ML20092E865

Monthly Operating Rept for Jan 1992 for Vermont Yankee

ML20092E865
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	01/31/1992
From:	Murphy W, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
VY-RCE-92-004, VY-RCE-92-4, NUDOCS 9202180298
Download: ML20092E865 (5)

Text

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VERMONT YANKMic NUCLEAR power CORPOR ATION I'. O.130X 157 GOVCitNOlt ilUNT JtOAD VEftNON, VERMONT 05354 February 10, 1992 VY-RCE 004 U.S. Iluclear Regulatory Commission ATTNt Document Control Desk washington, D.C.

20555

Dear Sir:

Submitted herewith is the Monthly Statistical Report for the Vermont Yankoo lluclear Power Station for the month of January, 1992.

Very truly yours, VE. 02 T Y IK'.E NUCLEAR POWER CORP.

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War eh P.y h ('

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urphy Senior Vice President, Operations cc:

1) USNRC Region I 475 Allendale Road King of Prussia, PA 19406

2) USNRC Resident Inspector, VYNPS DP 0411 Rev. 4 Page.1 of 1 100005

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VERf40NT YANKEE !!UCLEAR POWER STATION M0!1TilLY STATISTICAL REPORT 92-01 FOR Tile 140NTil 0F JANUARY, 1992 DP 0411 Rev.-4 Page 1 of 1 l

1

OPERATING DATA REPORT DOCKET No.

50-R71 i

DATE 920210 COMPLETED BY G.A.

WALLIN QPERATING STATUS

1. Unit Namo Vermont Yankee

-l

3. Reporting'Porlod -

Januarv NOTES:

3. Licensed Thormal Power (MWt):1593 i

. 4. Nameplato Rating (Gross MWo):

EiQ i

5.

Dosign Electrical Rating (Not MWo):

514(oci 504fec)

6. Maximum Dopondablo Capacity (Gross MWo):

Ell I

7.. Maximum Dopondablo Capacity (Not MWo):

221 q

8.

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

1-N/A 1

9.

Power levci *, which rostricted, if any(Not MWo): __N/A 4

10. Reasons for restrictions, if-any:

N/A This Month Yr-to-Dato cumulativo

11. Hours in Reporting Period 744.00 744.00 168024.00

12. Number'Of Hours Reactor was Critical 744.00 74A&QA 137197.56

13. Roactor Roservo Shutdown Hours 0.00 0.00 0.00

14. Hours Generator.On-Lino 730.83 730.g2 134304.04

15. Unit Roservo Shutdown Hours 0.00-0.00 0.00

'16. Gross Thormal Energy Generated (MWH) 1127712.00 1127712.00 199390250.00

17. Gross Electrical Energy Generated 377845.00 377845.00 66438213.00

18. Not Electrical Energy Generated (MWH) 362270.q2_

362270.00 63102553.00

'19. Unit Servico Factor 98.23 98.23 79.13

30. Unit Availability Factor 98.23 98.23 79.13

31. Unit Capacity Factor (Using MDC Not) 96.61 96cil 73.77 22.. Unit Capacity Factor (Using DER Not) 94.73 94.73 72.33

33. Unit Forced Outago Rato 1.77 1.77 5.45

34.' Shutdowns scheduled-over next 6 months (Typo, Date, and Duration of Each

1992 Refuelina Outaan scheduled to bocin on Harch 7, 1992 and.

.lapt'for a six week neriod.

25. It shut down at end of report period, cotimated dato of startup N/A

36. Units In Test. Status (prior to commercial operation): N/A Forecast Achioved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION VYDPP 0411.01 e

DP 0411 Rev. 4

-Pago 1 of.1 RT No. 13.F01.19F

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-271 UllIT Vermont Yan)Len DATE 920210 COMPLETED BY fu A. WALLUi TELEPilONE

,LfL M '7-7711 1

MO!1Til

_ January i

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL j

(MWo-Not)

(MWe-Not) 1.

515 17, 423 2.

514 18.

507 3.

515 19.

508 4.

515 20.

505 5.

514 21.

503 6.

515 22.

50.9 7.

514 23.

501 8.

465 24.

500 l

9.

514.

25.

426 l

10.

515 26.

495 l

11.

515_

27.

423 12.

514 28.

492 13.

514 29.

491 l

14.

514 30, 43_8 l

l 15.

484 31.

485 16.

70 l

INSTRUCTIONS:

On this format, list the average daily unit power level in MWE-Net I

for each day in the reporting month.

Compute to the nearest whole l

megawatt.

VYDPF 0411.02 DP 0411 Rev. 4 Page 1 of 1 RT l' 13.FA1.18V l

i j..

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UNIT SHUTDOWNS AND POWER REDUCTIONS i

REPORT MONTH JANUARY DOCKET NO 50-271 UNIT NAME Vermont Yankee DATE 920210 COMPLETED BY G.A. Wallin i

TELEPHONE f802)257-7711

].

~

1 2

3 No.

Date Type Duration Reason Method of License System Component Cause and Corrective (hours)

Shutting Event Code Code Action to Prevent Down Report #

4 5

Recurrence Reactor i

92-01 920108 S

0.00 B

4 N/A

.EA XXXXXX 381 line insulator Power repairs at Northfield

{

Reduction station.

92-02 920115 F

13.17 B

4 N/A ZZ XAAAAA Steam Jet Air Ejector Power rupture diaphragm Reduction repair.

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 i.

C-Refueling 3 - Automatic Scram Event Report (LER) File i

D-Regulatory Restriction 4 - Other (Explain)

(NUREG 0161)

E-Operator Training and 4

License Examination 5 Exhibit I - Same Source i

i VYDPF 0411.f3 F-Administrative DP 0411 Rev. 4 G-Operational Error (Explain) 4 l

Page 1 of 1 H-(Explain)

]

i 1

i. '

e' DOCKET No.

50-271-DATE 920210 COMPLETED BY GLlt. WALLIN TELEPHONE (802)257-7711 REPORT MONTH JANUARY fiUMMARY OF OPERATING EXPERIENCES Hiahlichts Vermont Yanken operated at 95.2% of rated thermal power for the month.

Gross electrical generation was 377.845 MWHo or 94.0% design electrical capacity.

.pocratina Summary 1

The following is a chronological description of plant operations including.

other portinent items of interest for the months t

At.the beginning of the reporting period-the plant was operating at 22221 of rated thermal power.

920108 At 0630 hours0.00729 days <br />0.175 hours <br />0.00104 weeks <br />2.39715e-4 months <br />, initiated a power reduction to 79% for 381 line-insulator repairs at Nrethfield station.

930108 At 1632 hours0.0189 days <br />0.453 hours <br />0.0027 weeks <br />6.20976e-4 months <br />, completou repairs to the 381 insulators at the Northfield station and initiated a return to full power.

920115 At 2006 hours0.0232 days <br />0.557 hours <br />0.00332 weeks <br />7.63283e-4 months <br />, initiated a power reduction to 5% for Steam Jet air ejector rupture diaphragm repair.

930116 At 0358 hours0.00414 days <br />0.0994 hours <br />5.919312e-4 weeks <br />1.36219e-4 months <br />, removed the turbine-generator from the grid.

920116 At 0730' hours, Steam Jet air ejector rupture diaphragm repaired.

920116 At'1708 hours0.0198 days <br />0.474 hours <br />0.00282 weeks <br />6.49894e-4 months <br />, phased tho turbine-generator to the grid and initiated a return to full power.

L l

I At the end of the reporting period the plant was operating at 21111 of rated thermal power and coasting down to the end of the cycle.

1 l

VYDPF 0411.04 l

DP 0411 Rev. 4 l

Page 1gof_1 RT No. 13.F01.18X

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