ML20067B127

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Monthly Operating Rept for Jan 1994 for Wolf Creek Generating Station
ML20067B127
Person / Time
Site: Wolf Creek Wolf Creek Nuclear Operating Corporation icon.png
Issue date: 01/31/1994
From: Maynard O, Mike Williams
WOLF CREEK NUCLEAR OPERATING CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
WO-94-0015, WO-94-15, NUDOCS 9402230265
Download: ML20067B127 (7)
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I WQLF CREEK NUCLEAR OPERATING CORPORATION Otto L fAaynard Vice Premdent Plant Operations February 11, 1994 WO 94-0015 U. S. Nuclear Regulatory Commission I ATTN: Document Control Desk

  • Mail Station Pl-137

, Washington, D. C. 205S5

Subject:

Docket No. 50-482: January, 1994, Monthly Operating Report Gentlemen:

Attached is the January, 1994, Monthly Operating Report for Wolf Creek Generating Station. This submittal is being made ' in accordance with the

. requirements of Technical Specification 6.9.1.8. >

Very truly yours, 4 $

Otto L. $l$

Maynard Vice President Plant Operations 0111/ j ad Attachment cc: L. J. Callan (NRC), w/a G. A. Pick (NBC), w/a W. D. Reckley (NRC), w/a L. A. Yandell (NBC), w/a i

-"O Dox 411/ Durhngtm, KS 66839 ! Phone (316) 364-8831 9002230265 940131 ADOCK 05000482 an eana, opmun, omgio,,, woscevti [ ')Mf PDR PDR -

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WOLF CREEK ITUCLEAR OPERATI!iG CORPORATICli

't WOLF CREEK GENERATIllG STATION MollTHLY OPERATING REPORT -

M01ITH : January YEAR: 1994 .

Docket No.* 50-482 ,

Facility Operating License No.: HPF-42 Report ric. 107 I

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Attachment 1 to WO 94-0015 1

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SUMMARY

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[' The following report highlights the operating experience of Wolf Creek Generating Station -l for the tr.on t h of January, 1994. This report is being provided pursuant to Technical Specification 6.9.1.8.

I.

SUMMARY

OF OPERATING EXPERIENCE The unit operated near 1004 power until January 14, 1994, when the reactor was shut down for repair of a containment cavity cooling fan. The unit returned to Mode 1, Power Operation, on January 17, 1994. On January 26, 1994, power reduction 4

commenced due to a rod control urgent failure alarm, and at 30% power the reactor was tripped. At 0244 hours0.00282 days <br />0.0678 hours <br />4.034392e-4 weeks <br />9.2842e-5 months <br /> on Jant ary 27, 1994, a Notification of Unusual Event was declared and was terminated at 0423 hours0.0049 days <br />0.118 hours <br />6.994048e-4 weeks <br />1.609515e-4 months <br />. Rod Control repair was performed,

,' but while returning the unit to service a subsequent rod control urgent failure  ;

alarm was received, and the unit was tripped from Mode 2 for replacement of a thyristor in the rod control system. The unit was returned to service on January
30, 1994. .

!- II. MAJOR SAFETY FELATED MAINTENANCE ACTIVITIES i

No major safety related maintenance was performed during the month of January 1994.

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4 l Wolf Creek Generating Station Monthly Operating Report i i February 1994 -

i. Page 1 of 5

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Attachment 1 to WO 94-0015 e

OPERATING DATA REPORT

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DOCKET NO. 50-482:

WOLF CREEK GENEPATING STATION WOLF CREEK NUCLEAR OPEPATING COPPORATION DATE 02-01 COMPLETED BY M. Williams' TELEPHONE 316-364-8831:

OPERATIllG STATUS

1. Peporting Period: January, 1994 Gross Hours in Reporting Period: 744
2. Currently Authorized Power Level (MWt): 3565 Max. Depend. Capacity (MWe-Net): 1134 Design Electrical Rating (MWe 'le t ) : 1170
3. Power Level to Which Restrit t ou . If Any) (MWe-Met) : N/A
4. Reasons for Pestriction (If Any): N/A This Month Yr. to Date Cumulative 'l
5. Number at Hours Peactor was Critical 663.2 663.2 59025.6 l
6. Pecctor Peserve Shutdown Hours 0.0 0.0 339.8 7, Hours Generator on Line 626.7 626.7 58,208.1
8. Unit Peserve Shutdown Hours 0.0 0.0 0.0
9. Gross Thermal Energy Generated (MWH) 2,051,879 2,051,879 191,316,290
10. Gross Electrical Energy Generated (MWH) 708,139 708,139 66,561,688
11. Het Electrical Energy Generated (MWH) 674,228 674,228 63,519,900
12. Reactor Service Factor 89.1 89.1 -80.0
13. Reactor Availability Factor 89.1 89.1 80.5-14.

Unit Service Factor 84.2 84.2 79.0 r

15. Unit Availability Factor 84.2 84.2 79.0
16. Unit capacit y Factor (Using MDC) 79.9 79.9 76.1
17. Unit Capacity Factor (Using Design MWe) 77.5 77.5 73.6 ,
18. Unit Forced Outage Rate 8.6 8.6 5.7
19. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of each): N/A 20 If Shut Down at End of Report Period, Estimate Date of Startup: N/A i

Wolf Creek Generating Station Monthly Operating Report February 1994 ]

Page 2 of 5 ,

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Atta chn unt 1 to WO 94-0015

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[ AVERAGE DAILY UNIT' POWER LEVEL DOCKET NO. 50-482-WOLF CREEK GENERATING STATION

WOLF CREEK NUCLEAR OPERATING CORPORATION {

DATE 02-01-93 COMPLETED BY M. Williams I'

TELEPHONE 316-364-8831 .

MONTH January, 1994 j'  !

i- DAY AVERAGE DAILY POWEB LEVEL DAY AVERAGE DAILY POWER LEVEL

- (MWe-Het) (MWe-Net) 1 1157 l 't 1
2 1156 18 703 i 3 1155 19 1137 'i

, 4 1155 20 1138 ,

, r S 1155 21 1140 6 1155 22 1097 )

7 1149 23 1142 l 8 1154 24 1144 #

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10 1156 26 1045 --l' r

11 1154 27 46

, 12- 1155 28 0 13 1155 29 65 ,

14 1117 30 1040

,. i 15 66 31 1144 16 0 l

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Wolf Creek Generating Station Monthly Operating Report ,

i- February 1994'

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Attachment,1 to WO 94-0015

  • i WOLF CREEK NUCLEAR OPERATING CORPORATION WOLF CREEK GENERATING STATIO!I UNIT NO. 1 MONTN January, 1994 j l

SUMMARY

OF OFERATING EXPERIENCE  !

l Listed below in chronological sequence is a summary of operating experiences for this. ,

month which require:d load reduction or resulted in significant non-load related incidents. l DATE TIME EVENT.

January 1, 1994 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> Unit near 1004 power, January 14, 1994 1945 hours0.0225 days <br />0.54 hours <br />0.00322 weeks <br />7.400725e-4 months <br /> Commenced Power Reduction for Containment Cavity Cooling Fan Repair 2334 hours0.027 days <br />0.648 hours <br />0.00386 weeks <br />8.88087e-4 months <br /> Unit at 50+ power.

January 15, 1994 1049 hours0.0121 days <br />0.291 hours <br />0.00173 weeks <br />3.991445e-4 months <br /> Unit entered Mode 2, startup.

1251 hours0.0145 days <br />0.348 hours <br />0.00207 weeks <br />4.760055e-4 months <br /> Unit entered Mode 3, hot standby.

January 17, 1994 1007 hours0.0117 days <br />0.28 hours <br />0.00167 weeks <br />3.831635e-4 months <br /> Unit entered Mode 2, startup.

1617 hours0.0187 days <br />0.449 hours <br />0.00267 weeks <br />6.152685e-4 months <br /> Unit entered Mode 1, power operation.

January 18, 1994 2330 hours0.027 days <br />0.647 hours <br />0.00385 weeks <br />8.86565e-4 months <br /> Unit nea r 100'* power .

January 20, 1994 1633 hours0.0189 days <br />0.454 hours <br />0.0027 weeks <br />6.213565e-4 months <br /> Commenced Power Reduction due to Rod Control Urgent Failure Alarm.

January 27, 1994 0423 houts Reactor Manually Tripped, Unit entered Mode 3, 4 hot standby. j January 28, 1994 0135 hours0.00156 days <br />0.0375 hours <br />2.232143e-4 weeks <br />5.13675e-5 months <br /> Unit entered Mode 2, startup.

1733 hours0.0201 days <br />0.481 hours <br />0.00287 weeks <br />6.594065e-4 months <br /> Unit entered Mode 3, hot standby, for rod control repair. 'l January 29, .994 OS32 hourr. Urd t entered Mode 2, startup.

1321 hours0.0153 days <br />0.367 hours <br />0.00218 weeks <br />5.026405e-4 months <br /> Unit entered Mode 1, power operation.

January 30, 1994 2400 hours0.0278 days <br />0.667 hours <br />0.00397 weeks <br />9.132e-4 months <br /> Unlt neat 100% power.

i Wolf Creek Generating Station Monthly Operating Report February, 1994 Page 5 of 5

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