ML19290E887

Monthly Operating Rept for Feb 1980

ML19290E887
Person / Time
Site:	Monticello
Issue date:	03/04/1980
From:	Myrabo A NORTHERN STATES POWER CO.
To:
Shared Package
ML113110972	List: ML113110971 ML19290E887
References
NUDOCS 8003170269
Download: ML19290E887 (4)

Text

. t NAltRATIVE StANAltY OF OPERATING EXPERIENCE DOCKET NO. 50-263 LNIT hbnticello DATE 3-4-80 CCNPLETED BY A. L. Myrabo TELEPfiONE 612/295-5151 htymi Febnsary 2/1/80 Shutdown to complete primary containment isolation reset logic to modification for NUREG 0578, item 2.1.4 implementation. Outage 2/3/80 extended due to spurious IR\f scram on startup.

2/4/80 .

to Power operation during end-of-cycle coastdown.

2/13/80 2/14/80 Reduced power to 60% after one feedwater pump removed from service due to bearing failure.

2/16/80 Reduced power to 30% to perfom main condenser tube leak inspection.

2/17/80 to Power operation at 60%.

2/21/80 2/22/80 to Shutdown for 1980 refueling outage.

2/29/80

- ~

MAR 0 7 1980 OPERATING DATA REPORT DOCKET NO. 50-263______

DATE 3- 4-80_..__

COMPLETED BY A. L. Myrabo TELEPHONE 612/295-5151 CPERATING STATUS ____________________________

INotes i

1. J1it Name ________________________Monticelto l l

2. Peporting period: ___________________ FEBRUARY l (

3. Licensed Thermal Power (MWt) _______..____1670 l l 4 Nameplate Rating (Gross MWe): ______.______569 l [

5. Design Electrical Rating (Net MWe): _____545.4 I i

6. Maximum Dependable Capacity (Gross MWe) __564 l l

7. Maximum Dependable Capacity (Net MWe): ____536 l__________________________l

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

9. Power Level Ta Which Restricted, If Any (Net MWe): ___N/A______________.__.._

10. Reasons For destrictions, If Any: __N/A________________..____________________

This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period _____696 _____1440 ____ 75985

12. Number Of Hours Reactor Was Critical ___479.6 ___1223.6 62754.5

13. Reactor Reserve Shutdown Hours

_____0.0 ______0.0 _____940.7 14 Hours Generator On-Line ___467.1 ___1211.1 __ 61181.2

15. Unit Reserve Shutdown Hours _____0.0 ______0.0 ____.__0.0

16. Gross Thermal Energy Generated (MWH) _ 530513 _ 1553878 _100496740

17. Gross Electrical Energy Generated (MWH) __175800 __ 521150 __31499210

18. Net Electrical Energy Genera ~ted (MWH) __i66768 __ 497094 __30129290

19. Unit Service Factor __ 67.1 % ___ 84.1% ___. 80.5%

20. Unit Availability Factor __ 67.1% ___ 84.1%

21. Unit Capacity Factor (Using MDC Net)

____ 80.5%

__ 44.7% ___ 64.4% ____ 74.0%

22. Unit Capacity Factor (Using DER Net) __ 43.9% ___ 63.3% ____ 72.7%

23. Unit Forced Outage Rate __ i.7% ___ O.7% 6.3%

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

__None_______________________________________________________ _______

25. If Shut Down At End Of Report Period, Estimated Date Of Startup:__03-28-80__

26. Units In Test Status (Prior to Commerc ia L Opera t ion)- N/A Forecast Achieved INITIAL CRITICALITY ..______. ________

INITIAL ELECTRICITY ________ ________

COMMERCIAL OPERATION .____..__ ________

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-263______

UNIT Monticello__

DATE 3- 4-80..___

COMPLETED BY A. L. Myrabo TELEPHONE 612/295-5151 MONTH ______ FEBRUARY _______

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY F0WER LEVEL (MWe-Net) (MWe-Net) i __________204____________ 17 __________333____________

2 -4____________ 18

__________326_______.__.._

3 13____________ 19

__________326____________

4 __________349____________ 20 __________324____________

5 __________434____________ 21 __________322____________

6 __________411____________ 22 __________167____.._______

7 __________409____________ 23 __________ -4____________

8 __________410____________ 24 __________ -4____________

9 __________410____________ 25 __________ -4_____..______

10 __________408____________ 26 __________ -3_______..____

11 __________405____________ 27 __________ -3_.____ _____

12 __________405____________ 28 __________ -3____________

13 __________402____________ 29 ______..___ -3________.___

14 __________352____________ 30 _________________________

15 __________335____________ 31 _________________.._______

16 __________236____________

INSTRUCTIONS On this format, list the average daily unit power level in NWe-Net for each day in the reporting month. Compute to the nearest whole megawatt.

a UNIT SilUIDOWNS %ND POhER REDUCTIONS DOCKET NO. 50-263 ,

UNIT N AME Monticello DATE 3-4-80 REPOR T MON Til February COMPLETED BY A. L Mvrnhn TELEPilONE 612/295- 151

\" Date

-, .5 2 5?

h h$

.5 s $

thesace 8 4.,  % Cause & Correstise i 4 Esem s? [> Asimn to H

$5 5 5ig Report = AL ,5 '-' Preseni Recurrense

< o

i 1 2-1-80 S 45.3 D 1 N/A SD INSilU-X Primary Containment Isolation Reset Logic Modification. NUREG 0578, Itmi 2.1.4 implementation.

2 2-3-80 F 8.2 A 3 N/A IA INSTRU-E Full IRM scram occurred from a spur-ious upscale spike on IRM channel 14.

Earlier trip on "B" RPS channel was not fully reset.

3 2-16-80 S 0 B 4 N/A FC FilHOI Reduced power to 30% to perform conder -

e ser tube leak test.

4 2-22-80 S 175.4 C 1 N/A ZZ ZZZZZZ End of cycle 7 refueling ontage.

i  : 3 4 F- Forced Reason . Method:

S. Scheduled Edubit G Instructions A. Equipment Failure (Esplain) l-Manual for Preparation of Data B-Maintenance or Test 2 Manual Scram. Entry Sheets for Licensee C Refueling 3 Automaine Strain- Esent Report (LER) Fi!c iNUREG-D-Regulatory Restriction 4-Other (Explain i 0161) l EOperator Training A Li, ens: Eumination F-Administrati.e 5 G Overational Ereor (Esplam E dubit I - Same Source (9/77) 11 Other ( E splau;)