ML20117E750

Monthly Operating Rept for Apr 1996 for North Anna Power Station Units 1 & 2

ML20117E750
Person / Time
Site:	North Anna
Issue date:	04/30/1996
From:	Bowling M, Matthew W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
96-247, NUDOCS 9605160347
Download: ML20117E750 (12)

Text

1 VIHOINIA ELECTHIC Ah'D PowEH COMPANY j

llICIIM ONu, V HOINIA 20261 May 13, 1996 United States Nuclear Regulatory Commission Serial No.96-247 j

Attention: Document Control Desk NLOS/RPC 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 UNITS 1 AND 2 M_ONTHLY OPERATING REPORT Enclosed is the April 1996 Monthly Operating Report for North Anna Power Station Units 1 and 2.

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Very truly yours, M. L. Bowling, M nager Nuclear Licensing and Operations Support Enclosure cc:

U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street, NW Suite 2900 Atlanta, Georgia 30323 Mr. R. D. McWhorter NRC Senior Resident inspector North Anna Power Station 9605160347 960430 PDR ADOCK 0500033G

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R PDR 1000:19

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i VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT i

MONTH:

April YEAR:

1996 l

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Approved:

Station Manager

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OPERATING DATA REPORT l

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l DOCKET No.:

50-338 DATE: May 5, 1996 j

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

OPERATING STATUS i

1.

Unit Names................................ North Anna 1 2.

Reporting Periods......................... April'1996 l

3.

Licensed Thermal Power (MWt).............

2,893 l

4.

Nameplate Rating (Gross MWe)2.............

994 5.

Dssign Electrical Rating (Net MWe):.......

907 l

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Maximum Dependable capacity (Gross MWe):..

940

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'7.

M ximum Dependable Capacity (Net MWe)....

893 l

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8..If changes occur in Capacity Ratings (Items No. 3 thru 7) since last report, give reasons:

N/A l

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9. ' Power level to which restricted, if any (Net MWe):

N/A

10. Ra: cons for restrictions, if any:

N/A L

b This Month Y t-D Cumulative i

11. Hours in Reporting Period.................................

719.0 2,903.0 156,539.0 l - 12. N aber of Hours Reactor was critical......................

719.0 2,202.5 119,388.9

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13. Ratetor Reserve Shutdown Hours............................

0.0 43.0 6,994.4 t

14. Hours Generator 0n-Line...................................

719.0 2,174.7 116,362.2

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

0.0 0.0 0.0

16. Grois Thermal Energy Generated (MWH)...................... 2,079,624.4 5,520,280.5 310,834,017.6

17. Grors Electrical Energy Generated (MWH)...................

685,111.0 1,815,212.0 139,145,825.0

18. nit Electrical Energy Generated (MWH).....................

652,522.0 1,719,383.0 96,760,537.0

19. Unit Service Factor.......................................

100.0%

74.9%

74.3%

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20. Unit Availability Factor..................................

100.0%

74.9%

74.3%

21. Unit Capacity Factor (using MDC Net)......................

101.6%

66.3%

69.2%

22. Unit Capacity Factor (using DER Net)......................

100.1%

65.3%

68.2%

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23. Forced Outage Rate........................................

0.0%

0.0%

9.2%

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

N/A

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

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY 4

COMMERCIAL OPERATION 4

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1 AVERAGE DAILY UNIT POWER LEVEL Docket No.:

50-338-Unit:

NA-1 Date:

May 5.

1996 Contact W. R. Matthews i

Phone (540) 894-2101 MONTH: April 1996 1

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

LEVEL (MWe-Ne t) 1 909 17 909 2

908 18 909 3

909 19 908 4

908 20 908 5

909 21 908 6

909 22 908 7

909 23 908 8

909 24 908 9

905 25 906 10 906 26 906 11 909 27 907 12 909 28 907 13 906 29 907 14 909 30 906 15 904 16 906 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 STATION UNIT NO.:

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MONTH:

April l

SUMMARY

_OF__ OP_BRATING_EXP ERIENCE Page 1 of 1 Listed below in chronological sequence is a summary of. operating l

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

Es_t_t Time Rmta April 01, 1996 0000 Began month with unit at 100% power, 954 MWe.

April 13, 1996 1129 Commenced ramp down from 100% power, 956 MWe for l

Turbine Valve Freedom Test (TVFT).

1212 Unit stable at 91.4% power, 883 MWe.

1240 Commenced ramp from 91.4% power to 100% power after completion of TVFT.

1510 Unit stable at 100% power, 956 MWe.

April 30, 1996 2400 Ended month with unit stable at 100% power, 952 MWe.

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UNIT SHUTDOWN AND POWER REDUCTIONS i

Explanation Sheet Docket No.:

50-338 Report Month April Unit Name:

NA-1 1

i Year 1996 Date: May 5, 1996

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Contact:

W.

R. Matthews i

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• No Entries This Month.

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i UNIT SHUTDOrt3S AND POWER REDUCTIONS

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DOCKET NO.:

50-338 UNIT NAME:

NA-1 DATE: May 5, 1996 REPORT MONTH: April 1996 CONTACT:

W.

R. Matthews PHONE: (540) 894-2101 1

2 3

4 5

Wo.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)

Shutting Event Code Code Action to Down Reactor Report #

Prevent Recurrence O No Entry This Month 1: Type 2: Reason 3: Method 4:

F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions S= 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= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-0161)

F= Administrative 9=Other G= Operational Error 5:

H=Other (explain)

Exhibit H - Same Source

1 OPERATING DATA REPORT 4

DOCKET NO.:

50-339 DATE: May 5, 1996 i

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CONTACT: W. R. Matthews PHONE: (540) 894-2101 i

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j OPERATING STATUS

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1.

Un i t N am s................................ N or t h Anna 2 2.

R epor t i s p Per i od s......................... Apr i l 1996 3.

Licensed Thermal Power (MWt).............

2693 4.- Nameplate Rating (Gross MWe).............

979 5.

Disign Electrical Rating (Net MWe):.......

907

6. ' MJtximum Dependable Capacity (Gross MWe):..

944 7.

MIximum Dependable Capacity (Net MWe)....

897 1

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8..If changes occur in Capacity Ratings (!tems No. 3 thru 7) since last report, give reasons:

N/A i

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9.

Power level to which restricted, if any (Net MWe): _ N/A l

10. Rrasons for restrictions, if any:

N/A l

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This Month' Y-t-D Cumulative

11. Hours i n R eport i ng Per i od.................................

719.0 2,903.0 134,807.0

12. Nunber of Hours Reactor was Cr i t i cal......................

719.0 2,903.0 112, % 0.6 l

13. R1 actor Reserve Shutdown Hours............................

0.0 0.0 6,535.0 l

.14. Hours Generator 0n-Line...................................

719.0 2,903.0 111,826.1

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

0.0 0.0 0.0 j

16. Gross Thermal Energy Generated (MWH)..................... 2,079,578.0 8,396,173.9 304,373,412.6

17. Gross E lect ri cal Energy Generated (MWH)...................

684,519.0 2,764,276.0 99,595,694.0

18. N1t Electrical Energy Generated (MWH).....................

651,925.0 2,633,336.0 95,204,975.0

19. Unit Service Factor.......................................

100.0%

100.0%

83.0%

20. Unit Availability Factor..................................

100.0%

100.0%

83.0%

21. Unit Capacity Factor (using MDC Net)......................

101.1%

101.1%

78.5%

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22. Unit Capacity Factor (using DER Net)......................

100.0%

100.0%

77.9%

23. Forced Outage Rate........................................

0.0%

0.0%

4.8%

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

N/A

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25. If Shutdown at end of Report Period, estimated time of Startup:

N/A

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

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AVERAGE DAILY UNIT POWER LEVEL t

Docket No.:

50-339 Unit:

NA-2 Date:

May 5.

1996 Contact W. R. Matthews l

Phone:

(540) 894-2101 MONTH: April 1996 I

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

LEVEL (MWe-Net) i 1

907 17 907 2

907 18 908 l

3 908 19 902 4

906 20 906 l

5 906 21 907 6

908 22 906 i

7 907 23 906 8

907 24 907 9

907 25 907 i

10 907 26 906 i

l 11 908 27 907 12 908 28 907 j

13-908 29 906 14 908 30 906 15 906 16 907 Instructions:

On this format, list the average daily unit power level in MWe-i Net for each day in the reporting month.

Compute to the nearest whole megawatt.

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NORTH ANNA POWER STATION UNIT NO.:-

2 MONTH:

Acril l

SUMMARY

OF OPERATING EXPERIENCE 1

Page 1 of 1 Listed below in chronological sequence is a

summary of op'erating experiences for this month which required load reductions or resulted in significant non-load related incidents.

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Date Time Data l

April 01, 1996 0000 Began month with unit stable at 100% power, 954 MWe.

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April 19, 1996 0921 Commenced unit ramp down for Turbine Valve Freedom Test (TVFT).

Unit at 100% power, 952 MWe.

1035 Unit stabilized at 90% power, 876 MWe.

l 1112 Completed TVFT.

Commenced ramp to 100% power.

l Unit at 90% power, 876 MWe.

1140 Unit stable at 100% power, 952 MWe.

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April 30, 1996 2400 Ended month with Unit stable at 100% power, 951 Mwe.

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9 Page 1

of __1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet l

Docket No.:

50-339 Report Month April Unit Name:

NA-2 Year:

1996 Date: May 5, 1996 l

Contact:

W.

R.

Matthews l

• No entries this month.

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DOCKET NO.:

50-339 UNIT NAME:

NA-2 DATE: May 5, 1996 REPORT MONTH: April 1996 CONTACT: W.

R.

Matthews PHONE: (540) 894-2101 1

2 3

4 5

No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)

Shutting Event Code Code Action to Down Reactor Report #

Prevent Recurrence

• No Entries This Month 1: Type 2: Reason 3: Method 4:

F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions S= 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= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-0161)

F= Administrative 9=Other G= Operational Error 5:

H=Other (explain)

Exhibit H - Same Source

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