ML19331C745

Monthly Operating Rept for Jul 1980

ML19331C745
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	08/06/1980
From:	Beers F VERMONT YANKEE NUCLEAR POWER CORP.
To:
Shared Package
ML19331C705	List: ML19331C704 ML19331C745
References
NUDOCS 8008190484
Download: ML19331C745 (7)

Text

.

O VEF3.ONT YANKEE NUCLEAR P0b?.R STATION MONTHLY STATISTICAL REPORT S0-07 FOR THE MONTH OF JULY,1980 I

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J OPERA!!NG DATA Fl? ORT DOCKET NO.

50-271 DATE c0-05-06 COMPLETE 0 3Y F.C. Seers TILIPHONI617-366-9011 X2215 0?ERATING STATUS Notes Vermonc Yankee i

1. Unit Name:

2. Reporting ?eriod:

July 1980 1593 1

3. Licensed Thermal ?cwer(MWt):

4 Namepla:e Ra:ing(Gross MWe):

540

5. Design Electriesl Rating (Ne: MWe): 514(open)504(closed)

6. Maxi =um Dependable Capacity (Gross MWe):

535 a

504 i

7. Max 1=us Dependable Capacity (Net MWe):

8. If Changes occur in Capacity Ratings (Items Number 3 Through 7)Since Last Report, Give Reasons:

i

$$as!"ESOE.limitedduetoendofcycle

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

10. Reasons For Restrictions, If Any:

4 i

i This Month Yr-to-Date Cunulative 744 5,111

- 11. Hours In Reporting Period

12. Number Of Hours Reactor Was Cri:1 cal 724.75 4,898.46 56.056.85

13. Reactor Reserve Shutdown Hours 0.0 nn 0,0

14. Hours Genera:or On-Line 714.00 4,832.60 54.160.38

15. Unit Reserve Shutdown Hours 0.0 nn 0.0

16. Gross Ther=al Energy Geners:ed(MWH) 1.070.586.00 7 37o 77s.nn 76,604,388.00

348,

- -n 966.00 2.490.768.00 25.460.438.00

17. Gross Elec:rical Energy Genera:ed(MWH)

I

18. Net Elec:rical Energy Generated (MWH) 326.943.00 2.370.044.00 24 'to ano no

19. Uni: Service Factor 95.97 94.55 78.60 l

20. Uni: Availability Factor 95.97 o4.95 7a an 87.19 92.01 69.51 f

21. Uni: Capacity Factor (Using MDC Net)

22. Unit Capacity Facter(Using DER Nec) 85.49 90.22 68.15 l

23. Uni: Forced Cutage Ratt 4.03 9 14 6.16

24. Shu:dewns Scheduled Over Nex: 6 Months (Type, Da:e, and Duration of Each):

Refuelin: Outaee scheduled to bee <-

c-c#

a-w.-

94 s o o n 2n d

._-411 v,e.

c er aooreximatelv eicht weeks.

25. If Shu: D0wn At End Of Reper: ?eriod, Isti=ated Date of Startup:

26. Uni:s In Tes: Status (Frior :o Co==ercial Operation):

Forecas:

Achieved IN!!IAL CRITICALI"Y IN!!!AL ELECTRICITY COMMERCIAL OPERATION m

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AVE.UGE DAILY ;,3'!! 20*4ER :.I'/EL DOCKET No.

50-271 CiI!

Ver=on: Yankee DATE 80-08-06 CC)C'LITED 3Y F.J.

Burzer 802-257-7711 X137 e.. :?HCh.g

..u-MONTH July DAY AVE.U GE DAILY FO'4ER LEVIL DAY AVERAGE DAILY FCb7.R LEVEL (Yde-Ne:)

(X'Je-Ne:)

1.

487 17.

468 2.

482 18.

46; 424 3.

480 19, 3'9 20, 481 4

3.

434 21.

477 6.

22.

478 489

'91 23.

475 7.

489 24 477 3.

-o7 25.

474 9.

10.

456 26.

n 11.

484 27.

m 12.

188 28.

n 470 13, 21 29.

454 14 334 30, l

31.

469 15.

458 l

16.

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he reporting =cn:h.

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UNIT SiluTDOWNS AND POWER REDUCTIONS DOCKET No 50-271 UNIT NAME Vermont Yankee DA 0-08-06 REPORT MONTil July COMPI.ETED BY F.J. Burger l

TE!.EPIIONE _ 802-257-7711 X_137 l

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N/A RA Cod! ROD Control Rod pattern adjustment.

j (power l

j-s' educt) 80-21

'80-07-30 S

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N/A EB TRANSF Hain t ransformer cooling system failure (power caused by blown fuses. Fuses replaced, i

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4 F: Forced Reason:

Method:

Exhthit G-Instructions

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f S: Sched:aled A-Equipment Failure (Explain) l-Manual for Preparation of Data

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H-Haintenance or Test 2-Manual Scrate Ent ry Sheets for I,Icensee C-Refueling 3-Automatic Scram Event Report (I.ER) File i

}

D-Regulatory Restrict.lon 4-Other (Explain)

(NUREG 0161)

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E-Operate r Training & l.lcen'se Examination f

5 F-Adnii ni s t ra t ive Exhibit I - Same Source j

G-Operatlonal Error (Explain) l Il-Other (Explain)

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50-171 DOCKET NO.

Vermon: Yankee t.377 80-03-06 DATE COXpLITED 3Y F.J. Burger TEL7? HONE 802-257-7711 X137 Pl?CRT MONTH

v.. $..

J SL*M'O.RY OF OPERATING EX?ERIENCES 1

l Highlights Vernon: Yankee opera:ed a: 90.3% of rated :her=al power for the nonth.

Gross elec:rical genera: ion was 348,966 MWH or 86.8% of design elec:rical e

capaci:y.

Ooerating Sun =ar-The following is a chronological descriptien of plant operations including other partinen items of interest for the sench:

2 7/1/30-At the beginning of the reporting period the plant was operating at 99% of rated therr.a1 power.

7/4/80-At 0000 hrs. a power reduction was initiated for a control rod pa::ern adjustment.

7/10/80- At 1516 hrs. a power reduction was initiated in preparation for a drywell entry to inv.astigate leakage.

7/10/80- At 1551 hrs. a power increase was initiated.

7/12/30- At 0800 hrs. a plant shutdown was initiated to repair valve leakage and perform testing to verify the operation of the Control Rod Drive System. The turbine generatar was off the grid a: 1125 hrs.

7/13/30- At 1321 hrs. a start.up was initiated.

The turbine generator was phased onto the grid a: 1736 hrs.

7/18/80- At 2212 hrs. a power redue:1on was initiated for a control rod pat:ern adjustment.

7/30/80- At 0320 hrs, a power reduction was initisted due to the loss of the main transformer cooling system. At 0440 hrs. a power increase was initia:ed.

7/31/80- Ac the end of the repor:ing period the plant was operating at 96% of rated ther=al power.

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