ML20127E282

Monthly Operating Repts for Dec 1992 for North Anna Station, Units 1 & 2

ML20127E282
Person / Time
Site:	North Anna
Issue date:	12/31/1992
From:	Bowling M, Kane G VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
93-011, 93-11, NUDOCS 9301190235
Download: ML20127E282 (12)

Text

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.. ELECTHIC AND POWER COMI'ANY Ibennoso. VIRGINI A 23001 January 11, 1993 U. S. Nuclear Regulatory Commission Serial No.93-011 Attention: Document Control Desk NL&P/JMJ:jmj Washington, D.C. 20555 Docket Nos.

50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:

yJRGINIA 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 December 1992.

Very truly yours, M. L. Bowling, Manager Nuclear Licensing and Programs Enclosure cc:

U.S. Nuclear Regulatory Commission 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Mr. M. S. Lesser NRC Senior Resident inspector North Anna Power Station 000010 79g l

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9 VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH:

December YEARt 1992

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Approved:-

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'St8 tion Manager-

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...o OPE 8AfidQ DATA REPO3t y

DOCKET No.:-

50 338 DATE: January 4, 1993 CONTACT: G. E. Kane PHONE: (703) 894 2101 OPERATING $1ATU$

1, Uni t N ame s................................ Lor t h Anna 1

' 2, depor t ing Pe r i od s......................... Decent >et 1992 3.

L ic ensed T hermal Power (MWt ).............

2,748 L4 Nameplate Rating (Gross MWe)............

947 5.

Design Electrical Rating (Wet MWe).......

907 6.

Maninun Dependable Capacity (Gross Hve):..

894

/. Maalnun Dependable Capacity (Net MWe):....

848 G.

If changes occur in Capacity Ratings (Items No. 3 thru 7) since last report, give reasons _N/A I

'9 Power level to which restricted, if any (Net Mue): _,N / A

10. measons for restrictions, if any:

N/A This Month Y.t.D Cumulative

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11. H our s i n R epor t I ng Per l od................................

744.0 8,784.0-127,356.0

~

-12. Number of Hours Reactor was criticat.....................

744.0 7,242.3 93,930.8

13. R eac t or R eserve Shutdown Hours...........................

0.0 36.3 6,758.0

14. Hours Generator On-Line.................................

744'0 7,225.2 90,996.7

15. Unit Reserve shutdown Hours..............................

0.0 0.0 0.0

16. Gross Therma t Energy Genera t ed (MWH )..................... '980,724.3 17,223,414.5-240,176,186.9-17 Gross E lectrical Energy Generated (MVH).................. - 320,478.0 5,669,058.0 78,926,905.0 l:

_18.. Net Elect rical Energy Gener'a t ed (MWH)....................

292,681.0 5,359,323.0 74,713,940.0

19. Unit' service Factor..............'.....

100.0%

82.3%

71.5%

20.; Unit Availability Factor..................

100.0%

82.3%

71.5%

-21. Unit Capacity Factor (using MOC Net).....................

46.4%

70.6%

65.7%

22. Uni t Capac i ty F ac t or (using DER ket );....................

43.4%

67.3%

64.7%

-23. Forced Outage Rate...........

0.0%

0.0%

11.4%-

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each)_$ team Generator Replacement and lefueling Outage, January 1993, approximately 120 days.

25. If shutdown'at end of_ Report Period, estimated tim of Startup N/A ll

' 26. Units in Test Status (Prior to comerclat-Operation):

Forecast Achieved IhlTIAt CRITICALITY IN111AL ELECTRICITY

. COMMERCIAL OPERAfiON i.

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5 AVERAGE DAILY UNIT POWER LEVEL Docket No.

50-338 Unitt NA-1 Date Jan.

4.

1993 Contacts

__G.

E.-Kane Phones (703) 894-2101 MONTH: _ December 1992 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWo-Not)

LEVEL (MWe-Net) 1 434 17 391 2

442 18 388 3

442 19 378 4

440 20 378 5

438 21 379 6

430 22 368 7

425 23 365 8

425 24 364 9

421 25 362 10 411 26 361 11 408 27 360 12 407 28 351 i

13 406 29 345 14 405 30 345 15 393 31 343 16 391 Instructions On this format, list the average daily unit power level in MWe-Not for each day in the reporting month.

Computo-to the nearest whole megawatt.

UNIT-SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.:

5 0 - 3 3 8.-

UNIT NAME:

NA-1 I

DATE: Jan.

4, 1993 REPORT MONTH: Dec. 1992 CONTACT:

G.

E. Kane.

PHONE: (703) 894-2101 i

1 2

3 4

5 No.

Date' Type Duration Reason Method of Licensee System Component cause'& Corrective-(hrs)

Shutting.

Event Code Code-Action to O

Down Reactor Report #

Prevent Recurrence

.j

ONo entry this. month.

f r

f

.1:; Type 2: Reason 3: Method 4:

F= Forced A= Equipment FailureL(explain) 1= Manual Exhibit F - Instructions

.S= Scheduled B= Maintenance.or Test.

2= Manual Scram for preparation.of' Data-C= Refueling 3= Automatic Scran Entry Sheets for Licensee

-D= Regulatory Restriction' 4= Continuations Event Report (LER) File E= Operator Training &' License Examination 5= Load Reduction (NUREG-Ol61) i F= Administrative 9=Other G= Operational Error 5:

-H=Other (explain)

Exhibit H - Same Source

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Page 1

of __1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-338 Report Month December Unit Name NA-1 Yeart _1.992 Datet Jan.

4.

1993

Contact:

G.

E.

Kane

• No entry this month.

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NORTH ANNA POWER STATION UNIT NO.t 1

MONTH:

December

SUMMARY

OF OPEJATING EXPEJIENCE Page 1 of 1 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, p_a M 11_m e_

Data December 01, 1992 0000 Began month with unit at 50% power, 475 MWe, in a power coastdown.

December 17, 1992 1408 Turbine automatically shifted to Manual control and subsequently started to gradually unload due to a problem in the cont ' col circuitry. Load was held manually by Operator action.

December 18, 1992 1440 Turbine returned to Automatic control following replacement of faulty logic cards.

December 19, 1992 1820 All MSR reheat steam supply FCVs f ailed shut due to a failed power supply.

Lost approximately 30 MWe to stabilize at 392MWe.

December 20, 1992 0900 Returned to full power of 422 MWe after reopening the MSR reheat steam supply FCVs.

December 31, 1992 2400 Ended month with unit at 40% power, 383 MWe,

OPERATING DATA REPORT DOCKET NO.:

50 339 CATE: January 4, 1993 CONTACT:

G. E. Kane PH0hE (703) 894 2101 OPERATING STATUS 1.

Unit Name:

............................ North Anna 2 2.

Reporting Period:

.. Decenter 1992 3.

L ic ensed t hermal Power (MVt ).............

2893 4.

Noneptate Rating (Gross MWe):....

947 5.

Design Electrical Rating (Net MWe):.......

907 6.

Maximum Dependable Capacity (Gross MWe)..

957 7.

Maximum Dependable Capacity (Net kWe):....

909 8.

If changes occur in Capacity Ratings (Items No. 3 thru 7) since last report, give reasons:

N/A 9 Power levet to which restricted, if any (Net MWe): ___N/A

10. Reasons f or restrictions, i f any:

N/A This Month Y-t-D Cumulative

11. Hours in Reporting Period..

744.0 8,784.0 105,624.0

12. Number of Hours Reactor was critical.......

744.0 7,308.3 87,044.2

13. Reactor Reserve Shutdown H7JrS.....

0.0 187.0 6,244.4

14. Hours Generator On Line..............

744.0 7,238.7 86,013.1

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15. Unit Reserve shutdown Hears.............

0.0 0.0 0.0

16. Cross the mat Energy Generated (MWH).................. 2,151,477.7 20,307,631.4 232,124,764.5

17. Gross Electrical Energy Generated (MWH)....

706,945.0 6,656,590.0 76,036,716.0

18. Net Electrical Energy Generated (MWH)..

673,319.0 6,324,748.0 72,824,481.0

19. Unit Service Factor........

100.0%

82.4%

81.4%

20. Unit availability Factor.

100.0%

82.4%

81.4%

21. Unit Capacity Factor (using MDC Net)...

99.6%

79.2%

76.6%

22. Unit Capacity Factor (using DER Net)....

99.8%

79.4%

76.0%

2 3. F orc ed Out a g e R a t e..................................

0.0%

0.9%

5.6%

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

25. If shutdown et end of Report Period, estimated time of Startup:

N/A

26. Units in Test Status (Prior to Connercial Operation);

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERAi!ON

AVERAGE DAILY UNIT POWER LEVEL Docket No.:

50-339 Unit NA-2 Date:

_Jan.

4.

1993

Contact:

G.

E.

Kane

> hone:

1223) 894-2101 MONTH:

December 1992 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

LEVEL (MWe-Net) 1 90.1 17 906 2

905 18 905 3

905 19 901 4

906 20 905 5

907 21

@05 6

907 22 905 7

907 23 905 8

905 24 905 9

905 25 904 10 905 26 905 11 904 27 905 12 905 28 905 13 905 29 904 14 905 30 905 15 905 31 903 16 906 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.

a UNIT fW' TDOWNS AND ' POWER REDUCTIONS DOCKET NO.:

50-339 '

UNIT NAME:

NA-2 DATE: Jan.

4, 1993 REPORT 90 NTH: Dec. 1992 CONTACT: G.

E. Kane PHONE: (703) 894-2101 1

2 3

4 5

No.

Date-Type Duration Reason Method of Licensee System Component cause & Corrective..

(hrs)

Shutting Event Code Code

. Action to Down Reactor Report #

Prevent Recurrence

! O No entry this month.

1: Type 2: Reason 3: Method 4:

F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions'-

S=Scneduled B= Maintenance or Test 2= Manual Scram for preparation of Data'

.C= Refueling-3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction ~

4= Continuations Event Report (LER) ' File ;

'E= Operator Training &, License Examination 5= Load Reduction (NUREG-0161)

'F= Administrative 9=Other 5:

G= Operational Error Exhibit H - Same Source H=Other (explain)

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4 Page 1

of __1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-339 Report Month December Unit Names NA-2 Yeart 1992__

Date: Jan.

4.

1921

Contact:

G.

E.

Kane

• No entry this month.

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t NORTH ANNA POWER STATION UNIT NO.I 2

MONTH:

December

SUMMARY

.OF OPEBATING EXPERIENCE Page 1 of 1 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.

Ra.te Time Rata December 01, 1992 0000 Began month with ur.it at 100% power, 945 MWo.

December 19, 1992 0913 Commence rampdown to 92% power..for TVFT.

0950 Unit stable at 92% power,.880 MWe.

1053 Commenced ramp to 100% power following satisf actory completion of TVFT.

1220 Unit stable at 100% power, 951 MWe.

December 31, 1992 2400 Ended month with unit at 100% power, 945 MWe.

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