ML20005G570

Rev 1 to Monthly Operating Status Rept for Nov 1989 for Cooper Nuclear Station

ML20005G570
Person / Time
Site:	Cooper
Issue date:	11/30/1989
From:	NEBRASKA PUBLIC POWER DISTRICT
To:
Shared Package
ML20005G563	List: ML20005G562 ML20005G568 ML20005G570
References
NUDOCS 9001190345
Download: ML20005G570 (2)

Text

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OPERATING DATA REPORT I

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"i 050-0298 DOCKET NO.

F UNIT CNS E DATE _ January 8. 1990 .l OPERATING STATUS TELEPHONE (402) 825 5291 l i

1. Unit Name: Cooner Nuclear Station . Notes s 3. Reportme period: November 1999. Revialon 1 * - indicates revised values I

3. Usensed Thermal Power (MWt): 2381  ;

54 ' Nameplate Moline (Gross MWo): 836

)

6. Design Electrieel Reting (Not MWo): 778 j

6. Maximum Dependable Capacity (Groes MWo): 787' j Ti - Maximum Dependable Capaolty (Not MWe): 764

8. W Changes Occur in Capacity Retings (home Number 3 Through 7) Since Last Report, Give Reasons:

I 9.. Power 14 vel To Whloh Restricted, N Any (Not MWe): -i

10. ' Reasons For Restriction,N Any:  ;

This Month Yr.-to.Dete Cumulative 11, Hours in Reportine Period 720.0 8.016.0 135.169.0

12. Number of Hours Reactor Was Crition! 601.7

• 5.935.8

• 101.911.1 *

' 13. Reactor Reserve Shutdown Hours 0.0 0.0 0.0_

14. Hours Generator On Une 598.3 5.870.3 100.304.9

16. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Groes Thermal Energy Generated (MWH) 1.357.368 0 13.241.136.0 200.971.860.0

17. - Gross Electrical Energy Generated (MWH) 454.644.0 4.382.909.0 64.775.730.0

18. Not Electrical Energy Generated (MWH) 440.226 0 4.245.376.0 62.474.610.0

19. Unit Service Factor 83.1 73.2 74.2

- 20. Unit AvailabilityFactor 83.1 73.2 74.2 21.' Unit Capacity Factor (Using MDC NeQ 80.0 69.3 60.5 t

22. ' Unit Capacity Factor (Using DER Net) 78.6 68.1 59.4  ?

23. Unit Forced Outa0e Rate 16.9 7.0 4.8

24. Shutdown Scheduled Over No d 6 Months (Type, Date, and duration of Each):

Refuelina and Maintenance Outaae 13. Scheduled March 1990: 8 week duration

26. N Shut Down At End of Report Period, Estimated Date of Startup: December 1.1989

26. Units in Test Status (Prior to CommercialOperation): Forecast Achieved INITLAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

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i. 050-0298 -

UNIT SHUTDOWNS AND POWER REDUCTIONS

-DOCKET NO.

UNIT NAME Cooper Nuclear Station REVISION 1 DATE e COMPLETED BY i November 1989 TELEPHONE (402) 825-3811 REPORT MONTH Cause & Corrective Method of Licensee 4 3 Action to i

Shutting Event System Component Duration 2 3 Report i Code Code Prevent Recurrence Date Type (Hours) Reason Down Reactor i No.

5 N/A JK SC Lead reduced when Operators intention-89-10 891112 F 0 A ally tripped a Reactor Recirculation pump to recover level from loss of a feed pump. The feed pump turbine control valve pneumatic positioner l orifice was blocked by a loose metal chip cansing t.losure of the valve on loss of motive air and an ensuing decrease in turbine speed without a pump trip. The metal chip was removed during inspection.

121.7 A 3 89-026 LD FLT,TS An automatic reactor scram occurred 89-11 891125 F due to MSIV drift and subsequent closure trip signal when an instrument air dryer post-filter element caught fire and the post-filter vessel failed, resulting in loss of instru-ment air. The dryer temperature limit switch was determined to be faulty during instrument air system troubleshooting and testing. 'uot h the switch and post-dryer filter were replaced during subsequent maintenance.

Ine post-dryer tilter media was 3 Method: 4 Exhibit C - Instructions for upgraded to a high 1 F: Forced 2 Reason: 1 Manual Preparation of Data Entry temperature element <

S: Scheduled A - Equipment Failure (Explain) 2 - Manual Scras Sheets for Licensee Event B - Maintenance or Test 3 - Automatic Scram Report (LER) File (NUREG-0161)

C - Refueling D - Regulatory Restriction 4 - Continued 5 - Reduced load 5 Exhibit 1 - Same Source E - Operator Training & License Examination 6 - Other F - Administrative G - Operational Error (Explain)

H - Other (Explain)

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