ML20134C129

Monthly Operating Rept for Aug 1996 for Wolf Creek Generating Station

ML20134C129
Person / Time
Site:	Wolf Creek
Issue date:	08/31/1996
From:	WOLF CREEK NUCLEAR OPERATING CORP.
To:
Shared Package
ML20134C128	List: ML20134C125 ML20134C129 ML20134C132 ML20134C137
References
WO-96-0134, WO-96-134, NUDOCS 9609250267
Download: ML20134C129 (6)

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Attachment 1 to WO 96-0134 page 1 of 6 l

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!' WOLF CREEK NUCLEAR OPERATING CORPORATION WOLF CREEK GENERATING STATION j-i

! MONTHLY OPERATING REPORT MONTH: August YEAR: 1996 Docket No.: 50-482 Facility Operating License No.: NPF-42 l

Report No. 138 I

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9609250267 960913 '

PDR ADOCK 05000482 R PDR

I Attachmsnt 1 to WO 96-0134 i i

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SUMMARY

l The following report highlights the operating experience of Wolf Creek Generating Station for the month of August, 1996. This report is being provided pursuant to Technical Spacification 6.9.1.8.

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SUMMARY

OF OPERATING EXPERIENCE r

Tha unit operated at or near 100% power, Mode 1, August 1, 1996, through August 19, 1996, whsn power was reduced to repair cracks in the weld at condenser connection #072. At 0505, August 19, 1996, power was stablized at 55%. Repairs were completed, and at 1800, l . August 19, 1996, the unit commenced power ascension. The unit was stablized at 100%

powar, Mode 1, at 2258, August 19, 1996.

At 0836, August 20, 1996, the unit commenced power reduction for recurring oil t fluctuations and filter alarms on the "A" Main Feedwater Pumps. At 1128, August 20, 1996, I

powar was stablized at 55% for troubleshooting on power supply cards. Replacements were

! completed, and the unit commenced increasing power at 2200, August 20, 1996. The unit l steblized at 100% power, Mode 1, at 0220, August 21, 1996. The unit remained at 100%

i power, Mode 1, for the remainder of August, 1996.

I II. MAJOR SAFETY RELATED MAINTENANCE ACTIVITIES t None i

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Wolf Creek Generating Station j Monthly Operating Report August, 1996 Page 2 of 6

Attochment 1 to WO 96-0134 OPERATING DATA REPORT DOCKET NO. 50-482 WOLF CREEK GENERATING STATION WOLF CREEK NUCLEAR OPERATING CORPORATION DATE 9-10-96 TELEPHONE 316-364-8831 OPERATING STATUS

1. Reporting Period: August, 1996 Gross Hours in Reporting Period: 744

2. Currently Authorized Power Level (MWt) - 3565 Max. Depend. Capacity (MWe-Net) : 1163 Design Electrical Rating (MWe-Net) : 1170

3. Power Level to Which Restricted (If Any) (MWe-Net) . N/A

4. Reasons for Restriction (If Any) : N/A This Month Yr. to Date Cumulative

5. Number of Hours Reactor was Criticsl 744.0 4,206.2 78,822.9 l

6. Reactor Reserve Shutdown Hours 0.0 0.0 339.8  ;

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7. Hours Generator on Line 744.0 4,151.2 77,930.9

8. Unit Reserve Shutdown Hours 0.0 0.0 0.0

9. Gross Thermal Energy Generated (MWh) 2,603,985 14,484,629 259,826,299

10. Gross Electrical Energy Generated (MWh) 890,838.0 4,985,749 90,244,669

11. Net Electrical Energy Generated (MWh) 854,163.0 4,743,969 86,180,820 l

12. Reactor Service Factor 100.0% 71.8% 81.8%

13. Reactor Availability Factor 100.0% 71.8% 82.1%

14. Unit Service Factor 100.0% 70.9% 80.9%

15. Unit Availability Factor 100.0% 70.9% 80.7%

16. Unit Capacity Factor (Using MDC) 98.7% 69.5% 78.6%

17. Unit Capacity Factor (Using Design MWe) 98.1% 69.3% 76.4%

18. Unit Forced Outage Rate 0.0% 3.7% 4.7%

19. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of each) :

None

30. If Shut Down at End of Report Period, Estimate Date of Startup: N/A Wolf Creek Generating Station Monthly Operating Report August, 1996 Page 3 of 6

Attachmsnt 1 to WO 95-0134 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-482 WOLF CREEK GENERATING STATION WOLF CREEK NUCLEAR OPERATING CORPORATION DATE 9-10-96 TELEPHONE 316-364-8831 MONTH August, 1996 '

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 1168 17 1173 2 1169 18 1173 3 1169 19 801

'4 1169 20 863 5 1170 21 1162 6 1169 22 1168 7 1170 23 1169 {

l 8 1171 24 1170 9 1170 25 1168 10 1172 26 1169 11 1175 27 1168 12 1176 28 1165 13 1173 29 1166 14 1173 30 1167 15 1172 31 1170 16 1171 l

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Wolf Creek Generating Station Monthly Operating Report

. August, 1996

! Page 4 of 6 I

Attachment 1 to WO 96-0134 UNIT SHUTDOWN AND POWER REDUCTIONS , , .

DOCKET NO. 50-482 WOLF CREEK GENERATING STATION WOLF CREEK NUCLEAR OPERATING CORPORATION DATE 9-10-96 TELEPHONE 316-364-8831 Type METHOD OF SHUTTING F: FORCED DURATION REASON DOWN THE REACTOR CORRECTIVE ACTIONS / COMMENTS No Date S: SCHEDULED (Hours) (1) OR REDUCING POWER (2) i 1 8/19/96 F 0 B 4 Repaired condenser connection #072 (weld) 2 8/20/96 F 0 B 4 Replacement of power supply cards

SUMMARY

The unit operated at or near 100% power, Mode 1, August 1, 1996, through August 19, 1996, when power was reduced to repair cracks in the weld at condenser connection 072. At 0505, August 19, 1996, power was stablized at 55%. Repairs were completed, and at 1800, August 19, 1996, the unit commenced power ascension. The unit was at 100% power, Mode 1, at 2258, August 19, 1996.

At 0836, August 20, 1996, the unit commenced power reduction for recurring oil fluctuations and filter alarms on the "A" Main Feed Pumps. At 1128, August 20, 1996, power was stablized at 55% for troubleshooting on power supply cards. Replacements were completed, and the unit commenced increasing power at 2200 August 20, 1996. The unit stablized at 100% power, Mode 1, at 0220, August 21, 1996. The unit remained at 100% power, Mode 1, for the remainder of August, 1996.

1) REASON: A: EQUIPMENT FAILURE (EXPLAIN) E: OPERATOR TRAINING AND LICENSE EXAMINATION (2) METHOD: 1. MANUAL B: MAINTENANCE OR TEST F: ADMINISTRATIVE 2. MANUAL SCRAM C: REFUELING G: OPERATIONAL ERROR (EXPLAIN) 3. AUTOMATIC SCRAM D: REGULATORY RESTRICTION H: OTHER (EXPLAIN) 4. CONTINUED

5. REDUCED LOAD

9. OTHER Wolf Creek Generating Station Monthly Operating Report August, 1996 Page 5 of 6

Attachmsnt 1 to UO 96-0134 WOLF CREEK NUCLEAR OPERATING CORPORATION WOLF CREEK GENERATING STATION UNIT NO. 1 MONTH August, 1996

SUMMARY

OF OPERATING EXPERIENCE Listed below in chronological sequence is a summary of operating experiences for this month which required load reduction or resulted in significant non-load related incidents.

DATE TIME EVENT 8/19/96 18 hours2.083333e-4 days <br />0.005 hours <br />2.97619e-5 weeks <br />6.849e-6 months <br /> Repaired condenser connection #072 (weld) 8/20/96 12.5 hours5.787037e-5 days <br />0.00139 hours <br />8.267196e-6 weeks <br />1.9025e-6 months <br /> Replacement of power supply cards  ;

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Wolf Creek Generating Station Monthly Operating Report August, 1996 Page 6 of 6