ML20049J869

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Monthly Operating Rept for Sept 1981
ML20049J869
Person / Time
Site: Yankee Rowe
Issue date: 10/09/1981
From: Doyle A
YANKEE ATOMIC ELECTRIC CO.
To:
Shared Package
ML20049J867 List:
References
NUDOCS 8203290174
Download: ML20049J869 (6)
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YANKEE ATOMIC NUCLEAR POWER STATION MONniLY STATISTICAL REPORT 81-9 I

FOR DIE MON 1H OF SEPTEMBER,1981 4

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i 8203290174 811009 PDR ADOCK 05000029 l

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OPERATING DATA REPORT DOCKET NO.

50-29 DATE 811009 COMPLETED BY A. E. Doyle TELEPHONE 617-872-8100 X2390 OPERATING STATUS Notes Yankee Rowe

1. Unit Name:

Ren t emh ny-tor 1

2. Reporting Period:

600 Power level restricted by

3. Licensed Thermal Power (MWt):

185 installation of baffle

4. Nameplate Rating (Gross MWe):

175 plates in turbine.

5. Design Electrical Rating (Net MWe):

180

6. Maximum Dependable Capacity (Gross MWe):

175

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

150 MWe

9. Power Level To Which Restricted,If Any (Net MWe):
10. Reasons For Restrictions.lf Any:

See Nntec This Month

.Yr. to Date Cumulative

11. Hoursin Reportin2 eric.

720.00 6.551.00 P

12. Number Of Hours Reactor Was Critical 71.1 ot 4.387.87 144.722.15
13. Reactor Resene Shutdown Hours 0.00 0.00 0.00
14. Hours Generator On.Line 711.95 4.309.77 140,271.50
15. Unit Reserve Shutdown Hours 0.00 0.0n 0.00
16. Cross Thermal Energy Generated (MWH) 417.968.00 -

2.311.964.71 75.185.745.52

17. Gross Electrical Energy Generated (MWH) 106 46R 50 610.202.50 22.995,343.00
18. Net Electrical Energy Generated (MWH) 49.378.31 564.442.03, 21.522.551.77
19. Unit Service Factor 98.88 65 1 76.62
20. Unit Availability Factor on RR Aq,70 76.62 78.87 49.23 69.27
21. Unit Capacity Factor (Using MDC Net) 78.87 49.23 69.27
22. Unit Capacity Factor (Using DER Net) 1.12 2.20 5.29
23. Unit Forced Outage Rate
24. Shutdowns Scheduled Over Next 6 Months (Type. Date.and Duration of Eschi:

f

25. If Shut Down At End Of Report Period. Estimated Date of Startup:
26. Units In Test Status (Prior to Commercial Operation):

Forecast Achieved l

INITIAL CRITICALITY INITIAI. ELECTRICITY COMMERCIAL OPERATION (9/77) i

e AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-29 UNIT Yankee Rowe DATE 811009 COMPLETED BY A. E. Doyle j

617-872-8100 X2390 TELEPHONE MONTH SEPTEMBER, 1981 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER a.EVEL (MWe-Net)

(MWe Net) 143,3 37 142*3 2

143.3 13 141.7 3

141.n 39 142.2 143.2 20 142.1 4

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142.9 21 142.5 142.6 22 142.4 6

7 140.1 23 142.5 122.3 3

24 142.7 9

117.8 25 169 4 l

10 142.7 26, 143.0 142.6 II 142.8 27 142.6 12 91 9 28 13 106.8 29 I43 1 136.7 34 3O 143.3 15 I4I 9 31 16 142.3 INS 1 RUCTIONS 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.

(9/77)

l UNITSilUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-29 UNIT NAME Yankee Rowe DATE 811009 COMPLETED llY A.

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Doyle REPORT Af0NTil SEPTEMBER, 1981 TELEPflONE 617-872-8100 X2390 w.

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} }I5 Licensee E*

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Cause & Corrective No.

Date R

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.c 5 5 Evens

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g Action to F

g3 E 5' jgg Report

  • vO Prevent Recurrence g

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9/8 F

29 D'

N/A N/A N/A N/A Reduced load by >20% to maintain the-Condenser Outlet Temperature within EPA limits.

6 9/12 F

8.05 H

3 N/A N/A N/A Loss of Y-177 High Line due to electrical storm.

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3 4

F: Foot ed Reason:

Method:

Ealdbie G. Insieuctions S: Stheduled A Equipinent Failure (Explain) 1-Manual for Picparation of Data it. Maintenance of Test 7 Manual Scrain.

Entry Sheces for Licensee C-Rcrueling 3 Autoniatic Scrain.

Evens Itepani (LER) File INUREG.

D Hegulatiny Restriction 4 Osher (Emplain) 0161) li-Opciator Training & License Exainination F Aihniniusative 5

G Oresational I.isos (limplaio)

Exhibit I. Sanne Sonree 08/77)

Il Othes (limplain)

t DOCKET NO.

50-29 UNIT Yankee Rowe DATE 811009 COMPLETED BY A. E. Doyle TELEPHONE 617-872-8100 X2390 REPORT MONTH SEPTEMBER, 1981 SIRE!ARY OF OPERATING EXPERIENCES 9/7 At 1930 hours0.0223 days <br />0.536 hours <br />0.00319 weeks <br />7.34365e-4 months <br /> a load reduction commenced in order to maintain the condenser circulating water outlet temperature within the E.P.A.

limit. The load was 149 We at 2330 hours0.027 days <br />0.647 hours <br />0.00385 weeks <br />8.86565e-4 months <br />.

9/8 At 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br /> began to recover electric load to 153 We.

At 0530 hours0.00613 days <br />0.147 hours <br />8.763227e-4 weeks <br />2.01665e-4 months <br /> reduced load to 149 We to maintain concenser outlet temper-ature. At 1800 hours0.0208 days <br />0.5 hours <br />0.00298 weeks <br />6.849e-4 months <br /> the electric load was 119 We.

9/9 At 1015 hours0.0117 days <br />0.282 hours <br />0.00168 weeks <br />3.862075e-4 months <br /> load increasing began. At 1945 hours0.0225 days <br />0.54 hours <br />0.00322 weeks <br />7.400725e-4 months <br /> the plant was at full load.

9/12 At 1530 hours0.0177 days <br />0.425 hours <br />0.00253 weeks <br />5.82165e-4 months <br /> a plant trip occurred due to the loss of the Y-177 high line resulting from a line fault which was caused by an electrical storm. At 2128 hours0.0246 days <br />0.591 hours <br />0.00352 weeks <br />8.09704e-4 months <br />, the reactor was brought critical i

and at 2333 hours0.027 days <br />0.648 hours <br />0.00386 weeks <br />8.877065e-4 months <br /> the generator was phased on the line.

j 9/13 At 0900 hours0.0104 days <br />0.25 hours <br />0.00149 weeks <br />3.4245e-4 months <br /> a 24-hour hold at 139.7 We began to allow for Xenon equilibrium.

9/14 At 1015 hours0.0117 days <br />0.282 hours <br />0.00168 weeks <br />3.862075e-4 months <br /> the plant reached full load and remained there for the remainder of the month.

CORRECTED 10/1/81 OPERATING DATA REPORT l

DOCKET NO.

50-29 DATE 810911 CO.\\lPLETED BY D. Bernard TELEPHONE 617-872-8100 X2390 OPERATING STATUS

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Notes Yankee Rowe

1. Unit Name.

i

2. Reporting Period:

Aucust. 1981 p

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600

3. Licensed Thermst Power (51Wt):

i sta11ation of baffle 185

4. Nameplate Rating (Cross SIWE):

plates in turbine.

175

5. Design Eleetries: Rsring (Net SIWE):

180

6. 51sximum Dependable Capacity (Cross 5fWe):

175

7. SIsximum Dependable Capscity (Net 31We):
8. If Changes Occur in Capacity Ratings (!tems Number 3 Through 7)Since Last Report Give Reasons:

1gn MWe

9. Power Level To Which Restricted,!f Any (Net SIWE):

See Notes

10. Reasons For Restrictions.If Any:

i This 5fcnth Yr to.Dste Cumulative 744.00 5.831.00

11. Hours in Reporting Period 736.73 3,673.84 144,008.12
12. Number Of Hours Resctor Was Critical
13. Reactor Reserve Shutdown Hours 14, Hours Generator On.Line 727.70 3.597.82 139.559.55
15. Unit Reserve Shutdown Hours -n-16. Cross Thermsl Energy Generated (51WH) 399.931.00 1.893.996.71 74.767.777.52
17. Grcss Electrical Energy Generated (.31WH) 103,888.00 503,234.00 22.888,374.50
18. Net Electrical Energy Generated (51WH) 96,293.01 465,063.77 21,423,173.46 97.81 61.70 76.54
19. L' nit Service Factor 07 R1 61 7n 76.54
20. Unit Avsilability Factor 7t on 4e ea 69.23
21. Unit Capscity Factor (Using 51DC Net) 73.96 45.58 69.23
22. Unit Capacity Factor (Using DER Net) 2.19 2.41 5.31
23. Unit Forced Outsge Rate
24. Shutdowns Scheduled Over Next 6 Stonths (Type.Date.snd Durstion of Esch):
25. If Shut Down At End Of Report Period. Estimated Dste of Startup:
26. Units in Test Ststus (Prior to Commercial Operation):

Forecast Achie+ e I INITIAL CRITICALITY INITIA L ELECTRICITY CO3131ERCIAL OPERATION (4/77)

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