ML20079P436
| ML20079P436 | |
| Person / Time | |
|---|---|
| Site: | Vermont Yankee File:NorthStar Vermont Yankee icon.png |
| Issue date: | 10/31/1991 |
| From: | Murphy W, Wallin G VERMONT YANKEE NUCLEAR POWER CORP. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| VY-RCE-91-012, VY-RCE-91-12, NUDOCS 9111120422 | |
| Download: ML20079P436 (6) | |
Text
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V 1014 M ONT YINIs 101C IN UCIsICs\\ R l *OW 1011 Colt 18014 s\\TI ON P O. IlOX 157 GOW2FOR HUNT RO AD YEllNON, VI:llMONT 05354 November 10, 1991 VY-RCE-91-012 BVY 91-111 U.S.
Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C.
20555
Dear Sir:
Submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of October, 1991.
Very truly yours, VE ONT Y KEE NUCLEAR
,ER CORP.
4
'C Warren [ Murphy Senior Vice President, Operations cc:
Mh"kish EUlb {p CE2t y
8 y,
VERMoliT YANKEE ilUCLEAR POWER STATIOff i
MONTilLY STATISTICAL REPORT 91-10 FOR Ti!E MOllTil OF OCTOBER, 1991 1
DP 0411 Rev. 4 Pago 1 of 1 f
OPERATING DATA REPORT DOCKET NO.
50-271 DATE 911110 COMPLETED BY Q_.A.
WALLIN TELEPHONE
,((LQ2 ) 2 57-7711 OPRRATING STATUS
- 1. Unit Names Vermont YanhE2 2.
Reporting Period:
October NOTES:
- 3. Licensed Thermal Power (MWt):1122
- 4. Nameplate Rating (Gross MWo):
512
- 5. Design Electrical Rating (Not MWo):
514 foci 504(col
- 6. Maximum Dopondablo Capacity (Gross MWo):
- 7. Maximum Dependable Capacity (Not MWo):
1A1 8.
If changes, occur in capacity ratings (Items Number 3 through 7) since last report, give reasons:
N/A 9.-Power-level-to which rentricted, if any(Not MWo):
N/A
- 10. Reasons for rostrictions, if any:
N/A
his Month Yr-to-Date Cumulativo
- 11. Hours in Reporting Period 745.00.
7296.00 _ 165816.02
- 12. Number of Hours Reactor was Critical 745.00 6800.93 134989.56
- 13. Reactor Reserve Shutdown Hours 0.00 0.00 0 22
- 14. Hours Generator On-Lino 745.00 6737.61 132109.21
- 15. Unit Roserve Shutdown Hours 0.00 0.00 0.00
- 16. Gross Thormal Energy Generated (MWH) 118b165.00 10637950.50 195953255.50
- 17. Gross Electrical Enorgy Generated 398579.00 3536032.00 65283527.00
- 18. Not Electrical Energy Generated (HWH) 381230.00 3362927.00 61994897.00
- 19. Unit Servico Factor 100.00 92.31 78.86
- 20. Unit Availability Factor 100.00 92.3%
78.86 l
- 21. Unit capacity Factor (Using MDC Not) 101.53-91.45 73.43 i
(
- 22. Unit Capacity Factor (Using DER Not) 99.56 89.67 72.00 1
- 23. Unit-Forced Outage Rato 0.00 5.64 5.52
- 24. Shutdowns scheduled over next 6 months (Type, Date, and Duration of l
Each:- 1992 Refuelina Outaco scheduled to beain on_ March la 1992 and Jast for a six week ogriod.
- 25. If shut down at end of report period, estimated date of startup: N/A
- 26. Units In Test Status (prior to commercial operation): N/A Forecast Achieved INITIAL CRITICALITY
+
INITIAL ELECTRICITY COMMERCIAL OPERATION VYDPF 0411.01 DP 0411 Rev. 4 l
Pago 1 of 1 i
RT No -13.F01.19F l
t
+
i
l AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-271 UNIT Vermont Yankee DATE 911110 COMPLETED BY G.A.
WALLIN TELEPilONE (802)257-7711 MONTli October DAY AVERAGE DAILY POWER LEVEL DA" AVERAGE DAILY POWER LEVEL (MWo-Het)
(MWe-Not) 1.
508 17.
513 2.
507 18.
514 3.
508 19.
514 4.
510 20.
514 5.
508 21.
514 6.
497 22.
514 I
7.
512 23.
514 8.
513 24.
514 9.
513 25.
515 10, 510 2 6.-
513
-11.
510
- 27, 534 12.
512 28.
513 13.
513 29, 513 14.
512 30, 512 15.
514 31.
513 16.
513
- 25 hour day INSTRUCTIONS:
in this format, list the average daily unit power level in MWE-Net for each day in the-reporting month.
Compute to the nearest wholo 1
megawatt.
VYDPF 0411.02 DP'0411 Rev. 4 Page 1 of 1 RT No. 13.F01.18V I
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f i
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UNIT SUUTDOWNS AND POWER REDUCTIONS
'{
REPORT MONTH OCTOBER DOCKET NO 50-271 UNIT NAME Vermont Yankee l-DATE 911110 COMPLETED BY G.A. Wallin TELEPHONE (8021257-7711 i.
1 2
3 I
No.
Date Type Duration-Reason Method of License System Component Cause and Corrective l
l (hours)
Shutting Event Code Code Action to Prevent
^
Down Report #
4 5
Recurrence f
Reactor l
None i
I I
I L
I 1
F: Forced 2 Reason:
3 Method:
4 Exhibit G-Instructions
[
S: Scheduled A-Equipment Failure (Explain) 1 - Manual for Preparation of Data B-Maintenance or' Test 2 - Manual Scram Entry Sheets for License t
C-Refueling 3 - Automatic Scram Event Report (LER) File l
D-Regulatory Restriction 4 - Other (Explain)
E-Operator Training and License Examination 5 Exhibit I - Same Source t
VYDPF 0411.03 F-Administrative
[
DP 0411 Rev. 4 C-Operational Error (Explain)
[
Page 1 of 1 H-(Explain)-
}
f l
I l
i t
t F
=.n
DOCKET NO.
50-271 DATE 2J1110 COMPLETED BY G.A. W ALLIll._
TELEPHONE 1E22)257-7711 REPORT MONTH OCTOBER
SUMMARY
OF OPERATING EXPERIENCES 111ghliahts Vermont Yankee operated at 99.9% of rated thermal power for the month.
Gross electrical generation was 398.579 MWHe or 99.1% design electrical capacity.
Degrating Summary 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 ras operating at 99.9%
of rated thermal power.
911015 At 0001 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br />, the cooling towers were accur-ed and the plant returned to an open cycle mode of operation.
At the end of the reporting period the plant was operating at 99.9% of rated thermal power.
VYDPF 0411.04 DP 0411 Rev. 4 Page 1 of 1 RT No. 13.F01.18X l
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