ML20031F624
| ML20031F624 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 10/09/1981 |
| From: | Burger F VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | |
| Shared Package | |
| ML20031F620 | List: |
| References | |
| NUDOCS 8110200227 | |
| Download: ML20031F624 (6) | |
Text
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VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 81-08
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FOR THE MONTH'0F-SEPTEMBER, 1981 4
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PDR ADOCK 05000271.
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4 OPERATING DATA REPORT DOCKET NO. 50-271 DATE 811009 COMPLETED BY F.J. Burcer TELEPHONE (802)257-7711 Ext.1 OPERATING STATUS Notes
- 1. Unit Name:
Vermont Yankee
- 2. Reporting Period: Sentember
- 3. Licensed Thermal Power (MWt):
'.593
- 4. Nameplate Rating (Gross MWe):
540
- 5. Design Electrical Rating (Net MWe):514(oc) 504(cc)
- 6. Maximum Dependable Capacity (Gross MWe):
535
- 7. Maximum Dependable Capacity (Net MWe):
504
- 8. If Changes occur in Capacity Ratings (Items Number 3 Through 7)Since Last Report, Give Reasons:
- 9. Power Level to Which Restricted,If Any(Net MWe):
- 10. Reasons For Restrictions, If Any:
This Month Yr-to-Date Cumulative
- 11. Hours In Reporting Period 720.00 6,551.00
- 12. Number Of Hours Reactor Was Critical 720.00 6.518.12 64,053.90
- 13. Reactor Reserve Shutdown Hours 0.00 _
0.00 0.00
- 14. Hours Generator On-Line 720.00 6,460.05 62,061.63
- 15. Unit Reserve Shutdown Hours 0.00 0.00 n_nn
- 16. Gross Thermal Energy Generated (MWH) 1,079,485.00 9,940,435.00 88,543,952.00
- 17. Gross Electrical Energy Generated (MWH) 352,951.00 3.303.727.00 29.416.574.00
- 18. Net Electrical Energy Generated (FNH) 331,080.00 3.135.674_On
?7_RR7 9ss no
- 19. Unit Service Factor 100.00 98.61 78.43
- 20. Unit Availability Factor 100.00 98.61 78.41
- 21. Unit Capacity Factor (Using MDC Net) 91.24 94.97 69.91
- 22. Unit Capacity Factor (Using DER Net) 89.46 93.12 68.55
- 23. Unit Forced Outage Rate 0.00 1.39 6.73
- 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):
Refueling outage scheduled to start October 17, 1981 _and continue for saven weeks.
?nwar cnneednun nenrred Sonrombor 1R_ 19R1 nr 0000 hv.
- 25. If Shut Down At End Of Report Period, Estimated Date of Startup:
- 26. Units In Test Status (Prior to Commercial Operation):
Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee
(
DATE 8110!)p 2'
COMPLETED BY F.J. Burger TELEPHONE (802)257-7711 Ext. 137 MONTH September DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL l
(MWe-Net)
(MWe-Net) 1.
486 17.
491 2.
486 18.
491 3.
487 19.
491 4.
487 20.
483 5.
262 21.
490 i
6.
331 22.
488
}
7.
329 23._
486 8.
432 24.
Ag6 9.
489 25.
484 10.
492 26.
353 11.
487 27.
451 12.
~
485 28.-
489
-13.
426 29(
485 14.
485 30.
485 15.
487 31.
16.
491 INSTRUCTIONS:
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.
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UNIT SliUTDOWNS AND POWER REDUCTIONS DOCKET No 50-271 UNIT NAME Vermont Yankee DA E 811009 REPORT MONTil September COMPLETED BY F.J. Burger TELEPHONE (802)257-7711 Ext. 13/
Eu s
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OI "c M O' License s
Eu ause & Conective No.
Date o
8.
%8 8
i ti 8 Event 38 8.
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N
$6 0
fi.E $ -
Report #
EO h"d 4
y*g a
81-15 810905 F
0 A
4 N/A HC llTEXCH Power reduction to investigate high (Power reactor vessel conductivity.
Reduct.]
81-16 810906 F
0 A
4 N/A l
CD VALVEX Power reduction to investigate steam (Power leak.
Reduct.:
kl0913 81-17 S
0 B
4 N/A HA TURBIN Power reduction for Main Turbine and
~'
(Power RB CONROD Control Rod Surveillance.
Reduct.
81-18 810926 S
0 B
4 N/A HA TURBIN Power reduction for Main Turbine and (Power RB CONROD Control Rod Surveillance.
Reduct.
F: Forced Reason:
Method:
Exhibit C-ItIstructions
.S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-Other (Explain)
E-Operator Training & License Examination F-Administrative 5 Exhibit I - Same Source l
G-Operational Error.(Explain)
H-Other (Explain)
+
7/80
DOCKET NO.
50-271 UNIT Vermont Yankee DATE 811009
' COMPLETED BY F.J. Burger TELEP110NE (802)257-7711 Ext. 137 SAFETY RELATED MAINTENANCE NATURE OF MALFUNtiION ER OR OUTAGE EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION Circuit Breaker for RRU-4 Corrective LER 81-23/3L RRU Motor Failure Breaker Burned Replaced Breaker.
MR 81-998 Up.
See LER For more Details.
"A" SBGT Filter Corrective N/A Filter Gasket Blow By Replaced Gasket.
MR 81-1020 I
Pinched During Installation After Normal Surveillanct "A" SBGT Charcoal Corrective N/A Unknown Indeterminate Replaced Charcoal.
MR 81-1022 Test Data Refueling Platform Signal /
Corrective N/A Broken Lead In Erratic Rod Repaired Cable.
. Power Cable MR 81-1043 Cable.
Blocks.
RCIC Turbine Controller Corrective N/A liigh Speed Limiter liigh Speed Con-Recalibrated Controller.
MR 81-1050 Set Point Drift.
trol Uncertain, But Able to Satisfy Tech.
Spec. and ISI Requirements.
PCIS Relay 16A-K7B Corrective N/A Burned Coil Failed Relay.
Rebuilt Relay.
MR 81-1054 s
d DOCKET NO.
~
UNIT Vermont Yankee DATE 811009 COMPLETED BY F.J. Burger TELEPHONE (802)257-7711 Ext. 137 REPORT MONTH September
SUMMARY
OF 0?ERATING EXPERIENCES Highlights Vermont Yankee operated at 94.1% of rated thermal power for the month.
Gross electrical generation was352,951 MWH or 90. 7% of design electrical capacity.
Operating Summary The following is a chronological description of plant operations including other pertinent items of int ~erest for the month:
9/1/01 At the beginning of the reporting period the plant was operating at 99.7% of rated thermal power.
9/5/81 At 0300 hrs. a power reduction was initiated to investigate high
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reactor vessel conductiv,ity.
9/5/81 At 2300 hrs. a return to full power was initiated.
9/6/81 At 1630 hrs. a power reduction,was initiated to invetigate a steam leak.
9/6/81 At 2350 hrs. a return to full power was initiated.
9/13/81 At 0000 hrs. a power reduction was initiated for main turbine and control rod surveillance.
q 9/13/81 At 0330 hrs. a return to full power was initiated.
9/18/81 At 0000 hrs. commenced power coastdown.
9/26/81 At 0000 hrs. a power reduction-was initiated for main turbine and control rod surveillance.
9/26/81 At 0430 a return to full power was initiated.
9/30/81 At the end of the reporting period the plant was operating at 97.4% of rated thermal power.
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