br />, reduced power to 80% to perform turbine bypass valve testing.

(See Unit Shutdowns and Power Reductions) 870207 At 0835 hours0.00966 days <br />0.232 hours <br />0.00138 weeks <br />3.177175e-4 months <br />, completed turbine bypass valve testing. Reduced power to minimum recirculation flow.

870207 At 0903 hours0.0105 days <br />0.251 hours <br />0.00149 weeks <br />3.435915e-4 months <br />, initiated control rod exercising and turbine surveillance.

870207 At 0920 hours0.0106 days <br />0.256 hours <br />0.00152 weeks <br />3.5006e-4 months <br />, tripped the "A" recirculation pump for K1 set brush replacement.

870207 At 1103 hours0.0128 days <br />0.306 hours <br />0.00182 weeks <br />4.196915e-4 months <br />, completed control rod exercising and turbine sur-veillance; initiated a rod pattern exchange.

(See Unit Shutdowns and Power Reductions) 870207 At 1218 hours0.0141 days <br />0.338 hours <br />0.00201 weeks <br />4.63449e-4 months <br />, completed the rod pattern exchange.

870207 At 1255 hours0.0145 days <br />0.349 hours <br />0.00208 weeks <br />4.775275e-4 months <br />, started the "A" recirculation pump and a return to full power was initiated.

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

VYDPF 0411.04 Original

4 VERMONT YANKEE NUCLEAR POWER CORPORATION P. O. BOX 157 GOVERNOR !!UNT ROAD VERNON, VERMONT 05354 VYV 87- 051 March 10, 1987 i

U. S. Nuclear Regulatory Commission Director, Office of Management Information and Program Control 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, 1987.

Very truly yours, VERMONT YANKEE NUCLEAR POWER CORP.

b NM Warren P. Murphy Vice President and Manager of Operations WPH/ TAW / mmh:MSR1.1/MSR VYDPF 0411 Original h

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