ML20050C844

Monthly Operating Rept for Apr 1981

ML20050C844
Person / Time
Site:	Maine Yankee
Issue date:	05/11/1981
From:	Bernard D Maine Yankee
To:
Shared Package
ML20050C843	List: ML20050C842 ML20050C844
References
NUDOCS 8204090401
Download: ML20050C844 (5)

Text

a 4

MAINE YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 81-4 FOR THE MONTH OF APRIL, 1981 t

l I

8204090401 010511 PDR ADOCK 05000309 R

PDR

OPERATING DATA REPORT 1

DCCKET NO. 50-309 DATE 810511 CO. !PLETED BY D. M. Bernard N

TELEPHONE 617-872-8100 X2390 OPERATING STATUS Maine Yankee Notes I. Unit Name:

2. Reporting Period:

Anril. 1981 Power level restricted by

3. Licensed Thermal Power (MWt):

2630 steam flow through the low 864

4. Nameplate Rating (Gross.\\!We):

pressure turbine.

825 S. Design Electrical Rating (Net 51We):

850

6. Sfaximum Dependable Capacity (Gross SIWE):

810

7. Maximum Dependable Capacity (Net 5!We):

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

9. Power Lese! To Which Restricted.lf Any(Net MWe):

864 MWe (s97%1

10. Reasons For Restrictions. !f Any:

See Notes This Month Yr. to.Date Cumulative I1. !!ours In Reporting Period 719.00 2.R79.00

12. Number Of flours Reactor was Critical 719.00 2.879.00 60.634.97

13. Reactor Resene Shutdown Hours 0.00 0.00 0.00

14. Ilours Generator On Line 719.00 2,879.00 58,737.25

15. Unit Reserve Shutdown flours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (MWil) 1,836,467.0r; 7.340,437.00 126,718,666.00

17. Gross Electrical Energy Cenerated (MWil) 606,350 0,0 2,437,150.00_

41.639,310.00 579,02' J,

2.327.717.00 39,559,042.00

18. Net E!ectrical Energy Generated (MWil) 100.00 100.00 79.07

19. Unit Service Factor 100.00 100.00 79.07

20. Unit Asailability Factor

21. Unit Capacity factor (Using MDC Net) 99.42_

99.82 68.63 97.61 98.00_

66.45

22. Unit Capacity Tactor (Using DER Net)

23. Unit Torced Outage Rate 0.00 0.00 7.14

24. Shutdowns Scheduled Over Nest 6 Months (Type.Date.and Duration of Each1:

bn eicht week refuelinc and maintenance shutdown is scheduled to hecin May 22, 1981.

25. If Sh'ut Down At End Of Report Period. Estimated Date of Startup: -

26. Units in Test Status (Prior io Commercial Operationi:

Forecast Achiesed INITIA L CRITICA LITY INITIA L ELECTRICITY CO\\lilERCIAL OPER ATION

'(C/77)

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-309 UNIT Maine Yankee DATE 810511 COMPLETED BY

n. M. Bernard TELEPHONE 617 R7-R100 X2390 5!ONTH APRI L. 1981

-DAY AVERAGE DAILY POWER LEU'.

DAY AVER AGE DAILY POWER LEVEL (51We Net)

(51We-Net) 1 818 37 811 2

81 6 18 808 3

812 19 806 803 4

697 20 804 5

809 23 804 6

814 22 804 7

816 23 8

814 24 807 9

814 25 807 10 R12 26 798 II 813 27 803 802 12 814 25 810 29 801 13 815 30 799 14 15 812 3g

~

16 812 INSTRUCTIONS On this format. list the aserage daily unit power leselin 5!We-Net for each day in the reporting month. Compute to the nearest whole merswatt.

19177) a

UNITSilUTDOWNS AND POWER REDUCTIONS DOCK ET NO.

50-309 UNIT NAME Maine Yankee DATE 810511 COMPLETED ltY. D. S Bernard REPORT MONTl! Apnif-1991 TELEPil0NE 617 172-8100 X2390

.! E

)

.E Licensee 5%

Cause & Corrective No.

Date p;

3 in

,g g cE Event

= '2 e1 Action to dE0 8O Prevent Itecurrence H

c3 E cE '

.3i gj c Report #

g v

O L.R.

4/4/81 S

27.50 B

1 NA IIA VALVEX-C Routine load reduction to perform to 4/5/81 monthly surveillance testing of the 80%

turbine valves.

I 2

3 4

F: Foeced Iteason:

Method:

Extiibit C. Instructions S: Scheduled f

A Equininent Failure (Exp! sin) 1 Manual for Picparatiun of Data 11 Maintenance or Test 7 Manual Scrain.

Entry Sheets foi Licensee C Itefueling 3 Autoniatic Scrain.

Event IterueI (LI:lt) File INiitti'.C-D Itegulatory Itcst iction 4-Other (Explain) 01611 E Oper.iior Trainingi License Exsntination F Ailininistsative G Ope ational I is. (limplain)

Enlut,ii I Sanie Sonice

- 08/77)

Il-Othen Ilimplain) s

DOCKET NO.

50-309 UNIT Maine Yankee DATE 810511 COMPLETED BY D. M. Bernard TELEPif0NE 617-872-8100 X2390 REPORT MONTil APRIL. 1981 SU'PIARY OF OPERATING EXPERIENCES The plant was at full load at the beginning of the month.

On April 4, a load reduction to 80'. was performed in order to complete routine monthly surveillance testing of turbine valves.

The plant returned to full power on April 5 and remained at full load for the rest of the month.

i