ML20042B561

Monthly Operating Rept for Aug 1981

ML20042B561
Person / Time
Site:	Yankee Rowe
Issue date:	09/11/1981
From:	Bernard D YANKEE ATOMIC ELECTRIC CO.
To:
Shared Package
ML20042B557	List: ML20042B556 ML20042B561
References
NUDOCS 8203250423
Download: ML20042B561 (4)

Text

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L YANKEE ATOMIC NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 81-8 FOR THE MONDI 0F AUGUST, 1981 S

4 P203250423 810913

{DRADOCK 05000029 PDR

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OPERATING DATA REPORT DOCKET NO.

50-29 DATE R10911 COSIPLETED BY n

M_

Rernard TELEPHONE _617-R72-8100 X239C OPERATING STATUS Yankee Rowe Notes

1. Unit Name:

2. Reporting Period:

Anon" 10R1 Power level restricted by

3. Licensed Therms! Power (SIWt):

600 installation of baffle 185 plates in turbine.

4. Namepiste Rating (Gross SIWE):

175

5. Design Electrical Rt. ting (Net SIWE):

180

6. 51sximum Dependable Capseity (Gross atWe):

7. Sinimum Dependsble Capseity (Net SIWE):

175

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

' 9. Power LevelTo Which Restricted.If Any (Net alwe):

150 MWe

10. Reasons For Restrictions.!f Any:

See Notes This 5!onth Yr..to.Date Cumulative 744.00 5.831.00

!!. Hours In Reporting Period

12. Number Of Hours Reactor Was Critical 736 7%

1 671 Ra taa nnR 12

13. Resctor Reserve Shutdown Hours 0.00 0.00 P.JO 14, Hours Cenerator On.Line 727.70 3.547.R2 139.559.55

15. Urdt Reserve Shutdown Hours -

0.00 n nn 0.00

16. Gross Therms! Energy Generated (31WH) 503.234.00 1;407 901 71 74.871.080.52

17. Gross Electrical Energy Generated (51WH) 103.880.00,_.

503.226.00 22.888.366.50

18. Net Electrics! Energy Generated C,1WH) 96.293.01 465.063.77 21.423.173.46

19. Unit Service Factor 97.81 61.70 76.54 l

20. Unit Avsilability Factor 97.81 61.70 76.54

21. Unit Capacity Factor (Using alDC Net) 73.96 45.58 69.23

22. Unit Capacity Factor (Using DER Net) 73.96 45.58 69.23

23. Unit Forced Outage Rate 2.19 2.41 5.31

24. Shutdowns 5cheduled Over Next 6 Stonths (Type.Date.snd Durstion of Each1:

i

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

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

Forecast Achieved INITIA L CRITICALITY INITIA L ELECTRICITY CONISIERCIAL OPERATION (9/77)

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-29 UNIT Yankee Rowe DATE 810911 COSIPLETED BY D. M. Bernard TELEPHONE 617-872-8100 X2390 alONTH AUGUST, 1981 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (31We Net)

(h!We. Net) 1 57.2 17 141.4 142.4 2

93.4 gg 142.0 3

104.2 39 4

106.8 20 48 5 5

121.9 21 132.2 6

127.3 144.3 22 7

131=1 23 144 2 8

132.3 24 143.5 9

133.0 25 143.5 10 133.8 26 143 4 Il 135.7 27 143.2 12 136.5 23 143.3 13 137.6 29 143.4 14 138.8 30 143.3 15 139.8 143.3 3g 16 140.6 l

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l INSTRUCTIONS i

On this format. list the average daily unit power leselin 5!We Net for each day in the reporting month. Compute to the nearest whole megawatt.

(9/77)

9 UNITSilUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-29 UNIT NAME Yankee Rowe DATE 1110911 REPORT AIONTil AUGilST. 1981 COMPLETED liy n M.

Rorn a rd TELEfilONE 617-872-8100 X2390 "E

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..Ek Licensee

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!*o Cause & Currective No.

Date g

3g

.g g 5 Event u?

- E.3 Action to c$ 6 5' j5y Repori

• N0 0

Prevent itecurrence g

3 8/1/81 F

5.5 A

2 81-21 CD VdLV0P Failure of an "0" Ring on the Main Steam Non-Return Valve Operator.

4 8/20/81 F

10.8 A

2 NA NA NA No. I fleater Drain Pump lower bearing seized. The resulting pump failure caused a low suction pressure trip of the Boiler Feed pumps producing a loss of feed. The operator manually tripped the plant.

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3 4

F: Fins ed Hesson:

Method:

Exhibii G. instructions S: Stlieduled A l?quipment Failure (Explain) 1-Manual for l* separation of Data B. Maintenance of Test 7-Manual Scram.

Entry Sheets fin Licensee C Itefueling 3 Automatic Scram.

Evens ItepanI (Llittl Fde INUltEG.

D.Itegulaimy itestriction 4-Other (Explain) 0161I li Opciator Training & License Examination I: Ailminiusative 5

G Operational I nor (limplain)

Exhil it I. Same Source

('8/ 77)

Il Ollici (limplain)

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DOCKET NO.

50-29 UNIT Yankee Rowe DATE giogli CO.lPLETED BY D. M. Bernard TELEPHONE 617-872-8100 X2390 REPORT NONTH AUGUST. 1981 SU'-DIARY OF OPERATING EXPERIENCES 8/1/81 0043 Reactor Critical, recovering from plant trip on 7/31/81 0530 Phased. generator to the high lines 2400 Plant load at 100 MWe and slowly being increased 8/19/81 2400 Plant load at 153.7 MWe 8/20/81 0105 Plant tripped manually due to a loss of feedwater caused by failure of No.1 Heater Drain Pump 0738 Reactor critical, recovering from plant trip 1154 Phased generator to the high lines 8/21/81 2300 Plant at full load i

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