ML19209C463

Monthly Operating Rept for Sept 1979

ML19209C463
Person / Time
Site:	Cooper
Issue date:	10/08/1979
From:	Ballinger P NEBRASKA PUBLIC POWER DISTRICT
To:
Shared Package
ML19209C461	List: ML19209C460 ML19209C463
References
NUDOCS 7910150601
Download: ML19209C463 (4)

Text

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OPERATING DATA REPORT DOCKET NO. 050-0298 DATE October 8,1979 CCalPLETED BY P. L.

Ballinger TELEPHONE 404-da-J811 OPERATING STATUS Notes

1. Unit Name:

Cooper Nuclear Station

2. Reporting Period:

September 1979

3. Licensed Thermal Pcwer (MWt):

2381 836

4. Nameplate Rating (Gross MWe):

5. Design Electrical Rating (Net MWel:

778 787

6. Maximum Dependable Capacity (Gross MWe):

764

7. Maximum Dependable Capacity (Net MWe):

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

~

9. Power Level To which Restricted. If Any (Net MWe):

None None

10. Reasons For Restrictions. !f Any:

This Month Yr..to.Date Cumularise 720.0 6,551.0 46.032.0 i1. Houn in Reporting Period

12. Number Of Hours Reactor Was Critical 676.5 5,712.3 39,167.2

13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0

14. Hours Genen:or On.Line 655.7 5.612.2 38.415.4

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thennal Energy Generated (MWH) 1.335,240.0 11.372,448.0 71.796.606.0

17. Gross Electrical Energy Generated (MWH) 437.194.0,_,

3.718.064.0 23.075.950.0 IS. Net Electrical Energy Generated (MWH) 421.234.0 3.583.252.0 22.246.591.0

19. Urut Service Factor 91.1 35.7 83.5

20. Unit Availability Factor 91.1 85.7 83.5

21. Unit Capacity Factor (Using MDC Net) 76.6 71.6 63.3

22. Unit Capacity Factor (Using DER Net) 75.2 70.3 62.1

23. Unit Forced Outage Rate 8.8 2.7 4.5

24. Shutdowns Scheduled Over Next 6 Months (Type. Date.and Duration of Eacht:

Refueling and Maintenance, March' 15, 1980, 6 weeks

.+

25. If Shut Down At End Of Report Period. Estimated Date of Startup:

26. Units In Test Status (Prior to Commercial Operation 1:

Forecast Achiesed INITIA L CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION ll43 2/4 7 91015 0,L,D,I

AVERAGE DAILY UNIT POWER LEVEL 050-0298 DOCKET NO.

LWIT rnoner Nuclear Station DATE October 8, 1979 COMPLETED BY P. L. Ballinger TELEPliONE 402-825-3811 MONT11 Senta-her DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL IMWe-Neti 1MWe-NetI 700 607 g

g7 2

563 g3 691 631 3

696 39 4

716 20 671 652 3

692 21 700 653 6

22 7

701 23 539 691 697 3

,4 723 9

655 25 692 10

!. 9 26 526 698 gg

,7 688 491

3 14 685 13 29 14 0

30 678 15 33 3j 16 350 INSTRUCTIONS On tfus format. fist the average dady unit power !evelin MWe Net for each day in the reporting month. Compute to the nearest whole megawatt.

(4/77)

!143 275

050-0298 IMk KE1 NO.

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UNIISilUIDOWNS AND POWER REDUC 1 IONS 3

UNIT NAME Cooper Nuclear Stat.

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DATE October R_

1979 I

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R211inoor REM)R1 MON 111 September 1ELEPilONE An%A95_3eii fatise & Corte(tive

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,C *t, No.

Date Q

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fV Action to

~gc iteport sr in V Peetent Recurrence y@

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d 79-10 9-11-79 s

1.4 A

N/A N/A N/A N/A Decreased power to approximately 160 MWeN and tripped turbine generator to repair a leak in the turbine control system.

79-11 9-13-79 F

62.9 A

3 79-25 CB Pump XX Recirc. Pump "B" seal failed requiring shutdown of reactor for replacement.

l 2

3 4

I~: Forced Iteason:

Method:

Exhibit F-In st in(tions s

S Sthed ule.I A-l quipment Failure (Explain) 1-Manual for Pseparation of Data B-Maintenance oi Test 2 Manual Scram.

Entry Sheets foi I.icensee u.

C Refueling 3-Automatic Scram.

Event Itepuit (I l'It) I de (Nilill (;.

D llegulatory itestriction 4-Othes ( Explain) 0161) g,,

E-Operator Training & License I:xamination F-Administrative 5

(;-Operational I.isor (lixplain)

Esinbit 11 Same Sour (e p8/77)

Il Other (Explain) 9

s.

COOPER NUCLEAR STATION OPERATIONS NARRATIVE September 1979 On 9/10/79, a fluid leak in the turbine control system was discovered.

On 9/11/79, reactor power was decreased and the turbine generator was tripped to repair this leak. The turbine generator was off line for approximately 1.4 hours4.62963e-5 days <br />0.00111 hours <br />6.613757e-6 weeks <br />1.522e-6 months <br />. The unit was returned to normal power oper-ation upon completion of maintenance and repairs to the turbine control system.

On 9/12/79, reactor recirculation pump "B" number 2 seal failed re-quiring shutdown of the reactor.

Reactor manually scrammed on 9/13/79.

The unit remained shutdown for approximately 62.9 hours1.041667e-4 days <br />0.0025 hours <br />1.488095e-5 weeks <br />3.4245e-6 months <br /> to permit com-pletion of recirculation pump seal replacement a.,d other minor main-tenance items. The unit returned to power operatien and operated the balance of the month.

I143 2?7