ML19269B835

Monthly Operating Rept 78-12 for Dec 1978

ML19269B835
Person / Time
Site:	Yankee Rowe
Issue date:	01/12/1978
From:	Sjogren R YANKEE ATOMIC ELECTRIC CO.
To:
Shared Package
ML19269B834	List: ML19269B833 ML19269B835
References
78-12, NUDOCS 7901170249
Download: ML19269B835 (7)

Text

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A.

YANKEE ATOMIC NUCLEAR POWER STATION MONTIILY STATISTICAL REPORT 78-12 FOR THE MONTH OF DECEMBER, 1978 7 90117 0 Aff

O OPERATING DATA REPORT DOCKET NO.

50-29 DATE 700112 COh!PLETED BY R. M.

Siogren TELEPliONE (617) 366-9011 X2281 OPERATING STATUS YANKEE R0WE Notes Power limited by

1. Unit Name:

December 1978 TS 3-2-1 otherwise

2. Reporting Period:

n license limit other 600

3. Licensed Thermal Power (51Wt):

than 600 MWt.

4. Nameplate Rating (Gross 51We):

185 175

5. Design Electrical Rating (Net 31We):

180

6. Sf aximum Dependable Capacity (Gross 51We):

175

7. 31aximum Dependable Capacity (Net 51We):

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

None

9. Power Level To Which Restricted. If Any (Net SIWE):

10. Reasons For Restrictions,If Any:

None

(

This 31onth Yr.-to.Date Cumulative 744 8.760

11. Ilours In Reporting Period

12. Number Of Ilours Reactor Was Critical 326.5 7,197.12 131,190.9

13. Reactor Reserve Shutdown flours 0

0 0

14. Ilours Generator On-Line 244.13 7,093.89 126',878.0

15. Unit Reserve Shutdown flours 0

0 o

16. Gross Thermal Energy Generated (51Wii) 104.760.0 4,157,906.2 67.573.545.11

17. Gross Electrical Energy Generated (5tWil) 13.979.7 __, 1,270,601.3 20.760,948

18. Net Electrical Energy Generated (51Wil) 31.478.258 1.193.378.757 19.433.880.66

19. Unit Service Factor 19.8 80.98 79.8

20. Unit Availability Factor 32.8 80.98

21. Unit Capacity Factor (Using 51DC Net) 24.2 77.8 72.4

22. Unit Capacity Factor (Using DER Net) 24.2 77.8 72.4

23. Unit Forced Outage Rate 2.4 2.4 1.6

24. Shutdowns Scheduled Over Next 6 51onths (Type. L) ate,and Duration of Each):

None

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

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

Forecast Achiesed INITIA L CRITICA LITY INITIAL ELECTRICITY V

C05151ERCIAL OPERATION (9/77)

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-29 Yankee Rowe UNIT DATE 790112 CON 1PLETED BY R. M. Sjogren TELEPHONE (617) 366-9011 X2281 L cernber, 1978 SIONT11 DAY AVERAGE D I Y P

'ER LEVEL DAY AVERAGE DAILY POWER LEVEL (31We-Net) 1 0.0 0.0 g7 18 0.0 0.0 3

19 0.0 4

20 21 15 6

22 49 l

101 7

23 8

24 105 9

25 121 124 10 26 142 II 27 158 12 2S I3 29 164 30 165 31 166 16 0_o INSTRUCTIONS On this format list the average daily unit power leselin 5fWe Net for each day n tile rep"rting month. Compute to the nearest whole megawatt.

(9/77)

L'

,. ~

DOCKET NO.

50-29 UNITSIIU1 DOWNS AND POWER REDUCTIONS UNIT NAME V,nt c o pnuo -

790112 DATE COMPLETED itY R.

M. Singren REPORT MONTil December 1978 TELEPIIONE (617T V A on11 X2281

.$E

}

I Licensee Eg e.'3

't Cause & Corrective No.

Date g

3g 2g5 Event gg Action to H

yE 5

3 di c:

Report #

mV E'

Prevent Itecurrence 2

o 6

12 10/21/78 S

493.2 C

1 None N/A N/A Completed Core XIII - XIV refueling and maintenance outage.

13 12/22/78 F

6.05 11 3

None N/A N/A liigh level turbine moisture separator.

l 2

3 4

F: FoucJ Iteason:

Method:

Exlubit G -Instructions S: Scheduled A Eiinipment Failure (Explain) 1-Manual for Picparation of Data Il-Maintenance of Test 7 Manual Serain.

Entry Sheets tor I.icensee C-Itefueling 3 Automatic Scram.

Event Iteport (Llilu File INUltl'.G-D-Itegulatory itestiiction 4-Ot her (Explain) 01611 li-Operator Training & License Examina':on 1 Aihnine.t ative 5

G Opciational I isor (17.xplain)

Exinbit 1 Same Sousee pl/17)

Il-Othee (lixplain)

DOCKET NO.

50-29 UNIT Yankee Rowe DATE 790112 COMPLETED BY R. M. Siocren TELEPHONE (617) 366-9011 X2281 Page one of two REPORT MONTH December, 1978 SU5BfARY OF OPERAT_ING EXPERIENCES 12-1 At the beginning of the report period the plant was shutdown for Core XIII - XIV refueling shutdown.

12-17 1030 hours0.0119 days <br />0.286 hours <br />0.0017 weeks <br />3.91915e-4 months <br /> - Reactor critical, low power physics testing.

12-21 1349 hours0.0156 days <br />0.375 hours <br />0.00223 weeks <br />5.132945e-4 months <br /> - Low power physics testing completed, turbine generator phased to the high lines. Zero to full power physics testing.

1700 hours0.0197 days <br />0.472 hours <br />0.00281 weeks <br />6.4685e-4 months <br /> - Plant load G 150 MWt - Physics testing.

1900 hours0.022 days <br />0.528 hours <br />0.00314 weeks <br />7.2295e-4 months <br /> - Increasing load physics testing completed.

12-22 0113 hours0.00131 days <br />0.0314 hours <br />1.868386e-4 weeks <br />4.29965e-5 months <br /> - Turbine trip and reactor scram - high level turbine moisture separator.

0716 hours0.00829 days <br />0.199 hours <br />0.00118 weeks <br />2.72438e-4 months <br /> - Turoine generator phased to the high lines.

0930 hours0.0108 days <br />0.258 hours <br />0.00154 weeks <br />3.53865e-4 months <br /> - Holding load at 50 MWe due to heater drain tank level control problem *.

1145 hours0.0133 days <br />0.318 hours <br />0.00189 weeks <br />4.356725e-4 months <br /> - Commenced load increase and 2230 plant lead at 360 FMt.

12-26 0930 hours0.0108 days <br />0.258 hours <br />0.00154 weeks <br />3.53865e-4 months <br /> - Commenced load increase to 533 FMt.

12-28 0700 hours0.0081 days <br />0.194 hours <br />0.00116 weeks <br />2.6635e-4 months <br /> - Plant load 0 533 MWt.

1445 hours0.0167 days <br />0.401 hours <br />0.00239 weeks <br />5.498225e-4 months <br /> - Commenced plant load increase to 562 MWt.

12-29 0045 hours5.208333e-4 days <br />0.0125 hours <br />7.440476e-5 weeks <br />1.71225e-5 months <br /> - Plant at full allowable load of 562 MWt.

0814 hours0.00942 days <br />0.226 hours <br />0.00135 weeks <br />3.09727e-4 months <br /> - Commenced load reduction to 160 MWe, problems with No. 1 heater drain pump.

1030 hours0.0119 days <br />0.286 hours <br />0.0017 weeks <br />3.91915e-4 months <br /> - Plant load at 160 MWe, #1 heater diain pump isolated -

Icakage.

1110 hours0.0128 days <br />0.308 hours <br />0.00184 weeks <br />4.22355e-4 months <br /> - No. 1 heater drain pump packing added, commenc9d load increase.

• Level control valve improper operations.

s DOCKET NO.

50-29 UNIT Yankee Rowe DATE 790112 CO.'IPLETED BY R. M. Sjogren TELEPliONE (617) 366-9011 X2281 Page two of two REPORT MONTil December, 1978 SUM 5fARY OF OPERATING EXPERIENCES 12-29 (continued) 1225 hours0.0142 days <br />0.34 hours <br />0.00203 weeks <br />4.661125e-4 months <br /> - Plant load at full allowable power 562 MWt.

12-30 0130 hours0.0015 days <br />0.0361 hours <br />2.149471e-4 weeks <br />4.9465e-5 months <br /> - Commenced load reduction to 160 MWe to check grounds, on No. 1 heater drain pump.

0230 hours0.00266 days <br />0.0639 hours <br />3.80291e-4 weeks <br />8.7515e-5 months <br /> - Plant load @ 160 MWe.

0240 hours0.00278 days <br />0.0667 hours <br />3.968254e-4 weeks <br />9.132e-5 months <br /> - No ground on No. 1 heater drain pump, commenced load increase to 562 MWt.

Ground was traced to the over-head crane - PCA storage building.

0415 hours0.0048 days <br />0.115 hours <br />6.861772e-4 weeks <br />1.579075e-4 months <br /> - Plant 0 full allowable power level of 562 MWt.