ML19242D025

Monthly Operating Rept 79-07 for Jul 1979

ML19242D025
Person / Time
Site:	Yankee Rowe
Issue date:	08/10/1979
From:	Sjogren R YANKEE ATOMIC ELECTRIC CO.
To:
Shared Package
ML19242D020	List: ML19242D019 ML19242D025
References
79-07, 79-7, NUDOCS 7908140373
Download: ML19242D025 (5)

Text

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YANKEE ATOMIC NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 79-07 FOR THE MONTH OF JULY, 1979 655 l,; g 7908140 3 7 3

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OPERATING DATA REPORT DOCKET NO. 50-29 DATE 700R10 COi!PLETED BY R. Sf. Sioeren TELEPHONE (617) 366-9011 X2281 OPERATING STATUS

1. Unit Name:

Yankee Rowe N0l'8

2. Reporting Period:

July 1979 600

3. Licensed Thermal Power (AlWt):

185

4. Nameplate Rating (Gross 31We):

175

5. Design Electrical Rating (Net SIWE):

180

6. Staximum Dependable C2pacity (Gross 31We):

7. Sf aximum Dependable Capacity (Net SIWE):

175

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

9. Power Level To hhich Restricted.!f Any (Net $1We):

1555'e

10. Reasons For Restrictions. !f Any:

Boiler feed ouen inoperative

[

s This 51onth Yr..to.Date Cumulative 744 5,087

11. Hours In Reportin2 Period

12. Number Of Hours Reactor Was Critical 744 4.889.5 136.080.4

13. Reactor Reserve Shutdown Hours 0

0 0

14. Hours Generator On.Line 744 4.878.78.

131,756.78

15. Unit Reserve Shutdown Hours 0

0 0

16. Gross Thermal Energy Gerterated (5tWH) 418.865 2.851.859 70,425,404

17. Gross Electrical Energy Generated (5tWH) 134.182.7_,

899,087.8 21,660.035.8

18. Net E!cetrical Energy Ger.erated (5thH) 126,033.5 845,212 20,279,092.68

19. Unit Service Factor 100 95.9 80.3

20. Unit Availability Factor 100 05.0 80.3

21. Unit Capacity Factor (Using S!DC Net) 46.8 04.9 73.4

22. Unit Capacity Factor (Using DER Net) 96.8 94.9 73.4

23. Unit Forced Outage Rate 0.0 3.5 1.7

24. Shutdowns Scheduled Over Next 6 Stonths (Type. Date,and Duration of Each1:

Per I & E Bulletin 79-13 September 8, 1979 1 Week

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

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

Forecast Achiesed INITIA L CRIT!CAI ITY INITIAL ELECTRICITY CO\\l51ERCIA L OPER ATION OJ3 l9)

(9/77)

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-29 UNIT Rove DATE 790810 COMPLETED BY R.M. Siogren TELEPHONE (617) 366-9011 X2281 MONDI July 1979 DAY AVER AGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe Net)

(Mwe.Nec 3 172.1 l

169.4 37 2

170.3 172.4 g3 172.7 3

172.4 g9 4

171.0 20 172.5 172.5 5

170.R 21 171.9-6 125.9 22 171 2 7

166.4 23 S

171.1 171.1 24 9

170.9 170.6 25 10 1 71. 8 26 170.1 169.9 Ii 171.5

7 1

171.4 169.6 73 13 171.5 168.7

,9 14 171.7 168.2 30 15 171.9 168.5 3

16 171.5 INSTRUCTIONS On this format. list the average daily unit power level in MWe Net for each day in the reporting month. Compute to the ne: rest whole megawatt.

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DOCKET NO.

50-29 UNIT Rowe DATE 790810 COMPLETED BY R.M.

Siogren TELEPHONE (617) 366-9011 X2281 REPORT MONTH July 1979 SU'41ARY OF OPERATING EXPERIENCES 7/6 At 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br /> a load reduction was begun to perform turbine throttle and control valve exercise. At 0800 hours0.00926 days <br />0.222 hours <br />0.00132 weeks <br />3.044e-4 months <br /> with plant load at approxi-mately 140 MWe the valve exercise was commenced. At 0925 hours0.0107 days <br />0.257 hours <br />0.00153 weeks <br />3.519625e-4 months <br /> the exercise was completed but load was reduced to 80 MWe to repair LCV-402 on the heater drain pump discharge line. At 1530 hours0.0177 days <br />0.425 hours <br />0.00253 weeks <br />5.82165e-4 months <br /> commenced load increase. At 2020 hours0.0234 days <br />0.561 hours <br />0.00334 weeks <br />7.6861e-4 months <br /> a hold at 155 MWe to correct a problem with No. 3 Boiler feed pump motor.

7/7 At 0315 hours0.00365 days <br />0.0875 hours <br />5.208333e-4 weeks <br />1.198575e-4 months <br /> the feed pump was released from maintenance and load was increased. At 0604 hours0.00699 days <br />0.168 hours <br />9.986772e-4 weeks <br />2.29822e-4 months <br /> the plant was at full load.

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