ML20236M338

Monthly Operating Repts for June 1998 for North Anna Power Station,Units 1 & 2

ML20236M338
Person / Time
Site:	North Anna
Issue date:	06/30/1998
From:	Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
98-408, NUDOCS 9807140028
Download: ML20236M338 (10)

Text

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VIMOINJA ELECTRIC AND Pownu COMPANY RIcuxown, VIRGINIA 20261 July 8,1998

. United States Nuclear Regulatory Commission Serial No.- 98-408-Attention: Document Control Desk NAPS /JHL Washington, D. C. 20555 Docket Nos. 50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS.1 AND 2 j MONTHLY OPERATING REPORT Enclosed is the June 1998 Monthly Operating Report for North Anna Power Station-

. Units 1 and 2.-

Very truly yours, m W. R. Matthews Site Vice President Enclosure-

' Commitments made in this letter: None, cc: U. S. Nuclear Regulatory Commission l .. Region il L . Atlanta Federal Center  !

- 61 Forsyth St., SW, Suite 23T85 4 Atlanta, Georgia 30303

. /gN ,

. Mr. M. J. Morgan h

NRC Senior Resident inspector North Anna Power Station W ADOCK 1 R _,.

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VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH: June Year: 1998 Approved:

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e OPERATING DATA REPO;T DOCKET NO. bO-330 DATE JULY 5, 1998

, , CONTACT 1 W. R. Matthet.s PHONE: ($40) 894-2101 OPERATING STATUS

1. Unit Names. . . . .. . . North Anna 1 2, Reporting Periods . . . . .. . . JUNE

3. Licensed thermal Power (MWtit. .. . . 2,093

4. Namep1ste Rating (Gross MWelt. ... 979.74

6. Design Electrical Rating (Not MWe)s.. . .. . 907

6. Maximum Dependable Capacity (Gross MWelt., . 540 7 Maximus Dependable Capacity (Net MWe) .... . . 893

8. If changes ocevr to Capacity Ratings (Iteams 3 thru 7) sihce last report, give reasonas N/A

9. Power level to which sestricted, if any (het MWe) s N/A

20. Reasons for testrict] w , if anyt N/A This Month Y-t-D Cumulative

11. Hours in Reporting Period.. . . . .. . . 720.0 4,343.0 1?5,523.0

12. Number of House Reactor was Critical. . .. . . . . 720.0 4,343.0 137.598.0

13. Reactor Reserve Shutdown Hours. . . . ... . 0.0 0.0 7,095.0

14. Hours Generator On-Line.. ... . . .. . , . 720.0 4,343.0 134,610.4 ab. Unit keserve Shutdown Hours.. .. . . . 0.6 0.0 0.0

16. Gross Thermal Energy Generated (MWH), . . . 2,071,599.9 12,409,103.4 363,023,655.9 17 Gross Electrical Energy Generat ed (HWH) . . . .. 675,105.0 4,079,407.0 166.250,060.0

18. Het Electrical Energy Generated (MWHl., .. . . . . 641.547.0 3.680,404.0 113,024,b87.0

19. Unit Service Factor., . . .. . .. 100.05 100.04 76.6L

20. Unit Availability Factor. . . . 100.04 200.05 76.65

21. Unit Capacity Factor tusing MDC Net)... . . . 99.85 100.1% 72.0t

22. Unit capacity Factor (using DER Net)... .. . .. .. . .... . 98.25 98.5% 71.05 2J. Forced Outage Rate. , . ... ,, .. 0.04 0.08 8.1%

24. Shutdreens Scheduled Over Next 6 Months (Type, Date, Duration of Eac Refueling Sept . 13, 1998 3b Days kl. If Shutdown at and of Report Period, estimated time of Startupt N/A

26. Units in Test status (Prior to Commercial Operation):

Forecent Achieves INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION i

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AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 Unit: NA-1 Date: July 5, 1998

Contact:

W. R. Matthews__,

Phones (540) 894-2101 MONTH JUNE 1998 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 896 17 897 2 896 18 896 3 896 19 896 4 896 20 696 5 896 21 896 6 896 22 89E 7 896 23 89F 8 896 24 895 9 896 25 894 10 892 26 893 11 771 27 890 12 889 28 894 13 897 29 895 14 897 30 '894 15 897 16 897 l

l Instructions: .

On this format, list the average dai,1y unit power level in MWe-Net for each day in the reporting month. Compute to the nearest I

whole megawatt.

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North Anna Power Station r

Unit No.: 1 Month: June 1998

SUMMARY

OF OPERATING EXPERIENCE i

Page 1 of 1 l 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 l

l June 1,1998 0000 Began the month in Mode 1,100% power, 942 Mwe.

June 10,1998 2220 Commence rampdown to approximately 90% power in preparation to remove "A" waterbox from service.

2317 Secured ramp at 90% power,856 Mwe.

2359 Recommenced rampdown to restore condenser vacuum to <3.5"HG. ABS.

June 11,1998 0020 Stopped ramp to monitor condenser vacuum, 86%

power, 806 Mwe.

1529 Commence rampup to approximately 91% power.

1652 Ramp complete at 89% power,834.2 Mwe.

June 12,1998 0120 Commence ramp to 100% power.

0305 Unit stabilized at 100% power, 943 Mwe.

June 26,1998 2320 Commence rampdown to approximately 92% power for turbine valve freedom test (TVFT).

June 27,1998 0004 Holding power at 92%,872 Mwe.

0045 TVFT complete satisfactory, commence ramp to 100 %

power.

June 27,1998 0130 Ramp complete, unit at 100%,937 Mwe.

June 30,1998 2400 Ended the month in Mode 1,940 Mwe.

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, OPERATING DATA REPORT

( DOCKET NO.t 50-339 DATE JULY $ 1998

. . CONTACT! W. R. Matthews FHONE: (540) 894-2101 OPERATING STATUS

1. Unit Names.. . North Anna 2

2. kaporting Periods. . . . JUNE

3. Licensed Thermal Power (MWt) . . . 2,893

4. Nameplate Rating (Grosa MWe)s, . 979

5. Design Electrical Raticg (Not MWelt.. 907

6. Maximus Dependable Capacity (Gross MWelt. 944 7 Mamieum Dupendable Capacity (Not MWels.. . 897 l

8. If changes occur to Capacity Ratings (Items 3 thru 7) since last report, give reasons: N/A

9. Power level to which restricted, if any (Het MWe): N/A

10. Reasons for restrictions, if anys N/A This Month Y-t-D Cumulative

11. Hours in Reporting Period. . . . .. 720.0 4,343.0 153,791.D

12. Number of Hours Reactor was Critical. . . . .. 720.0 3,672.6 129,380.0

13. koact or Reserve Shatdown Hours. . .. , . .. . 0.0 40.9 7,225.1

14. Hours Generator On-Line. . . . , , .. .. . 720.0 3,654.6 128,176.8

15. Unit Reserve Shutdtm,n Hours. . .. 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH). .. . .. .. 2,076,873.0 10,229,698.2 351,022,878.2

17. Gross Electrical Energy Generated (HWlO... . . 674,903.0 3,331,317.0 314,633,831.0 IB. Net Electrical Energy Generated (MWH). . .. , 641,189.0 3,165,504.0 109,693,472.0

19. Unit Service Factor. . .. ... 100.0% 84.1% 83.3%

20. Unit Availability Factor. .. . . . . 100.04 64.1% 83.36

21. ' Unit Capacity Tactor (using MDC Net).. ... .. . . . 99.34 B1.36 79.3%

22. Unit Capacity Factor (using DER Net). ... .. . . . .. 98.2% 80.4% 70.64

23. Forced Outage Rete.. ,. . . . . 0.0% 0.06 4.9%

24. Shutdowns Scheduled Over Nast 6 Montha (Type, Date, Duration of Each): NONE 25, If Shutdown at end of Report Period, estimated time of startup:

26. Units in Test Status (Prior to Commercial Operation) s Forecast Achieved INITI AL CRITICALITY j INITIAL ELECTRICITY l COMMERCIAL OPERATION _

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AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-339

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Unit NA-2 Date: July 5. 1998

Contact:

W. R. Matthews Phone: (540) 894-2101 MONTH JUNE 1998 l

DAY. AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 895 17 895 2 895 18. 894 3 894 19 895 4 895 20 894 5 895 21 894 6 894 22 894 7 895 23 893 8 895 24 893 9 887 25 892 10 892 26 893 11 860 27 889 12 850 28 880 13 896 23 891 14 896 30 891 15 896 __

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l Instructions:

I 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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North Anna Power Station Unit No.: 2 Month: June 1998

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a summary of operating experiences for the month which required load reductions or resulted in significant non-load related incidents.

Date Time Data June 1,1998 0000 Began the month in Mode 1,100% power,938 Mwe.

June 11,1998 1843 B moisture separator reheater (MSR) outlet valve,2-MS-RSV-18, failed closed due to an EHC leak.

2017 Commence unit rampdown due to increasing steam flow through "A" MSR causing moisture carry-over.

2335 Holding ramp at 73% power,680 Mwe.

June 12,1998 0000 Unit at 72% power,680 Mwe, awaiting repairs to 2-MS-RSV-18.

0316 Repairs complete on 2-MS-RSV-1 B, commence rampup to 100% power.

0539 Unit at 100% power, 942 Mwe, June 30,1998 2400 Ended the month in Mode 1,100% power, 942 Mwe.

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