BVY-95-131, Monthly Operating Rept for Nov 1995 for Vermont Yankee Nuclear Power Station

From kanterella
Jump to navigation Jump to search
Monthly Operating Rept for Nov 1995 for Vermont Yankee Nuclear Power Station
ML20095C417
Person / Time
Site: Vermont Yankee Entergy icon.png
Issue date: 11/30/1995
From: Wallin G, Wanczyk R
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
BVY-95-131, VY-RCE-95-030, VY-RCE-95-30, NUDOCS 9512120013
Download: ML20095C417 (6)
v • d • e


Text

. - . . .. . .. . . - - . . . . . - . - . . . . . .. ._~ - .- . -

VERMONT YANKEE NUCLE'AR POWER CORPORATION e P.O. Box 157, Governor Hunt Road

[ Vernon, Vermont 05354-0157 q\

j (802) 257-7711 December 10, 1995 VY-RCE-95-030 BVY-95-131 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555

Reference:

a) License No. DPR-28 (Docket No. 50-271)

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 November, 1995.

Sincerely, Vermont Yankee Nuclear Power Corp.

Robert Wanczyk Plant Manager cc: USNRC Region I Administrator USNRC Resident Inspector - VYNPS USNRC Project Manager - VYNPS

,200D M

'\\

9512120013 951130 1 PDR ADOCK 05000 p - -

.__. R .

s i

)

i I

1 l

VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 95-11 FOR THE MONTH OF NOVEMBER 1995 l

l DP 0411 Rev. 6 Page 1 of 1

OPERATING DATA REPORT DOCKET NO.50-271 DATE 951210 COMPLETED BY G.A. WALLIN l TELEPHONE (802)258-5414 i OPERATING STATUS

1. Unit Name: Vermont Yankee
2. Reporting Period: November
3. Licensed Thermal Power (MWt):1593
4. Nameplate Rating (Grost MWe): 54Q
5. Design Electrical Rating (Net MWe): 522 '
6. Maximum Dependable Capacity (Gross MWe) : 515
7. Maximum Dependable Capacity (Net MWe): 510.
8. If changes, occur in capacity ratings (Items Number 3 through 7) since last report, give reasons:

l I

9. Power level to which restricted, if any(Net MWe): N/A  ;

1

10. Reasons for restrictions, if any: N/A This Month Yr-to-Date Cumulative
11. Hours in Reporting Period 720.00 8016.00 201600.00
12. Number Of Hours Reactor was Critical 720.00 6929.96 166792.63
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00 l 14. Hours Generator On-Line 720.00 6880.45 163576.56
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00 ,
16. Gross Thermal Energy Generated (MWH) 1142066.60 10847279.65 245016152.65
17. Gross Electrical Energy Generated 394795.00 3679468.00 81716820.00
18. Net Electrical Energy Generated (MWH) 379731.00 3504143.00 77662738.00
19. Unit Service Factor 100.00 85.83 81.14
20. Unit' Availability Factor 100.00 85.83 81.14
21. Unit Capacity Factor (Using MDC Net) 103.40 86.10 75.80
22. Unit Capacity Factor (Using DER Net) 101.00 84.20 74.30
23. Unit Forced Outage Rate 0.00 0.00 4.77
24. Shutdowns scheduled over next 6 months (Type, Date, and Duration of Each: N/A l
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 Page 1 of 1 RT No. 13.F01.19F

. .- . _ . . - -- .- .. - - .- .- . . - = - . - . . - -

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee DATE 951210 COMPLETED BY 'G.A. WALLIN TELEPHONE -(802)258-5414 MONTH- November

~ DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE' DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 528 17. 530

-2, 529 18, 530 -!

i

3. 529 19. 528
4. 530 20. 529
5. 529 21. 528
6. 530 22. . 529 '
7. 474 23. 530
8. 530 24. 529
9. 528 25. 529
10. 530 26. 529
11. 530 27. 529'
12. 530 28. 530
13. 529 29. 529 s
14. 529 30, 529
15. 528 31. ---
16. 529 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 DP 0411 Rev. 6 Page 1 of 1 RT No. 13.F01.18V

UNIT SHUTDOWNS AND POWER REDUCTIONS -

REPORT MONTH NOVEMBER DOCKET NO 50-271 UNIT NAME Vermont Yankee i DATE 951210 COMPLETED BY G.A. Wallin TELEPHONE (802)258-5414  ;

L 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  ;

Down Report # Recurrence  ;

Reactor [

95-07 951107 S 0.00 B,H* 4 N/A RB CONROD Bypass valve test,  ;

Power MSIV' full closure .-

Reduction test, a rod pattern  !

exchange, and single ,

rod scram testing  :

i

(

I l

1 F: Forced 2 Reason: 3 Method: 4 Exhibit G- Instructions S: Scheduled A-Equipment Failure (Explain) 1 - Manual for Preparation of Data t B-Maintenance or Test 2 - Manual Scram Entry Sheets for License i C-Refueling 3 - Automatic Scram Event Report (LER) File  !

D-Regulatory Restriction 4 - Other (Explain) (NUREG 0161)

E-Operator Training and 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  ;

i

_ . _ _ _ _ _ _ _ _ _ _ . _ . . _ . _.. __..___________.__.____._______ _ ______ _ ____..~. m _ _ _ _ . _ _ ,_.__m ,m , - . _ _ _ . _ _ _ _ . _ _ _ . . - . _ _ . . ~ . - - . - _ _ _ _ _ . . _ . _- _ _ _ _ _ _ _ . _ _ _ _ _ _ _ _ _

DOCKET NO. 50-271

- DATE 951210 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH November

SUMMARY

OF OPERATING EXPERIENCES Hichlichts Vermont Yankee operated at 99.6% of rated thermal power for the month.

Gross electrical generation was 394.795 MWHe or 100.4% design electrical capacity.

Operatino 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.

951107 At 0035 hours4.050926e-4 days <br />0.00972 hours <br />5.787037e-5 weeks <br />1.33175e-5 months <br />, initiated a power reduction to less than 80%, to perform turbine bypass valve tests, MSIV full closure tests, a rod pattern exchange, and single rod scram testing. (See Unit

. Shutdowns and Power Reductions) 951107 At 0111 hours0.00128 days <br />0.0308 hours <br />1.835317e-4 weeks <br />4.22355e-5 months <br />, initiated turbine bypass valve testing.

951107 At 0124 hours0.00144 days <br />0.0344 hours <br />2.050265e-4 weeks <br />4.7182e-5 months <br />, completed turbine bypass valve testing. Reducing power to 69.5%, to perform MSIV full closure tests, a rod pattern exchange, and single rod scram testing.  ;

951107 At 0135 hours0.00156 days <br />0.0375 hours <br />2.232143e-4 weeks <br />5.13675e-5 months <br />, initiated MSIV full closure testing. 1 l l 951107 At 0158 hours0.00183 days <br />0.0439 hours <br />2.612434e-4 weeks <br />6.0119e-5 months <br />, completed MSIV full closure testing.

1 951107 At 0210 hours0.00243 days <br />0.0583 hours <br />3.472222e-4 weeks <br />7.9905e-5 months <br />, initiated a rod pattern exchange. l 1

951107 At 0317 hours0.00367 days <br />0.0881 hours <br />5.241402e-4 weeks <br />1.206185e-4 months <br />, initiated single rod scram testing. l 951107 At 0345 hours0.00399 days <br />0.0958 hours <br />5.704365e-4 weeks <br />1.312725e-4 months <br />, completed the rod pattern exchange. l l 951107 At 0620 hours0.00718 days <br />0.172 hours <br />0.00103 weeks <br />2.3591e-4 months <br />, completed single rod scram testing.  !

l 951107 At 0645 hours0.00747 days <br />0.179 hours <br />0.00107 weeks <br />2.454225e-4 months <br />, initiated a return to full power.

l l

l 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 i

Retrieved from "https://kanterella.com/w/index.php?title=BVY-95-131,_Monthly_Operating_Rept_for_Nov_1995_for_Vermont_Yankee_Nuclear_Power_Station&oldid=3488079"