ML20154H400

Monthly Operating Repts for Sept 1998 for North Anna Power Station,Units 1 & 2.With

ML20154H400
Person / Time
Site:	North Anna
Issue date:	09/30/1998
From:	Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
98-608, NUDOCS 9810140166
Download: ML20154H400 (10)

Text

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VINGINIA ELECTRIC AND POWER COMPANY Ricitwonn,VIHOINIA 20201 October 9,1998 United States Nuclear Regulatory Commission '

Serial No.98-608 i

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 MONTHLY OPERATING REPORT Enclosed is the September 1998 Monthly Operating Report for North Anna Power Station Units 1 and 2.

i i

Very truly yours, tuAW W. R. Matthews Site Vice President Enclosure 1

Commitments made in this letter: None.

cc:

U. S. Nuclear Regulatory Commission l

Region ll Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303

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Mr. M. J. Morgan NRC Senior Resident inspector North Anna Power Station 9810140166 990930 '~

PDR ADOCK 05000338 R

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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT SEPTEMBER 1998 b

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Approved:

Site Vice President Date I

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i I-OPERATING DATA REPORT Docket No : Sc 338 Date:

10/05/98

Contact:

W. R. Matthews l-Telephone: (540) 894-2101 1.

Unit Name:

North Anna Unit 1 2.

Reporting Period:.

September,1998

)

i:

3.

. Licensed Thermal Power (MWt):.

2,893 4.

Nameplate Rating (Gross MWe):.

979.74

)

5.

Design Electrical Rating (Net MWe):

907

6. - Maximum Dependable Capacity (Gross MWe):

940 i

l.

7.

Maximum Dependable Capacity (Net MWe):.

893 8; if Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

N/A 9.

Power Level To Which Restricted, if Any (Net MWe): N/A 10; Reasons For Restrictions, if Any:

N/A This Month Year-To-Date Cumulative

11. Hours in Reporting Period 720.0 6.551.0 177,731.0

12. Hours Reactor Was Critical 289.3 6,120.3 139,375.3

13. Reactor Reserve Shutdown Hours 14.0 14.9 7,109.9

14. Hours Generator On-Line 288.6 6,061.6 136,229.0

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 829,075.8 17,414,868.1 367,949,340.6

17. Gross Electrical Energy Generated (MWH) 269,615.0 5,674,967.0 157,845,620.0

18. Net Electrical Energy Generated (MWH) 256,230.0 5,396,315.0 114,540,498.0

19. Unit Service Factor 40.1 %

92.5 %

76.6%

20. Unit Availability Factor 40.1 %

92.5 %

76.6 %

21. Unit Capacity Factor (Using MDC Net) 39.9%

92.2%

72.1 %

i

22. Unit Capacity Factor (Using DER Net) 39.2 %

90.8 %

71.1 %

23. Unit Forced Outege Rate 0.0%

1.0%

8.0%

24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

N/A

25. If Shut Down at End of Report Period, Estimated Date of Start-up:

October 7,1998

26. Unit in Test Status (Prior to Commercial Operation):

FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY l

COMMERCIAL OPERATION l

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AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 Unit Name: North Anna Unit 1 Date: 10/05/98 Contact W. R. Matthews Telephone: (540) 894-2101 MONTH:

September,1998

{

Average Daily Power Level Average Daily Power Level Day (MWe - Net)

Day (MWe - Net) -

1 892 17 000 2

892 18 000 i

3 893 19 000 4

893 20 000 5-894 21 000 i

l 6

893 22 000 l

7' 893 23 000 8

894 24 000 9

895 25 000 f

10

'898 26 000 11 898 27 000 l

1 12 841 28 000 13 001 29 000 14 000 30 000 15 000 f

16 000 J

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.-

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)

Docket No.: 50-338 Unit Name: North Anna Unit 1 Date: 10/05/98 Contact W. R. Matthews Telephone: (540)894-2101 NORTH ANNA POWER STATION UNIT NO.:_j, MONTH: September 1998 -

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 1 l

. Usted below in chronological sequence is a summary of operating expenences for this month which required load reductions or resulted in significant non-load related incidents.

i Edf E!DS 988 i

September 01,1998 0000 Began month in Mode 1, at 100% power, 933 MWe.

j September 12,1998 2015 Commenced ramping Unit 1 off-line for a refueling outage.

I September 13,1998 0038 Opened G-12 breaker. Unit 1 is off-line.

September 21,1998 1745 Unit 1 is defueled.

September 28,1998 0214 Unit 1 core on-load is complete.

September 30,1998 2400 Ended the month in Mode 5.

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l Docket No.: 50-338 l

Unit Name: North Anna Unit 1 Date: 10/05/98

Contact:

W. R. Matthews Telephone: (540) 894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EQUAL To on GREATER THAN 20%)

REPORT MONTH: September,1998 (1)

(2)

(3)

(4)

(5)

Method Duration of LER No.

System Component Cause & Corrective Action l

Date Type Hours Reason Shutting Code Code to Prevent Recurrence Down Reactor 9-13-98 S

430 hrs.

C 1

NA NA NA 1998 scheduled refueling utage.

40 min.

(1)

(2)

(3)

F: Forced REASON:

METHOD:

S: Scheduled A-Equipment Failure (Explain) 1 - Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Other (Explain)

E-Operator Training & Licensing Examination F-Administrative G-Operational Error (Explain)

(4)

(5)

Exhibit G Instructions for Preparation of Data Entry Sheets Exhibit 1 - Same Source for Licensee Event Report (LER) File (NUREG 0161) f i

______,m

=

1

}

OPERATING DATA REPORT Docket No.: 50-339 Date:

10/05/98

Contact:

W. R. Matthews Telephone: (540) 894-2101 1,

Unit Name:

North Anna Unit 2 2.

Reporting Period:.

September,1998 3.

Licensed Thermal Power (MWt):.

2,893 4.

Nameplate Rating (Gross MWe):

979 5.

Design Electrical Rating (Net MWe):.

907 6.

Maximum Dependable Capacity (Gross MWe):..

944 1

7.

Maximum Dependable Capacity (Net MWe):.

897 8.

If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

N/A 9.

Power Level To Which Restricted, if Any (Net MWe): N/A 10.

Reasons For Restrictions, if Any:

N/A This Month Year-To-Date Cumulative 11.

Hours in Reporting Period 720.0 6,551.0 155,999.0

.12.

Hours Reactor Was Critical 703.2 5,864.8 131,579.2 13.

Reactor Reserve Shutdown Hours 16.4 57.3 7,241.5 14.

Hours Generator On-Line 699.5 5,842.1 130,364.3 15.

Unit Reserve Shutdown Hours 0.0 0.0 0.0 16.

Gross Thermal Energy Generated (MWH) 2,011,445.1 16,544,902.6 357,338,082.6 17.

Gross Electrical Energy Generated (MWH) 648,867.0 5,372,031.0 118,874,545.0 18.

Net Electrical Energy Generated (MWH) 616,337.0 5,103,782.0 111,631,750.0 19.

Unit Service Factor 97.1 %

89.2 %

83.6 %

20.

Unit Availability Factor 97.1 %

89.2 %

83.6 %

21.

Unit Capacity Factor (Using MDC Net) 95.4 %

86.9 %

79.6%

22.

Unrt Capacity Factor (Using DER Net) 94.4 %

85.9 %

78.9 %

23.

Unrt Forced Outage Rate 2.9%

0.3%

4.9%

i

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

None 25, if Shut Down at End of Report Period, Estimated Date of Start-up:

N/A

26. Unit in Test Status (Prior to Commercial Operation):

FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION n

AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-339 Unit Name: North Anna Unit 2 Date: 10/05/98

Contact:

W. R. Matthews Telephone: (540) 894-2101 l

month:

September,1998

')

Average Daily Power Level Average Daily Power Level Day (MWe - Net)

Day (MWe - Net)

'1 886 17 759 2

887 18 089 3

386 19 867 4

887 20 884 5

888 21 886 6

887 22 886 7

887 23 886 8

889 24 890 i

9 890 25 889 10 887 20 888 11 888 27 888 12 890 28 890 1

13 887 29.

890 14 887 30-890 l

15 886 16

-885 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.

l Docket No.: 50-339 Unit Name: North Anna Unit 2 Date:

10/05/98

Contact:

W. R. Matthews Telephone: (540) 894-2101 NORTH ANNA POWER STATION UNIT NO.:.2 MONTH: Septeminr 1998

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 1

' Listed below in chronolo;ical sequence is a summary of operating experiences for the month which required load reductions or resulted in significant non-load related incidents.

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Time Qala September.1,1998 0000 Began the month in Mode 1,100% power,933 MWe.

j September 17,1998 2032 Unit 2 reactor trip due to lightning strike.

j September 18,1998 0000 Unit stable in Mode 3. Reactor trip recovery in progress.

l 1236

' Commenced reactor startup.

1321 Reactor critical.-

1404 Entered Mode 1.

1705 Unit 2 is on-line.

2127 Started 2-FW-P-1A. Commenced ramp to 100% power.

September 19,1998 0410 Unit 2 at 100% power,933 Mwe.

September 30,1998 2400 Ended the month in Mode 1,100% power, 935 MWe.

)

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Docket No.: 50-339 Unit Name: North Anna Unit 2 Date: 10/05/98

Contact:

W. R. Matthews Telephone: (540) 894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EcuAL To oR GREATEN THAN 20%)

Report MONTH: September,1998 I

(1)

(2)

(3)

(4)

(5) i Method Duration of LER No.

System Component Cause & Corrective Action Date Type Hours Reason Shutting Code Code to Prevent Recurrence Down Rx I

l 9-17 98 F

20 hrs.

H 3

N2 Lightning strike caused 004-00 33 min.

automatic reactor trip.

i I

i.

l I

-(1)

(2)

(3)

F: Forced REASON:.

METHOD:

S: Scheduled A-Equipment Failure (Explain) 1 - Manual B-Maintenance or Test 2-Manual Scram

-C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Other (Explain) l-E-

Operator Training & Licensing Examination F-Administrative G-Operational Error (Explain)

(4)

(5)

Exhibit G -Instructions for Preparation of Data Entry Sheets Exhibit 1 - Same Source for Licensee Event Report (LER) File (NUREG 0161) l.

i,'

-