ML20042B577
| ML20042B577 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 08/12/1981 |
| From: | Bernard D YANKEE ATOMIC ELECTRIC CO. |
| To: | |
| Shared Package | |
| ML20042B569 | List: |
| References | |
| NUDOCS 8203250434 | |
| Download: ML20042B577 (4) | |
Text
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4 YANKEE ATOMIC NUCLEAR POWER STATION.
MONTHLY STATISTICAL REPORT 81-7 i
FOR THE MONTH OF JULY,1981 i
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8203250434 810812 DR ADOCK 05000029 l
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OPERATING DATA REPORT DOCKET NO.
50-29 Rowe DATE 810812 COhlPLETED BY D-M. Bernard TELEPHONE 617-872-8100 X2390 lernard
? RATING STATUS
?-8100 X2390 Notes Yankee Rowe t NLm2:
rarting Period:
July, 1981 Power level restricted by 600 installation of baffle msed Thirmal Power (31Wt):
185 neplata Rating (Gross $1We):
plates in turbine.
175 ign Electrical Rating (Net SIWE):
180 dmum Dependable Capscity (Gros SIWE):
l 175 dmum Dependable Capacity (Net SIWE):
hanges Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report. Give Reasons:
.cr Level To Which Restricted.!f Any (Net 31We):
150 MWe See Notes s:ns Fcr Restrictions.If Any:
This Sionth
.Yr..to.Date Cumulative 744.00 5,087.00 2rs in Reportin2 Period nbtr Of Hours Reactor Was Critical 80.98 2.937.11 143,271.39 0.00 0.00
- ctrr Reserve Shutdown Hours 0.00 138,831.85 trs Cenerator On.Line 29.60 2.870.12 t Res rve Shutdown Hours 0.00 0.00 0.00
.ss Therms! Energy Generated (51WH) 8.398.81 1.494.065.71 74.367.846.52 ss Electrics! Ener;y Generated (31WH) 2.107.10..
399.346.00 22,784,486.50 Electrical Energy Generated (31WH) 1.836.34 368.770.76 21.326.880.45 3.98 56.42 76.45 t Service Factor t Availability Factor 3.98 56.42 76.45 1.41 41.42 69.21 t Capscity Factor (Using SIDC Net) i 1.41 41.42 69.21 t Capacity Factor (Using DER Net) 12.43 2.47 5.32 t Fcreed Outage Rate tdowns Scheduled Over Next 6 Stonths (Type. Date.snd Duration of Each1:
August 1. 1981 hut Down At End Of Reoort Period. Estimated Date of Startup:
ts In Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITICA LITY INITIA L ELECTRICITY 9/77)
CO313tERCIAL OPERATION
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UNITSilUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-29 UNIT NAME Yankee Rowe DATE 810812 REPORT MONTII JULY, 1981 COMPLETED BY D. M. Bernard TELEril0NE 617-872-8100 X2390 i
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Cause & Curreceive No.
Date R
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$5 5-j5g Report
- A0 Psevent Recurrence g
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2 5/2/81 S
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'N/A N/A N/A Shutdown for Core XV Refueling and 7/30/81 Maintenance Outage.
3 7/31/81 F
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2 81-21 CD VALV0P Failure of an "0" Ring on the main l
steam Non-Return Valve Operator resulted in the closure of #3 NRV.
The "0" Ring was replaced in kind.
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4 F: Fossed Iteason:
Method:
Enliibit G. Insieuctions S: Scheduled A Equipment Failuse(Emplain) 1-Manual for Pacp nation of Dasa 1141aintenance of Test 7-Manual Scram.
Enity Shecis fin Licensee C Rcrueling 3 Automatic Scrain.
Event Repunt (LliR) File INUnr.G.
D Regulateny Restriction 4-Other (Emplain) 0161) li-Opesator Training & Ucense Examination F Adininiusasive 5
G Opesational 1:s sns (limplain)
Exhihit I Same Soince P8,1D)
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o DOCKET NO.
50-29 UNIT Yankee Rowe DATE 810812 COMPLETED BY D. M. Bernard TELEPHONE 617-872-8100 X2390 REPORT MONTH JULY. 1981 SU'-NARY OF OPERATING EXPERIENCES 7/30/81 At 1412 hours0.0163 days <br />0.392 hours <br />0.00233 weeks <br />5.37266e-4 months <br /> the generator was phased to the grid.
7/31/81 At 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br /> the generator output was 60 MWe..At 1115 hours0.0129 days <br />0.31 hours <br />0.00184 weeks <br />4.242575e-4 months <br /> the generator output was 100 MWe and a 24 hour2.777778e-4 days <br />0.00667 hours <br />3.968254e-5 weeks <br />9.132e-6 months <br /> hold for physics testing was begun. At 1948 hours0.0225 days <br />0.541 hours <br />0.00322 weeks <br />7.41214e-4 months <br /> a manual plant trip was initiated because No. 3 steam line non-return valve inadvertently closed. At 2400 hours0.0278 days <br />0.667 hours <br />0.00397 weeks <br />9.132e-4 months <br /> the plant was still off the line.
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