ML20056D741

Monthly Operating Rept for Jul 1993 for Monticello Nuclear Generating Plant

ML20056D741
Person / Time
Site:	Monticello
Issue date:	07/31/1993
From:	Richard Anderson, Paustian H NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9308170406
Download: ML20056D741 (5)

Text

_ _ _ _ _ _ _ _ _ _ _ _ _

+W Northem States Power Company 414 Nicollet Mall Minneapolis, Minnesota 55401-1927 Telephone (612) 330-5500 August 11, 1993 Monticello Technical Specifications Section 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 Monthly Operating Report July. 1993 Attached is the Monthly Operating Report for July,1993 for the Monticello Nuclear Generating Plant.

)

/

](

b

%4%

er O Anderson Director Licensing and Management Issues Director, Office of Resource Management c:

Regional Administrator-III, NRC NRR Project Manager, NRC NRC Resident Inspector State of Minnesota - Kris Sanda Attachment

/

I l-9308170406 930731 PDR R.

ADOCK 05000263 "i

h PDR Q

- - - - - - - - - - - - - - - - - - - ~ _ _ _. _ _ _ _ - -

q

~ OPERATING DATA' REPORT DOCKET NO.

50-263 DATE 8-2-93 l

l COMPLETED BY H. H. Paustian-TELEPHONE 612/295-5151

]

OPERATING STATUS

] Notes

.. ]

j 1.. Unit Name :

Monticello

]

]

12. Reporting period:

July

_]

]

13. Licensed Thernal Power (MNt):

1670

]

]

~4. Nameplate Rating (Gross MWe):

569

]

]

5. Design Electrical Rating (Net MWe):

545.4. ]

]L 16-, Maximum-Dependable Capacity (Gross MWe): __564

]

-]

f

7. Maximum Dependable Capacity (Net MWe):

536

]

]-

8. If Changes Occur in Capacity Ratings (Itens Number 3 Through 7) Since Last j

Report, Give Reasons:

r

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

N/A

10. Reasons For Restrictions, If Any: __N/A THIS MONTH YR.-TO-DATE CUMULATIVEJ 11.. Hours In Reporting. Period 744 5087 193608':

l

12. Number Of Hours Reactor Was Critical 722.6 3728.6

'155713.3 1

13. Reactor Reserve Shutdown Hours-0.0

0. 0_

940.7-

-14. Hours' Generator On-Line 722.6

.3678.4 152954'.6'

15. Unit Reserve Shutdown Hours 0.0' O.0 0 :01' 16.-Gross Thermal Energy. Generated (MWH)'

1188523-5818873

_235212286:

i

17. Gross Electrical Energy GeneratedL(MWH)- 400179 1972684-79503484 f

18. Net Electrical Energy Generated-(MWH) ~ 382388 1889610 76045497 i

19. Unit Service Factor 97.1%

72.3%-

79:0%

20.. Unit Availability Factor-97.1%

72.3%

79.0%

2:1. Unit Capacity Factor (Using MDC Net) 95.9%

69.3%

73.3%:

22. Unit' Capacity Factor-(Using. DER Net) 94.2%

68.1%-

72.0%

23. Unit Forced Outage Rate 2.9%

2.2%

_3.7%'

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

{

None

)

25. If Shut Down At End Of Report Period, Estimated Date Of Startup:N/A-3

26. Units'In Test Status (Prior.to Commercial Operation): N/A Forecast Achievedf 1

INITIAL _ CRITICALITY y

INITIAL ELECTRICITY-COMMERCIAL-OPERATION i

j 1

AVERAGE DAILY-UNIT POWER LEVEL

i e.

DOCKET NO.

50-263 UNIT Monticello__

DATE 8-2 COMPLETED BY H. H.

Paustian i

TELEPHONE. 612/295-5151 MONTH OF July DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL.

(MWe-Net)

(MWe-Net) 1 546.

17 534.

2 544.

18 532.

3 545.

19 533.

4 545.

20 533.

5 543.

21 535.

6 542.

22.

535.

7 --

542.21-537 8

-543.

24 454.

9 542.25-361.

10' 540.

26 537.

'11 542.

27' 527.12-536.

28 536.

13 535.

29 536.

14 538.

30 535.

~15 539.

31 48.

16 535.

' 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.

F-

. 4

' NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO, 50-263 DATE 8-2-93 COMPLETED BY H. H. Paustian L

TELEPHONE 612/295-5151 MONTH JUL 7-1-93 to Power operation.

7-24-93 7-24-93 to Power reduced to 30% to clean condenser tubesheets.

7-25-93 7-25-93 to Power operation.

7-31-93 7-31-93 Reactor scram on level due to condensate pump trip.

Note: Power. operation defined as essentially 100%'of rated' power except for weekend-load _ drops.for

-specified surveillance testing.

-)

e

8 UNIT SHiTID0VNS AND POWER REDUCTIM4S D00GT NO.

50-263-UNIT BAME 'lionticello DATE -1)8-05-93 COMPLETED BY -11. H. Pauscian REPORT MONTH July TELEPHONE 312/295-5151 ~~

I No.

-Date Type Duration Reason Method-LER System Comp.

Cause & Corrective (1)

(hours)

(2) of No.

Code Code Action to Shutdown (4)

'(5)

Prevent Recurrence (3) 5 07-24-93 S

0.0 B

4 N/A-SG COND Power reduction to 30% to clean condenser tube

. sheets.

6 07-31-93 F

21.4 A-3 93-008 SD 50 Automatttic reactor scram on level after conden-sate pun p trip via ground fault relay.

• 2 3

4 1

. Forced Reason:

Method:

Draft IEEE Standard F:

S: Scheduled A-Equipment Failure (Explain)-

1-Manual-805-1984(P805-D5)

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

D-Regulator Restriction 4-Other (Explain)

IEEE Standard.803A-1983 E-Operator Training & License Examination-

-F-Administrative G-Operational Error (Explain)

H-Other (Explain)

.u.

.... ~.

.-,..a.

.. c.

..._a-_...-,,,_.-,_._..

-