ML20059N458

Monthly Operating Rept for Sept 1990 for Maine Yankee Atomic Power Station

ML20059N458
Person / Time
Site:	Maine Yankee
Issue date:	09/30/1990
From:	Hall S Maine Yankee
To:
Shared Package
ML20059N457	List: ML20059N455 ML20059N458 ML20059N459 ML20059N462 ML20059N464
References
NUDOCS 9010160007
Download: ML20059N458 (5)

Text

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OPERATING DATA REPORT

' Docket No.

50-309 Date:

03/Oct/90 Completed By:

S.

L.

Hall' Telephones.

-207-622-4868 1.

Unit;Name..........-..............................

Maine Yankee J2. Rcpo. ting Period..........................-......

Sootember 1990 3.

Licensed Thermal Power (MWt)....................

2700 4.

Ncmeplate Rating (Gross MWe).....................

890 5 '. Dssign Electrical Rating (Not MWe).........

4 840

.6.

Moximum Dependable Capacity (Gross MWe).........

870 7.

Moximum Dependable Capacity (Net MWe).......-....

830 8.

If Changes in Capacity. Ratings (Items Number 3-7)

Since Last-Report, Give Reasons:

NO CHANGES i

1

,9.

Power Level to Which Restricted, if Any (Net MWe) j

10. Reasons for Restrictions, if Any:

l THIS MONTH

. YEAR-TO-DATE CUMULATIVE

11. Hours In Reporting Period 720.00 6,551.00 i

12. Number of Hours Reactor Wha Critical...........

720.00 4,562.33 125.575.31 j

13. Reactor Reserve Shutdown Hours..................

0.00 0.00 0.00-1

14. Hours Generator On-line..

720.00 4.332.20 122.004.63

15. Unit Reserve Shutdown Hours..................

0.00 0.00

' OL. 0 0

16. Gross Thermal Energy Generated (HWH)........

1,895,650.00 10,995,820.00 283,208,421.00

17. Gross Electrical Energy Generated (MWH)........

636.850.00 3.680,800.00 92.954,010.00

18. Not Electrical Energy 89.001,766.00 l

i Generated (MWH)........

617,400.00 3 571,886.00

19. Unit Service Factor......

100.00

'66.13 77.83

20. Unit Availabilty Factor.,

100.00 66.13 77.83

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'21.

Unit Capacity Factor (Using MDC Net)........

103.31 65.69 7 1'. 3 0 -

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22. Unit Capacity Factor i

(Using DER Net)........

102.08 64'.91 69.60

23. Unit Forced Outage Rate..

0.00 0.63 6.78?

24. Shutdowns Scheduled Over Next 6 Months:

NONE-

25. If Shutdown at End of Report Period, Estimated Date of Startup:

N/A i

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DockGtLNo 50-309 3,7

. Unit Names!

Maine Yankee-Date:

10-03-90

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Completed By S._L.

Hall

-Telephones 207-622-4868-Raport Month: September,- 1990 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES At the beginninD of the' uonth the unit was at 100%l power.

On September 14th and 15th, the unit was reduced'-in power and held at' 75% to perform Mussel Control, Turbine Valve testing, Hand Cire. Water Box eleaning.

On September 16th, the unit was returned to1100% power.

d On-September 30th, the unit was reduced _to-30% power _[for the Turbine Main Oil Pump Seal outage.

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AVERAOE. DAILY UNIT POWER LEVEL FOR SEPTEMBER 1990 Docket No.:

50-309 Unit Maine Yankeo Date:L 03/Oct/90 Completed By:

S.

L. Hall Telephone:

207-622-4868 Dcy Avg. Daily-Power Level Day Avg. Daily Power Levol (MWe-Net)

(MWe-Net) 1 865 16 842 2

866 17 870 3

865 18

.872 s

4 869 19 876 5

864 20 876 6

867 21 875 7

868 22 879 8

868 23 876 9

869 24 881 10 869 25 881 11 869 26-882 12 868 27 882 13 868 28 884-14 831 29 883 15 612 30

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N T SHU,TDOWNS AND POWEk REDUCTIONS Dock 0t No.:

.50-309 FOR SEPTEMBER 1990 Unit Maino YcnkO3 Date:

03/Oct/90 Completed by:

S.

L.

Hall Telephone:

207-622-4068 Page:

1 of 1 f

Nurber L.

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to 30%

Dato 900930 l

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GENERA-D l

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At the end of the month power was reduced to 30% for the Turbine Main Coure and 011 Pump Seal Cerrective Outage.

Action 1.

TYPE:

2. REASON: (cont) 4.

SYSTEM CODE:

(F) creed F-Administrative Exhibit G-Instructions (S)cheduled G-Operational Error for Preparation of Data H-Other (Explain)

Entry Sheets for

2. REASON Licensee Event Report A-Equipment Failure

3. METHOD:

(LER) File (NUREG.0161)

B-Maintenance or Test 1-Manual C-R fueling 2-Manual' Scram S. COMPONENT CODE:

D-Rcquiatory Restriction 3-Automatic Scram Exhibit I-Same source E-Operator Training &

4-Other (Explain) as above.

License Examination