ML20097F551

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

ML20097F551
Person / Time
Site:	North Anna
Issue date:	05/31/1992
From:	Kane G, Stewart W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
92-398, NUDOCS 9206150360
Download: ML20097F551 (13)

Text

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6 YlltOINIA l$LI'CTitlO AND l'OW1'It ('OMi%NY Il lC ll >l O N I), YI IID IN I A Ull M U l Juno 10, 1992 U. S. Nuclear Regulatory Commission Serial No.

92 398 Attention: Document Control Desk NL&P/JMJ:Jmj Washington, D.C. 20555 Docket Nos.

50 338 50 339 License Nos. NPF 4 NPF 7 l

Gentlemen:

VIRGINIA' ELECTRIC AND POWER COMPANY-i tiORTH ANNA POWER STATION UNITS 1 AND 2 MQNTHLY OPERATING REPORT Enclosed is the Monthly Operating Report for North Anna Power Station Units 1 and 2 for the month of May 1992.

Very truly yours,

[

_ w(

o.

W. L.' Stewart s

Senior Vice President - Nuclear Enclosure cc:

U.S. Nuclear Regulatory Commission 101 Marietta Street, NW

. Suite 2900 Atlanta, GA 30323 4

Mr; M. S. Lesser NRC Senior Resident inspector North Anna Power Station 1

neuan 88%r gl g

4 VIRGINIA POWER COMPANY NORTH ANNA POWER ST.. TION HONTHLY OPERATING REPORT MONTH:

May.

YEAR 1992 Approved:

o

'rG G

Stt onldanager

Dr!2AflhG DATA RIPDRf DDCKE1 No.:

50 338 DL?!: June 1,1692 CONIACT: G. E. K ane PHOkt : (703) 894 2101 OPIR ATING $1 Atus 1.

Un i t N one s................................ h o r t h A nna 1 2.

R epor t i ng Per i od t.........................May 1992 3.

L i c ensed t he rnet Power (MWt ):.............

2,748 4.

Nameplate R at i ng (Gross MWe):.............

947 5.

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

907 6.

Maximan Ovpendable Capacity (Cross MWe)..

894 T.

Mentnus Dependable Capacity (Net MWe)....

848 8.

If changes occur in Capacity Ratings (Itens No. 3 thru ?!.ince Last report, give ressusas__N/A o

9.

Power level to which restricted, if any (Not MWe):,__N/A

10. Reasons for restrictions, if any N/A Thtm Month Yat D Cumulative

11. H ours i n R epor t i ng P e r i od................................

744.0 3, 64 7.0 122,219.0

12. Numt>er of Hours R eac t or was Cr i t i c 4l.....................

744.0 2,105.3 88,793.8

13. Reactor Reserve shutdown Hours...........................

0.0 1 *,,3 6,758.0

14. Hour s Gene r a t or 0n L i ne..................................

744.0 2,063.2 65,859.7

15. Unit Reserve Lhutdown Hours..............................

0.0 0.0 0.0

16. Gross T herme t E ner gy Genera t ed (MWW )..................... 2,041,639.3 5,571,074.0 228,523.B46.4

17. Gross E lect rical Energy Generat ed (MWH )..................

676,777.0 1,644,035.0 75,101,B82.0

18. N e t E l ec t r i cal E nergy Gene ra t ed (MWH )....................

642,631.0 1,750,101.0 71,104,718.0

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

100.0%

57.3%

70.3%

20. Uni t Avai l abi l i t y f ac t or.................................

100.0%

57.3%

70.3%

21. Unit Capacity factor (using MDC het).....................

101.**

54.2%

65.0%

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

52.9%

64.1%

23. forced Outage Rate.......................................

0.0%

0.0%

12.0%

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

25. If Shutdown at end of 8eport Period, estimated time of itartups h/ A__

26. Units in Test status (Prior to Commerclat operation):

forecast Achieved INiilAL CR111CALITY INITIAL ELECTRICITY Co*ERCIAL OPERAtl0N

e 4

6 AVERAGE DAILY UNAT POWER LEVEL Docket No.:

50-338 Unit NA-1 Date June 14 1992

Contact:

G.

E.

Kano Phones (703) 894-2101 MONTH:

May 1992__

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

LEVEL (MWe-Net) 1 867 17 864 2

867 18 864 3

866 19 865 4

866 20 866 5

867 21 866 6

367 22 866 7

867 23 865 8

860 24 663 9

E67 25 862 10 867 26 864 11 868 27 863 12 867 28 863 13 868 29 864 i

14 867 30 e65 15 868 31 864 16 867 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 i

DOCKET NO.:

50-338 I

UNIT NAME:

NA-1 DATE: June 1, 1992 REPORT MONTH: May 1992 CONTACT:

G.

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

2 3

4 5

No.

Date Type Duration Reason Method of Licensee Systen Component Cause & Corrective (hrs)

Shutting Event Code Code Action to Down Reactor Report #

Prevent Recurrence cNo entry this month.

k 1: Type 2: Reason 3: Method 4:

F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions S= Scheduled 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-Ol61)

F= Administrative 9=Other G= Operational Error 5:

H=Other (explain)

Exhibit H - Same Source

l 4

Page 1

o f,_1 UNIT altUTDOWN AND POWER REDUCTIONS Eltplanatior! Dhoot Docket No.:

50-338 L

Report Month [ity Unit Name NA-1 Yeart 1992 Dato June 1.

1992 Contactt G.

E.

Kane

• No entry this month.

t

---~_-s-.-_-

NORTH ANNA POWER STATION UNIT NO.I 1

MONTH May 1

DUMMARY OF OPERATING EXPEBIEJiQ4 Page 1 of 1 Listed below in chronological sequence le a

summary of operating experiences for this month which rtiquired load reductions or rrsuited in significant non-load related incidents.

D.819 T11Mt Data May 01, 1992 0000 Began mo en with unit at 951, power, 909MWo.

May 08, 1992 1000 Commenced unit ramp-down for TVTT.

1130 TVFT' completed satisfactorily.

1225 Commenced unit ramp-up to 95% power.

1324 Unit stable at 95% power, 906MWo.

May 31, 1992 2400 Ended month with unit at 95% power, 910MWo.

4 OPERAllCG DotA REPORT DOCctI Wo.:

50 33P i

DAlt June 1, 1992 l

CONIACT: G. t. Kane PHONil (703) 894 2101 OPERAllNG STATUS l

i

1. : Uni t N ame s................................N o r t h Anna 2 l

2.

R epor t ing Per i ods.........................May 1992 1

3.

L icensed Thermal Power (MWt ).............

2893 4.

Nameplate R at ing (Cross NWell.............

947

5.. Deslan tiectrical Rating (Wet MWe).......

907

6. Ca 'u Deperdable Capacity (Cross MWe):..

957 wa Depenbble Capacity (Net MWe)s....

909 7

8.

If changes occur in Capacity Astings (ltems No. 3 thru 7) stree lost report, glve reasons:

N/A

~

9.

Power level to which restricted, if any (Wet MWe):,,,,,,N / A

10. Reasons for restrictions, if any:

N/A This korah Yat D Cuwt ative

11. Hour s i n R epor t i ng Per i od......................... '.......

744.0 3,647.0 100,487.0

12. Nueer of Houra R eac t or was Cr i t i c al.....................

687.9 2,193.9 81.929.8

13. Reac t or R eserve thutdown Hours...........................

56.1 164.9 6,222.3 to. Hours Cenorator 0n Line..................................

683.2 2,143.9 80,918.3

15. Uni t Reserve shut down Hours..............................

0.0 0.0 0.0

16. Cross Thermal Ener gy Gener a t ed (it.IH )..................... 1,949,702.7 5,634,758.2 217,451,891.3 1P. Gc oss E lec trical Energy Generated (MWM)..................

643,876.0 1,846,234.0 71,226,360.0

18. N et E lec t ri cal Ener gy Genera t ed (MWH )....................

611.855.0 1.749,477.0 68,249,210.0

19. Unit Service factor......................................

91.8%

58.8%

80.5%

20. Unit Avaltability Factor.................................

91.8%

58.8%

80.5%

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

90.5%

$2.8%

75.4%

22. Uni t Capac i ty F ac t or (us i ng DE R Ne t ).....................

90.7%

52.9%

74.9%

23. Forced outage Rate.......................................

0.0%

1.2%

5 74 j

24. Shutdowns Scheduled Over Next 6 Months (*ype, Date, and Duration of Each):_W/A

25. If Shutdown at end of Report Period, estimated time of Startup:

N/A 26.' Units In Test status (Prior to Ccmaercial operation):

l Forecast Achieved 1NITIAL CRiflCAlliY INITIAL ELECTRICITY CCMMERCI AL OPikAflON l

[.

~,_ _ _ _ _,

.~

.

• i c

. ' ~f' i AV'ERAGE DAILY UNIT POWER' LEVEL Docket No.:

50-339 Unitt' NA-2

Datet, June-1, 1992 Conts. tut t G.

E. Kand Phones (703) 894-2101 MONTH:

May 1992

, DAY AVERP.GE-DAILY POWER' DAY AVERAGE DAILY LEVEL LEVEL ~(MWe-Net)

LEVEL (MWe-Nat) l' 909' 17 909 2

908-=

18 910 3

908~

19 910 4:

909 20 910 5

911-21 910 6

912 22 893

'I 912 23 26 8

913 24

-0 9-914 25 69 10 913 26 854 11 910 27 909

- 12 '

912 28 908

-131 910-

.29 908

~14:

909' 30 907

-15 910 31 902

. s.

16.'

910:

r Instructions-on'this-format,clist the average daily unit power' level in MWe-Notifor each: day ~.in the-reporting-month.

Compute to the nearest whole megawatt.

n l-d

's

~

UNIT SHUTDOWNS AIC POWER REDUCTIONS h.

DOCKET NO.:

50-339 UNIT NAME:

NA-2 DATE: June 1, 1992 REPORT MONTH: May 1992 CONTACT:

G.

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

l l

1 1

2 3

4 5

! Mo.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)

Shutting Event Code Code Action to Down Reactor Report /

Prevent Recurrence 92-04 920523 S

60.8 B

1 N/A TD N/A Planned outage for Lube Oil System Maintenance.

s.

Method 4:

1: Type 2: Reason F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions 2= Manual Scram for preparation of Data S= Scheduled B= Maintenance or Test 3= Automatic Scram Entry Sheets for Licensee C= Refueling D= Regulatory Ret i.ction 4= Continuations Event Report (LER) File E= Operator Traini.,g E License Examination 5= Load Reduction (NUREG-0161)

F= Administrative 9=Other 5:

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

? age 1

of _,_2 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-339 Report Month tiny Unit Name NA-2 Yeart 1992 Date: June 1.

1992

Contact:

G.

E.

Kane

1. 92-04 May 22, 1992 Commenced unit ramp-down at 0.3%/ min for planned ibin Turbine Lube Oil System maintenance outage.

May 23, 1992 Main Generator off-line and unit entered Mode 2 at 0235 hours0.00272 days <br />0.0653 hours <br />3.885582e-4 weeks <br />8.94175e-5 months <br />.

Unit entered Mode 3 at 0314 hours0.00363 days <br />0.0872 hours <br />5.191799e-4 weeks <br />1.19477e-4 months <br />.

May 25, 1992 Unit entered Mode 2 at 1116 hours0.0129 days <br />0.31 hours <br />0.00185 weeks <br />4.24638e-4 months <br />.

Unit entered Mode 1 at 1430 hours0.0166 days <br />0.397 hours <br />0.00236 weeks <br />5.44115e-4 months <br />.

Main Generator on-line at 1524 hours0.0176 days <br />0.423 hours <br />0.00252 weeks <br />5.79882e-4 months <br />.

Unit stable at approximately 30% power for Chemistry hold at 1625 hours0.0188 days <br />0.451 hours <br />0.00269 weeks <br />6.183125e-4 months <br />.

Commenced unit ramp-up to full power at 2320 hours0.0269 days <br />0.644 hours <br />0.00384 weeks <br />8.8276e-4 months <br />.

May 26, 1992 Unit stable at 99.2% power with all turbine valves full open at 0515 hours0.00596 days <br />0.143 hours <br />8.515212e-4 weeks <br />1.959575e-4 months <br />. Commenced throttling open the bypass valves for the first point Feedwater heaters to reach 100% power at 1707 hours0.0198 days <br />0.474 hours <br />0.00282 weeks <br />6.495135e-4 months <br />.

Unit stable at 100% power with first point Feedwater heater bypass valves partially open at 1759 hours0.0204 days <br />0.489 hours <br />0.00291 weeks <br />6.692995e-4 months <br />.

NORTH ANNA POWER STATION UNIT NO.:

2 MONTH May

SUMMARY

OF CPERATING EXPERIENCE Page 1 of 2 Listed below in chronological sequence is a

summary of operating experiences for this month which requirLJ load reductions or resulted in significant non-load related incidents.

Date Time Data May 01, 1992 0000 Began month with unit at 99% power, 949MWe.

May 07, 1992 1500 Commenced throttling open the bypass valves for the first point Feedwater heaters in order to reach 100%

power.

1630 Unit stable at 100% power, 959MWe, with first point Feedwater heater bypass val' ras partially open.

May 11, 1992 1420 Decreasing MWe and Main Condenser vacuum.

Entered appropriate Abnormal Operating procedure.

Reduced power to 95% power.

1546 Commenced unit ramp-up to 100%

power.

1630 Unit stable at 100% power, 955MWo.

May 22, 1992 2148 Commenced unit ramp-down at 0.3%/ min for planned Main Turbine Lube oil system maintenance outage.

May 23, 1992 0235 Main Generator off-line.

Unit entered Mode 2.

0314 Unit entered Mode 3.

May 25, 1992 1116 Unit entered Mode 2.

1430 Unit entered Mode 1.

1524 Main Generator on-line.

1625 Unit stable at approximately 30%

power for Chemistry hold.

2320 Commenced unit ramp-up to full power.

NORTH ANNA PODER STATION UNIT NO.

2 MONTH:

May HUMMARY OF OPERATING EXPERIE][QE Page 2 of 2 May 26, 1992 0515 Unit stable at 99.2% power, 909MWe, with all Turbine valves full open.

1707 Commenced throttling open the bypass valves for the first point Feedwater heaters in order to reach 100%

power.

1759 Unit stable at 100% power, 952MWe, with first point Feedwater heater bypass valves partially open.

May 31, 1992 2400 Ended month with unit at 100% power,

954MWe,