ML20029E581
| ML20029E581 | |
| Person / Time | |
|---|---|
| Site: | Waterford  |
| Issue date: | 04/30/1994 |
| From: | Becker T ENTERGY OPERATIONS, INC. |
| To: | |
| Shared Package | |
| ML20029E580 | List: |
| References | |
| NUDOCS 9405190124 | |
| Download: ML20029E581 (5) | |
Text
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NRC MONTHLY OPERATING REPORT
SUMMARY
OF OPERATIONS WATERFORD 3 APRIL 1994 The unit operated at an average reactor power of 17.8%, completed Refueling Outage 6, and experienced one (1) Reactor trip during the period.
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4 9405190124 940513 PDR ADOCK 05000302 R
9 l
PRESSURIZER SAFETY VALVE FAILURES AND CHALLENGES WATERFORD 3 During the month of April 1994, there were no pressurizer safety valve failures or challenges.
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OPERATING DATA REPORT DOCKET NUMBER: 50-382 UNIT NAME: WATERFORD 3 DATE OF REPORT: MAY,1994 COMPLETED BY:
T.S. BECKER TELEPHONE: 504-739-6683 OPERATING STATUS 1.
Reporting Period: April,1994 Gross Hours in Reporting Period: 719 2.
Currently Authorized Power Level (MWt): 3390 Maximum Dependable Capacity (Net MWe): 1075 Design Electrical Rating (Net MWe): 1104 3.
Power Level to which Restricted (if any) (Net MWe): N/A 4.
Reasons for Restriction (if any): N/A THIS MONTH YR TO DATE CUMULATIVE 5.
Number ol' Hours Reactor was Critical r
230.4 1,741.8 62,841.8 6.
Reactor Reserve Shutdown Hours 7.
Hours Generator was On-line 175.0 1,686.3 61,974.5 8.
Unit Reserve Shutdown Hours 9.
Gross Thermal Energy Generated (MWH) 433,275 5,542,602 204,571,079
- 10. Gross Electrical Energy Generated (MWH) 134,980 1,807,040 68,227,820
- 11. Net Electrical Energy Generated (MWH) 115,949 1,709,542 65,019,987
- 12. Reactor Service Factor 32.0 60.5 83.4
- 13. Reactor Availability Factor 32.0 60.5 83.4 i
- 14. Unit Service Factor 24.3 58.6 82.2
- 15. Unit Availability Factor 24.3 58.6 82.2
- 16. Unit Capacity Factor (using MDC) 15.0 55.2 80.2
- 17. Unit Capacity Factor (Using DER) 14.6 53.8 78.1 3
- 18. Unit Forced Outage Rate 10.4 1.2 3.4
m OPERATING DATA REPORT DOCKET NUMBER: 50-382 UNIT NAME: WATERFORD 3 DATE OF REPORT: MAY,1994 COMPLETED BY:
T.S. BECKER TELEPHONE: 504-739-6683 OPERATING DATA REPORT (Con't) 19, Shutdowns Scheduled over next 6 Months (type, date and duration of each):
20.
If Shutdown at end of report period, estimated date of startup:
21.
Unit in Commercial Operation THIS MONTH YR TO DATE CUMULATIVE
- 22. Hours in Reporting Period 719.0 2879.0 75,384.0
- 23. Unit Forced Outage Hours 20.3 20.3 2,199.0 24.
Nameplate Rating (Gross MWe): 1200 25.
If Changes Occurin Capacity Ratings (Items Number 2 and 24) Since Last Report, Give Reasons: N/A l
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W UNIT SHUTDOWNS AND POWER REDUCTIONS i
DOCKET NUMBER: 50-382 UNIT NAME: WATERFORD 3 DATE OF REPORT: MAY,1994 COMPLETED BY:
T.S. BECKER TELEPHONE: 504-739-6683 REPORT FOR APRIL.1994 Type Method of Shutting F = Forced Duration Down the Reactor or Cause, Comments and Number Date S = Scheduled (Hours)
Reason (1)
R_educina Power (2)
Corrective Actions 94-01 940304 S
523.7 C
4 Unit completed Refuel Outage 6 94-02 940426 F
20.3 A
3 The Reactor tripped on low pressurizer pressure which was the result of a mismatch between Reactor and Turbine power. The mismatch occurred when the Reactor Power Cutback System actuated as a result of a failed relay.
The cause of the mismatch in power is still under investigation.
(1) REASON (2) METHOD A=
Equipment Failure (explain) 1=
Manual B=
Maintenance or Test 2=
Manual Scram C=
Refueling 3=
Regulatory Restriction 4=
Continuation from Previous Period E=
Operator Training and 5=
Power Reduction License Examination 6=
Other(explain)
F=
Administrative G=
Operational Error (explain)
H=
Other(explain)
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