ML20115B042

Monthly Operating Repts for Sept 1992 for NAPS Units 1 & 2

ML20115B042
Person / Time
Site:	North Anna
Issue date:	09/30/1992
From:	Bowling M, Kane G VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
92-669, NUDOCS 9210150252
Download: ML20115B042 (12)

Text

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q VIHOINI A ELncTHIc AND POWER COh!PANY HICilblOND, VIRGINIA 23261 October 13, 1992-l-

U.' S. Nuclear Regulatory Commission Serial No.92-669 Attention: Docurnent Control Desk NL&P/JMJ:Jmj L

-Washington, D.C. 20555 Docket Nos.

50-338-50-339 License Nos. NPF-4)

NPF,

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[

Gentlemen:

-VIRGINIA ELECTRIC AND POWER-COMPANY.

L HQRTH ANNA POWER STATION UNITS 1.AND 2 l'

MONTHLY OPERATING REPORT

~ Enclosed is the Monthly Operating Report for North Anna Power Station Units 1 and 2 D

for the month of September 1992.

p Very truly yours, q

/k j.

l M. L. Bowling, Manager l

Nuclear Licensing and Programs Enclosure cc.

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

Suite 2000 :

Atlanta, GA 30323

- Mr. M. S. Lesser;

-NRC Senior Recident inspector

. North Anna Power-Station.

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VIRGIN 1A POWER COMPANY NORTil ANNA POWER STATION MONTIILY OPERATING REPORT MO;rril:

Sostegber YEAR:'_1992 Approved:

9 tat 10n Manager

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OPERATikG DATA REPORT l

DOCKET ho.,

50-338 DATE: 0:tober 2, 192 CONTACT: G. E. Kane PHONE: (703) 894 2101 OPERATING STATUS

1.. Uni t Name :............................... N or t h Anna 1 2.

Reporting Periodi.........................$EPTEMdER 1992 3.

Licensed Thermal Power (MWt):.............

2,748

.,, Nameplate Rating (Grow,.(" t):...........

947 5.

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

907 6.

Maximin Deperdable Capacity (Gross MWe):..

f)94

7. ' Maxiam Dependable capacity (het MVe)....

348 8.

If chhnges occur in Capacity Ratings (Items No. 3 thru 7) since last report, give reasorts:_,N/A _

9.

Power level to which restricted. If any (Net MWe): _ N/A

10. Reasons for restrictions, if any N/A This Month Y-t 0 Cunulative

11. Hours in Reporting Period............................

720.0 6,575.0 125,147.0

12. Nunter of Hours R eac t or was Cr i t i cal.....................

720.0 5,03L 3 91,721.8 l

13. Reac tor R earve Shutdown Hours...........................

0.0 36.3

,5,758.0 t

14. Hours Generstor 0n-Line..................................

720.0 5,016.2 88,787.7 15, ' Un i t R ese rve Shut down H our s............................

0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH).................

1,860,476.8 13,465,346.C 236,418.118.4 17 Gross E l ectr ical Energy Generat ed (MWW)..................

611,340.0 4,437,910.0 77,695,757.0

18. Met Electrical Energy Generated (MWM)....................

580,035.0 4,216,356.0 73,570,973.0

19. Uni ? Serv i c e F ac t e r....................................

100.0%

76.3%

70.9%

l

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

100.0%

76.3%

70.9%

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

95.0%

73.8%

65.7%

(

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

88.)%

70.7%

6/.8%

~

l

21. Forced Out e ge R at e........................

v.0%

0.0%

11.7%

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

l I

l

5. If Shutdown at er:d of Report Ptriod, estimated time of Star *up:

N/A

26. Wts in Test Status (Prior to Corrinercial Operation):

j j

Forecast Achieved

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INITIAL CRITICALITY l

i INITIAL ELECTRICITY

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COMMERCIAL' OPERATION

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4 AVERAGE DAILY UNIT POWER LEVEL Docket No.:

50-338 Unit:

NA-1 Dates Oct.

2.

1992

Contact:

G.

E.

Kane Phone:

1703) 894-2101 MONTil:

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

LEVEL (MWe-Net) 1 856-17 798 2

856 18 795 3

855 19 793 4

855 20 783 5

856 21 781 6

856 22 779 7

857 23 764 8

047 24 764 9

839 25 761 10 837 26 754 11 817 27 751 12 829 28 749 13 818 29 741 14 816 30 736 15 814 16 809 l

l l'

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Instructions:

On this fornat, list the average daily unit power level in MWe-Net for each day in the reporting month.

Compute to the nearest l

whole raegawatt.

L

.e UNIT SHUTDOWNS AND POWER REDUCTIONS

^

DOCKET NO.:

50-338 UNIT NAME:-

NA-1 DATE: Oct.

2, 1992 REPORT MONTH: Sep. 1992 CONTACT:

G.

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

2 3

4 5

No.

Date

. Type Duration Reason

' Method of Licensee System componsot cause & Corrective (hrs).

Shutting Event Code Code Ace' on to Down' Reactor Report /

Prevent' Recurrence

No entry this month.

~

._: Type 2: Reason 3: Method 4:

F= Forced.

A= Equipment'Failuce (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=Continuat. ions Event Report (LER) File-E= Operator' Training & License Examination 5= Load Reduction (NUREG-0161)

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

H=Other-(explain)

Exhibit H - Same Source i

4 5

e-

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-__.L_._--.---_.a=,_

.E. -...

Page, 1 o f __1 UNIT SIIUTDOWN AND POWER REQUCTIONS 3

Explanation Shoct Docket No.:

50-338 Report Month Sentember Unit Name:

,IA-1 Year:

1992 Date: Oct.

2, 1992

Contact:

G.

E.

Kano

• No entry this month.

I

riORTH ANNA POWER STATION

~

UNIT NO.: J __

MONTH:

September

SUMMARY

OF OPERATING 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.

Date Time Data September 01, 1992 0000 Began mor.th with unit at 95% power, 903 MWe.

07, 1992 1351 Reactor Coolant boron concentration is n ppm, commenced Unit Coastdown IAW 1-OP-2.2.

08, 1992 1014 Ramped turbine down to reduce Tave 1 F less than Tref IAW 1-OP-2.2, Unit stable 93%, 887 MWe.

11, 1992 0817 Commenced unit ramp-down to 90% power for TVFT-and repairs on Circulating Water Inlet valve to "C" main condenser (1-CW-MOV-101C).

0838 Unit stable at 90% power, 852 MWe.

0935 TVFT completed satisfactorily.

1818 Repairs complete on 1-CW-MOV-101C, commenced unit ramp-up.

1824 Unit stable at 91% power, 876 MWe, 12, 1992 1014 Ramped turbine down IAW 1-OP-2.'i.

Unit stable 90% power, 364 MWe.

16, 1992 1014 Ramped turbine down IAW 1-OP-2.2, Unit stable 89% power, 8 5 MWe.

20, 1992 1014 Ramped turbine down TAW 1-OP-2.2, Unit stable 87% powcr, 830 MWe.

22, 1992 2334 Ramped turbine down.IAW 1-OP-2.2, Unit stable-85% 812 MUs, 23, 1992 2034

1. 1 Throttle valve went shut due to mechanical failure, actuator stem separated from linkage, lost approx. 20 MWe.

i' 25, 1992 0500 Ramped-turbine down IAW 1-OP-2.2, Unit stable 81% power, 778 MWe.

30, 1992 2400 Ended month with unit at 81% power, 778 MWe.

C7ERATING DAT A REPORT DOCKET NO.:

50 339 DATE: October 2, 192 CGdTACT: G. E. Kane PHokis (703) 894*?101 51RAilWG $1ATUS 1.

Un i t

• ee :................................ N or t h Anne 2 2.

R eport f rs. Peri od:........................ 5ept ember 1992

3. - L icensed ther mat Power (MWt ) t............

2673

4. -Nameplate Rating (Gross MWe).............

947 5.

Design Electrical Rating (Net MVe).......

907 6.

Qasimum Dependable Capacity (Gross MWe):..

957 7.

Danimus Dependebt s capacity (Net MWe):....

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 eny (Net kWe):,__N/A

10. mensons for restrictions, if any; N/A l

This Month Y t-D Cumulative i

l

11. Hours in Repw Ur.9 F.riod..............................

720.0 6,5 75. 0 103,415.0 12.11 aber of Nourt Reactor was Critical...................

720.0 5,D99.3 84,835.2 13, ceac tor Reserve shut down Hours.......................

0.0 187.0

• 244.4

.14. Hours Generator 0n-Line.....................

720.0 5,029.7 a3,804.1

15. Unit Reserve shutdown Houra..............................

0.0 0.0 0.0 l

16. Gross Thermal Energy Generat ed (MWH)..................... 2,073,940.4 13,921,172.8 225,738,305.9

(

.17. Gross E l ec t r ica' E nergy Genera t ed ( MWH ).......

J78,945.0 4,560,800.0 73,940,926.0 l

10. Net Electrical Energy Generated (MWH)......

645,114,0 4.329,34C.0 70,829,081.0 h.

19. Unit =crvicf Factor.......................

100.0%

76.5%

81.0%

20. Unit Avaltabit('f Factor.................................

100.0%

76.5%

81.0%

l.

21. Uni t Capac i t y F ac t or ( us i t.g MDC N e t ).......

98.6%

72.4%

76.1%

22. Uni t Capaci ty Fac tor ( using DER Net ).............

98.8%

72.6%

75.5% '

23. F or c ed Out age R a t e....................................

0.0%

1.4%

5.7%

26. $hutdowns Scheduled Over Next 6 M aths (Type, Date, and Curation of Each):_N/A i

l' l

25. If shu-lown at end of Report Period, estimated time of Startup:

N/A _

1.

I

26. Onits in fes* Status (Prior to Convercial Operation):

Forecast Achieved

!NITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL CPERATION

4 AVERAGE DAILY UNIT POWER LEVEL Docket No.:

50-339 Unit:

NA-2 Date:

Oct 2.

1992

Contact:

G.

E.

Kane Phone:

(703) 894-2101 MONTil:

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

LEVEL (MWo-Net) 1 900 17 901 2

900 10 900 3

900 19 900 4

900 20 901 5

900 21 901 6

900 22 900 7

901 23 900 8

900 24 903 9

899 25 903 10 899 26 903 11 899 27 901 32 831 28 901 13 833 29 901 14 900 30 902 15 901 16 901 Instructions:

On this f ormat, list the average daily unit power level in MWe-Net for each day in'the reporting month.

Compute to the nearest whole megawatt.

l

s, UNIT SHUTDOWNS AND POWER REDUCTIONS

]

DOCKET NO.:

50-339 UNIT NAME:

NA-2 DATE: Oct.

2, 1992 REPORT MONTH: Sep. 1992 CONTACT: G.

E.

Kane PHONE: (703) 894-2101 1

2 3

4 5

l No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective l

(hrs)

Shutting Event Code Code Action to Down Reactor Report #

Prevent Recurrence 1

• No entry this month.

l l

3: Method 4:

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

F= Administrative 9=Othe -

5:

G2 Operational Error Exhibit H - Same Source H20ther (explain)

~

Page 1

of __1 UNIT SIIUTDGWN AND POWER REDUCTIONS Explanation Shoot Docket No.:

50-339 Report Month Septgmber Unit Name:

NA-2 Year:

1992 Date: Oct.

2.

1992

Contact:

G.

E.

Kane

• No entry this month.

I i

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.u.

NORTil ANNA POWER STATION "IT NO.:

2 MONTil:

September SVEihBY OF OPERATING 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.

Date Tine DA%A September 01, 1992 0000 Began month with unit at 100% power, 948 MWo.

12, 1992 0748 Commence rampdown to 90% power for TVFT and maintenance on "A"

Main Condenser Waterbox.

OC33 Unit stable at 90% power, 845 MWe.

0933 Completed TVFT satisfactorily.

1100 Removed "A" condenser waterbox from service for maintenance.

13, 1992 1459 "A" condenser waterbox returned to service, commenced ramp to 100%

power.

1621 Unit stable at 100% power, 94 / MWe,

30, 1992 2400 Endc ' month cith unit at 100% power, 948 MWo.

.