ML20086K150

Monthly Operating Repts for June 1995 for North Anna Power Station Units 1 & 2

ML20086K150
Person / Time
Site:	North Anna
Issue date:	06/30/1995
From:	Stall J VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
Shared Package
ML20086K154	List: ML20086K150 ML20086K164 ML20086K327
References
NUDOCS 9507200035
Download: ML20086K150 (13)

Text

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I VIRGINIA POWER. COMPANY i NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH: June YEAR: 1995 1

Approved:

O  !

Station Manager 9507200035 950713 PDR ADOCK 05000338 R PDR

• . OPERATING DATA REPORT l *

l. .

DOCKET NO.: 50-338 DATE: July 5, 1995 CONTACT: J. A. Stall l PHONE: (703) 894 2101 OPERATING STATUS i

i 1. Unit Name:................................ North Anna 1 2, Reporting Period:............... ......... June 1995

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

4. Nameplate Rating (Gross MWe):............. 994

5. 01 sign Electrical Rating (Net MWe):....... 907

6. Mrximum Dependable Capacity (Gross MWe):.. 948

( '

7. MIximum Dependable Capacity (Net MWe):.... 900 1

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If changes occur in Capacity Ratings (Items No. 3 thru 7) since last report, give reasons: _N/A S.

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

10. R2asons for restrictions, if any: N/A This Month Y-t-D Cumulative

11. Hours in Reporting Period......................... .... . 720.0 4,343.0 149,219.0  ;

12. hanber of Hours Reac t or was Cr i t i cal . . . . . . . . . . . . . . . . . . . . . . 720.0 4,321.6 112,769.4

13. Reac tor Reserve Shutdown Hours. . . . . . . . . . . . . . ........... 0.0 20.9 6,951.4

14. Hours Generator On-Line........ ...................... .. 720.0 4,316.8 109,770.5

15. Unit Reserve Shutdown Hours........ .......... ........... 0.0 0.0 0.0 j

16. Gross Thermal Energy Generated (MWH)...................... 2,082,164.1 12,421,268.6 292,606,848.5  !

17. Gross E lec t ri cal Energy Generated (MWH) . . . . . . . . . . . . . . . . . . . 684,018.0 4,086,277.0 96,161,897.0

18. Net Electrical Energy Generated (MWH).................. .. 650,019.0 3,887,458.0 91,089,744.0

19. Unit Service Factor....................................... 100.0% 99.4% 73.6%

20. Unit Availability Factor.................................. 100.0% 99.4% 73.6%

21. Unit Capacity Factor (using MDC Net)...................... 100.3% 99.5% 68.3%

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22. Unit Capacity Factor (using DER Net)...................... 99.5% 98.7% 67.3%

23. Forced Outage Rate........................................ 0.0% 0.6% 9.6%

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

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

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

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

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AVERAGE DAILY UNIT POWER LEVEL i

Docket No.: 50-338 Unit: NA-1

} Date: Julv 5, 1995 J

Contact:

J. A. Stall Phone: (703) 894-2101 MONTH: June 1995 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net, LEVEL (MWe-Net) 1 904 17 303 2 904 18 903 3 904 19 902 4 904 20 902 5 904 21 903 6 904 22 902 7 904 23 894 8 904 24 903 9 904 25 902 b

10 904 26 902 11 903 27 902 12 903 28 903 13 903 29 903 14 903 30 902 15 903 16 903 _

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.

's

NORTH ANNA POWER STATION l 1

UNIT NO.: 1 l MONTH: June

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 June 01, 1995 0000 Began month with unit at 100% power, 952 MWe.

June 23, 1995 0939 Commenced ramping unit from 100% power, 950 MWe for performance of Turbine Valve Freedom Test (TVFT).

1030 Unit stable at 90% power, 865 MWe.

1148 Turbine Valve Freedom Test completed satisfactory.

1200 Commenced ramping unit from 90% power, 861 MWe following TVFT.

1331 Unit stable at 100% power, 950 MWe.

June 30, 1995 2400 Ended month with unit at 100% power, 938 MWe.

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e Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.: 50-338 Report Month June Unit Name: NA-1 Year: 1995 Date: Julv 5. 1995

Contact:

J. A. Stall

• No entry this month. l I

1

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.: 50-338 UNIT NAME: NA-1 ,

DATE: July 5, 1995 REPORT MONTH: June 1995 CONTACT: J. A. Stall PHONE: (703) 894-2101 .

1 2 3 4 5 No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs) Shutting Event Code Code Action to Down Reactor Report # Prevent Recurrence O No Entry This Month 4

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-0161)

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

H-Other (explain) Exhibit H - Same Source

• OPERATING DATA REPCRT DOCKET NO.: 50-339 DATE: July 5, 1995 CONTACT: J. A. Stall PHONE: (703) 894-2101 OPERATING STATUS

1. Unit Names................................ North Anna 2

2. Rrporting Period:......................... June 1995

3. Li censed Therma l Power (MWt ): . . . . . . . . . . . . . 2893

4. Nameplate Rating (Gross MWe):............. 979

5. Dzsign Electrical Rating (N2t MWe) ....... 907

6. Mixinum Dependable capacity (Gross MWe):.. 935

7. nsximum Dependable Capacity (Net MWe):.... 887

8. If changes occur in Capacity Ratings (!tems No. 3 thru 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 YtD Cumulative

11. Hv 7 in Reporting Period................................. 720.0 4,343.0 127,487.0

12. NLam r of Hours Reac t or has Cr i t i cal . . . . . . . . . . . . . . . . . . . . . . 720.0 2,732.7 105,666.2

13. Reac tor iteserve Shutdown Hours. . . . . . . . . . . . . . . . . . . . . . . . . . . 0.0 1.3 6,510.2

14. Hours Generator On-Line.......... ... .................... 707.4 2,700.9 104,536.6 1

15. Unit Reserve Shutdown Hours............................... 0.0 0.0 0.0 )

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16. Gross Thermal Energy Genera t ed (MWH ) . . . . . . . . . . . . . . . . . . . . . 1,849,601.9 6,724,738.1 283,340,702.1 ,

17. Gross E l ect r i cal Energy Generat ed (MWH) . . . . . . . . . . . . . . . . . . . 605,837.0 2,193,537.0 92,670,394.0 I

18. Net Elec t rical Energy Generat ed (MWH) . . . . . . . . . . . . . . . . . . . . . 573,605.0 2,074,464.0 88,614,432.0

]

19. Unit Service factor........................... ........... 98.2% 62.2% 82.0% !

20. Unit Availability Factor. ................................ 98.2% 62.2% 82.0%

21. Unit Capacity Factor (using MDC Net)...................... 89.8% 53.9% 77.3%

22. Uni t capac i ty F ac t or (usi ng DE R Net ) . . . . . . . . . . . . . . . . . . . . . . 87.8% 52.7% 76.6%

23. Forced Outage Rate........................................ 0.0% 0.0% 5.0%

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

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

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

Forecast Achleyed IN!11AL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION r

. =. _. . - . - . . . . . . . ... .. - . . . _ - . . . . . . .

4:

1 AVERAGE DAILY UNIT POWER LEVEL l

'l Docket No.: 50-339 Unit: NA-2

, ;-- Date: Julv 5, 1995

Contact:

J. A. Stall l Phone: (703) 894-2101 j f

9 MONTH: June 1995 I

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

1 84 17 910

• 2 184 18 909 3 299 19 908 4 586 20 908 ,

5 728 21 907  !

6 799 22 907 7 733 23 908  ;

8 733 24 909 l 9 759 25 908 l 10 908 26 904  :

11 909 27 820  !

12 909 28 910 -l 13 910 29 911  !

14 910 30 909 15 911 16 910 q t

I 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, u

1

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• NORTH ANNA POWER STATION UNIT NO.: 2 MONTH: June

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 2 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 June 01, 1995 0000 Began month with unit stable at 4.7% Reactor  ;

power in Mode 2, waiting for chemistry hold to clear to increase power and go on line following 1995 Refueling / Steam Generator Replacement outage.

June 01, 1995 0931 Unit entered Mode 1.

1239 Unit placed on-line. Commenced ramp-up to 30%

power.

1323 Unit stable at 30% power, 231 MWe.

June 03, 1995 0940 Commenced unit ramp-up following release from Chemistry hold. Unit at 30% power, 231 MWe.

1445 Unit stable at 50% power. Suspended unit ramp-up due to high sulfate concentrations in Steam Generators.

June 1, 1995 0339 Chemistry hold cleared. Commenced unit ramp-up.

1010 Unit stable at 74.5% power, 707 MWe for Chemistry hold.

June 05, 1995 1048 Cleared Chemistry hold. Commenced unit ramp-up. Unit at 75% power, 718 MWe, 1228 Suspended unit ramp-up due to Chemistry Action Level I on sodium in "A" and "C" Steam Generators. Unit at 81.5% power, 779 MWe.

1343 Cleared Action Level for Steam Generator chemistry. Commenced unit ramp-up.

1601 Unit stable at 88% power (nuclear instrumentation) and 100% power (delta temperature).

June 06, 1995 0155 Commenced unit ramp-up following nuclear instrumentation calibration and adjustment.

Unit at 88.3% power, 843 MWe.

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SUMMARY

OF OPERATING EXPERIENCE Page 2 of 2 June 06, 1995 0410 Secured unit ramp-up to allow power level verification. Unit at 96% power (nuclear instrumentation) and 95% power (calorimetric) ,

900 MWe.

1435 Commenced unit ramp-down due to decreasing Main Condenser vacuum.

1512 Unit stable at 84 % ' power, 782 MWe. Main Condenser vacuum returning to normal.

1800 Chemistry hold cleared. All secondary-parameters within specifications. Commence condenser waterbox leakage testing.

June 09, 1995 1645 Commence power increase after waterbox maintenance.

June 10, 1995 0023 Unit stable at 100% power, 948 MWe.

June 27, 1995 1228 Commenced ramping unit off-line due to failure of "B" Solid State Protection PT (action of T.

S. 3.3.1.1 and 3.3.2.1). ,

1 1413 Unit ramp-down secured at 33% power, 266 MWe, 1416 "B" Train of Solid State Protection declared l operable. l l

1438 Commenced unit ramp-up to 100% power. Unit at 34.5% power, 270 MWe. ,

1743 Stopped unit ramp-up for calorimetric calibration of nuclear instrumentation. Unit at 90% power, 857 MWe.

1750 Commenced unit ramp-up to 100% power.

1835 Unit stable at 100% power, 951 MWe.

June 30, 1995 2400 Ended month with unit stable at 100% power, 950 i Mwe.

Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.: 50-339 f

Report Month June Unit Name: NA-2 Year: 1995 Date: July 5, 1995

Contact:

J. A. Stall

1. 95-02 Power reduction initiated from 100% power due to failure of "B" Solid State Protection Testing on June 27, 1995 at 1228 hours0.0142 days <br />0.341 hours <br />0.00203 weeks <br />4.67254e-4 months <br />. Ramp terminated at 33% power June 27, 1995 at 1413 hours0.0164 days <br />0.393 hours <br />0.00234 weeks <br />5.376465e-4 months <br />, i

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DOCKET NO.: 50-339

• UNIT NAME: NA-2 DATE: July 5, 1995 REPORT MONTH: June 1995 CONTACT: J. A. Stall PHONE: (703) 894-2101 '

1 2 3 4 5 3 No. Date Type Duration Reason P-athod of Licensee System Component Cause & Corrective  !

(hrs) Shutting Event Code code Action to y Down Reactor Report # Prevent Recurrence .

6 95-02 950627 F 0 B/A 5 N/A N/A N/A N/A g y

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n G

1: Type 2: Reason 3: Method 4: 3 F= Forced A= Equipment Failure (explain) 1= Manual S= Scheduled B= Maintenance or Test 2= Manual Scram Exhibit F- Instructions $

C= Refueling 3= Automatic Scram for preparatict' tta Entry Sheets -_ __censee f

M D= Regulatory Restriction E= Operator Training & License Examination 4= Continuations 5= Load Reduction Event Report (LER) File y (NUREG-0161) .it F= Administrative 9=Other gy G= Operational Error 5: N H=Other (explain) Exhibit H - Same Source h-M

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Corrected Page May 1995 North Anna Monthly Operating Report i

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