ML19210D150

Revised Monthly Operating Rept for Jul 1979

ML19210D150
Person / Time
Site:	North Anna
Issue date:	11/05/1979
From:	Wil Madison VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML19210D121	List: ML19210D120 ML19210D124 ML19210D125 ML19210D129 ML19210D130 ML19210D131 ML19210D132 ML19210D134 ML19210D137 ML19210D140 ML19210D143 ML19210D144 ML19210D145 ML19210D147 ML19210D150 ML19210D152 ML19210D155
References
NUDOCS 7911200588
Download: ML19210D150 (4)

Text

.

VIRGINIA ELECTRIC Af 0 P0'.lER COMPAtlY i;0RTH ANNA POWER STATION MONTHLY OPERATIfiG REPORT MONTH July YEAR 1979 _..

(Revised 11-05-79)

SUBMITTED:

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SUPERINTENDENT - OPERATIONS APPROVED:

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MANAGERU 1367 328 v on200$Ts

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OPERATING DATA ltEPORT DOCKET No. 50-338 DALE.ll:'t:70-COMi LE1ED !!Y _Ml_.lildi Son TI:LEPlf0NE.(703.)E94-5151 OPEIL\\ TING STTTUS florth Anna Unit 1 Notes

1. Unir Name:

2. Reporting Period:

thllX._193 3dVj Mdl

3. Licenxd ThennalPower(MWr):

277_5

4. Nameplate Rating (Grou MWe)-

947 907

5. Design Electrical Ratin;(Net MWe):

6. Maximum Dep. nLble Capacity (Gross MWe):

929

7. Maximum Depend.ible Capacity (Net MWe):

8 %__.

8. If Changea Occur in Capicity Ratia;s (Items Ntunber 3 Thron;h 7) Sinc.r Last Report,Give Reasons-fi/A fl/A

9. Power Level To Which Rorricted,If Any (Net MWe):

10. Resums Fce Restrictions,if Any:

fU.0 This Month

. _ Yr.-to-Date Cumulative

11. ifours in Re; orting Period 744 5 887 10,101__

12. Number O(Ilours Rew:or Was Critical 7'i 4

13. Reactor Resene Shutdown Ilours 0

_ _. 4,152.2 9,199 48.7 145.5

14. Ilours Geaerator On l.ine 744

_/u 01 Q 2,7]J_

15 Unit Resene Shutdown !!ours 0

0 J_

16. Grow The mal Ene.;y Generated (Mwil) 1,98 7_,_'L3 9 10.,S.0L2M 23.,1al.,nx _

17. Gross Electrical Energy Generated (stWil) 620 228

_3A6.6,255

._l 3.EZ.192__.__.

2

18. Net Electrical Energy Generated (MWil) 585,439

_31210.187

._fiJ 3A.2E7_

19. Unit Service Factor 100 80.1 86 4 _

20. Unit Availability Factor 10_0 80.1 86.4

21. Unit Capxity Factor (U>ing MDC Net) 87.6 71 1 yQ

22. Unit Capacity Factor (Using DER Net) 86.4 iO.9 75.7_

23. Unit Forced Outage Rate 0

6. P,_.

3.8_

24. Shutdowns Sc,heduled Over Next 6 Months (Type.Date.and Duration of Each):

Refueling; September, October, !!ovember and December; 12 weeks A

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

26. Units in Test Status (Prior to Conunercial Operation):

Forecast Achies e f INITla L CRI flC.\\ LI TY INI fl AL ELECTRICITY COMMERCIAL OPER ATION i367 329 P,m,

Page 1

of 1

UNIT SHUT 00Wil AtlD POWER REDUCTIONS EXPLAtlATION SHEET DOCKET l'O.

50-333 _

REPORT fiONTH Julv (BevisedyilIT f!AME lorth Anna YEAR 1979 DATE 11-5-79 COMPLETED BY W. R. IMDIS0'l 79-13 (A)

The Unit was brought down to 100 megauatts and 15% power for work on "C" flain Feedwater Pump, P. T. 73.1 main steam trip valve trip test and testing for condenser tube leaks.

Upon completion of the maintenance and testing power escalation was restricted due to Delta Flux and Quadrant Power TILT ratios above normal.

At 0930 on July 15, 1979, the unit was returned to 100%

of full power.

79-14 (A)

The unit was ramped down to 15% power and 100 megawatts due to a blown packing gland on "A" main feed regular valve FCV-1478-A. While down, condenser tube leaks were repaired.

Return to power was limited due to deltalflux penalty points restricting power to < 50% for 24 hours2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> 1367 330

I E

UN:T SHUTDOWNS AND POWER REDUCTIONS 7

_ na )

nar i8-3-/"

comet ETI-u ny W. R. Fadison nEPcRT McNnt _ July 1979 (Revised) a ttr.rncNt 17fal_E94-5151_

.,, i

=

7

4).

Ewerisee E;

91 cause & corrective V

Dm c-

=

I

- G.3 1 nt

3 21 ~

.t n. :n t o

[$

Si

[f Merut t EC

$C Pre.ent Recurrence e

,a 6

79-13 790714 NA NA A*

NA N/A N/A N/A Significant Power Reduction of l

> 20% of the average daily po.ier f

level.*

79-14 790727 NA NA A*

NA N/A N/A N/A Significant Power Reducticn of

> 20% of the average daily power l evel.*

W 0

0 C3 2M 0,

9 2BPJ 69 J i

7M 1

~

'1 4

F Forced Reason:

Method:

ExhiSt G -Instructons b

S S.icdu'ed A-Equipment Failure (Explain) 1 '.bnual for Preparani n of Data B Maintenance of Tes:

2-Man ual Serarn.

Entry Sheets fer Licensee u

C-Refueline 3-Automatic Seram.

Event Report (LERI F: r ( NCREG-U D Regulatory Restriction 4-Ot her ( Expli.n )

0161)

E-Operator Training & Liaense Exan'iiation F-Ad m:nist rative 5

G Operational Error (Explain)

Exhibit 1 - San e 50 nee W/77)

I!-Other (E xplain )

• SEE ATTACHED SHEET