ML20054F028

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Monthly Operating Rept for May 1982
ML20054F028
Person / Time
Site: Vermont Yankee Entergy icon.png
Issue date: 06/10/1982
From: Burger F
VERMONT YANKEE NUCLEAR POWER CORP.
To:
Shared Package
ML20054F027 List:
References
NUDOCS 8206150152
Download: ML20054F028 (7)
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l VERMONT YANIIE NUCLEAR POWER STATION MONTilLY STATISTICAL REPORT 82-05 FOR Tile MONTil 0F MAY,1982 8206150152 820610 PDR ADOCK 05000271 R PDR

OPERATING DATA REPORT DOCKET NO, 50-271 DATE 820610 COMPLETED OY F. J. Burger TELEPHONE (802)257-7711 ext. 137 OPERATING STATUS Notes

1. Unit Name: Vermont Yankee
2. R; porting Period: Mnv 19R2
3. Lic:nsed Thermal Power (MWt): 15o3
4. N:m plate Rating (Gross MWe): 540
5. De;ign Electrical Rating (Net MWe): 514(OC)504(CC)
6. Maximum Dependable Capacity (Gross MWe): 535
7. Maximum Dependable Capacity (Net MWe): sna
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. Rcasons For Restrictions, If Any:

This Month Yr-to-Date Cumulative

11. Hours In Reporting Period 744.00 3,623.00
12. Number Of Hours Reactor Was Critical 744.00 3.536.21 68,614.36
13. Reactor Reserve Shutdown Hours n nn n nn n.00
14. Hours Generator On-Line 744.00 3,518.88 66,530.07 lf. Unit Reserve Shutdown Hours o,00 0,00 0,00
16. Gross Thermal Energy Generated (MWH) 1 170,inA nn s,Aco 117 nn 45 415.077.50
17. Groas Electrical Energy Generated (MWH) loa oti nn i 962 19n no__ 11 71s ?ot.nn
18. Net Electrical Energy Generated (MWH) 377,371.00 1,783,800.00 30,100,086.00
19. Unit Service Factor 100.00 97.13 78.30
20. Unit Availability Factor 100.00 97.13 78.30
21. Unit Capacity Factor'Using MDC Net) inn Aa 97 Ao 7n_99
22. Unit Capacity Factor (Using DER Net) 98.68 95.79 68.92
23. Unit Forced Outage Rate 0.00 2.87 6.60
24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

NONE i25. 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

)

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. .50-271 UNIT Vermont Yankee DATE 820610 COMPLETED BY F.J. Burger TELEPHONE (802) 257-7711 Ext. 137 NONTH May DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 519 17. 502 1.

504 18. 506 2.

518 19. 506 3.

519 20. 492 4.

518 21. 507 5.

514 22. 508 6.

514 23. 500 7.

8. 516 24. 506 501 25. 509 9.

514 26. 509 10.

51' 27. 508 11.

513 28. 504 12.

29, 497 13.

513 30. 484 14.

512 31, 483 15.

16. 499 INSTRUCTIONS:

On this format, list the average daily unit power level in MWe-Net for each day in Compute to the nearest whole megawatt.

the reporting month.

i

UNIT SilUTDOWNS AND POWER REDUCTIONS DOCKET NO 50-271

  • UNIT NAME Vermont Yankee DATE 820610 REPORT MONE May COMPLETED BY F.J. Burger TELEPIIONE (802) 257-7711 Ext. 137 I

^

$9 m o o y Cause & Corrective No.

  • Date g gg g gg License H port #

E g o l

I O

82-09l820502 S 0 B 4 N/A RB CONROD Power reduction for a control rod pattern I

(Power adjustment and turbine surveillance.

Reduct) l I

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F: Forced Reason: Method: Exhibit G- Instructfons S: Scheduled A-Equipment Failure (Explain) 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 5

F-Administrative Exhibit I - Same Source G-Operational Error (Explain)

II-Other (Explain)

R. _

siJ % 1 &

UNIT Vernont Y,nken DATE 820610 COMPLETED BY F. J. Burger TELEP110NE (802)257-7711 ext. 137 SAFETY RELATED MAINTENANCE 1 of 2 NATURE OF MALFUNCTION ER OR O WAGE MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION EQUIPMENT Service Water Pump Corrective N/A Worn Parts Solenoid Rebuilt Solenoid P7-1B Cooling Water  !!R 82-0519 Inoperable Solenoid Valve SE-70-4B RilR Pump P10-IC Support Corrective N/A Equipment Vibration Loosened Bolting Tightened Bolting

!!R 82-0524 RilR Piping llanger Corrective

  • N/A Equipment Vibration Loosened Bolting Tightened Bolting MR 82-0525 RilR Valve V10-28B Corrective N/A Equipment Vibration lland Wheel Missing Replaced lland Wheel MR 82-0526 Core Spray Valve Corrective N/A Unknown Power Cable Repaire,1 As Necessary CS-7B Motor Operator MR 82-0542 Shield Separated "B" Main Steam Line Corrective N/A Zero Set Point Drif t Meter Reads liigh Adjusted Meter Zero Radiation Monitor MR 82-0547 Set Point Service Water Pump Corrective N/A Normal Wear
  • Packing Leakage Adjusted Packing P7-1A MR 82-0550 I

UNIT Vermont Yankee DATE 820610 COMPLETED BY F. J. Burr,e r TELEP110NE (802)257-7711 ext.13 SAFETY RELATED HAINTENANCE 2 of 2 NATURE OF HALFUNCTION

.ER OR OUTAGE MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION EQUIPMENT 24V DC Power Supply Corrective LER 82-9/3L Failed Parts Indicators Replaced Power Supply for Reactor Vessel MR 82-0564 Reading Low Pressure / Level Inst.

RilR Service Water Pump Corrective LER 82-10/3L Loose Parts Tripped Breaker Removed Loose Parts P8-1A ACB MR 82-0569 PCIS Relay Preventive N/A Normal Wear P.elay Worn and Rebuilt Relay 16A-K7D MR 82-0650 Odoriferous

DOCKET NO. 50-271 UNIT Vermont Yankee DATE 820610 COMPLETED BY F.J. Lurger TELEPHONE (802) 257-7711 Ext. 137 REPORT MONTH May

SUMMARY

OF OPERATING EXPERIENCES Highlights Verdont Yankee operated at 99.48% of rated therm /.1 power for the month.

Gross electrical generation was 396,911 MWH, or98.87% of design electrical capacity.

Operating Summarv 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 99.96% of rated thermal power.

820502 At 0030 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br /> a power reduction was initiated for a control rod pattern adjustment and turbine surveillance.

At 0155 hours0.00179 days <br />0.0431 hours <br />2.562831e-4 weeks <br />5.89775e-5 months <br /> a return to full power was started.

820516 At 0001 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, in accordance with an agreement with state agencies, the plant circulating water system went on a " Hybrid" cycle for the purposes of gathering data on the affects of discharging cooling water to the river.

820531 At 2115 hours0.0245 days <br />0.588 hours <br />0.0035 weeks <br />8.047575e-4 months <br /> the plant circulating water system was placed on the cooling towers.

At the end of the reporting period the plant was operating at 99.81% of rated thermal power.

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