ML20032E142
| ML20032E142 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 11/05/1981 |
| From: | Rogers L VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | |
| Shared Package | |
| ML20032E138 | List: |
| References | |
| NUDOCS 8111190711 | |
| Download: ML20032E142 (25) | |
Text
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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION
' MONTHLY OPERATING REPORT MONTH OCTOBER YEAR 1981 APPROVED:
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STATION MANAGER ((
8111190711 811113 PDR ADOCK 05000338 R
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OPERATING DAih REPORT DOCKET NO.
50-338 DATE 11-05-81 COMPLETED BY L.L. Rogers TELEPHONE (703) 894-5151 X2510 OPERATING STATUS Notes 1.
Unit Name:
North Anna 1 2.
Reporting Period:
October 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):
918 7.
Maximum Dependable Capacity (Net MWe):
865 8.
If Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give Reasons:
Corrects Reevaluation of auxiliary load consumption dated May 1981 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 745 7,296 29,857 12.
Number of Hours Reactor Was Critical 147.4 4,391.2 22,364.3-13.
Reactor Reserve Shutdown Hours 0
13.8 226.9 14.
Hours Generator On-Line 147 4,271.8 21,919.9 15.
Unit Reserve Shutdown Hours 0
0
~
56,462,253 0
16.
Gross Thermal Energy Generated (MWH) 396,326 11,293,550 17.
Gross Electrical Energy Generated (MWH) 128,305 3,669,025 18,003,937 18.
Net Electrical Energy Generated (MWH) 121,407 3,462,638 16,947,641 19.
Unit Service Factor 19.7 58.5 73.4 20.
Unit Availability Factor 19.7 58.5 73.4 21.
Unit Capacity Factor (Using MDC Net) 18.8 54.9 65.6 22.
Unit Capacity Factor (Using DER Net) 18.0 52.3 62.6 23.
Unit Forced Outage Rate 0
1.2 5.1 24.
Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
None 25.
If Shut Down At End Of Report Period, Estimated Date of Startup:
November 1,1981 26.
Units In Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITICALITY INITI.iL ELECTRICITY COMMERCIAL OPERATION
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-338 UNIT NA-1 DATE 11-05-81 COMPLETED BY L.L. Rogers TELEPHONE 703-894-5151X251C MONTH October DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1 832 17 0
2 852 18 0
3 836 19 0
4 838 20 0
5 838 21 0
6 817 22 0
7 25 23 0
8 0
24 0
9 0
25 0
10 0
26 0
11 0
27 0
12 0
28 0
13 0
29 0
14 0
30 0
15 0
31 0
16 0
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 SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-338 UNIT NAME North Anna 1 DATE 11-05-81 REPORT MONTH OCTOBER COMPLETED BY L. L. ROGERS TELEPHONE (703) 894-5151 X2510 I
2 No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)
Shutting Code Action to 3
- 4 5
Down Reactor Report #
Prevent Recurrence j
81-16 811007 S
598 B
1 N/A N/A N/A Ramped unit off line for fall maintenance outage.
i 1
a 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-Administ ra tive 9-Other 5
G-Operational Error (Explain)
H-Other (Explain)
Exhibit H - Same Source
Page 1
of 1
UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.
50-338 REPORT MONTH OCTOBER UNIT NAME NA-1 YEAR 1981 DATE 11-05-81 COMPLETED BY L. L. ROGERS 81-16 (B) 1)
Unit I was ramped off the line to begin the fall maintenance outage at 0259, October 7, 1981. Major items scheduled include:
"A" feedwater heater repair, No.4 governor valve replacement, overhaul of "3A" feedwater pump motor, replacement of "C" reactor coolant pump seal, repair and inspection of steam drain pump "1B", generator voltage regulator adjustment, inspection and repair of pressurizer level transmitter, and ultrasonic test of loop flow splitters. Work'was also done on various design changes.
4 OPERATING DATA REPORT DOCKET NO.
50-339 DATE 11-05-81 COMPLETED BY L.L. Rogers TELEPHONE (703) 894-5151 X2510 OPERATING STATUS Notes 1.
Unit Name:
North Anna 2 2.
Reporting feriod:
October 1981 3.
Licensed Tltrmal Power (dWt):
2775 4.
Nameplate Racing (Gross MWe):
947 5.
Design Electrical Rating (Net MWe):
907 6.
Maximum Dependable Capacity (Gross MWe):
939 7.
Maximum Dependable Capacity (Net MWe):
890 8.
If Changes Occur in Capacity Ratings (Items No._3 thru 7) Since Last Report, Give Reasons:
Corrects re-evaluation of auxiliary load comsumption dated day 1981.
9.
Power Level To W'ich Restricted, If Any (Net MWe):
N/A a
- 10. Reasons For Restrictions, If Any:
N/A This Month Yr.-to-Date Cumulative 11.
Hours In Reporting Period 745 7,296 7,728 12.
Number of Hours Reactor Was Critical 733.2 5,524.3 5,953.2 13.
Reactor Reserve Shutdown Hours 17.1 1,358.5 1,638.5 I
14.
Hours Generator On-Line 727.9 5,376.9 5,789.6 15.
Unit Reserve Shutdown Hours 0
0 0
16.
Gross Thermal Energy Generated (MWH) 1,898,994 13,802,996 14,889,993 17.
Gross Electrical Energy Generated (MWH) 643,948 4,653,876 5,022,307 18.
Net Electrical Energy Generated (MWH) 611,338 4,402,998 4,752,642 19.
Unit Service Factor 97.6 73.7 74.9 20.
Unit Availability Factor 97.6 73.7 74.9 21.
Unit Capacity Factor (Using MDC Net) 92.2 67.8 69.1 21.
Unit Capacity Factor (Using DER Net) 90.5 66.5 67.8 23.
Unit Forced Outage Rate 2.3 23.1 22.0 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
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-339 UNIT NA-2 DATE '11-05-81 COMPLETED BY L.L. Rogers TELEPHONE 703-894-5151X251C MONTH October DAY AVERAGE DAILY POWER LEVuL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(NWe-Net) 1 660 17 862 2
883 18 863 3
440 19 863 4
52 20 864 5
836 21 863 6
847 22 863 7
854 23 865 8
804 24 854 9
861 25 864 10 871 26 866 11 862 27 862 12 864 28 870 13 864 29 862 14 867 30 862 15 867 31 857 16 862 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.
Page 1 of 2 UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-339 UNIT NAME North Anna 2 DATE 11-05-81 REPORT MONTH OCTOBER COMPLETED BY L. L. ROGERS TELEPil0NE (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 81-37 811001 F
N/A F
5 N/A N/A N/A Reduced load to 90% due to "B" Transformer hi alarm and No. 4 governor valve cycling.
81-38 811003 F
12.1 A
3 N/A N/A N/A Reactor trip due to EHC line rupture on No.4 governor.
Closed No. 4 governor valve and installed new supports 81-39 811004 F
5.0 A
3 N/A N/A N/A Reactor Trip due to generator leads differential.
81-40 811005 F
N/A F
5 N/A N/A N/A Reduced load to 91% due to "B" 1
Transformer hi temperature alarm.
81-41 811006 F
N/A F
5 N/A N/A N/A Reduced load to 90% 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 G-Operational Error (Explain)
H-Other (Explain)
Exhibit H - Same Source
Page 2 of 2 UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-339 UNIT NAME North Anna 2 DATE 11-05-81 REPORT MONTH OCTOBER COMPLETED BY L. L. ROGERS TELEPHONE (703) 894-5151 X2510 2
No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective Action to (Hours)
Shutting 3
"4 "5
Down Reactor Report //
Prevent Recurrence 81-42 811008 F
N/A A
5 LER-81-78 SF ACCUNU Ramped unit down to 38% power due to "C" accumulater out of specification 81-43 811016 S
N/A B
5 N/A N/A N/A Reduced load to perform Turbine Valve Freedom Test i
81-44 811024 S
N/A B
5 N/A N/A N/A Reduced load to perform Turbine Valve Freedom Test.
1 2
3 4
i F: Forted Reason:
Method:
Exhibit F - Instructions S: Scheinled 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-0151)
E-Operator Training & License Examination 5-Load Reduction F-Administrative 9-Other 5
G-Operational Error (Explain) 1.
H-Other (Explain)
Exhibit H - Same Source i
.t Page 1
of 1
UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.
50-339 REPORT MONTH OCTOBER UNIT NAME NA-2 YEAR 1981 DATE 05-81 COMPLETED BY L. L. ROGERS 81-38 (A)
(3)
Reactor trip due to EHC line rupture on No. 4 governor.
No. 4 governor valve was closed and new supports were installed.
81-39 (A)
(3)
Reactor trip due to generator leads differential caused by under excitation and/or protection device inaccuracies.
Investigation is continuing.
.