BVY-97-021, Monthly Operating Rept for Jan 1997 for VYNPS

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Monthly Operating Rept for Jan 1997 for VYNPS
ML20134M209
Person / Time
Site: Vermont Yankee Entergy icon.png
Issue date: 01/31/1997
From: Maret G, Wallin G
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-97-021, BVY-97-21, NUDOCS 9702200143
Download: ML20134M209 (6)
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VisRMONT YANKEE NUCLEAR POWER CORPORATION

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  • d' N P.O. Box 157, Governor Hunt Road Vernon, Vermont 05354-0157

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(802) 257-7711

- February, 10 1997 BVY-97-021 4 I

United States Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555

Reference:

(a) License No. DPR-28 (Docket No. 50-271) l In accordance with section 6.7.A.3 of the Vermont Yankee Technical Specifications, submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of Januarv.1997.

1 Sincerely, VEq0NT Y ANKEE NUCLEAR POWER CORPORATION 1

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rego . aret Plant Manager cc: USNRC Region I Administrator USNRC Resident Inspector - VYNPS USNRC Project Manager - VYNPS fh 9'\ I 9702200143 970131 PDR ADOCK 05000271 R PDR 1993,g

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VERMONT YANKEE NUCLEAR POWER STATION i

MONTHLY STATISTICAL REPORT 97-01 FOR THE MONTH OF JANUARY 1997 l

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DP 0411 Rev. 6 Page 1 of 1 h

. OPERATING DATA REPORT DOCKET NO.50-271 DATE 970210 ,

COMPLETED BY G.A. WALLIN l TELEPHONE (802)258-5414 OPERATING STATUS i

1. Unit Name: Vermont Yankee l
2. Reporting Period: Janaury
3. Licensed Thermal Power (MWt):1593
4. Nameplate Rating (Gross MWe): 540 l l
5. Design Electrical Rating (Net MWe): 111  !

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6. Maximum Dependable Capacity (Gross MWe): 535
7. Maximum Dependable Capacity (Net MWe): 510 l 8. If changes, occur in capacity ratings (Items Number 3 through 7) since i last report, give reasons:
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 t,00 744.00 211872.00

12. Number Of Hours Reactor was Critical 744.00 744.00 175710.60
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00
14. Hours Generator On-Line 744.00 744.00 172417.27
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
16. Gross Thernal Energy Generated (MWH) 1182115.05 1180725.05 258827858.60
17. Gross Electrical Energy Generated 407838.00 407838.00 86459260.00
18. Net Electrical Energy Generated (MWH) _392334.00 392334.00 82208223.00
19. Unit Service Factor 100.00 100.00 81.38
20. Unit Availability Factor 100.00 100.00 81.38
21. Unit Capacity Factor (Using MDC Net) 103.40 103.t0 76.30
22. Unit Capacity Factor (Using DER Net) 101.00 101.00 74.80
23. Unit Forced Outage Rate 0.00 0.00 4.59
24. Shutdowns scheduled over next 6 months (Type, Date, and Duration of Each: N/A
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 INITIAL CRITICALITY INITIAL ELECTRICITY _

COMMERCIAL OPERATION VYDPF 0411.01 DP 0411 Rev. 6 POge 1 of 1 RT No. 13.F01.19F

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 970210

, COMPLETED BY G.A. WALLIN

, TELEPHONE (802)258-5414

, MONTH Januarv i DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) f

1. 530 17. 528 l
2. 529 18. 528 l
3. 529 19. 529
4. 529 20. 529
5. 529 21. 505
6. 528 22. 529

. 7. 505 23. 528

8. 529 24. 529 i i
9. 529 25. 529 l
10. 529 26. 529 i
11. 529 27. 529
12. 529 28. 528
13. 529 29. 529
14. 529 30. 529 i l
15. 529 31. 529  ;
16. .

529 1

1 INSTRUCTIONS:

, On this format, list the average daily unit power level in MWE-Not

for each day in the reporting month. Compute to the nearest whole megawatt.

VYDPF 0411.02 JP 0411 Rev. 6 Page 1 of 1 RT No. 13.F01.18V

UNIT SHUTDCJNS AND POWER REDUCTIONS ,

REPORT MONTH JANUARY DOCKET NO 50-271 '

UNIT NAME Vermont Yankee DATE 970210 COMPLETED BY G.A. Wallin TELEPHONE (8021258-5414 1 2 3 4 5 No. Date Type Duration Reason Method of License System Component Cause and Corrective ,

(hours) Shutting Event Code Code Action to Prevent l Down Report # Recurrence ,

Reactor

, 97-01 970107 S 0.00 B,*H N/A N/A RB CONROD Turbine Bypass Valve, MSIV Full Closure Tests and Rod Pattern Exchange.

97-02 970121 S 0.00 *H N/A N/A RB CONROD Rod Pattern Adjustment i

i 1 F: Forced 2 Reason: 3 Method: 4 Exhibit G- Instructions S: Scheduled A-Equipment Failure (Explain) 1 - Manual for Preparation of Data ,

B-Maintenance or Test 2 - Manual Scram Entry Sheets for License  ;

C-Refueling 3 - Automatic Scram Event Report (LER) File D-Regulatory Restriction 4 - Other (Explain) (NUREG 0161)  !

E-Operator Training and i

License Examination 5 Exhibit I - Same Source VYDPF 0411.03 F-Administrative DP 0411 Rev. 6 G-Operational Error (Explain) ,

Page 1 of 1 *H-(Explain) - Rod pattern exchange / adjustment '

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DOCKET NO. 50-271 DATE 970210 COMPLETED BY G.A. WAT.T.IN TELEPHONE (802)258-5414 REPORT MONTH January

SUMMARY

OF OPERATING EXPERIENCES

Highliahts 1 Vermont Yankee operated at 99.6% of rated thermal power for the month. I Gross electrical generation was 407.838 MWHe or 100.4% design electrical capacity.

Operatina Su===ry 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.

970107 At 0114 hours0.00132 days <br />0.0317 hours <br />1.884921e-4 weeks <br />4.3377e-5 months <br />, reduced power to less than 80% to perform Turbine Bypass Valve Testing, MSIV Full closure Testing, and a Rod Pattern Exchange.

(See Unit Shutdowns and Power Reductions) l 970107 At 0152 hours0.00176 days <br />0.0422 hours <br />2.513228e-4 weeks <br />5.7836e-5 months <br />, power at 70%, started Turbine Bypass Valve and MSIV Full Closure Testing.

970107 At 0220 hours0.00255 days <br />0.0611 hours <br />3.637566e-4 weeks <br />8.371e-5 months <br />, completed Turbine Bypass Valve and MSIV Full Closure Testing.

970107 At 0222 hours0.00257 days <br />0.0617 hours <br />3.670635e-4 weeks <br />8.4471e-5 months <br />, started Rod Pattern Exchange.

970107 At 0315 hours0.00365 days <br />0.0875 hours <br />5.208333e-4 weeks <br />1.198575e-4 months <br />, completed Rod Pattern Exchange and started a return to full power.

970121 At 0030 hours3.472222e-4 days <br />0.00833 hours <br />4.960317e-5 weeks <br />1.1415e-5 months <br />, started power reduction to 70% for Rod Pattern Adjustment. (See Unit Shutdowns and Power Reductions) 970121 At 0140 hours0.00162 days <br />0.0389 hours <br />2.314815e-4 weeks <br />5.327e-5 months <br />, started Rod Pattern Adjustment at 70% power.

970121 At 0245 hours0.00284 days <br />0.0681 hours <br />4.050926e-4 weeks <br />9.32225e-5 months <br />, completed Rod Pattern Adjustment, started a return to full power.

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

VYDPF 0411.04 DP 0411 Rev. 6 Page 1 of 1 RT No. 13.F01.18X l

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