ML19309H872

Monthly Operating Rept for Apr 1980

ML19309H872
Person / Time
Site:	Monticello
Issue date:	05/02/1980
From:	Myrabo A NORTHERN STATES POWER CO.
To:
Shared Package
ML113110980	List: ML113110979 ML19309H872
References
NUDOCS 8005200578
Download: ML19309H872 (4)

Text

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O THIS DOCUMENT CONTAINS gooa cuauTv enats j 800526067I NARRATIVE SIM4ARY OF OPERATING EXPERIENG DOCKET NO. 50-263 INIT , A nticello DATE 5-2-80 COMPLETED BY A. L. Myrabo TELEPHONE '612/295-5151 f.0VIII _

April 4-1-80 to Continuation of 1980 refueling outage.

4-3-80 4-4-80 Reactor critical for physics testing and reactor heat-up.

4-5-80 Generator on-line prior to turbine overspeed test. Turbine overspeed test completed.

4-6-80 Power operation at essentially 100% of rated power except for weekend to surveillance testing and control rod adjustments.

4-18-80 4-19-80 Reactor scram on turbine trip due to reactor high level. Trip was received while attempting orderly shutdown because of failed recirc pump seals.

4-26-80 Scheduled outage to repair recirc pump seals-hUfE: Reactor was in a shutdown condition prior to the start of this outage.

4-28-80 Generator on-line for power operation.

4-29-80 Orderly shutdown due to failure of recirc pump seal, to 4-30-80

s

. MAY 1 3 1980 OPERATING DATA REPORT DOCKET NO. 50-263_______

DATE 5- 2-80____

COMPLETED BY A. L. Myrabo TELEPHONE 612/295-5151 OPERATING STATUS _ _ .._._ ___ ________ ____

l Notes l 1 Unii h o.io . . . _ __..__ __ __. __itonticelto l l

' . ' . Reportinq peitod: __._. _._ _. .. __.. APRIL l l

.5 . L i c tmsed Therraa l Power (MWt): _ ____ _ __ 1670 l l

4. Naraepiate Ratang (Gioss Mue) _.__..__ __ 569 l l S. im s 9 n Electrical Rating (Net MWe) _. ___545.4 l l

6. M a x iva.ua Dependable Copacity (Gross MWe) __564 l l

7. tu rinnua Dependahle Capacity (Net hdGl _ _S36 I.__.._.__.__.____-_--._----.-I

.l. It Chan9es Occur in Capacity Ratings (Iterns Nurnber 3 1hrough 7) Since Last Repnr t , Give Rea<ons: _ _. N / A _ .. . .,..__ ___ ___ _ _ ._ ____ __ __

Pow r> r ievel 1.6 Which i<estracted, 'i

• c. ; (Net NWo) __tUA________.__.__._..__

,( R. m 3 0.. . For 1' .tvicttons, If Any* .tUA___.__________.___.____.______*_

__.._ __. ___ ___ ____.___._-.. _. ._. _.__._ _ _._ _ _.--..- -_ -- -_.. -.L This Month Yr.-to-Date Curnulative i1. Hours In Reporting Period _____719 ____2903 ___ 77440

12. N urnber Of Hours Reactor Was Critical ___415.5 __ 1639.1 __ 63170.0

13. Reactor Reserve Shutdown Hours _ 0.0 ___ __0.0 _._ ._._ 9 4 0 . 7

14. Hours Generator On-Line ___360.6 ___i571.7 _. 61541.0

15. Unit Reserve Shutdown Hours _____0.0 .___ _ 0.0 ____ __0.0

16. Gross Therrna l Energy Generated (MWH) ._ 536251 _ 2090129 _101032991

17. Gross Electrical Energy Generated (MWH) _ 182410 __ 703560 _ 31681620

10. Net Electrical Energy Generated (MWH) _ 173908 __ 668750 __30300954

19. Unit Service Factor __ 50.2% _._ 54.1% __ _ 79.5%

20. Unit Availability Factor __ 50.2% ___ 54.1% '

____ 79.5%

21. Unit Capacity Factor (Using .MDC Net) __ 45.1% __ 43.0% ._. 73.0%

22. Unit Capacity Factor (Using DER Net) _ 44.3% __ 42.2% _ __ 71.7%

23. Unit Forced Outage Rate _ 35.2% __ 11.5% ____ 6.6%

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

__ March 20, 1981 - Refueling Outage - 56 days ____ ___.___.________________ _

25. If Shut Down At End Of Report Period, Estirnated Date Of Startup:__05-16-80__

26. Units In Test Status (Prior to Corarnerc i a l Opera t lon) . N/A Forecast Achieved INITIAL CRITICALITY _ __ _.. __ _____

INITIAL ELECTRICITY _ _____ ________

COMMERCIAL OPERATION ___ ___ __.___2_

=

\

f AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-263 ._ .__

UNII MonticeLLo DATE 5- 2-00_____

COMPLETED BY A. L. Myrabo TELEPHONE 612/295-5151 hfir4 l Il ....APhlL . _ _ . _

I> A Y AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL.

1 4

( ttWe-Ne t > (MWe-Net) 1 .- . _ _ 3..- . -,_._ -

17 _ _____ 550_ - _ - _ __

< ."a _ _ _ _ . _ _ . _ . -~4____- _._ __

10 _ _- __546_ ______ _

l

_365__.__.

.{ _.._._-5.._._.. 19 __ ___ -_..__

l 20 -5 4 _.__-5..~._.__.__.._ _ ___ .. __ _._____

S- _ _ . _ . . 79__ _ __ ___

'i _ ._ _ ._ -5__ _.____ __

6 .... .. _370.. _ ._.__.

22 _ .___. _ _ -4 __._ _ __

,. 7  ;....._ ._506 . _. .

23- ._ _- -3_ _ _._ -

O _ __...__.. .527._ _ _ __.__._

24 _______-4_.________.

V . _ __ _5i9 .. ._ __ _

25 ___._ ___ -4 _ _ __._ _.__

P i

26 -4 2

7 10 _ _ _ .. _ ._ _ S. i B - _. _

, 11 _ . ._ _ _ _ _ 5 1 7 . ._ ._ _. . . ._ _ 27 _ _ _ . -5._ _-.___ _

i'& _ ___.. _ _508 __. __ _

28 -. ___.137__ - _ _. _

13 _.___ _ _473-_._____ __ ,

29 _____._2i______.__._

___.._ _ -4 30 3

'14 ._ __.____ _547 ...__ ._ _

15 .._.___ _ 551 _._ _____.___. 31 _ _ _ . . _ _ _ _ _ . . _ _ _ . _

. 16 __________547____________

t INSTRUCTIONS-On this format, tist~the average daily unit power level in MWe-Net for e-Och ddy in.the, reporting-Month. Compute to the nearest whole megawatt.

.. 1 0, y.

. DOCKET NO. 50-263 UNIT SIIUTDOWNS \ND POhER REDUCliONS ,

UNIT N etE Moriticello DATE 5-Z-80 April CO%1PLETED BY A. L. Myrabo REPORT \10NTil TELEPHONE 612/295-5151 I

"w _

N... DJie 1, 5 $#""'~ I'2 g cause a coneciise y a e-= R e ort :

1.5 4 .- A ..en ...

== -z 32g v: s

,} - Present Recurrence

5 4' 4-1-80 S 101.6 C 4 N/A ZZ ZZZZZZ Continuation of 1980 Refueling Outage.

5 4-5-80 S 3.2 B 1 N/A IIA 'IURBIN Turbine overspeed test 6 4-19-80 F 151.2 A 3 N/A CB PtNPXX Turbine' trip on high level while re-ducing power after recirc pump seal failure. Seals on both recirc pumps replaced.

17, .4-26-80 S- 57.5 A 4 N/A CB IWIPXX Outage taken to repair recirc punp seal.

N0lI: Reactor was in s shutdown con dition prior tothe start of i

this outage.

8 4-29-80 F 44.8 A 1 N/A CB PtNPXX Plant shutdown to repair recirc punp seal.

I 2 3

• 4 F: Forced Reason: Method: Edubii G - Inst ructions S Schedulet! A Equ;pment Failure (Explain)  !-Manual ' for Preparation of Data B. Maintenance or Test 2 Manual Scram. Entry Sheets fer Licensee

- C Refueling 3 Automatic Scram. Esent Report (LER) File t NUREG.

D Regulator) Restriction 4 Other (Explaini 0161)

E-Operator Training & License Examination .

F-Administrati.e .

5 G. Operational Error (Explain t Exhibit I - Same Source 19/77) Il Other (Explaint