ML20198P135

Monthly Operating Repts for Dec 1997 for North Anna Power Station,Units 1 & 2

ML20198P135
Person / Time
Site:	North Anna
Issue date:	12/31/1997
From:	Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
98-025, 98-25, NUDOCS 9801220015
Download: ML20198P135 (10)

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- VIHOINIA ELI:CTHIC AND r OWi!H COMPANY Hicitwoxn,Vanornir unus January 12,1998 United States Nuclear Regulatory Commission Serial No.98-025 Attention: Document Control Desk NAPS /JHL Washington, D. C. 20555 Docket Nos. 50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS.1 AND 2

, MONTHLY OPERATING REPORT Enclosed is the December 1997 Monthly Operating Report for North Anna Power Station Units 1 and 2.

Very truly yours, UAW W W. R. Matthews Station Manager Enclosure l

cc: U. S. Nuclear Regulatory Commission l Region ll Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303 y ") (< gf Mr. M. J. Morgan

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NRC Senior Resident inspector North Anna Power Statyn 9901220015 971231 PDR ADOCK 05000338 R PDR I, I , , ,l ,

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VIRG.TNI#. POWER COMPANY NORTH ANNA POIGR STATION MONTHLY OPERATING REPORT MONTH: December Year: 1997 i

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Station Manager

w OPERATING DATA REPORT DoctET No.1 ' 50-338 DATE: January 5, 1998 CONTACTS W. p. Matthews PHDNE: ($40) 094-2101 Ot%ATING STATUS

1. Urd t Name s . . . . . . . . . . . . .. . . . . North Anna 1

2. Poport.ing Periode..... . ........., ......, Deces4+r 91

3. U censed Thermal Power (MWt) t . . . .. . ... 2,993 4, Naseriete Pating (Gross MWe) . . . . ... 979.14 '

S. Deatyn Electrical Petitig (Wet HWe) ... ..... 901

6. Hazie.m Dependable capacity (Gross MWe) .. .. 940

7. Maulamm !=pendable capacity (Not MWe) t.. .. . 993

9. If ct.angea cceur to Capacity patings (1tene 3 thru 71 since last report, give reasons: N/A

9. I'3wer level to Alch restricted, if any (Net HWel t N/A

10. Aeesans fu sestrictions, if anyt N/A Ttds Montt Y-t-D Cumulative

11. Hauts In poporting Period. ....... . .. .. .. . .. 744.0 8,760.0 171,190.0

12. Nwrter of Haurs Peactor was Critical. .. . .. . . ... . 744.0 4,037.0 133,255.0

13. Reactor beserve Shutdown Hours. .... . . . ... .. .. 0.0 49.0 1,095.0

14. Haurs Generator On-Line. .. . . .. . .. .. 744.0 7,99).6 130,1E7.4 16, Urdt Peserve Shutdown Hours. . . , . . . 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH).... . . . .. ... 2,151,676.5 22,953,935.9 350,534,472.5

17. Gross Electrical E.norgy Generated (MWM). . . . .. 705,093.0 7,527,967.J 152,170,E53.0 te. Net tieetrical Energy Generated (MWIO. . . 671,574.0 7,1* T,52 9. 0 109,144,183.0

19. Unit Service Factor. . . . . .. . ... . ... . . . 100.0% 91.3% 76.04

20. Unit Avallability Factor. . .... .. . .... . , . 100.06 91.3% 16.06

21. Unit capacity f actor (using MDC Net) . .. . . ... .. .... 1C1.1% 91.*4 12.0%

22. Unit Capacity Factor (usir - DER Net) . .. . . . .. . . 99.5% 90.1% 70.3%

23. Forced outage e s te. , . .. ...... . .. . 0.0% 0.04 8.3%

24. Shutdowns acheduled over Next 6 Months (Type, Dete, Ouration of Eac _ N/A

25. If Shutd>wn at and of Peport Period, estimated time of Startup N/A

26. Unita in Test Ota* es (trior to coamercial Cperation):

Torecast Achieved INITIAL CRITICALITY INITI AL ELEL"fRICITY CtattERCIAL OPERATION

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i AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 <

Unit NA-1 Date: Jan 5.1998

Contact:

W. R. Matthews Phone (540) 894-2101 MONTH December 1997 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Ne t) LEVEL (MWe-Net) 1 904 17 903 __

2 905 18 903 3 905 19 904 4 905 20 903 5 903 21 903 6 903 22 902 7 904 33 902 8 904 24 901 9 903 25 902 10 902 26 901 11 903 27 901 12 902 28 901 13 902 29 901 14 903 30 900 15 903 31 900 16 903 Instructions:

On this format, list the average daily unit power level in MWe-Net for each-day in the reporting month. Compute to the nearest whole megawatt.

NORTH ANNA POWER STATIONi ,

UNIT NO.: -1 :I MONTH Dece E r 1997--

• SLM4ARY OF OPEPATING EXPERIENCE Page 1 of 2 l J

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, Listed below in -chronological sequence is a summary 'of- operating

-. experiences for this month which required load- reductions or- resulted in significant non-load related incidents.

Date Time: Data December 1,-1997 0000 Began month in Mode 1 at 100% Power, 947 Mwe. [

j December 5, 1997- 2303 Commence r'.tp down for Turbine Valve E. a dom l Test. ,

J December 5, 1997 2357 Turbine Valve Freedom Test Complete Sat commencing ramp to 100% Power from 91% Power.

December 6, 1997 0045 Ended the month in Mode 1 at 100% Power, L 945 Mwe.

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, 2 emf 1T SBUTDOINS AIS N ItMDUCTI(MIS .

DOCKET No.: 50-338 UNIT Miws: FA-1 '

mTE: Jan: 5, 1998 -

REvoRT MONTH: DECEMBER 1997 contacts w. R. Matthews PHONE: ($40) 894-2101 ,

1 2 3 4 5 No. Date Type Duration Reason Method of Licensee System Compment Cause & Corrective (hrs) Shutting Event Code Code Action to ,

Down Reactor Report f Prevent Recurrence

• No entries this amonth.

in Type 2: Reason 3: Method 4

• thForced A= Equipment Failure (explain) 1-Manual Exhibit F - Instructions 8-Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C-Refueling 3= Automatic Scram Entry Sheets for Licensee, D= Regulatory Restriction 4=Continisations Event Report (LER) File E= operator Training & License Examination 5= lead Reduction (NUREG-01611 F=Adminiatrative 9-Other

• G= Operational Error 5:

H=Other (explain)

Exhibit H = Same Source 1

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OPERATING DATA REPORT. i toCrt f N:). i 50 H9

. . DATE: January 1, 1995 CONTACTt W. R. Matthews PHONEt (540) 894 2101 OPEPATING STATUS 1, thal t Namei . North Anna 2

2. Deportir4; Fariodi, , , December

3. Licensed Therml Tower (MWti t. . 2,893

4. Nameplate Rating (Oroes $1els. 979

-1, Design Electrical Rating (Not HWelt, , , , 907

6. Maximum Dependable capacity (Gross MWelt. 944 7 Maximusi Dependatie capacity (Net MWels., 897 4, it changes occur to Capa'ity Ratinge (1tems 3 thru 7) since last report, give reasons: N/A

9. Power level to which restrictad, if any (Net MWel N/A

10. Reasvns for teatrictiona, /s N/A This Month Y t-D Cumulative 11, Hours in Reporting Period. 744.0 8,760.0 149,448 0 Number of Hours Reactor was Critical, 744,0 4,760.0 125,715.2

12. ,,

13. Reactor Reserve Shutdown Hours. . 22.0 22.0 1,184.2

14. Uours Generator on.t.ine. . 722.0 8,738.0 124,522.2 15, Unit Rese;ve Shutdown Hours. 0.0 0.0 0.0

16. Gross The mal Energy Generated (MWH) . 2,030,558.8 25,21b262,0 340,793.160.0

17. Gross Electrical Energy Generated fMWH), 659,739,0 8,233,279.0 111,502,514.0

- 18. Het Electrieel Rnergy Oenerated (MWHl. . 427,376.0 7,834,786.0 106,527,968,0

19. Unit Service Factor. . . 97.0% 99.7% 63.3%

20. Unit Avstlability Factor. . . . . 97.0% 99.7% B3.3%

21. Unit Capacity Facter f using MDC Net) . 94.0% 99.7% 79.3%

22. Unit Capacity Factor (using DER Net) . 93.0% 94.6% 78,6%

- 2L Forced Outage Rate. ,

3,0% 0.3% 5.1%

24. - Shutdowns scheduled Over Next 6 Months (Type. Date, Duration of Each}i Refuelina. April 5 1998 for 35 days

25. If Shutdown at end of Report Pernod, estimat ed time of Startupi N /A 26, twita in Test. Status 1 prior to Commercial Operation):

o Forecast Achieved INITIA1. CRITICA1.!TY -

INITIAL ELECTRICITY COMMERCIAL OPERATION _

7.-

AVERAGE DAILY UNIT PCMER LEVEL  !

Docket No. :' 50-339 -

. Unit: NA-2 Date:' January 5, 1998  ;

Contact:

W. R. Matthews Phone:' (540)- 894-2101 {

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HONTH December 1997 s

-DAY- AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net)-

1- 901 17 ~

900 2 902 18 900' 3 902 19 901 4 902 20 902 900 5 902 21 6 901 22 62 7 902 23 300 8- 902 24 569 9 902 25 899 10 900 26 899 ,

.11 898 27 899 12 901 28 899 _

13 900 29 898 14- 900 30 898

. 15 900 31 898 16 900-Instructions:.

On this format, list the average daily unit power level in MWe-

. Net for each day _ in_ the- reporting month.

Compute to the nearest

-whole megawatt.

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. NORTH ANNA POWER STATIOtf +

UNIT NO.:'2 '

MONTH: December 1997

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SUt4%RY OF OPERATING EXPERIENCE -

-Page 1-of 1 Listed below in chronological sequence is a summary of operating experiences for ,this month which required load reductions or resulted - in significant non-load related incidents.

Date Time Data December 1, 1997 0000 Began the month in Mode 1 100% Power, 940 Mwe.

December 21,~1997 2328 Cotamenced ramping unit off-line due to EHC

leak.

U December 22, 1997 0352 Removed from grid and secured Unit 2 main generator. Unit stable at 12% Power.

-December 23, 1997 0150 Repairs complete. Synchronizeded the generator on line.

December 23, 1997 0300 Holding power at 30% Power, 261 Mwe to initiate warmup of MSR'S and to replace Delta T control card in protection cabinet.

December 23, 1997 0447 Resumed ramp from 30%, 260 Mwe.

December.23, 1997 0500 Holding ramp at 36%, 300 Mwe while continuing to place MSR'S in service.

December 23, 1997 0552 Recommenced ramp from 36%, 300 Mwe.

December.' 23,-1997 0715 Holding reactor power at 47%-by calorimetric due to CPTR of 1.03.

December 24,.1997- 1145 2-PT-23 (OPTR) completed sat, 1.015 commencing rampup.

--December 24,-1997- 2232 Stabilized unit at 100% Power, 940 Mwe..

December;31, 1997 2400 Ended-the month in mode 1 100% Power 940 Mwe.

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DOCKET NO.s 50-339 tJNIT MNE: MA-2 DnTE: :Jan: 5, 1998 -

REPORT MONTH: DECEM2ER 1997 contact: w. R. natthews PHONE: (.9 40) 894-2101 1 2 3 ~4 5 No. Date Type Duration Reason Method of Licensee System Component thra) Cause & Corrective Shutting Event Code Code Action to Down R. actor R. port a prevent Recurrence 97-2 971222 F 22. HOURS A NA NA liA NA NA RAMPED UNIT DOWN TO APPROXIMATELY 10% POWER, TRIPPED THE' TURBINE TO REPAlR LEAK ON EHC SYSTEM. REACTOR REMAINED AT APPROXIMATELY 10% POWER.

- la Type 2: Reason 3: Method 4: ,

NForced A= Equipment Failure (expla!nl 1= Manual Exhibit r - Inst uctions

, S= Scheduled I>' Maintenance or Test 2= Manual scram for properation of Data -

CwRefueling 3= Automatic Scram Entry Sheets for Licensee D-Regulatory Restriction 4= Continuations Event Report (LER) File E=0perator Training & License Examination 5=Imad Reduction (NUREG-0161)

FAdminiatrative 9=other

• G=0perational Error 5:

H=0ther (explain)

Exhibit H - Some Source t

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