ML20046D399

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Monthly Operating Rept for Jul 1993 for Maine Yankee.W/
ML20046D399
Person / Time
Site: Maine Yankee
Issue date: 07/31/1993
From: Stewart Bailey, Hebert J
Maine Yankee
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
JRH-93-158, MN-93-75, NUDOCS 9308190148
Download: ML20046D399 (6)


Text

..

MaineYankee RELI ABLE ELECTRICITY SINCE 1972 ED! SON DRIVE = AUGUSTA. MAtNE 04330 - (207) 622-4868 August 9, 1993 MN-93-75 JRH-93-158 UNITED STATES NUCLEAR REGULATORY COMMISSION Attention: Document Control Desk Washington, DC 20555

References:

(a) License No. DPR-36 (Docket No. 50-309)

(b) NUREG-0020, Licensed Operating Reactor Status Summary Report

Subject:

Maine Yankee Monthly Statistical Report - July 1993 Gentlemen:

Enclosed please find the Monthly Statistical Report for the Maine Yankee Atomic Power Station for July 1993.

Please contact me should you have any questions.

Very truly yours,

, cM

'dJames R. Hebert, Manager Licensing & Engineering Support Department SJB/ jag Enclosure c:

Mr. Thomas T. Martin Mr. Charles S. Marschall Mr. E. H. Trottier Mr. Patrick J. Dostie h

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Monthly Statistical Report For July 1993 i

1

i OPERATING DATA REPORT Docket No.:

50-309 Date:

12/Aug/93 l

Completed By:

S.

J.. BAILEY j

Telephone:

207-622-4868 i

Maine Yankee 1.

Unit Name.....

2.

Reporting Period....................

July'1993 l

2700 3.

Licensed Thermal Power (HWt)....

4.

Nameplate Rating (Gross HWe)-...

920

{

5.

Design Electrical Rating (Net HWe)..............

870 6.

Maximum Dependable Capacity (Gross HWe).........

900 l

7.

Maximum Dependable Capacity (Net HWe)...........

860 l,

8.

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

Since Last Report, Give Reasons:

f NO CHANGES

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I 9.

Power Level to Which Restricted, if Any (Net HWe)-

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10. Reasons for Restrictions, if Any:

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THIS HONTH YEAR-TO-DATE CUHULATIVE

11. Hours In Reporting Period 744.00 5,087.00

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12. Number of Hours Reactor Was Critical...........

697.60 4,977.90 146,743.11

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

0.00 0.00 0.00 i

14. Hours Generator On-line..

696.00 4,929.10 142,559.10-

15. Unit Reserve Shutdown
16. Gr Therm 1 Energy Generated (HWH)........

1,635,078.00 12,810,987.00 335,963,910.00 2

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

521,590.00 4,277,160.00 110,574,620.00

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18. Net Electrical Energy Generated (HWH)........

502,701.00 4,142,556.00 106.054.528.00 l

19. Unit Service Factor......

93.55 96.90 78.50-

20. Unit Availabilty Factor..

93.55 96.90 78.50 1

21. Unit Capacity Factor

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(Using HDC Net).........

78.57 94.69 72.59

22. Unit Capacity Factor (Using DER Net)..

77.66 93.60 70.99_

23. Unit Forced Outage Rate..

3.33 2.64 7.31

24. Shutdowns Scheduled Over Next 6 Honths:

Duration Date Type 7/31/93 Refueling 8 weeks

25. If Shutdown at End of Report Period, Estimated Date of Startup 9/24/93

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Docket No:

50-309 Unit Names Maine Yankee e

Date:

08-09-93 Completed By:

S.J.

Bailey Telephone:

207-622-4868 t

Report Month: July, 1993 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCES i

At the beginning of the month, the unit was operating at 90.7% in coastdown mode.

On July 22, the unit was reduced to 80% for condenser chloride investigation.

The unit remained at 80% until July 29.

On July 30, the unit was manually shutdown due to #2 RCP seal e

degradation.

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On July 31, the unit began cycle 13/14 refueling outage.

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AVERAGE DAILY UNIT POWER LEVEL FOR JULY 1993 Docket No.:

50-309 Unit Maine Yankee Date:

13/Aug/93 Completed By:

S.

J.

BAILEY Telephone:

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

(MWe-Net) 1 789 16 736 2

785 17 734 3

783 18 731 4

778 19 727 5

774 20 724 0

759 21 719 7

766 22 651 8

747 23 652 9

740 24 644 10 759 25 642 21 757 26 650 12 747 27 647 652 13 745 28 14 743 29 628 15 739 30 0

31 O

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UNIT SHUTDOWNS AND POWER REDUCTIONS Docket No.:

50-309 i

'FOR JULY 1993 Unit:

Haine Yankee Date:

12/Aug/93 Completed By:

S.

J.

BAILEY Telephone:

207-622-4868 l

Page:

1 of 1 i

lumber L.R.

to 80%

09-93-13 10-93-13 j

Date

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930722

[

930730

[

930731 Type (1)

S I

F S

Duration (Hours) 185.5 24 24 Reason (2) j B

A j

C Hethod (3) l 4

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l 1-LER #

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N/A N/A

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N/A 3

System Code (4)

HF CB ZZ Component Code (5)

HTEXCH-D PUMPXX-B N/A I

On July 22, unit On July 30, unit Unit shutdown for was reduced to 80%

was manually shut-cycle 13/14 for condenser down from 80% due refueling outage, chloride investi-to #2 RCP seal Cause and gation.

The unit degradation. The Corrective remained at 80%

unit remained Action until July 29.

shutdown for the cycle 13/14 refueling outage.

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<1.

TYPE:

2. REASON: (cont) 4.

SYSTEM CODE:

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

Entry Sheets for i

Licensee Event Report 2.

REASON A-Equipment Failure 3.

HETHOD:

(LER) File (NUREG.0161)

B-Haintenance or Test 1-Hanual C-Refueling 2-Hanual Scram 5.

COMPONENT CODE:

D-Regulatory Restriction 3-Automatic Scrau Exhibit I-Same source E-Operator Training &

4-Other (Explain) as above.

License Examination 8

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