ML20115H565
| ML20115H565 | |
| Person / Time | |
|---|---|
| Site: | Monticello  |
| Issue date: | 06/30/1996 |
| From: | Richard Anderson, Paustian H NORTHERN STATES POWER CO. |
| To: | NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM) |
| References | |
| NUDOCS 9607230208 | |
| Download: ML20115H565 (5) | |
Text
.
Northem States Power Company i
i Monticello Nuclear Generating Plant 2807 West Hwy 75 Monticello, Minnesota $s362-9637 Monticello Technical July 12,1996 Specification 6.7.A.3 US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Submittal of Monticello Monthly Operatina Report for June,1996 In accordance with Monticello Technical Specification 6.7.A.3, the report of operating statistics for the Monticello Nuclear Generating Plant for ths Month c; June is provided.
Please contact Marv Engen, Sr Licensing Engineer, at (612) 295-1291 if you require further information.
< SoA Roger O Ande.rson Director Licensing and Management issues c:
Regional Administrator-111, NRC NRR Project Manager, NRC Sr Resident inspector, NRC State of Minnesota Attn: Kris Sanda J Silberg I
3 9607230208 960630 PDR ADOCK 05000263
/[!
R PDR
1 1
OPERATING DATA REPORT j
DOCKET NO.
50-263 I
DATE 7-1-96 COMPLETED BY H. H.
Paustian TELEPHONE 612/295-5151 OPERATING STATUS
] Notes
]
Monticello
]
]
- 1. Unit Name 2.
Reporting eriod:
June
]
]
- 3. Licensed T ermal Power (MWt):
1670
]
]
- 4. Nameplate Rating (Gross MWc):
583.5
]
]
- 5. Design Electrical Rating (Net MWe):
559.9
]
]
- 6. Maximum Dependable Capacity (Gross MWe) : F;78.5
]
]
- 7. Maximum Dependable Capacity (Net MWe) :
550.5
)
]
- 8. If Changes Occur in Capacity Ratings (Itsms Number 3 Through 7) Since Last i
Report, Give Reasons: New turbine installed; new ratings estimated pending completion of performance testing 9.
Power Level To Which Restricted, If Any (Net MWe):
N/A
- 10. Reasons For Restrictions, If Any: __N/A I
THIS MONTH YR.-TO-DATE CUMULATIVE
- 11. Hours In Reporting Period 720 4367 219168
- 12. Number Of Hours Reactor Was Critical 629.5 3280.4 179040.3
- 13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7
- 14. Hours Generator On-Line 609.8 3128.1 175998.9
- 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
- 16. Gross Thermal Energy Generated (MWH) 940601 4645011 272697800
- 17. Gross Electrical Energy Generated (MWH) 322019 1571098 92201129
- 18. Net Electrical Energy Generated (1G04) 306937 1499014 88230386
- 19. Unit Service Factor 84.7%
71.6%
80.3%
- 20. Unit Availability Factor 84.7%
71.6%
80.3%
- 21. Unit Capacity Factor (Using MDC Net) 79.5%
64.0%
75.1%
- 22. Unit Capacity Factor (Using DER Net) 78.2%
62.9%
73.8%
- 23. Unit Forced Outage Rate 15.3%
6.4%
3.5%
- 24. Shutdowns Scheduled Over Next 12 Months (Type, Date, and Duration of Each) t
_None
- 25. If' Shut Down At End Of Report Period, Estimated Date Of Startup:
- 26. Units In Test Status (Prior to Commercial Operation): N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION l
l i
l I
l l
A -
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.
50-263 UNIT' Monticello DATE 7
.1-96 COMPLETED BY H. H.
Paustian TELEPHONE-612/295-5151 MONTH OF June DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)
'(MWe-Net) 1 560.
17 547.
2 559.
18 549.
3 559.
19 550._
4 560.
20 549.
5
- 560, 21 507.
6-558.
22 499.
7 545.
23 550.
8 530.
24 547.
9 467.
25 551.
10
-10.
26 549.
11
-6.
27 542.
12
-6.
28 541.
13 24.
29 539.
14 72.
30 541.
15 27.
16 230.
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.
NARRATIVE
SUMMARY
OF OPERATING EXPERIENCE DOCKET NO.
50-263 DATE.
7 l-96 COMPLETED BY H. H.
Paustian TELEPHONE 612/295-5151 MONTH JUN 06-01-96.
to Power operation 06-09-96 06-09-96 Reactor scram following loss of all Stator Water Cooling and turbine runback.
06-09-96_ Outage for. repairs to Stator Water to Cooling System.
06-13-96 i
06-13-96 Reduced power operation while testing Stator l
to Water Cooling' System l
06-15-96 06-15-96 Reactor scram following Panel C-83 electrical problems resulting in sensed loss of Stator Water Cooling and i
turbine runback.
j t
06-15-96 i
to Power operation l
06-21-96 l
06-21-96 Power reduced to 70% due to Isophase Bus Cooling j
problems.
Power returned to 100%.
j 06-22-96 Power reduced to 70% for Isophase Bus Cooling' repairs Power returned to 100%.
06-22-96 to Power operation.
06-30-96 Note: Power operation defined as essentially 100% of rated power except for weekend load drops for-l specified surveillance testing.
t i
IMIT SHUTDOWNS AND POWER REDUCTIONS D0GET No. 263 INIT NAME Monticello DATE 77-02-%
COMPIETED BY 11. H. Paustian REPORT MONTH June TELEPHONE [612/295-5151 -
Duration Reason Method LER System Cause & Corrective No.
Date Ty(pe (hours)
(2) of No.
Code e
Action to 1)
Shutdown (4)
(5)
Prevent Recurrence (3) 4 06 %
F 90.3 A
3
% -006 TJ P
Reactor scram after loss of both Stator Vater Cooling pumps.
5 06 %
S 36.8 B
4 N/A TJ P
Power limited to 50% during testing of Stator Vater Cooling repairs 6
06 %
F 19.8 A
3
% -007 IO IL Attempted replacement of indicator light on Generator Condition Monitor caused turbine runback and subsequent reactor scram.
7 06 %
S 25.6 B
4 N/A TJ P
Power limited to 50% during testing of Stator Vater Cooling repairs.
8 06 %
F 7.6 A
4 N/A TB BLO Power reduced to 70% due to Isophase Bus Cooling problems.
9 06 %
S 9.0 B
4 N/A TB BID Power reduced to 70% for Isophase Bus cooling repairs.
1 2
3 4
F: Forced Reason:
Method:
Draft IEEE Standard S: Scheduled A-Equipment Failure (Explain) 1-Manual 805-1984(P905-D5)
B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram 5
D-R lator Restriction 4-Other (Explain)
IEEE Standard 803A-1983 E
rator Training & License Examination F-inistrative G-Operational Error (Explain)
H-Other (E plain)
-