ML20101G184
| ML20101G184 | |
| Person / Time | |
|---|---|
| Site: | North Anna  |
| Issue date: | 11/30/1984 |
| From: | Jun Lee, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.) |
| To: | Beebe M NRC OFFICE OF RESOURCE MANAGEMENT (ORM) |
| References | |
| 737, NUDOCS 8412270445 | |
| Download: ML20101G184 (14) | |
Text
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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH November YEAR 1984 4
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OPERATING DATA REPORT DOCKET NO. 50-338 DATE 12-05-84 COMPLETED BY Joan N. Lee TELEPHONE (703) 894-5151 Y2527 OPERATING STATUS
-1.
Unit Name:
North Anna 1 2.
Reporting Period:
November, 1984 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):
937 7.
Maximum Dependable Capacity (Net MWe):
890 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 8,040 56,481 12.
Number of Hours Reactor Was Critical 708.6 4,050.6 37,637.4 13.
Reactor Reserve Shutdown Hours 0
55.6 3,084.2 14.
Hours Generator On-Line 560.1 3,697.1 36,385.7 _
15.
Unit Reserve Shutdown Hours 0
0 0
16.
Gross Thermal Energy Generated (MWH) 1,545,983 9,799,803 94,851,576 17.
Gross Electrical Energy Generated (MWH) 519,759 28,420,891 30,694,081 18.
Net Electrical Energy Generated (MWH) 494,176
_3,140,527 28,971,701 19.
Unit Service Factor 77.8 46.0 64.4 20.
Unit Availability Factor 77.8 46.0 64.4 21.
Unit Capacity Factor (Using MDC Net) 77.1 43.9 57.6 22.
Unit Capacity Factor (Using DER Net) 75.7 43.0 56.5 23.
Unit Forced Outage Rate 22.2 21.3 13.2
- 24. Shutdowns 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 l
INITIAL CRITICALITY f
INITIAL ELECTRICITY COMMERCIAL OPERATION l
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-338 UNIT NA-1 DATE 12-05-84 COMPLETED BY Joan N. Lee TELEPHONE 703-894-5151X2527 >
MONTH November DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
(MWe-Net) 1 887 17 0
2 889 18 0
887 19 392 4
890 20 900 5
892 21 900 6
892 22 900 7
894 23 902 8
892 24 901 9
893 25 216 10 894 26 92 11 897 27 865 12 900 28 888 13 899 29 887 14 251 30 891 15 0
31 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.
Page 1
of 1
UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.
50-338 REPORT MONTH Noveeber UNIT NAME NA-1 YEAR 1984 DATE 12-05-84 COMPLETED BY Joan Lee 84-18 (F)
(1)
Reactor tripped on November 14, 1984 at 0655.
The trip was caused by Loss of Vital Bus III.
Repairs were made and Unit returned on line November 19, 1984 at 1036.
By 1817 on November 19, 1984 Unit I was at 100% power.
84-19 (F)
(2)
Reactor tripped on November 25, 1984 at 0546.
Trip was caused by steam / feed mismatch with low steam generator levels
('B' S/G).
Repairs made and unit returned to full power.
Ended this month with unit at 100% power.
UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-338 UNIT NAME North Anna 1 DATE-12-05 REPORT MONTH November, 1984 COMPLETED BY Joan Lee TELEPHONE (703) 894-5151 X2527 I
2 No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)-
Shutting 3
- 4 Code Action to 5
Down Reactor Report #
Prevent Recurrence 84-18 11-14-84 F 123.6 A
3 84-019 NA NA Reactor tripped because of Loss of Vital Bus.
Repairs were made and Unit I returned to 100% power.
84-19 11-25-84 F 36.3 A
3 84-021 NA NA Reactor tripped due to Steam /
feed mismatch with Low-S/G levels in 'B' Steam generator -
Repairs made - Unit I returned to 100% power. Ended this month with Unit 1 at 100% power.
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) 5 H-Other (Explain)
Exhibit H - Same Source
-a VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO.
1 MONTH November
SUMMARY
OF OPERATING EXPERIENCE 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, 1984 0000 Began this month with Unit I at 100% power.
November 14, 1984 0655 Unit 1 Reactor trip - caused by Loss of Vital Bus III.
0829 Reset Reactor trip breakers.
1406 Commenced React r Start-up.
1710 Unit 1 Reactor critical.
November 18, 1984 1422 Reactor trip - attempting to perform Turbine overspeed test, Turbine first stage pressure spike.
l 1506 Commenced Reactor Start-up.
1527 Reactor critical.
1723 Latched Turbine.
November 19, 1984 1036 Unit 1 on line.
4 1656 Calorimetric completed.
Power level at i
85% power 808 MW 1817 Unit 1 at '100% power.
November 25, 1984 0546 Unit 1 Reactor trip ('B' S/G). Steam / feed mismatch with Low S/G 1evel.
1104 Commenced Reactor Start-up.
i 1328 Unit 1 Reactor critical.
1720 Latched Turbine.
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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO.
1 MONTH November
SUMMARY
OF OPERATING EXPERIENCE 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 26, 1984 1801 Unit 1 on line.
1904 Unit 1 at 30% power.
2215 Commencing increase to 100% power.
November 27, 1984 0234 Completed Calorimetric power at 90%
887 MW.
0510 Unit at 100% power.
November 30, 1984 2400 Ended this month with Unit at 100%.
2
j OPERATING DATA REPORT DOCKET NO.
50-339 DATE 12-05-84 COMPLETED BY Joan N. Lee TELEPHCNE (703) 894-5151 X2527 OPERATING STATUS Notes:
1.
Unit Name:
North Anna 2 2.
Reporting Period:
November, 1984 3.
Licensed Thermal Power (MWt):
2775 4.
Nameplate Rating (Gross NWe):
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 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 8,040 34,752 12.
Number of Hours Reactor Was Critical 687.3 5,468.3 25,156 13.
Reactor Reserve Shutdown Hours 12.6 27.2 3,807.2 14.
Hours Generator On-Line 619.6 5,332.6 24,839.7
- 15. Unit Reserve Shutdown Hours 0
0 0
16.
Gross Thermal Energy Generated (MWH) 1,398,704 13,614,165 64,031,206
- 17. G rc e.: Electrical Energy Generated (MWH) 462,730 __
4,489,235 21,203,602 18.
Net Electrical Energy Generated (MWH) 436,217 4,248,524 20,100,606
- 19. Unit Service Factor 86.0 66.3 71.4
- 20. Unit Availability Factor 86.0 66.3 71.4 21.
Unit Capacity Factor (Using MDC Net) 68.0 59.3 65.0 22.
Unit Capacity Factor (Using DER Net) 66.8 58.3 63.7
- 23. Unit Forced Outage Rate 0
2.8 12.9 24.
Shutdowns 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 INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 4
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-339 UNIT NA-2 DATE 12-05-84 COMPLETED BY Joan N. Lee TELEPHONE 703-894-5151X2527 NONTH November DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (NWe-Net)
(MWe-Net)-
1 0
17 883 2
0 18 882 3
0 19 883 4
40 20 881 5
218 21 883 6
217 22 884 7
226' 23 884 8
223 24 884 9
226 25 884 10 289 26 884 11 245 27 884 12 638 28 890 13 844 29 890 14 874 30 890 15 873 31 16 880 INSTRUCTIONS On this format, list the average daily unit power level in NWe-Net for each day in the reporting month.
Compute to the nearest whole megawatt.
Page 1
of 1
UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.
50-339 REPORT MONTH November UNIT NAME NA-2 4
YEAR 1984 DATE 12-05-84 COMPLETED BY Joan Lee 84-35 (1)
S Unit 2
rampdown for Turbine overspeed test on November 10, 1984.
Unit 2 off line at 2146.
Test completed and Unit returned to full power.
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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.
50-339 UNIT NAME North Anna 2 DATE 12-05-84 REPORT MONTH November COMPLETED BY Joan Lee TELEPHONE (703) 894-5151 X2527 I
No.
Date Type Duration Reason Method of Licensee System Component Cause & Corrective (Hours)
Shutting Event Code Code Action to 3
4 5
Down Reactor Report #
Prevent Recurrence 84-34 840802 S
90.3 D/C 1
LER-006 NA NA Continuation of Unit 2 Scheduled Refueling Outage.
Refueling completed and Unit returned on line November 4, 1984 at 1845.
84-35 841110 S
10.1 B
5 NA NA NA Ramped down for Turbine over-speed test. Test completed and Unit 2 returned to 100%
power. Ended this month with Unit at 100% power.
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) 5 H-Other-(Explain)
Exhibit H - Same Source
w VIRGINIA ELECTRIC AND E0WER COMPANY NORTH ANNA POWER STATION UNIT NO.
2 MONTH November
SUMMARY
OF OPERATING EXPERIENCE 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,-1984 0000 Began this month with Unit 2 in Mode 4--
continuation of Scheduled Refueling Outage.
1125 Entered Mode 3.
November 2, 1984 0842 Unit 2 Reactor Critical.
November 4, 1984 1845 Unit 2 on line.
1912 Holding at 30% power 241 MW for Chemistry hold.
November 10, 1984 0506 Commenced ramp up to 50% power at 3% per hour.
1135 Holding at 50% power for flux mapping.
1630 Commenced ramp up to 100% power.
.i 1749 Stopped ramp up at 53%.
1900 Commenced ramp down for Unit 2 Turbine Overspeed test.
2146 Unit 2 off line.
November 11, 1984 0330 Test complete - Latched Turbine.
0653 Unit in Mode 1.
0754 Unit 2 on line.
0941 Calorimetric complete.
Commenced ramp up to 100% power at 3% per hour.
1
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l VIRGINIA ELECTRIC AND POWER COMPANY
'l NORTH ANNA POWER STATION UNIT NO.
2 MONTH November
SUMMARY
OF OPERATING EXPERIENCE 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 12, 1984 0022 Stabilized power at 70% for flux mapping.
November 13, 1984 0353 Stabilizing power at 90% for calorimetric.
0430 Unit 2 at 100% power.
November 30, 1984 2400 Ended this month with Unit 2 at 100% power.
2
- 7...
VIRGINIA ELECTMIC AND Powan COMPANY HIcuwoNo, VIRGINIA 20261 w.L.seawaar vie. p....
December 13, 1984
.Nuca..a. op.. avion.
Mr. Maurice R. Beebe Serial No. 737 Office of Resource Management N0/JHL:acm U. S. Nuclear Regulatory Consission Docket Nos. 50-338 Washington, D. C.'20555 50-339 License Nos. NPF-4 NPF-7
Dear Mr. Beebe:
Enclosed is the Monthly Operating Report for North Anna Power Station Unit Nos. I and 2 for the month of November, 1984.
Very truly yours, n
lol 1
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M i (t%a,4 W. L. Stewart Enclosure (3 copies) cc:
Mr. R. C. DeYoung, Director (12 copies)
Office of Inspection and Enforcement Mr. James P. O'Reilly (1 copy)
Regional Administrator Region II Mr. M. W. Branch NRC Resident Inspector North Anna Power Station
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