ML20042A991

Monthly Operating Rept for Jan 1982

ML20042A991
Person / Time
Site:	Vermont Yankee
Issue date:	02/05/1982
From:	Burger F VERMONT YANKEE NUCLEAR POWER CORP.
To:
Shared Package
ML20042A989	List: ML20042A988 ML20042A991
References
NUDOCS 8203240368
Download: ML20042A991 (7)

Text

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4 VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 82-01 FOR THE MONTH OF JANUARY, 1982 l

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OPERATING DATA REPORT DOCKET NQ, 50-271 DATE 820205 COMPLETED BY F.J. Burger TELEPHONE (802) 257-7711 ext. 137 OPERATING STATUS

1. Unit Name: Vermont Yankee E*'ReportingPeriod: -January

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:

9. Power Level to Which Restricted If Any(Net MWe):

10. Reasons For Restrictions, If Any:

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.This Month Yr-to-Date Cumulative

11. Hours In Reporting Period 744.00 744.00

12. Number Of Hours Reactor Was Critical 694.67 694.67' 65,777.82

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00 L4. Hours Generator On-Line 686.18 686.18 63,697.37 l lb. Unit Reserve Shutdown Hours 0.00 0.00 0.00

15. Gross Thermal Energy Generated (MWH) 1.042.171.50 1,042,171.50 90,957,932.00

17. Gross Electrical Energy Generated (MWH) 353.814.00 353.814.00 30,225,785.00

18. Net Electrical Energy Generated (MWH) 339,608.00 339,608.00 28,655.894.00

19. Unit Service Factor 92.23 92.23 77.60

20. Unit Availability Factor 92.23 92.23 77.60

21. Unit Capacity Factor (Using MDC Net) on 97 90.57 69.27

22. Unit Capacity Factor (Using DER Net) 88.81 88.81 67.92 ;

23. Unit Forced Outage Rate 7.77 7.77 6.81 '

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

25. If Shut Down At End Of Report Petiod, Estimated Date of Startup:

26. Units In Test Status (Prior to Connercial Operation): Forecast Achieved, INITIAL CRITICALITY INITIAL ELECTRICITY CCMMERCIAL OPERATION

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 820205 COMPLETED BY F.J. Burger TELEPHONE (802) 257-7711 ext. 137 MONTH January DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 520 17. 516

2. 520 18, 520

3. 510 19, 483

4. 520 20. 521

5. 521 21. 521

6. 521 22. s21

7. 522 23. s?1

8. 521 24. s19

9. 521 25. tag

10. 509 26. a

11. 521 27. n

12. 521 28. 97

13. 522 29. 346

14. 497 30. 394

15. 521 31. 417

16. 521 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.

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UNIT SilUTDOWNS AND POWER REDUCTIONS DOCKET No 50-271 UNIT NAME Vermont Yankee REPORT MONTil January DATE 820205 COMPLETED BY F.J. Burger TELEPIIONE (802) 257-7711 ext. 13/

@Q n T $ $ Cause & Corrective No. Date y yy g yjg License

% A d on to e Report # 0 0 "

E g u a

82-01 820114 F 0 A 4 NA IIG DEMINX Power reduction because of condensate (Power demineralizer problem.

Reduct) 82-02 820119 F 0 A 4 NA IIG DEMINX Power reduction because of condensate (Power demineralizer problem.

Reduct) 82-03 820126 F 57.82 A 1 NA IIB PIPEXX Plant shutdown to repair main turbine moistureseparatordrainlineehsion.

82-04 820130 S 0 B 4 NA RB CONROD d'

Power reduction for a control rod pattern (Power adjustment.

Reduct)

I F: Forced Reason: Method-S: Scheduled A-Equipment Failure (Explain)

Exhibit G- Instructions 1- Manual for Preparation of Data B-Maintenance or Test 2- Manual Scram Entry Sheets for Licensee C-Refueling 3- Automatic Scram Event Report (LER) File D-Regulatory Restriction 4- Other (Explain) (NUREG 0161)

E-Operator Training & License Examination F-Administrative 5 Exhibit I - Same Source G-Operational Error (Explain)

II-Other (Explain) 7/80

DOCKET NO. 50-271 UNIT Vermont Yanken DATE 820205 COMPLETED BY F.J. Burger TELEPHONE (802) 257-7711 ext. 137 SAFETY RELATED MAINTENANCE 1 of 2 NATURE OF LER OR OUTAGE MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION Various Solenoid Valves In Preventive NA NA NA Replaced Existing Valve?

The Reactor Building MR 81-0314 With Environmentally Qualified Valves "B" Diesel Generator Service Corrective NA Worn Parts Solenoid Sticks Rebuild Solenoid Water Flow Control Valve Air MR 81-1361 Solenoid MSIV's 86 B & D Valve Posi- Corrective NA Misalignment Switches Actuate 1 Realigned Switches tion Switches MR 81-1562 In A More Conser -

vative Manner Temperature Recorder TRl- Corrective NA Loose Connections Erratic Readings Tightened Connections 149-1, Point 2 MR 81-1577 RCIC Trip Throttle Corrective NA Normal Wear Packing Leak Cleaned and Repacked Valve MR 81-1585 Valve MR 82-0121 RCIC Valve, V13-21 Corrective NA Torque Switch Out Valve Would Not Adjusted Torque Switch MR 81-1621 of Adjustment Fully Close RWCU Valve PCV 12-55 Corrective NA Actuator Binding Seat Leakage Aligned Actuator MR 82-0045 RWCU Valve SP 12-30A Corrective NA Worn Parts Seat Leakage Replaced Parts As MR 82-0049 Necessary 9

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DOCKET NO. 50-271 UNIT Vermont Yankee DATE 820205 COMPLETED BY F.J. Burger TELEPHONE (302) 257-7711 ext. 137-SAFETY RELATED MAINTENANCE 2 of 2 NATURE OF MALFUNCTION LER OR OUTAGE EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION LPRM/RPIS 4 Rod Display On Corrective NA Failed Components No Indication Replaced Parts As CRP 9-5 MR 82-0064 Necessary Reactor Relief Valve V2-71D Corrective NA Suspected Pilot Increasing Tail- Replaced Relief Valve MR 82-0070 Valve Leakage pipe Temperaturen RWCU V12-55 Corrective NA Loose Packing Leakage Adjusted Packing MR 82-0071 CAD Valve FSO 109-75D-2 Corrective NA Position Indicatior Faulty Position Adjusted Switch MR 82-0086 Switch Out Of Indication Adjustment "A" SBGT Demister. Corrective NA Normal Operation High D/P Cleaned Demister MR 82-0101 "A" Fuel Oil Transfer Pump Corrective NA Cold Weather, Dirt Low Pumping Rate Cleaned Strainer MR 82-0120 "B" Fuel Oil Transfer Pump Preventive NA NA NA Cleaned Strainer Suction Strainer MR 82-0130 O

R DOCKET NO. 50-271 UNIT Vermont Yankee DATE 820205 F.J. Burger COMPLETED BY [

TELEPHONE (802) 257-7711 ext. 137 REPORT MONTH January

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 87.93% of rated thermal power for the month.

Gross electrical generation was 353,814 MWH

• or 88.06%of design electrical capacity.

Operating Summary i

The following is a chronological description'of plant operations including ,

other pertinent items of interest' for the month:

1/1/82 At the beginning of the reporting period the plant was operating at 99.7%of rated themal power. -

1/14/82 At 1100 hours0.0127 days <br />0.306 hours <br />0.00182 weeks <br />4.1855e-4 months <br /> a power reduction-was: initiated because of condensate-demineralizer problems. '

At 1416 hours0.0164 days <br />0.393 hours <br />0.00234 weeks <br />5.38788e-4 months <br /> a return to'fdll power was initiated.

1/19/82 At 1105 hours0.0128 days <br />0.307 hours <br />0.00183 weeks <br />4.204525e-4 months <br /> a power reduction was initiated because of condensate demineralizer problems.

At 1725 hours0.02 days <br />0.479 hours <br />0.00285 weeks <br />6.563625e-4 months <br /> a return to full power was initiated.

1/25/82 At.2100 hours0.0243 days <br />0.583 hours <br />0.00347 weeks <br />7.9905e-4 months <br /> a plant shutdown.was initiated'to repair a moisture separator drain line. ~' ' ,' .

1/26/82 At 0142 hours0.00164 days <br />0.0394 hours <br />2.347884e-4 weeks <br />5.4031e-5 months <br /> the turbine gen rator was taken off.line.

At 0220 hours0.00255 days <br />0.0611 hours <br />3.637566e-4 weeks <br />8.371e-5 months <br /> the reactor was scramed. *

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1/28/82 At 0236 hours0.00273 days <br />0.0656 hours <br />3.902116e-4 weeks <br />8.9798e-5 months <br /> a reactor start up was initiated.

At 0340 hours0.00394 days <br />0.0944 hours <br />5.621693e-4 weeks <br />1.2937e-4 months <br /> the reactor was critical.

At 1129 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.295845e-4 months <br /> the turbine senerator was phased on to the grid.

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1/30/82 At 1432 hours0.0166 days <br />0.398 hours <br />0.00237 weeks <br />5.44876e-4 months <br /> a power reduction was initiated foe a control rod pat' tern adjustmen't. _

At 1930 hours0.0223 days <br />0.536 hours <br />0.00319 weeks <br />7.34365e-4 months <br /> a return to" full power was initiated.

1/31/82'. At_the~end of the reporting period the plant was at 91% of rated th'ermal power. . ._

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