ML20107A791

Monthly Operating Repts for Dec 1984

ML20107A791
Person / Time
Site:	North Anna
Issue date:	12/31/1984
From:	Jun Lee VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
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ML20107A787	List: ML20107A791
References
NUDOCS 8502200112
Download: ML20107A791 (13)

Text

e-VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH December YEAR 1984 4

APPROVED:

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_0PERATING DATA REPORT DOCKET NO.iS0-338 DATE. 01-04-85 COMPLETED BY Joan N. Lee TELEPHONE (703) 894-5151 X2527

' OPERATING STATUS 1.

Unit Name:

NorthLAnna 1 2.

Reporting Period:

December,- 1984 3.

Licensed Thermal Power-(MWt):

2775 4.

Nameplate Rating'(Gross MWe):

947 5.

Design Electrical Rcting (Net MWe):

907

.6.

. Maximum Dependable Capacity (Gross MWe):

937 7

_ Maximum Dependable Capacity (Net MWe):

890

8. lIf Changes Occur in Capacity Ratings (Items No. 3 thru 7) Since Last Report, Give P.easons:

N/A 9.

Power LevelLTo 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 744

-8,784 57,225 12.

Number of Hours Reactor Was Critical 734.3 4,784.9 38,371.7

13. Reactor Reserve Shutdown Hours 0

55.6 3,084.2

14. Hours Generator On-Line 727.1 4,424.2 37,112.8

15. Unit Reserve Shutdown Hours 0

0 0

16.

Gross Thermal Energy Generated (MWH) 2,008,086 11,807,889 96,859,662 17.

Gross Electrical Energy Generated (MWH) 678,104 3,987,995 31,372,185 18.

Net Electrical Energy Generated (MWH) 644,277 3,784,804 29,435,978

19. Unit Service Factor 97.7 50.4 64.9 20.

Unit Availability Factor 97.7 50.4

-64.9 21.

Unit Capacity Factor (Using MDC Net) 97.3 48.4 57.8

22. Unit Capacity Factor (Using DER Net) 95.5 47.5 56.7

23. Unit Forced Outage Rate 2.3 18.7 13.0

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

25.

If Shut ~Down At End Of Report Period,: Estimated Date of Startup:

i

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY

' COMMERCIAL OPERATION s

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-338 UNIT NA-1 DATE 01'-04 COMPLETED BY-Joan N. Lee TELEPHONE 703-894-5151X2527 MONTH December, 1984 DAY AVERAGE DAILY POWER LEVEL

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

(MWe-Net) 1 893 17 887 2

895 18 889 3

-893 19

~888 4

894 20 887 5

895 21 889 6

892 22 888 7

887 23 888 8

888 24 889 9

887 25 887 10 883 26 886 1

3 11 885 27 887 12 883 28 887 13 884 29 819 14 889 30 894 15 886 31 263 16 885 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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UNIT SHUTDOWN AND POWER REDUCTIONS EXPLANATION SHEET DOCKET NO.

50-338-REPORT MONTH December UNIT NAME NA-1 YEAR 1984 DATE 01-04-85 COMPLETED BY Joan Lee 84-21 (1)

(A)

Reactor tripped on December 31, 1984 at-0704.

The trip was caused by failure of a firing card in rod control

- power cabinet (IBD) causing Multiple Rod drops.

Ended this month with Unit I at 4% power.

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-338 UNIT NAME North Anna 1 DATE 01-04-85 REPORT MONifI December, 1984 COMPLETED.BY Joan Lee TELEPHONE (703) 894-5151 X2527 l

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 84-20 122884 S

0 B

NA NA NA NA

. Ramped down for Turbine Valve Freedon' test. Unit returned to full power.

84-21 123184 F

16.9 A

3 84-026 NA NA Unit 1 Reactor trip caused by failure of a firing card in rod control-power cabinet IBD causing Multiple l Rod drops.

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

=.

n VIRGINIA ELECTRIC AND POWER ~ COMPANY

~

NORTH ANNA POWER STATION

UNIT NO.'

1 MONTH' ~ December

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.

4

.DATE TIME DATA i

December 1, 1984^

0000 Began'this month with Unit I at 100% power.

4 December 28, 1984 0655 Commenced ramp down approximately 150 MW/hr for Turbine Valve Freedom test.

i

. 2316 Stabilized at 89% - 850 MW.

2320 Commenced Turbine Valve Freedom test.

i

. December 29, 1984' 0021 Continuing Turbine Valve Freedom test.

0451

' Turbine Valve Freedom test complete power at 86% - 813 MW.

1518 Commenced ramp up to 100% power. - Power i

at 86% - 813 MW.

1613 Unit at 100% power.

December 31, 1984 0704 Unit 1 Reactor trip - caused by-failure of a firing card in rod control power-cabinet (IBD) causing Multiple Rod drops.

0710 Plant stabilized.

I 1617 Repair made. Commenced Reactor Startup F

1646 Unit 1 Reactor critical.

2400 Ended this month with Unit 1 at 4% power.

I 1

4 k-i

-m.-

OPERATING DATA REPORT

' DOCKET N0'.

50-339

.l LDATE 01-04-85 i

COMPLETED BY Joan N.' Lee TELEPHONE (703) 894-5151 X2527. l OPERATING STATUS

. Notes:

1.

Unit Name:

' North Anna 2 2.

Reporting-Period:

December, 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):

939 7.

Maximum Dependable Capacity (Net NWe):

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 744 8,784 35,496 12.

Number of Hours Reactor Was Critical 634.4 6,102.7 25,790.4 13.

Reactor Reserve Shutdown Hours 178.6 205.8 3,985.8

14. Hours Generator On-Line 565.4 5,898.0 25,405.1 15.

Unit Reserve Shutdown Hours 0

0 0

16.

Cross Thermal Energy Generated (MWH) 1,469,035 15,083,200 65,500,241 17.

Gross Electrical Energy Generated (MWH) 493,663 4,982,898 21,697,265 18.

Net Electrical Energy Generated (MWH) 468,656 4,717,180 20,569,262

19. Unit Service Factor 76.0 67.1 71.6 20.

Unit Availability Factor 76.0 67.1 71.6 21.

Unit Capacity Factor (Using MDC Net) 70.8 60.3 65.2 22.

Unit Capacity Factor (Using DER Net) 69.5 59.2 63.9 23.

Unit Forced Outage Rate 24.0 5.6 13.2 24.

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

i.

l 25.

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

i

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

Forecast Achieved

(

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

t.

+

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-339 UNIT' NA-2 DATE 01-04-85 COMPLETED BY Joan N. Lee-TELEPHONE 703-894-5151X2527 MONTH December DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

_(MWe-Net) 1 884 17 229 2

891 18 387 3

891 19 834 4

890 20 900 1

5 886 21 899 6

890 22 854 7

898 23 900 8

899 24 900 9

399 25 817 10 0

26 900

'l 11 0

27 899 12 0

28 895 13 0

29 893 14 0

30 811 15 0

31 881 16 0

INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each i

day in the reporting month. Compute to the nearest whole megawatt.

I

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UNIT SHUTDOWN AND POWER REDUCTIONS -

EXPLANATION SHEET DOCKET NO.

50-339 REPORT MONTH December UNIT NAME NA-2 t

YEAR 1984 DATE 01-04-85 COMPLETED BY Joan Lee 84-36 (1)

(F)

On December 9, 1984 at. 0830 commenced ramping Unit 2 off line as per Tech. Spec.

3.8.1.1 (Paragraph - D) because of no operable Emergency Diesel.

Repairs-were made and Unit 2 returned to 100% power.

i 1

4 i

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-339 UNIT NAME North Anna 2 DATE 01-04-85 REPORT MONTH December COMPLETED BY Joan Lee TELEPHONE (703) 894-5151 X2527 l

2 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 84-36 120984 F

178.6 A

1 84-013 NA NA Unit 2 ramped down per Tech.

Spec. 3.8.1.1 (Para D) no operable Emergency Diesel.

Repairs made and Unit 2 returned to full power.

84-37 122284 S

0 B

NA NA NA NA Ramped down for load following.

Unit returned to full power.

84-38 122584 S

NA B

NA NA NA NA Ramped down for load following.

Unit returned to full power.

84-39 122984 S

NA B

NA NA NA NA Ramped down for load following.

Unit returned to full 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

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NO.

2 MONTH December

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 December 1, 1984 0000 Began this month with Unit at 100% power.

December 9, 1984 0830-Commenced ramp down of_ Unit 2 as per Tech.

Spec. 3.8.1.1 (Paragraph D) - no operable Emergency Diesel.

t 1324 Unit 2 off line.

i December 14, 1984 0255 Repairn made and commenced Reactor Start-up.

0301 Reactor critical.

December 16, 1984 2355 Unit 2 on line.

December 17, 1984 0145 Unit 2 at 30% power - 270 MW for Chemistry Hold.

December 18, 1984 1710 Commenced ramp up to 75% power.

1840 Stabilized at 75% power for PT-23 (Power Tilt).

2159 PT-23 complete (Power Tilt).

2201 Commenced ramp up to 100%.

December 19, 1984 0052 Stabilized power at 80% - 70 MW.

Requested by System Operator to ramp down 100 MW.

0057 Commenced rampdown to 670 MW.

0133 Unit at 670 MW.

0446 Notified by System Operator to commence ramp up to 100% at 150 MW/ hour.

1

VIRGINIA ELECTRIC AND POWER COMPANY.

NORTH ANNA POWER STATION o

UNIT NO.-

2 MONTH December

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.

4 DATE TIME DATA December 19, 1984 0544 Unit at 90% - 865 MW for calorimetric.

0745 Calorimetric complete and Unit at 100% power.

December 22, 1984 0136 Commenced rampdown for load following.

Reduced power by 100 MW.

0158 Requested tar System Operator to ramp down another 100 MW.

0238 Power at 77% - 757 MW.

0252 Requested by System Operator to ramp down another 100 MW.

0320 Stabilized power at 67% - 650 MW.

0503 Commenced ramping to 100%.

0655 Stabilized power at 90% for calorimetric.

0750 Calorimetric complete and Unit at 100%

power.

December 25, 1984 0045 Commenced rampdown for load following.

0125 Decreased by 100 MW and continuing to decrease power.

0300 Stabilized power at 55% - 500 MW.

0520 Commenced ramping up to 100%.

0707 Stabilized power at 90% for calorimetric.

0803 Calorimetric complete and Unit at 100%.

2 4

- i.

,' ~.

VIRGINIA ELECTRIC AND POWER COMPANY NORTH' ANNA POWER STATION.

UNIT NO.

2 MONTH ' December

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 December-29, 1984 2349 Requested by System Operator to rampdown for load following.

December 30, 1984 0220 Stabilized power at 56% - 550 MW.

0420 Commenced ramp up per System _ Operator.

0754

. Unit at 100% power.

December 31, 1984 0128 Commenced rampdown for load following per System Operator.

0200 Stabilized power at 89% - 845 MW.

0410 Commenced ramp up to 100% per System Operator.

0450 Unit at 100% power.

December 31, 1984 2400 Ended this month with Unit at 100% power.

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