ML20035E278

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Monthly Operating Rept for Mar 1993 for Monticello Nuclear Generating Plant
ML20035E278
Person / Time
Site: Monticello 
Issue date: 03/31/1993
From: Richard Anderson, Paustian H
NORTHERN STATES POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9304150122
Download: ML20035E278 (5)


Text

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Northem States Power Company I

414 f4icollet Mall fAnneapohs, Minnesota 55401-1927 Telephone (612) 330-5500 August 12, 1993 Monticello Technical Specifications Section 6.7.A.3 US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PIMr Docket No. 50-263 License No. DPR-22 Monthly Operating Report March. 1993 l

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Attached is the Monthly Operating Report for March,1993 for the Monticello l

Nuclear Generating Plant.

b kpxd M[%~

Roger O Anderson Director Licensing and Management Issues c:

Director, Office of Resource Management Regional Administrator-III, NRC NRR Project Manager, NRC NRC Resident Inspector State of Minnesota - Rris Sanda l

Attachment l

t 9304150122 930331

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ADOCK0500g3

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PDR R

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OPERATING DATA REPORT l

DOCKET NO.

50-263

(

DATE 4-1-93 l

COMPLETED BY H. H.

Paustian TELEPHONE 612/295-5151 OPERATING STATUS

] Notes

]

1. Unit Name :

Monticello

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2. Reporting period:

March

]

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3. Licensed Thermal Power (MNt):

1670

]

]

1

4. Nameplate Rating (Gross MWe):

569

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5. Design Electrical Rating (Net MWe):

545.4

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6. Maximum Dependable Capacity (Gross MWe): __564

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7. Maximum Dependable Capacity (Net MWe):

536

]

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8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

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9. Power Level To Which Restricted, If Any (Net MWe):

N/A

10. Reasons For Restrictions, If Any: __N/A I

f THIS MONTH YR.-TO-DATE CUMULATIVE j

11. Hours In Reporting Period 744 2160 190681 i
12. Number Of Hours Reactor Was Critical 195.1 823.0 152807.7 l
13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7 l
14. Hours Generator On-Line 147.8 772.8 150049.0
15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 l
16. Gross Thernal Energy Generated (2003) 225322 992523 230385936
17. Gross Electrical Energy Generated (MWH) 76386 329314 77860114 j

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18. Net Electrical Energy Generated (MWH) 70712 309569 74465456 l
19. Unit Service Factor 19.9%

35.8%

78.7%

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20. Unit Availability Factor 19.9%

35.8%

78.7%

21. Unit Capacity Factor (Using MDC Net) 17.7%

26.7%

72.9%

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22. Unit Capacity Factor (Using DER Net) 17.4%

26.3%

71.6%

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23. Unit Forced Outage Rate 29.2%

7.3%

3.7%

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24. Shutdowns Scheduled Over Next 12 Months (Type, Date, and Duration of Each)

)

.None i

25. If Shut Down At End Of Report Period, Estinated Date Of Startup:N/A
26. Units In Test Status (Prior to Commercial Operation): N/A Forecast Achieved INITIAL CRITICALITY l

INITIAL ELECTRICITY COMMERCIAL OPERATION l

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-263 UNIT Monticello__

l DATE 4-1-93 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 I

i MONTH OF March DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (Ifde-Net )

(MWe-Net) i 1

-3.

17

-5.

2

-3.

18

-5 3

-3.

19

-7.

4

_ -3.

20

-6.

i 5

-3.

21

-7.

6

-3.

22

-9.

7

-4.

23

-10.

8

-4.

24

-8.

9

-4.

25 11.

10

-4.

26 292.

I 11

-3.

27 550.

l F

12

-3.

28 548.

t t

13

-3.

29 551.

l 14

-3.

30 551.

15

-2.

'31

'553.

l 16

-5.

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l INSTRUCTIONS l

On this format, list the average daily unit power level in Ifde-Net for each -

day in the reporting month.

Compute to the nearest whole megawatt.

..m....

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j NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE j

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DOCKET NO.

50-263 1

DATE 4-1-93 COMPLETED BY H. H.

Paustian TELEPHONE 612/295-5151 i

MONTH MAR i

3-1-93 to Plant shut down for 1993 Refueling Outage.

I 3-21-93 3-21-93 Reactor physics testing in progress.

3-22-93 Reactor critical in A2R3 control rod sequence for Cycle 16 startup.

3-23-93 Reactor scram during turbine valve testing for Cycle 16 startup.

I 3-24-93 Reactor critical.

Shutdown required to repair leaking Safety Relief Valves.

i 3-25-93 Reactor critical.

Generator on-line.

3-26-93 Generator briefly off-line for turbine overspeed test.

to Generator back on-line.

Power operation.

3-31-93 l

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Note: Power operation defined as essentially-100% of rated power except for weekend load drops for specified surveillance testing.

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l. WIT SIRITDOVNS AND POVER REDUCTIONS DOCKET NO.

50-263 UNIT NAME MonticG110 DATE 04-01-93 COMPLETED BY H. H. Paustian-REPORT MONTH March TELEPHONE [612/295-5151 No.

Date Ty(pe (hours)

(2) of No.

Code Code Action to Duration Reason Method LER System Comp.

Cause & Corrective 1)

Shutdown (4)

(5)

Prevent Recurrence (3) 1 03-01-93 S

535.4 C

1 N/A Plant shutdown for 1993 (E0C15) refueling outage 2

03-23-93 F

27.5 G

3 93-006 JI PCV Automatic scram during turbine stop valve leak test caused by procedural change.

3 03-24-93 F

33.3 A

2 N/A SB RV Shutdown required to repair leaking Safety Relief Valves.

1 2

3 4

F: Forced Reason:

Method:

Draf t IEEE Standard S: Scheduled A-Equipment Failure (Explain) 1-Manual 805-1984(P805-D5)

B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram 5

D-Regulator Restriction 4-Other (Explain)

IEFE Standard 803A-1983 E-Operator Training & License Examination P-Administrative G-Operational Error (Explain)

H-Other (Explain)

..