ML20082F944
| ML20082F944 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 07/31/1991 |
| From: | Murphy W, Wallin G VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9108160131 | |
| Download: ML20082F944 (6) | |
Text
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V$ltMONT YANKEE NucLEAlt Pownit Colti'OllATION q.
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P o no,157, covernor Hunt rioao venon vermont os3s.t.ois7 e
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August 10, 1991 U.S. Nuclear Regulatory Commission ATTN: - Document Control Desk Washington, D.C.
20555 Dear u...
Submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of July,1991.
Very truly yours, VERMONT YANKEE NUCLEAR POWER CORP.
/?fu h
dm Warren P. M rphy Senior Vico Presiden,
ations cc:
1)
USNRC Re ion 1 47a Allendale Road King of Prussia, PA 19406 2)
USNRC Resident inspector, VYNPS DP 0411 Rev. 3 Page 1 of 1 i
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VERMONT YAtJKEE ?;
!. EAR POWER STATIO!J MolJTi!LY STATIs~.
T. REPORT 91-07 FOR Tile MONTil OF JUl,Y, 1991 DP 0411 Rev. 3 Page 1 of 1 l
OPERATI!1G DATA REPORT DOCKET 110.
M-22 L DATE 91Q010 COMPLETED BY G M._Whl&llL_
TELEPilO!1E
.(#92)l_S7-7711 QPERlLTitlG_ DINGS
- 1. Unit flamo ypIgnnt J an}iqq 2.
Reporting Period:
July _
llOTES :
- 3. Licensed Thermal Power (MWt) :lill
- 4. 11ameplato Rating (Gross MWo):
MQ 5.
Design Electrical Rating (llet MWo):
111L9.pl_1011gpl
- 6. Maximum Dopondable Capacity (Gross MWo):
51E
- 7. Maximum Dependable capocl_y'"* MWr;;
EQ1
- 8. If changes, occur in capacjty ratings (Items llumber 3 through 7) sinco last report, givo reasons:
IU.h 9,
Power level to which rostricted, i f any (110t MWo) : __11/A
- 10. Roaaons for restr.ictions, if any:
filh This Month Yr-to-Dato Cumulativo
- 11. Ilours in Reporting Period 744.00 kQRLpp 161607.0Q
- 12. Ilumber Of luurs Reactor was Critical 744 2Q_
4 7 3 4 d5 132<22 32iB
- 13. Reactor Deserve Shutdown liourc 0.01_
Q&Q2 0L_QR
- 14. llours Generator On-Lino 744.QQ.
4103.98 llqQSS.58 0.00 0.QR OJD
- 15. Unit Reserve Shutdown llours
__1180464.q9_ 2101520.0Q lQ2ft928M 203
- 16. Groca Thermal Energy Generated (M'iH)
- 17. Gross Electrical Energy Generated
_1R1Q31 00 2160865 qQ 64 29BMLA0 2
- 18. Not Electrical Energy Generated (MWil)_159790.00 2141054.00 6091M21tQQ
- 19. Unit Servico Factor 100uQf_
_222QH 7hf2
- 20. Unit Availability Factor 100 0.Q_
92.u01 __
78202
- 21. Unit Capacity Factor (Using MDC lict)._.
95.95_
91 42 __
732 19
- 22. Unit Capacity Factor (Using DER 110t) 94.08 89262 71 25
- 23. Unit Forced Outage Rato 0. QQ_
L_9.2 5.60
- 24. Shutdowns scheduled over next 6 months (Type, Date, and Duration of Each:
11/ A
- 25. If shut down at end of report period, estimated date of startup: 11/ A
- 26. Units In Test Status (prior to commercial operation): 11/ A Forecast Achieved IllITI AL CRITICALITY I!11TIAL ELECTRICITY COMMERCIAL OPERATIO!1 VYDPF 0411.01 DP 0411 Rev. 3 Page 1 of 1 RT 110. 13.F01.19F
AVERAGE DAILY UllIT POWER LEVEL DOCKET 110.30-271 UtlIT Vermont Y.flDKQ.0 DATE fl10810 CO!4PLETED BY LA,._,,iMLhui TELEPilOllE
.LB_q2_)_Lil-7 71 L 14011T11 July DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (liWe-tiet)
(liWe-110t )
1.
489 17, 485 2.
4E 18.
483 3.
,_43_5 19.
481 4.
486 20.
478 5.
4 Qfz_,
21, 475 6.
484 22.
480 7.
482 23.
480 8.
479 24.
483 9.
48S 25, 488 10.
18.8 26.
483 11.
489 27, 485 12.
487 28.
48_8 13, 488 29.
(E8 14.
487 30.
487 15.
488 31.
487 16.
497 4
INSTRUCTIO!1S:
On this format, list the average daily unit power level in 14WE-110t for each day in the reporting month.
Compute to the nearest whole megawatt.
VYDPP 0411.02 DP 0411 Rev. 3 Page 1 of 1 RT No. 13.F01.18V
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UNIT SHUTDOWNS AND POWEA REDUCTIONS REPORT MONTH
..@l1LY
- eOCKET NO 50-271 UNIT NAME Vermont Yankee DATE 910810 COMPLETED BY G.A. Wallin TELEPHONE (802)257-7711 1
2 3
No.
Da '.e Type Duration Reason Method of Lice-System Component Causc and Corrective (hours)
Shutting Event Code Code Action to Prevent Down Report #
4 5
Recurrence Reactor 91-08 910721 S
0.00 B,H*
N/A N/A RB CONROD Control rod exercising and weekly turbine surveillance followed I
by a rod pattern exchange.
1 F: Forced 2 Reason:
3 Method:
4 Exhibit G-Instructions S: Scheduled A-Equipment Failt..e (Explain) 1 - Manual for Preparation of Data B-Maintenance or
st 2 - Manual Scram Entry Sheets for License C-Refueling 3 - Automatic Scram Event Report (LER) File I
D-Regulatory Restriction 4 - Other (Explain)
- Sperator Training and License Examin : ion 5 Exhibit I - Same Source VYDPF 0411.03 r-Administrative j
DP 0411 Rev. 3 G-Operational Error (Explain)
Page 1 of 1
- H-(Explain)- red patteta exchange i
l-
i DOCKET NO.
50-271 DATE 910810 COMPLETED BY 9.A. WALLIN TELEPHONE 1802)227-7711 REPORT MONTH JULY l
SUMhnha OF OPERATING EXPERIENCES Hiahlichte
-Vermont Yankee operated at 99.6% of rated thermal power for the month.
Gross electrical generation was 183,086 MWHe or 95.4% design electrical capacity.
Onoratino Fummarv
-The following is a chronological description of plant operations including other pertinent items of interest for the month.
At the beginning of the reporting period the plant was operating at 22.11 E
of rated thermal power.
910721 At 0215 hours0.00249 days <br />0.0597 hours <br />3.554894e-4 weeks <br />8.18075e-5 months <br />, initiated a power reduction to less than 80%
.to perform a rod pattern exchange.
(See Unit Shutdowns I
and Power Reductions) 910721 At 0606 hours0.00701 days <br />0.168 hours <br />0.001 weeks <br />2.30583e-4 months <br />, completed the rod pattern exchange.
)
910721 At 0631 hours0.0073 days <br />0.175 hours <br />0.00104 weeks <br />2.400955e-4 months <br />, began a return to full power.
I l
l l
l At the end of the reporting period the plant was operating at 99.9% of rated thermal _pcker.
i VYDPF 0411.04-l-
DF-0411 Rev. 3 Page 1 of 1 RT No. 13.F01.18X l
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