ML19351A651

Monthly Operating Repts for Nov 1989 for North Anna Power Station,Units 1 & 2.W/891214 Ltr

ML19351A651
Person / Time
Site:	North Anna
Issue date:	11/30/1989
From:	Stewart W, Tillack B VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
89-847, NUDOCS 8912200238
Download: ML19351A651 (13)

Text

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Y1RGINIA EttcTunc AND Pows:n COMPANY RICHMOND, VIRGINIA 23261 December 14, 1989 U. S. Nuclear Regulatory Commission Serial No. 89 847 Attention: Document Control Desk NO/JMJ:jmj 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 MONTHLY OPERATING REPORT Enclosed is the Monthly Operating Report for North Anna Power Station Units 1 and 2 for the month of November 1989.

Very truly yours,

(

W. L. Stewart Senior Vice President - Nuclear Enclosures cc: U.S. Nuclear Regulatory Commission 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Mr. J. L. Caldwell l

NRC Senior Resident inspector North Anna Power Station {

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VIRGINIA POWER COMPANY 1

NORTH ANNA POWER STATION ,

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.Molmit.Y OPERATINC REPORT ,

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1989 MONTH NOVEMBER TEAR

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OPERATING DATA REPORT DOCKET No. 50-338

_ DATE 12-06-89 COMPLETED BY Bob T111ack  ;

F TELEPHONE (703) 894-5151 X2632 V i J, OPERATING STATUS  ;

, 1. Unit Namet North Anna 1 -

L 2. Reporting Period NOVEMBER 1989 h L3. Licensed Thermal Power (MWt): 2893 C 4.- Nameplate Rating (Gross MWe): 947  :

[ L5. ' Design Electrical Rating (Net MWe): '

907 _

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6. Maximum Dependable Capacity (Gross LA'e): 963 ,

, 7. ' Maximum Dependable Capacity (Net MWe): 915 f 18.' .If Changes occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report',

Cive Reasonst N/A 9.- Power Level To Which Restricted. If Any (Net MWe): N/A ,

.10. Reasons For Restrictions, If Any N/A _

t This Month Yr.-to-Date- Cumulative 'i

11. .!!ours_In Reporting Period ,

720 8,016 100,308 12.' Number of Ilours Reactor k'as Critical 720 4,639.4 .

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70,858.8

13. Reactor Reserve Shutdown Hours 0 94.8 6.552.1  !

'14. Hours Generator On-Line 720 4,601.8 68,116.3

15. '. Unit Reserve Shutdown llours 0 0 __ 0 216 Gross Thermal Energy Generated (MWU) 2,064,616 12,720,657 180,880,650

17. Cross Electrical Energy., Generated (MWH) 681,200 4,200,161 59,374,510-18 '. Net Electrical Energy Generated (MWH) 648,771 3,987 787 56,179,679

-19. Unit Service Factor 100 57.4 67.9 20.' Unit Availability Factor 100 57.4 67.9

.21. Unit Capacity Factor'(Using MDC Net) 98.5 54.4 62.7

.22. Unit Capacity Factor (Using DER Net) 99.4 54.8 61.8 r l =23. Unit-Forced Outage Rate 0 _

3.8 14.0

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

l Maintenance / Snubbers, 02-29-90, 25 Days

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25.' If Shut Down At End Of Report Period, Estimated Date of Startup:

26. ' Units In Test Status (Prior to Commercial Operation): '

Forecast Achieved INITIAL CRITICALITY ~

INITIAL ELECTRICITY COMMERCIAL OPERATION I

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.- i AVERACE DAILY UNIT POWER LEVEL i

DOCKET NO. 50-338 UNIT NA-1 DATE 12-06-89 COMPLETED BY Bob Tillack i TELEPl!ONE 703-894-5151X2632 HONTil November 1989 e DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 910 17 911 ,

2 910 18 911 3 911 19 911 4 911 20 904 5 911 21 893 6 911 22 888 i 7 911 23 889 6 911 24 889 9 911 25 890 10 911 26 891 11 892 27 889 _

12 911 28 890 13 855 _

29 890 14 910 30 888 -

15 911 31 16 912 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.

UNIT SHUTDOWRS AND POIER REDUCTIONS DOCKEY RO. 50-338 UTIT NAME North Anna 1 DATE 12-06-89 REPORT MON 111 NOVEMBER 1989 COMPLETED BT Bob T111ack TELEPHONE (703) 894-5151 12632 1 2 No. Date Type Duration Reason- Method of Licensee System Component Cause and Corrective (Hours) Shutting Emt M Ne * **

3 4 5 Down Reactor Report i Prevent Recurrence NO ENTRY THIS MONTH 1 2 3 4 F: Forced Reason: Method: Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram. Entry Sheets for Licensee C-Refueling 3-Automatic Scran Event Report (LER) File D-Regulatory Restriction 4-Continuations (NUREG-Ol61)

E-Operator Training / License Examination 5-Load Reduction F-Administrative 9-Other G-Operational Error (Explain) 5 H-Other (Explain) Exhibit H - Same Source O

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Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS EIPIANATION SHEET DOCKET NO. _ , 50-338 REPORT MONTH NOVEMBER UNIT NAME NA-1 YEAR 1989 DATE _ 12-06-89 COMPl.ETED BY Bob Tillack NO ENTRY THIS MONTl!

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NORTil ANNA POWER STATION UNIT NO. 1 M0lmi NOVEMBER

SUMMARY

OF OPERATING EKPERIENCE 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 November 1, 1989 0000 Began the month with Unit at 960 MW - 100%

power.

November 11, 1989 0244 #4 Covernor Valve cyc1fng.

0312 Commencing rampdown to shut #4 Governor Valve.

0402 #4 Goveinor Valve shut. Secured ramp at 91%

, power, 874 MW.

0622 Replaced f4 Governor M000 valve, commencing ramp up to 100% power, 960 MW. ,

0715 Unit stabilized at 100% power, 960 MW.

1113 #4 Covernor Valve cyc1dng 1130 Ramping down to close f4 Governor Valve.

1230 #4 Covernor Valve closed, unit stabilized at 89% power, 854 MW.

1345 Instrument Department tightened screws on #4 Governor Valve LVDT. Commencing rampup to 100%, 960 MW.

1449 Unit stabilized at 100% power, 960 MW.

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• a November'13, 1989 =0916: Commencing ~rampdown to 90% power, 860 MW-due to low EHC pressure (1730 psig).

1005 Unit stabilized at 91%: power, 879 MW.

Commenced testing / trouble shooting EHC

-system and Covernor Valves.

nL 1455 Completed Turbine Valve Freedom Test satisfactory.

2147: Commenced rampup to'100% power, 960 MW.

'2400 Unit stabilized at 99.5% power. 953 MW.

November 20. 1989 0910- Commenced Tave reduction IAW Design Change 89-15-3.

1928- .Tave at 580.8'F, Rx power 98.7% 937 MW, pending safety analysis review of Tavg.

Maintaining f4 Governor Valve at 32% on valve limiter.

November. 31, 1989 0257 f4 Governor Valve came wide open, electrical:

, load increased 15 MW, EHC System indicated

1. 4 Governor Velve on the limiter, lowered limiter until #4 Governor Valve at 30%. Rx power stabilized 98%, 934 MW.

2400 Ended month with Unit at 98%' power, 935 MW.

Continuing to investigate and troubleshoot EHC System.

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OPERATING DATA REPORT DOCKET NO. 50-339 DATE 12-06-89 COMPLETED BY Bob Tillack TELEP110NE (703) 894-5151 X2632 OPERATING STATUS

1. Unit Name North Anna 2 Reporting Period:

2, NOVEMBER 1989

3. Licensed Thermal Power (MWt): 2893 4 Nameplate Rating (Gross MWe): 947

5. Design Electrical Rating (Net MWe): 907

6. Maximum Dependable Capacity (Gross MWe): 963

7. Maximum Dependable Capacity (Net MWe): 915 8, If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons:

N/A 9, Power Level To Which Restricted, If Any (Net MWe): N/A 10.. Reasons For Restrictions If Any: N/A This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 720 ~~

8016 78,576 12.' Number of Ilours Ronctor Was Critical 720 6174.9 63,378.1

13. Ecuctor Reserve Shutdown Hours 0 152.8 5,854.9

14. Hours Cencrator On-Line 720 6143.7 62,507.9

15. Unit Reserve Shutdown 11ours 0 0 0

16. Gross Thermal Energy Generated (MWH) 2,081.696 16,653,235'~~ 165,994.234 17, Gross Electrical Energy Generated (MWil) 687.140 5,503.922 54,295.551

18. Net Electrical Energy Cencrated (MWil) 654,679 5,220.169 52,162.492

19. Unit Service factor 100 ~

76.6 79.6

20. Unit Availability Tactor 100 76.6 79.6 21; Unit Capacity Tactor (Using MDC Net) 99.4 71.2 74.0

22. Unit Capacity Factor (Using DER Net) 100.3 71.8 73.2

-23. Unit Forced Outage Rate 0 0 7.2

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

25. If Shut Down At End Of Report Period Estimated Date of Startup:

26. Units In Test Status (Prior to Commercial Operation):

Forecast Achieved 1NITIAL CKlTICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

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AVERAGE DAILY UNIT POWER LEVEL DOCKET No. 50-339 UNIT NA-2 DATE 12-06-89 COMPLETED BY Bob Tillack TELEP110NE 703-894-5151X2632 MONTH NOVEMBER 1989 DAY AVERAGE DAILY POWER LEVEL DAY AVERAG' f '1LY POWER LEVEL (MWe-Net) n'e-Ne t )

1 909 17 893 2 907 18 911 3 896 19 911 4 909 20 911 5 909- 21 912 6 _ _

909 22 911 7: 909 23 911 8 909 24 911 _

9 908 25 911 10 910 26 912 11 911 27 911 12 911 28 911 13 911 29 912 14 910 30 911 15 910 31 16 910

' i INSTRUCTIONS On this format, list the average daily unit power IcVel in MWe-Net for each dey in the reporting month. Compute to the nearest whole megawatt.

UNIT SRUTDOWNS AND PUWER REDUCTIONS DOMET NO. 50-339 UNIT NAME North Anne 2 DATE 12-06-89 REPORT MONTH NOVEMBER 1989 COMPLETED BT Beh 7111acit TELEPHONE (703) 894-515I K2632 No. Date Type Duration Reason Method of Licensee Systen Component Cause and Corrective (Hours) Shutting Emt M  % #**I** **

3 4 5 Down Reactor Report i Prevent Recurrence NO ENTRY THIS MONTH I 2 3 4 F: Forced Reason: Method: Exhibit F - Instructions S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scran. Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Continuations (NUREG-0161)

E-Operator Training / License Examination 5-Load Reduction F-Administrative 9-Other G-Operational Error (Explain) 5 H-Other (Explain) Exhibit H - Same Source O

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t Page 1 of 1 IINIT SNUTDOWN AND POWER REDUCTIONS EXPLAMATION SHEET DOCKET No. 50-339 REPORT MONTH NOVEMBER UNIT MAME NA-2 YEAR 1989 DATE 12-06-89 COMP 1.ETED BY Bob Tillack NO ENTRY TilIS MONTil

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NORTH ANNA POWER STATION P

h UNIT NO. 2 MONTH NOVENBER i

SUMMARY

OF OPERATING EXPERIENCE Listed below in chronological sequence in a summary of operating experiences for this month which required load reductions or resulted in '

significant non-load related incidento.

DATE TIME DATA November 1, 1969 0000 Began Month with Unit at 952 MW - 100%

power.

November 2, 1989 0118 Secured liigh Pressure lleater. Drain pump 1A for maintenance on associated IIP lleater ^

Drain Tank, Unit lost 15 MW.

November 3, 1989 1509 Maintenance complete started llP lleater Drain pump 1A. Unit regained 15 MW.

November 17, 1989 1137 Cotimence rampdown to 860 MW, 90% power for Turbine Valve Freedom Test.

1222 Unit stabilized at 89% power, 857 MW.

1330 Completed Turbine Valve Freedom Test satisfactorily.

1441 Commence rampup to 100% power.

1730 Unit stable at 100% power, 953 MW.

November 30, 1989 7400 Ended month with unit at 100% power, 950 MW.