ML19305D669

Monthly Operating Rept for Mar 1980

ML19305D669
Person / Time
Site:	Vermont Yankee File:NorthStar Vermont Yankee icon.png
Issue date:	04/11/1980
From:	Beers F VERMONT YANKEE NUCLEAR POWER CORP.
To:
Shared Package
ML19305D668	List: ML19305D667 ML19305D669
References
NUDOCS 8004150361
Download: ML19305D669 (6)

Text

{{#Wiki_filter:~ l VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 80-03 FOR THE MONTH OF MARCH, 1980 8004150 %

i 'm. i OPERATING DATA REPORT DOCKET NO. 50-271 ' DATE 800411 CO51PLETED BY F. C. Beers TELEPHONE 617 '466 0011 X2215 l OPERATING STATUS - I. Urdt Name: Vermont Yankee Notes March 1980

2. Reporting Period:

3. Licensed Thermal Power (51Wt): -

1593

4. Namepiste Rating (Gross 31We):

j 540

5. Design Electrical Rating (Net 51We): 514 (open) 504 (closed )

s. 535'

6. 51sximum Dependable Capscity (Gross 5tWe):

50 4

7. 5!sximum Depends'ble Capacity (Net SIWE):

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

l ~

9. Power Level To Which Restricted. If Any (Net 51We):

10. Ressons For Restrictions.If Any:

l t This Sionth Yr.to.Date Cumulative 744 2.184 _

11. Hours !n Reporting Period 721.5 2,056.3 53,214.69

12. Number Of Hours Reactor Was Critical 0

0 0

13. Reactor Resene Shutdown Hotra

14. Hours Gener: tor On.Line 721.5 2.032.1 51.359.88 l

15. Unit Reserve Shutdown Hours 0

0 0

16. Gross Therms! Energy Generated (51WH) 1,142,171.5 3.108.136.5

-72.332.749.5 -{

17. Gross Electrical Energy Genersted (51WH) 392,664 1.065,240 24.034,910 376,988 1,022,439 22,790,804

18. Net Electrical Energy Generated (51WH)

19. Unit Service Factor 97 93 77.8 97 93 77.8

20. Unit Availability Factor 100.5 92.9 68.5

21. Unit Capacity Factor (Using 5tDC Net) 98.6 91.1 67.2

22. Unit Capacity Factor (Using DER Net) 0 1.3 6.3

23. Unit Forced Outs;e Rate

24. Shutdowns Scheduled Over Next 6 Stanths (Type.Date.snd Duration of Each1:

April 2, 1980

25. If Shut Down At End Of Report Period. Estimated Date of Startup: -

Forecast Achieved

26. Units !n Test Status (Prior to Commercial Operatiq INITIA L CRITICA LITY j

INITIA L ELECTRICITY COstStERCIAL OPERATION' k

• (4/77)

,.m,,

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vemont Yankee DATE 800411 C05fPLETED BY F. C. Beers 617-366-9011 X2215' TELEPHONE 5!ONTH March 1980 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (31We-Net) (51We Net) 1 526

• 17 525 2

517 13 525 3 525 39 526 4 525 20 525 5 525 21 525 6 525 525 22 525 519 7 23 525 525 1 8 24 520 525 9 25 526 525 10 26 II 525 27 525 525 524 12 28 525 524 13 29 34 525 505 30 15 525 33 0 16 513 INSTRUCTIONS On this formst. list the sverage dtily unit power level in 11We-Net for each day in the reporting inonth. Compute to the nearest whole megswatt. (9/77) 4 b s - - - - - ~,

i UNITSIIUTDOWNS AND POWER REDUCTIONS DOCK ET NO. 50-271 UNIT NAM E Vermont Yankee I) ATE 800411 COMPLETED liY F. C. Beers REPORT Af0NTig March 1980 TELEPilONE 617-366-9011 X2215. c c. ~3 -. E 5* 2 8 -o.s 'g Licensee c 't. c., Cause & Currective e $3 A,.iion io No. Date g 3g ,g g cc Event

s ?

c$ E 5, j di y Repos * 'N0 yO Prevent itecussence d 80-9 800330 S 22.5 B-1 N/A HD VALEX Main Steam Valve which isolates the steam supply to the main turbine steam se'al regulator was leaking steam to the atmosphere. Valve was replaced with piping. I 2 3 4 F: Fosted Reason: Method: Exhibii G - Instructions i S: Scheduled A !?einipment Failure (Explain) I Manual for heparation of D.na i n-Maintenance or Test 7 Manual Sesam. Episy Sheets l'on 1.ieensee C Itefueling 3 Automatic Scram. Event Itepins (Llilt) 17de (NUltl'.G. D Regulaimy Resisiction 4 Other (Emplain) 0161) E-Opes.iior Tsaining& License Examination II Ailminitisalive 5 G O <sational I.esus (Emplain) Exhil.it I Same Sumee i t'8/17) II.Uthes (limplain) e m _.,m. ,w.,

DOCKET NO. 50-271 UNIT Vermont Yankee DATE 800411 C0!4PLETED BY F. C. Beers TELEP110NE 617-366-9011 X2215 SAFETY RELATED !!AINTENANCE MARCII 1980 NATullE OF LER CR OUTAGE ilALFUNCTION EQUIPMENT MAINTENANCE NUf1BER CAUSE !!ESULT C0ltlECTIVE ACTION RCIC Testable Check Corrective N/A Normal operation Leakage Replaced gaskets Valve V-13-22 MR 80-238 APRM "B" Corrective N/A Failed relay APRM tripped Replaced relay coil MR 80-275 coil llPCI Time Delay Relay Corrective N/A Worn parts Timer set point Replaced relay 23A-K48 MR 80-277 drift (Did not exceed Tech. Spec. limit) "A" Diesel Generator Corrective N/A Normal use Clogged filter Replaced filter Fuel Oil Filter MR 80-325 "A" Diesel Generator Corrective N/A Normal operation Worn bearings Replaced bearings Coolant Circulating Pump MR 80-326 IIPCI Flow Controller Corrective LER Failed controller Controller would Replaced controller 23-108 MR 80-351 80-13/3L not operate in automatic 4 RilR Seismic Support Corrective LER Improper Hanger inadequate Repaired as necessary RllR-li-83 MR 80-363 80-12/IP installation Service Water Support Corrective LER Improper Hanger inadequate Repaired as necessary RSW-l!-168 MR 80-364 80-12/IP installation

b DOCKET NO. 50-271 UNIT Vermont Yankee DATE 800411 COMPLETED BY F.

c. Beers TELEPHONE 617-366-9011 X2215 REPORT MONTH March 1980 SU'BIARY OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 96.4% of rated thermal power for the month. Gross electrical generation was 392,664MWH or 97.7% of design electrical capacity.

Operating Summary The following is a chronological description of plant operations including other pertinent items of interest for the month: 3/1/80 At the beginning of the reporting perio,d, the plant was operating at 99.8% of rated thermal power. 3/30/80 At 2200 hours a shutdown was cornmenced to repair leaking steam valve V60-13, 3/31/80 At 0126 hours the turbine was taken off the grid. At the end of the reporting period, the plant was shutdown. ..}}