ML20039G109

Monthly Operating Rept for Sept 1981

ML20039G109
Person / Time
Site:	North Anna
Issue date:	10/05/1981
From:	Rogers L VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML20039G106	List: ML20039G105 ML20039G109
References
NUDOCS 8201150291
Download: ML20039G109 (9)

Text

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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH SEPTEMBER YEAR 1981 4

APPROVED:

G STATION MANAGER. [J 8201150291 811015 PDRADOCKOS000g ,

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OPERATING DATA REPORT DOCKET NO. 50-338 DATE 10-05-81 COMPLETED BY L.L. Rogers TELEPHONE (703) 894-5151 X2510 OPERATING STATUS Notes

1. Unit Name: North Anna 1

2. Reporting Period: September 1981

3. Licensed Thermal Power (MWt): 2775

4. Nameplate Rating (Gross MWe): 947

5. Design Electrical Rating (Net MWe): 907

6. Maximum Dependable Capacity (Gross MWe): 915

7. Maximum Dependable Capacity (Net MWe): 865

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 6,551 29,112

12. Number of Hours Reactor Was Critical 720 4,243.8 22,216.9

13. Reactor Reserve Shutdown Hours 0 13.8 226.9

14. Hours Generator On-Line 720 4,124.8 21,772.9

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (53) 1,929,551 10,897,224 56,065,927

17. Gross Electrical Energy Generated (%H) 620,516 3,540,720 17,875,632

18. Net Electrical Energy Generated (GM) 586,022 3,341,231 16,826,234

19. Unit Service Factor 100 62.9 74.&

20. Unit Availability Factor 100 62.9 74.8

21. Unit Capacity Factor (Using MDC Net) 94.1 58.9 66.8

22. Unit Capacity Factor (Using DER Net) 89.7 56.2 63.7

23. Unit Forced Outage Rate 0 1.3 5.1

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

Fall Maintenance 05-81 thru 10-23-81

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

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 1

AVERAGE DAILY UNIT P0k'ER LE\TL DOCKET NO. 50-338 l

UNIT NA-1 DATE 10-05-81 COMPLETED BY L.L. Rogers TELEPHONE 703-894-5151X2511 MONTH September DAY AVERAGE DAILY POWER LEVEL DAY ' AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-b:t) 1 840 17 843  ;

! 1 2 843 18 839 3 841 19 835 4 839 20 841 5 041 21 845 6 838 22 844 7 842 23 846 8 706 24 846 9 592 25 780' ,

l 10 717 26 562 11 841 27 821

[

12 845 28 851 13 843 29 852 14 844 30 852 l 15 842 31

(-

l 16 844

l. 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. -

4 i

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-338 i

UNIT NAME North Anna 1 i DATE 10-05-81 I REPORT MONTH SEPTEMBER COMPLETED BY L. L. ROGERS

{ TELEPHONE (703) 894-5151 X2510 l

No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours) Shutting Event Code Code ^*'I "

3 4 5 Down Reactor Report # Prevent Recurrence i

81-14 810908 F N/A D 5 LER-81-73 SF ACCUMU Reduced load to 30% due to "B" accumulator out of .

i specification.

81-15 810925 S N/A B 5 N/A N/A N/A Reduced load to 30% for

{ containment entry to improve "B" RCP 4

ventilation.

s 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 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)

H-Other (Explain) Exhibit 4 - Same Source 9

1 i

OPERATING DATA REPORT DOCKET NO. 50-339 DATE 10-05-81 COMPLETED BY L.L. Rogers .

L TELEPHONE (703) 894-2151 X2510 OPERATING STATUS Notes

1. Unit Name: North Anna 2

2. Reporting Period: September 1981 ,

, 3. Licensed Thermal Power (MWt): 2775

4. Nameplate Rating (Gross MWe): 947 __

'5. Design Electrical Rating (Eet MWe): __

907

6. Maximum Dependable Capacit: (Gross MWe): 938

7. Maximum Dependable Capaci' y (Net MWe): 890

8. If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasonsa 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 6,551 6,983

12. Number of Hours Reactor Was Critical 670.2 4,791.1 5,220

13. Reactor Reserve Shutdown Hours 0 1,341.4 1,621.4

14. Hours Generator On-Line 666.1 4,649.1 5,061.8

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 1,802,899 11,904,002 12,990,999

17. Gross Electrical Energy Generated (MWH) 608,189 4,009,928 4,378,359

18. Net Electrical Energy Generated (MWH) 576,864 3,791,660 4,141,304

19. Unit Service Factor 92.5 70.9 72.9 l

20. Unit Availability Factor 92.5 70.9 72.5

21. Unit Capacity Factor (Using MDC Net) 90.0 65.0 66.6

22. Unit Capacity Factor (Using DER Net) 88.3 63.8 65.4

23. Unit Forced Outage Rate 7.5 25.6 24.2

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

Refueling Outage 05-82 thru 05-14-82

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

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 4

-,w--Y- ,..ms ..- . r,.m-, .y, , - -, ...vr-,.~ , ,.-,,,.a ~--,,.---c , - - _ _ _ - ..-

l

, AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-339

-UNIT NA-2 DA1E 10-05-81 COMPLETED BY L.L. Rogers TELEPHONE 703-894-5151X251t MONTH September DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (We-Net) 1 884 17 731 2 887 18 0 3 885 19 0 .

4 884 20 579

' 5 868 21 881 6 885 22 860 7 887 23 874 8 874 24 877 9 874 25 880 10 882 26 875 11 876 27 863 4

12 882 28 868 13 '856 29 882 14 855 30 886 15 833 31 16 866 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.

s

Page 1 of 3 UNIT SIIUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-339 UNIT NAME North Anna 2 DATE 10-05-81 REFORT MONTil SEPTEMBER COMPLETED BY L. L. ROGERS TELEPHONE (703) 894-5151 X2510 2

No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (llours) Shutting """ Code AC "

Down Reactor 3 Report #

• 4 5 Prevent Recurrence 81-25 810903 F N/A F 5 N/A N/A N/A Reduced load to 95% due to "B" Transformer hi temperature alarm.

81-26 810908 S N/A B 5 N/A N/A N/A Ramped down to 80% for Westing-house to investigate turbine bearing vibration problem.

i 81-27 810911 F N/A F 5 N/A N/A N/A Reduced load to 93% due to "B" Transformer hi temperature alarm.

81-28 810912 F N/A F 5 N/A N/A N/A Reduced load to 95% due to "B" Transformer hi temperature alarm.

81-29 810913 F N/A F 5 N/A N/A N/A Reduced load to 94% due to "B" Transformer hi temperature alarm.

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 Scram. 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 5 G-Operational Error (Explain)

Il-Other (Explain) , Exhibit 11 - Same Source

I .

Page 2 of 3 l

I UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-339 UNIT NAME North Anna 2 DATE 10-05-81 REPORT MONTil SEPTEMBER COMPLETED BY i,. L. ROGERS TELEPil0NE (703) 894-5151 X2510 l 2 No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours) Shutting Event Code Code Action to 3 4 5 l Down Reactor Report # Prevent Recurrence i

di-30 810914 F N/A F 5 N/A N/A N/A Reduced load to 88% due to "B" Transformer hi temperature alarm.

! 81-31 810914 F N/A F 5 N/A N/A N/A Reduced load to 89% due to "B" ,

Transformer hi temperature alarm.

l' 81-32 810915 F N/A F 5 N/A N/A N/A Reduced load to 90% due to "B" Transformer hi temperature alarm.

81-33 810917 F N/A H 5 N/A N/A N/A Reduced load per System Operator for load

following to 85%.

?

, 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 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)

H-Other (Explain) Exhibit II - Same Source

Page 3 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-339 j

UNIT NAME North Anna 2 DATE 10-05-81 REPORT HONTH SEPTEMBER COMPLETED BY L. L. ROGERS TELEPHONE (703) 894-5151 X2510 l 2 No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours) Shutting Event Code Code ^"'I "

3 4 5 Down Reactor Report # Prevent Recurrence 81-34 810917 F 53.9 A 2 LER-81-66 SF ACCUMU Ramped unit off lire due to "C" accumulator out of specification.

Reactor trip due to "B" steam generator hi/hi level while attempting to return unit to service.

81-35 810922 F N/A F 5 N/A N/A N/A Reduced load to 93% due to "B" Transformer hi temperature alarm.

81-36 810927 F N/A F 5 N/A N/A N/A Reduced load to 92% due to "B" Transformer hi temperature alarm.

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 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)

H-Other (Explain) Exhibit H - Same Source

Page 1 of 1 UNIT. SHUTDOWN AND POWER REDUCTIONS i

LXPLANATION S' FEET DOCKET NO. 339 REPORT HONTH SEPTEMBER UNIT NAME NA-2 YEAR 1981 DATE 10-05-81 COMPLETED BY L. L.-ROGERS 81-33. (H) (5) Reduced load per System Operator to accciodate system load demand.

81-34 (A) (2) Ramped unit off line due to "C" accumulator out of specification, > 2100 ppm boron. Reactor trip due to "B" steam generator hi/hi level due.to excessive leakage through the "B" main feedwater reg valve.

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