ML19269C897

Monthly Operating Rept 79-01 for Jan 1979

ML19269C897
Person / Time
Site:	Yankee Rowe
Issue date:	02/12/1979
From:	Sjogren R YANKEE ATOMIC ELECTRIC CO.
To:
Shared Package
ML19269C896	List: ML19269C895 ML19269C897
References
79-01, 79-1, NUDOCS 7902200048
Download: ML19269C897 (4)

Text

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YANKEE ATOMIC NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 79-01 FOR THE MONTH OF JANUARY, 1979 7 9 0 2 2 0 0 0 4/t

OPERATING DATA REPORT 0-29 DOCKET NO.

DATE 790212 COSIPLETED BY R.M.Sjoeren TELEPl!ONE (617)166 0011 X2281 OPERATING STATUS N tes

1. Unit Name:

Yankee Rowe

2. Reporting Period:

January, 1979 600

3. Licensed Thermal Power t.\\lWt):

185

4. Nameplate Rating (Gross SIWE):

5. Design Electrical Rating (Net alwe):

175

6. Sf aximum Dependable Capacity (Gross SIWE): _ 180

7. Slaximum Dependable Capacity iNet 31We):

I75

8. If Changes Occur in Capacity Ratings tirems Number 3 Through 7) Since Last Report. Gise Reasons:

9. Power Lese! To which Restricted,If Any (Net.\\lWe):

10. Reasons For Restrictions,If Any:

This Slonth Yr..t o.Da t e Cumulative 744 744

11. Ilours In Reporting Period I I'9 0*7

12. Number OfIlours Reactor Was Critical 0

0 0

13. Reactor Reserve Shutdown llours

14. Ilours Generator On-Line 733.8 733.8 127,611.8

15. Unit Reserve Shutdown flours 0

0 0

16. Gross Thermal Energy Generated (31Wil) 421,572 421,572 67,995,117.11

17. Gross Electrical Enargy Generated (51Wii) 134,758 4,

134,758.4 20,895,706.4

18. Net Electrical Energy Generated talWII) 126,643.5 126,643.5 19,560,524.9 96.6 98.6 79.9

19. Unit Service Factor

20. Unit Asailability Factor 98.6 98.6 79.9

21. Unit Capacity Factor (Using.\\lDC Net) 97.3 97.3 72.5 97.3 97.3 72.5

22. Unit Capacity Factor (Using DER Net) 1.4 1.4 1.6

23. Unit Forced Outage Rate

24. Shutdowns Scheduled Oser Next 6.\\lonths (Type. Date,and Duration of Each):

Maintenance Shutdown February 24, 1979 for 48 hours5.555556e-4 days <br />0.0133 hours <br />7.936508e-5 weeks <br />1.8264e-5 months <br />.

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

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

Forecast Achiesed INITIAL CRITICALITY INITIA L ELECTRICITY Coil.\\lERCIAL OPER ATION (9/77)

AVERAGE DAILY UNIT POWER LEVEL 50-29 DOCKET NO.

UNIT Yankee Rowe D ATE 790212 C0\\lPLETED BY R.M.

Slocren TELEPliONE(617) 366-9011 X2281 510NT11 January, 1979 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAll.Y 90WER L EVEL (51We Net)

(51We-Net )

166.6 174.9 y

,7 168.1 174.9 y

33 3

174.4 19 174.7 4

17, e 20 174.9 174.7 175.0 5

21 174.8 77.2 6

22 175.0 7

23 146.2 174 9 24 172.7 8

174.9 174.7 9

25 174.9 174.0 10 26 174.9 gg 27 1 74.9 174*9 174.9 12 2S 174.9 174.8 13

,9 175.0 30 174.9 174.9 15 31 16 174.9 INSTRUCTIONS On this format, list the average daily unit power lesel in SlWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

(9/77) 9

50 ?9 UNITSilU1 DOWNS AND POWER REDUCTIONS DOCK ET NO.

Iankee Rowe UNIT N AM E DATE 70n,1, REPORT MONTil J nuary,_ 1979 COMI'L E El Y X2281 I

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$YQ Licensee

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{'a Cause & Corrective o

o No.

Date g

3 Ej

,3 g 5 Event Fg el Action in

$E 5

3 (5 c Repor t **

LE U SU Prevent itecurrence H

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5 u

l' 1/22/79 F

10.2 A

Turbine contro1 valve NO. 2 t urbin' Auto-servo motor oscillated during contro matic low power-to be fixed during system Scram Feb. 24th S/0

( scill a-t ions 1

2 2

4 11 Finted Iteason:

Me tho11:

Exinbii G. Instructions S. Stheduled A Eiluipment Failure (Explain) 1 Manual for Picp.iration of Data ll Maintenance or Test 7 Manual Serain.

Entry Shecis for 1.ieensee C-Itclucting 3-Automatic Scrain.

Event IteporI (Llitti File INUllEG-D.Itegulatory itestiiction 4-Other (Explain) 0161)

ILOpciator liaining,1 License Examination F-Aih ni ni,t u s ive 5

G Opceational I e sor (1:.xpl.on)

Exluhit !- Same Sonsce 08/17)

II Othes (lixplain)

DOCKET NO.

50-29 UNIT Yankee Rowe DATE 790212 COMPLETED BY R.M. Sjogren TELEPHONE (617) 366-90ll X2281 REPORT MONTH January, 1979 SUM:!ARY OF OPERATING EXPERIENC S, 1/22 At 0800 hours0.00926 days <br />0.222 hours <br />0.00132 weeks <br />3.044e-4 months <br /> commencea load reduction for throttle and control valve exercises. At 1055 hours0.0122 days <br />0.293 hours <br />0.00174 weeks <br />4.014275e-4 months <br /> a reactor scram occurred due to low main coolant system pressure. At 2008 hours0.0232 days <br />0.558 hours <br />0.00332 weeks <br />7.64044e-4 months <br /> the reactor was b rought critical. At 2109 hours0.0244 days <br />0.586 hours <br />0.00349 weeks <br />8.024745e-4 months <br /> the generator was phased on the line. A hold was necassary at 30 >Ne to allow steam generator chloride concentration to return to normal.

1/23 At 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br /> steam generator chloride concentration was reduced to

< 0.5 ppa and load increase was begun. At 1100 hours0.0127 days <br />0.306 hours <br />0.00182 weeks <br />4.1855e-4 months <br /> load was held at 182 MWe to allow xenon to reach equilibrium.

1/24 At 1100 hours0.0127 days <br />0.306 hours <br />0.00182 weeks <br />4.1855e-4 months <br /> load increase began and at 1145 full load was reached.

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o UNITED STATES 37, NUCLEAR REGULATORY COMMISSION

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3, MEMCRANDUM ?CR: TERA Corp.

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