ML20141E268

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

ML20141E268
Person / Time
Site:	North Anna
Issue date:	04/30/1997
From:	Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
97-288A, NUDOCS 9705200385
Download: ML20141E268 (12)

Text

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VinorNIA Er.ucrurc AND Powna COMPANY Rrcr:Monn,VraorstA 20261 May 12,1997 United States Nuclear Regulatory Commission Serial No. 97-288A Attention: Document Control Desk NAPS /JHL Washington, D. C. 20555 Docket Nos. 50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:

YlRGINIA ELECTRIC AND POWER COMPANY NORTli ANNA POWER STATION UNIT NOS.1 AND 2 MONTHLY OPERATING REPORT The April 1997 Monthly Operating Report for North Anna Power Station Unit 1 and 2 is

being re-submitted due to an error in the " Hours in Reporting Period." Daylight Savings

, Time caused the hours to decrease by one.

Very truly yours, GBW &

W. R. Matthews Station Manager 7/ \

Enclosure  ;@

cc: . U. S. Nuclear Regulatory Commission g Region 11 l Atlanta Federal Center  !

61 Forsyth St., SW, Suite 23T85.

Atlanta, Georgia 30303 NRC Senior Resident inspector c na Power Station

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9705200385 970430 c-sppsMH5 PDR ADOCK 0500o338:

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, OPERATING DATA REPORT a.cxrt No.: 50-33s DATE: May 5, 1997 CONTACTS W. R. Matthews PHONE: (540) 094-2101 OPERATING STA1V$

1. Unit Namet................................ North Arina 1

8. Reporting Period (..... ..................... April 1991 3, Licensed Thermal Power (Wtis............. 2,093

4. Nameplate Rating (Gross MWe) .. .. ........ 994

$. Design tiect rical Rating (Not FMe) t . . . . . . . . . . . 907 6 .. Maximum Dependable Capacity (Gross PNeln.... 940

1. Maaimum Dependable Capaci ty (Net FMe) s . . . . . . . . $?3

9. If changes occur to Capacity Ratings (Items 3 thru 7) since last report, give reasons: N/A

9. Powes level to which restricted, if any (Wet MWe): N/A~

10. Reasons for restrictions, if any: N/A This Month Y-t-D Cumulative

11. Hours in Raporting Period......... .... . . .......... 119.0 2,879.0 165,299.0

12. Number of Houta Reactor was Critical............ .. . ... . . 119.0 2,079.0 128,096.2

13. Reactor Reserve Shutdown Hours. ... ... ..... ........... . 0.0 0.0 7,046.0

14. Hours Generator On-Line...... .. ... . .... .,....., ... .... 719.0 2,879.0 125,052.8

15. Unit Reserve Shutdown Hours................... .. ........ 0.0 0.0 0.0

16. Gross thernial Energy Generated (MWH) . ..... ........ ........ 2,079,201.4 0,325,771.9 335,906,308.5

11. Gross Electrical Energy Generated tMWH) .. .. . ........ ...... 691,702.0 2,728,067.0 147,370,153.0 lb. Met Electrical Energy Generated (>t40 . ........ .... .. .. 449,799.0 2,597,708.0 104,584,362.0

19. Uni t Service Factor. . . . . . . . . . . . . ............. ...... .. . 100.06 190.04 75.1%

20. Unit Availability Factor... ...... .. . .. ............... .. . 100.06 100.06 75.74

21. Unit capacity Factor (using M:n Net) ... . . . . . . .. . .. 101.24 101.04 10.84

22. Unit Capacity f actor (using DEA Net) ... .. .. .. . .. ..... 99.64 99.56 69.86

23. Forced Outatje Rate.. .... .. .......... . .. .. ... . . . . .. 0.04 0.04 8.64

24. Shutdowns $cheduled Over Next 6 Months (Type, Date, Duration of Each) $cheduled Refueling Outage beginning May 11, 1997, durationa35 days.

35. If shutdown -it end of Report Period, estimated time of startups _N/A

26. Units in Test Status (Prior to Conenercial Operation)1 2 1

Forecast Achieved )

INITIAL CRITICALITY j INITIAL ELECTRICITY l ComERCIAL OPERATION

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AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 Unit: NA-1 Date: May 5, 1997

Contact:

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

MONTH: April 1997

• DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 903 17 907 2 903 18 907 3 903 19 908 4 903 20 907 5 903 21 903 6 902 22 903 7 902 23 903 8 903 24 903 9 903 25 899 10 903 26 903 11 903 27 904 12 903 28 902 13 903 29 903 14 907 30 903 15 907 16 907 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 STATION UNIT NO.: 1 MONTH: April

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SWHARY OF OPERATING EXPERIENCE Page 1 of 1 Listed below .in chronological' sequence is a summary ~ of operating experiences for this related significant non-load month which incidents. . required . load reductions or resulted in Date Time .

Data April'01, 1997 0000 Began month with unit at 100% power, 949 MWe. i

April 25,1997 0933 i Commence unit ramp down for performance of Turbine Valve Freedom Test (TVFT) from 100%

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power, 950 MWe.

i 1015 Unit stable at 91.9% power, 879 MWe.

1039 TVFT ' complete satisfactorily. Commence unit l ramp to 100% power.

'153 Unit stable at 100% power, 946 MWe.

spril 30, 1997 2400

. Ended month with tinit stable at 100% ' power, 949 MWe. .

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f. Page 1 of 1 Ut4IT SHUTDOWN AND POWER REDUCTIOt4S Explanation Sheet 4

i Docket No.: 50-338 Report Month April Unit Name: NA-1 i

Year: 1997 Date: May 5, 1997

Contact:

j W. R. Matthews No entries this month.

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UNIT SHUTDOWS AND POWER REDUCTIONS t 1-DOCKET NO.: 50-338 1

UNIT NAME:-.NA-1 DATE: May 5, 1997 REPORT MONTH: April 1997 CONTACT: W. R. Matthews l PHONE: (540) 894-2101 1 2 3 4 Nm. Date Type 5

Duration Reason Method of Licensee system component (hrs) Shutting cause & Corrective Event Code Code Action to Down Reactor Report 5 Prevent Recurrence l

• No entries this month.

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1: Type 2: Reason F= Forced 3: Method 4:

^ A= Equipment Failure (explain) 1= Manual E= Scheduled B-Maintenance or Test Exhibit F - Instructions.

C= Refueling - ' 2= Manual Scram for preparation of Data l D=Reglilatory Restriction 3= Automatic Scram Entry Sheets for Licensee 4= Continuations Event Report (LER) File E= Operator Training & License Examine. tion F= Administrative 5= Load Reduction (NUREG-0161)

G= Operational Error 9-Other H=Other (explain) 5:

Exhibit H - Same Source 4

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OPERATING DATA REPORT DOCRIT No.: 50-339 DATE May 5, 1997 CONTACT: W. R. Matthews PHONE: (540) 094-2101 OPERATING $7ATUS

1. Un i t N ame s . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . North Anna 2

2. Reportinc Periedt........................ .. April 1997

3. Licertsed Thermal Power (MWt) . . . . ........ 2,893

4. Nameplate Rating (Gross MWel s . .. . . . . . . . . . . 979

5. Design Electrical Rating (Net Muel s . . . . . . . . . . . 907

6. Hamianam Dependable Capacity (Gross MWe) ..... 944

7. Manisasa Dependable Capacity (Not MWe) s . . . . . . . . 897

8. If changes occur to Capacity Ratings (!tems 3 thru 7) since last report, give reasons: N/A

9. Fewer level to which restricted, if any (Not MWe) N/A

10. Iteasons for restrictions, if anys N/A This nmth Y-t-D Cumulative

11. Hours in Reporting Period....... . . .......... ... ........ 719.0 2,879.0 143,567.0

12. Nunt>er of Hours Reactor wa s Cri ti ca 1. . . . . . . . . . . . . . . . . . . . . . . . . . 719.4 2,879.0 119,834.2

13. Reactor Reserve shutdown Hours..... . .............. ... 0.0 0.0 7,162.2

14. Hours Generator on-Line. . .. . . . . ............................. 719.0 2,079.0 110,663.2

15. Uni t Reserve shutdown Hours . . . . . . . . . . . . . . . . . .. 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MHH).............. .. ........ 2,079,415.6 0,324,016.2 323,90 % 934.2

17. Gross Electrical Energy Generated (MHH) ... ..... ....... ...... 681,621 0 2,730,115.0 105,999,350.0

10. Net Electrical Energy Generated (MWH). ,,.... . ... .......,.... . 649,966.0 2,601,177.0 101,294,359.0

19. Unit service Factor.... ....... . .. . .. .. .. ........ ........ 100.04 100.06 82.76

20. Unit Availability Tactor. . . .. .. .. .. .. .......... . 100.0% 100.06 82.76 l

81. Unit Capacity Factor (using MDC Net).. . ....... ..... . ...... . 100.84 100.76 18.54 I

23. Unit Capacity Factor (using DER Net)................. ...... .. . 99.14 99.6% 17.8%

23. Forced outage Rate........ ... . . ......... .. ... .. .. .. 0.04 0.04 5.3%

24. Shutdowns $cheduled Over Next 6 Months (Type, Date, Duration of Each) N/A l

25. If Shutdown at end of Report Period, estimated time of Startup N/A

26. Units in Test Status (Prior to Connercial Operation):

Forecast Achieved

!NITIAL CPJTICALITY INITI AL ELECTRICITY COPNEhCIAL OPERATION

.) AVERAGE DAILY UNIT POWER LEVEL Docket No. : 50-339 Unit: NA-2 Date: May 5, 1997

Contact:

W. R. Matthews Phone: (540) 894-2101 MONTH: April 1997 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 _

903 17 907 2 902 18 907 3 902 19 908  ;

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4 901 20 908 5 902 21 904 l 6 902 22 904 1 7 902 23 903 l 8 903 24 903 l 9 904 25 903 l 10 904 26 903 i 11 899 27 903 l 12 903 28 902  !

13 904 29 903 l 14 909 30 903 l 15 908 I 16 907 '

l Instructions:

On this format, list the average daily unit power leve'l in MWe-Net for each day in the reporting month. Compute to the nearest whole megawa'.t.

, NORTH ANNA POWER STATION

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UNIT No.: 2 MONTH: April Sul4(ARY OF OPERATING EXPERIENCE Page 1 of 2 Listed below in chronological sequence is a summary of operating cxperiences for this month which required load reductions or resulted in cignificant non-load related incidents.

Date Time Data April 01, 1997 0000 Began month in Mode 1 at 100% power, 948 MWe.

April 09, 1997 0710 Received Defoaming Tank Level - High annunciator 2T-C3.

1010 Received water detection annunciator for

, 2-GM-LS-211-3. Investigation revealed oil in detector versus oil.

1118 Commenced unit ramp per step 2.3 of annunciator response 2-AR-T-B2 (Water Detector High) from 100% power, 949 MWe. Ramping at 0.3% per hour.

1144 Performing change to annunciator response for water detector high 2-AR-T-B2 in accordance 2

with Westinghouse memorandum stating that operation is allowed with limited amount of continuous oil ingress. Ramp terminated at 97.2% power, 924 MWe.

l 1156 Commenced ramp to 100% power from 97%, 920  !

, MWe.

1236 Unit stable at 100% power, 948 MWe.

April 11, 1997 1005 CoLmenced unit ramp down for Turbine Valve Freedom Test (TVFT) from 100% power, 948 MWe.

1039 Unit stable at 91% power, 875 MWe.

1121 TVFT complete satisfactorily.

1127 Commenced ramp to full power after TVFT from 4

91% power, 875 MWe.

1147 Stopped ramp at 97.5% power, 933 MWe for resolution on #4 Governor valve stroke.

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.. . , NORTH ANNA PodER STATICH 1 i

I UNIT NO.: ,.i MONTH: gril i

_StX@&RY OF OrdRATING EXPERIENCE  :

Page 2 of 2 4 Listed below in chronological sequence is a summary of operating f cxperiences for thisrelated cignificant non-load month incidents.

which required load reductions or resulted $n pat. Tim. i cata April 11,.1997 1159 Recommenced ramp to 100% power.

1210 Unit stable at 100% power, 942 MWe.

April 30, 1997 2400 i Ended month in Mode 1 at 100% power, 947 MWe.

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UNIT SHUTDORN AND POWER' REDUCTIONS  !

J' Explanation Sheet- i Docket No.: 5')-339 i Report Month April Unit Name: 'NA-2  !

Year: 1997 Date: May 5, 1997

Contact:

W. R. Matthews

• No entries this month.

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UNIT CHUTDOWS AND POWER REDUCTIONS DOCKET NO.: 50-339 UNIT NAME: NA-2 DATE: May 5, 1997 REPORT MONTH: April 1997 CONTACT: W. R. Matthews i PHONE: (540) 894-2101 1 2 3 4 5 N3. Date Type Duration Reason Method of Licensee System Component Cause & Corrective thrs) Shutting Event Code code Action to Down Reactor Report i Prevent Recurrence 1

• N o entries this month.

1; Type 2: Reason F= Forced 3: Method 4:

A= Equipment Failure (explain)- l= Manual E=5cheduled B-Maintenance or Test Exhibit F - Instructions 2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction L 4= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction F= Administrative (NUREG-0161) l 9-Other G= Operational Error 5:

j H=Other (explain)

Exhibit H - Same Source i

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