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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THIS DOCUMENT CONTAINS 800526067I O

gooa cuauTv enats j 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_

=

\\

AVERAGE DAILY UNIT POWER LEVEL f

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

( ttWe-Ne t >

(MWe-Net) 4 1

3..-

17 550_ - _ - _ __

."a

-~4____-

10

_- __546_

l

_.._._-5.._._..

19

_365__.__.

.{

l 4

_.__-5..~._.__.__.._

20

-5 S-79__ _

'i

-5__

6

_370..

22

_ _ -4 7

._506 23-

-3_

O

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

24

_______-4_.________.

V

_ __ _5i9..

25

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

P i

2 10

_ _ _.. _._ _ S. i B -

26

- 4 7

11

_ 5 1 7.._._ _...._ _

27

-5._

i'

_ ___.. _ _508 __. __

28

_ _ _. 1 3 7 _ _

13

_473-_._____

29

_____._2i______.__._

'14

._ __.____ _547...__._

30

___.._ _ -4 3

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.

UNIT SIIUTDOWNS \\ND POhER REDUCliONS

. DOCKET NO.

50-263 UNIT N etE Moriticello DATE 5-Z-80 REPORT \\10NTil April CO%1PLETED BY A. L. Myrabo TELEPHONE 612/295-5151 I

"w 1,

5 I'2 g

cause a coneciise N...

DJie

~

y a

e-=

1.5 4.-

A..en...

R e ort :

v: s 32g

,} -

Present Recurrence

==

-z

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 this outage.

i 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