ML20042F147

Monthly Operating Rept for Apr 1990 for Vermont Yankee. W/900510 Ltr

ML20042F147
Person / Time
Site:	Vermont Yankee
Issue date:	04/30/1990
From:	Murphy W, Wallin G VERMONT YANKEE NUCLEAR POWER CORP.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
VYV-90-139, NUDOCS 9005070284
Download: ML20042F147 (6)

Text

- .. .

4 - ,..;

s e

.1 .,

VERMONT YANKElc NUCLEAR POWER CORPOR ATION' P. O. BOX 157 GOVERNOR IIUNT ROAD VERNON, VERMONT. 05354 May 10, 1990 .

VYV 90-3 39

'U.S. . Nuclear Regulatory Commission

-ATTN ' Document Control P..sk Washington, D-C. . 20555

Dear Si':

r Submitted herewith is the Monthl'y Statistical Report for the.

Vermont' Yankee Nuclear Power-Station for the month of-April, 1990.

Very truly;-yours, VERMONT YANKEE NUCLEAR' POWER-CORP. -

Warren P.' Murphy..

Vice President and Manager of Operations cc: 1) USNRC Region I 475 Allendale Road King of Prussia, PA 19406

2) USNRC Resident Inspector, VYNPS DP 0411 Rev. 3 Page:1 of 1-9005070284 900430 i PDR ADOCK 05000271' '

h R PDC [

-(' .

d.

.a e . ,

I r

i i

VERMONT' YANKEE NUCLEAR: POWER STATION  !

MONTHLY STATISTICAL REPORT-90-04'-

FOR THE MONTH'OF-APRIL,/1990 f

-1

-s 5

r

.y e

C 4

DP 0411'Rev.~3 -

Page 1 of 1 ,

l 1

e

, 1

. OPERATING DATA REPORTJ

"\ -':

' DOCKET NO.- 50-271-

' , -. DATE 900510 ~

COMPLETED BY G.A. Wallin =,

-TELEPHONE (802)257-7711 l OPERATING STATUS l l '. Unit-Names Vermont Yankee NOTES:

1

-2.- ReportinhPeriod: April

.3. Licensed' Thermal Power (MWt): 1593~

4. Nameplate Rating (Gross MWe): 540 5.= Design Electrical Rating (Net MWe): 514(oc)-504(cc)

-6. Maximum Dependable Capacity (Gross MWe):oS35 7.J Maximum Dependable Capacity (Net MWe): 504-l

8. If changesLoccur in capacity ratings (Items ~ Number 3 through 7)since last report, give reasons; j

1 N/A 1

9. 1 Power level to which restricted, if any(Net MWo): N/A l

10. Reasons for restrictions, if any: i N/A u

11. Hours In-Reporting Period This Month Yr-to-Date -Cumulative 719.00 2879.00 ' ---- -

12. Number Of Hours Reactor was Critical 719.00 2749.52 y

-13. 123415.381 <

Reactor Reserve Shutdown Hours 10.00! 0.00 0.001

14. Hours Generator On-Line 719.00' 2671.61'

15. 120648.68~

Unit Reserve Shutdown' Hours -0.00-  : 0,00- 0.00-16.

Gross Thermal Energy Generated (MWH)1139133.50 14~200609.50 178210166.00

17. Gross Electrical Energy Generated __3 8 6 9 5 7 . 0 0 l :1422112.00' 59376001.00 i

'18. Net Electrical. Energy Generated (MWH)371531;00 -1363958.00 56379657.00 l 4

19. Unit Service Factor' ~

100.00 92.80 78.17 -

20. Unit Availability Factor 100.00- 92.80' l

'21.- Unit Capacity Factor (Using MDC Net) 102.53 78.17' i 22.- Unit' Capacity Factor (Using' DER Net) 94.00' 72.48  !'

100.53 92.17 71.07

23. Unit Forced Outage Rate 0.00

24. 3.32 5.67 Shutdowns scheduled over next-6 monihs(Type, Date, and Duration of Each): 1990 Refueling Outage scheduled.to begin on September 1,;1990 1 and conclude on October 13, 1990.

25. It-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 R INITIAL CRITICALITY INITIAL ELECTRICITY y COMMERCIAL OPERATION "

- VYDPF 0411.01 -

DP!0411.Rev. 3 '

'Page 1~of 1  :

RT No. 13.FO1.19F- )

j I

I

{

.c A, ,

.s.

, AVERAGE DAILY UNIT' POWER LEVEL

.m i.,

DOCKET NO.- 50-271' ,

UNIT .: Vermont Yankee. .

' D A T E -- 900510 d

-COMPLETED'BY G.A. Wallin  ;

TELEPHONE- (802)257-7711 1 MONTH ' April .

r r

-: DAY AVERAGE DAILYTPOWER LEVEL DAY AVE 2 AGE DAILY; POWER LEVEL

.(MWe-Net)' '( MWe-Ne t ) ! '

a t*1.- 496 17. 520  !

2. 520 18 '. 519-3.' 521 19. 519 .

o

4. 522 20. 519 o 5. 519. 21. 5] 9,

~ i (.

6, 519 22. 517

.7. '

520 23. 519

8. 516 -24. -519 a

9. 520 .25.. 518..

10 . , 519

'26. .519 "

Jk

~

11'; >

6T9 27.- 518' p 112:. 519 28, 518

13. 519 29. T75 4

-i

14. 520 30'.- 517

15. 494- 31. I

~ 16 '. 520 '

23 hour2.662037e-4 days <br />0.00639 hours <br />3.80291e-5 weeks <br />8.7515e-6 months <br /> day  :(

t

! INSTRUCTIONS: ~

' ,OncthisLformat, list the average daily unit' power level in'MWe-Net -!

for; each ' day in the. rer : ting month. Compute to the nearest whole.

-: magawa t t . 4

?VYDPF 0411.02' >

r -DP.0411 Rev.~3 ,

Pegs'1.:of 1 RT:,No.n13.F01.18V i 1

A

.b i

'I

~ , , -

UNIT SHUTDOWNS AND POWER REDUCTIONS .

DOCKET NO S0-271' REPORT MONTH APRIL UNIT NARE vermont Yankee '

~"~

DATE 900510

• COMPLETED BT G.A. Wallin- ,

TELEPHONE (8029257-7711 .

1 2 Method of License system Component- Cause and Correctivt- y No. Date Type Duration Reason Shutting Duun Event Code- Code Action to (hours) Reactor .3 Reports 4 5 Prevent Recurrence None 1 F: Fotcod 2 Reason: 3 Method: 4 Exhibit C- Instructions 5: Scheduled A-Equipment Failure (Explain) 1- Manual- for Preparation of Data B-Maintenance or Test 2- Manual Scram .-Entry Sheets for. Licensee C-Refueling . 3- Autcastic Scram . Event Report-(LER) File D-Regulatory Restric' tion , 4- Other-(Explain)-- (NUREG 0161)'

E-Operator Training and License Examination F-Administrative ' .

5. Exhibit I - Same Source VTDPF 0411.03 G* Operational Error (Explain)

-DP 0411 Rev. 3 H-(Explain) -

Page 1 of 1 e

+

DOCKET NO. 501271'~ il UNIT Vermont Ynnkwi 4

- i+'... .

s DATE 900510-

,y./

.='- COMPLETED'BY G.A. Wallin >

< TELEPHONEi(802)257-7711~

p REPORT' MONTH' April! t 1

n 1 '

. . . . .i 1

SUMMARY

OF OPERATING EXPERIENCES .., (

-High)ights. l

. i

,Varmont Yankee operated at 99.5%-of-rated: thermal power for~the-m6 nth. .

1 I

Gross electrical generation

was- 386,957- MWHe or'99.7%-design. electrical: 4 l Jcapacity.  ?

e q y Oparating 5ummaty 4 3

l Tha following-is a chronological: description of plant operations including.

j other pertinent-it. ems of: interest for'the month: i

At the begipning of the reporting period the'. plant was-operating at'9'5.1%

of. rated. thermal power.:- 4 r

'There'were no.reportableLitems of'. interest this month.

-r l-i i

I i

t 1

l -

l ~-

l. ~At the end of the reporting period the plant was operatin~g at 99.7%'of }

rated thermal power. i VYDPF 0411 04  :

DP~0411 Rev. 3 <

I

-Page 1 of.l-RT No.-13.FOl'.18X  ;

j

.(

a E

c

.