ML20236W436

Monthly Operating Rept for Aug 1987

ML20236W436
Person / Time
Site:	Maine Yankee
Issue date:	08/31/1987
From:	Taylor J, Whittier G Maine Yankee
To:	Hartfield R NRC
References
GDW-87-214, MN-87-98, NUDOCS 8712080029
Download: ML20236W436 (6)

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1, maine 9ankee i

j Mcar7 t h 1 y Statistical R e p ca r- t f= car- A ug u nst 1997 8712080029 870831 PDR ADOCK 05000309 R PDR I}s\s

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OPERATING ~ DATA. REPORT Dockst'No.: 50-309- l Dates. 02/Sep/87:

Completed By. J.MJ TAYLOR Telephone: 207-882-6321:

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>1. Unit Name....................................... Maine' Yankee' -j

2. Reporting Period................................ Auaust 1987- j

3. Licensed' Thermal Pcwer (MWt).................... -2630  :)

4. Nameplate. Rating (Gross MWe).................... 864

5. Design Electrical Rating (Net MWe).............. 825-f6. Maximum Dependable Capacity (Gross'MWe)......... 850 7.- Maximum Dependable Capacity (Net MWe)...........- 810 .)

8.'If. Changes in Capacity Ratings (Items' Number 3-7)- ~j I

Since Last~ Report,.Give Reasons:

NO CHANGES 1

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9. Power Level to Which Restricted, ifcAny (Not MWe) 93 % -

10. Reasons' f or Restrictions, if Any:

Low oressure-turbine THIS MONTH YEAR-TO-DATE- CUMULATIVE 1 1.. Hours In Reporting Period 744.00 5.831.00

12. Number of Hours Reactor q Was Critical........... 219.37 2.795.43 102.924.32

13. Reactor Reserve Shutdown Hours.................. 0.00 0.00 0.00

14. Hours Generator On-line.. 179.73 2.4B6.'39 -99.826.08-

15. Unit Reserve Shutdown Hours.................. 0.00 0.00' O.OO

16. Gross Thermal Energy Generated (MWH)........ 392.784.00 5.494.633.00 226.751'.945.00

17. Gross Electrical Energy . . .

Generated (MWH)........ 123.790.00 1.779.520.00 74.400.530.00'

18. Net Electrical Energy .

Generated (MWH)........ 119.180.00 1.712.783.00- 71.140.854.00 l

19. Unit Service Factor...... 24.16 42.64 76.90

20. Unit Availability Factor., 24.16 42.64- 77.60

21. Unit Capacity Factor y (Using MDC Net)........ 19.78 36.26 L69.30  ;

22. Unit Capacity Factor 1 (Using DER Net)........ 19.42 35.60

• 67.51

23. Unit Forced Outage. Rate.. 75.67 35.21 7.51 q

24. Shutdowns Scheduled Over Next 6 Months: NONE i 1

25. If Shutdown at End of Report Period,. Estimated Date of1Startups- N/A-I l

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l Dockot No 50-309 Unit Names. . Maine Yenkee l

Date: .

01/Sep/87' Completed.By: J.M.-Taylor

-Telephone: 207-882-6321 i

Report Month: August, 1987 NARRATIVE

SUMMARY

OF. OPERATING EXPERIENCES:

1 At the beginning of the. month,the~ unit'was in a cold shutdown! ,

condition f or main turbine- repair.

On;22 August cotamenced. reactor startup.

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On'24 August the unit was phased to the grid..The unit was taken off-line and the turbine balanced. The unit was'rephased and? loading. '

j commenced.- ]

On 26 August power . was ' held at : 88% whil e. mymetric . of f set. calibrat:

-ion was completed.: Loading was resumed. . . . .

On 27 August power-was held at-96% for. data collection.

On 28 August loading resumed.

At the end of the month power was at.98%. +

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' AVERAGE DAILYJUNIT POWER LEVEL FDR AUGUST 1987 Docket No.:" '50-309 Unit: Maine Yankee Date: '01/Sep/87 Completed By: J.M. TAYLOR Telephone: 207-882-6321 Day' Avg. Daily Power Level Day Avg. Daily-Power Level- 1

.(MWe-Net) (MWe-Net) H 16 1 .................... O ..................... 0.

] i 2 .................... O 17 .................... O 18 O 3 .................... O .................... i,

,i 4 .................... O 19 ....................- 0 5 .................... O 20 .................... O' 6 .................... O 21 . . . . . . . . . . . . . . . . . . . .. O 1

. 1 7 .................... O .Z2 .................... . O I 8 .................... O 23' .................... O' 9 .................... O- 24 .................... 50.

10 .................... O 25 .................... 381 1

11 .................... O 26 .................... 638. 1 1

12 ....................- 0 27 .................... 763 13 .................... O 28- .................... 775 14 .................... O 29 ..................... 784  !

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15 .................... O 30 ....................-

784.  ;

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L 31 ...................1 791: i i

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UNIT SHUTDOWNS AND POWER REDUCTIONS DockGt No.: 50-309 FOR AUGUST 1987 Units Mnin] YcnkO3 Date: 02/Sep/87 Completed By: J.M. TAYLOR Telephone: 207-882-6321 Page: '1 of 1 Nurber 24-87-10 25-87-10 Dnto 870718 870824 Typa (1) F S Duretion (Hours) 558.9 5.4 R]cron (2) B B M2thod (3) 1 1 LER # N/A N/A System Cod] (4) HA HA Component Coda (5) turbin turbin main turbine main turbine vibration vibration Ccuee and Corrective Action

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

2. REASON Licensee Event Report A-Equipment Failure 3. METHOD: (LER) File (NUREG.0161)

B-Maintenance or Test 1-Manual C-Refueling 2-Manual Scram 5. COMPONENT CODE:

D-Ragulatory Restriction 3-Automatic Scram Exhibit I-Same source E-Operator Training & 4-Other (Explain) as above.

License Examination

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MaineYankee FIELIABLE ELECTRICITY FOR MAINE SINCE 1972 r -'

EDISON DRIVE . AUGUSTA, MAINE 04330 . (207) 622-4868 q i

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j NT September 8,.1987 MN-87 GDH-87-214 Office of' Resource Management .

United States Nuclear Regulatory Commission ..

.Hashington, D. C. 20555 Attention:- Mr. Richard A. Hartfield,. Chief. l Management Information Branch j f

References:

(a) License No.. DPR (Docket No. 50-309) l- -(b) NUREG-0020, Licensed Operating Reactors Status Summary  ;

Report

Subject:

Maine Yankee Monthly Statistical Report Gentlemen:

Enclosed you will find the Monthly Statistical Report for the Maine Yankee Atomic Power Station for August,1987.

Very truly yours, MAINE YANKEE

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l bfW G. D. Whittier, Manager

- Nuclear Engineering and Licensing ~  ;

GDH/bjp Enclosure ;g cc: Mr. Victor Nerses M Mr. Hilliam T. Russell 9@

Mr. Pat Sears -i Mr. Cornelius F. Holden 4 1 se >\

N l 9126L-LM0 1 -_ _ ___.- I O