ML20039G608

Monthly Operating Repts for Dec 1981

ML20039G608
Person / Time
Site:	Prairie Island
Issue date:	01/05/1982
From:	Dugstad D NORTHERN STATES POWER CO.
To:
Shared Package
ML20039G606	List: ML20039G605 ML20039G608 ML20039G610
References
NUDOCS 8201180486
Download: ML20039G608 (8)

Text

, 6 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO. 50 282 UNIT Prairie Island No.1 DATE R?nins COMPLETED BY nAtr ntTRTAD TELEP110NE 612-388- 1121 MONTH DECEMBER, 1981 i-1- ~ The Unit was base loaded this month; no shutdcwns.

i i S

=

! E i E

! m i

E l

l 1

O l

~

l i.

O 8201180486 820109 ['

PDR ADOCK 05000282 PDR R _,

DAILY UNIT POWER OUTPUT I

DOCKET NO. 50 282 UNIT Prairie Island No. 1 DATE 820105 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388- 1121 MONTil DECEMBER, 1981 PAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net 1 460 17 519

{

a:

2 __458 18 519 j

~

3 463 19 515 G

517

{ 4 510 20 5 514 21 518 6 512 22 521 7 512 23 476 8 515 24 554 9 515 25 332 10 518 26 453 11 517 27 513 12 517 28 514 13 516 29 515 14 519 30 513 15 517 31 515 16 514 Average loads above 503 IMe-Net are due to cooler condenser circulating water.

b)'

c

OPERATING DATA REPORT O .

DOCKET NO 50- 282 DATE 820105 COMPLETED BY DALE DUGSTAD OPERATING STATUS TELEPHONE 612-388-1121

1. Unit Name: Prairie Island No.1

2. Reporting Period: DECEMBER, 1981 Notes

3. Licensed Thermal Power (MWt): 1650

4. Nameplate Rating (Gross MWe): 593

5. Design Electrical Rating (Net MWe): 530

6. Maximum Dependable Capacity (Gross MWe): 534 g 7. Maximum Dependable Capacity (Net MWe): 503

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

M Give Reason:

c' R

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

Reasons for Restrictions, If Any:

{j.0' This Month Yr-To-Date Cumulative 11.. Hours In Reporting Period 744 8760 70512

12. Number Of Hours Reactor Was Critical 744.0 ,7854.0 56021.1

13. Reactor Reserve Shutdown Hours 0.0' 18.8 5556.9 14.. Hours Generator On Line 744.0 7804.2 54794.8

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1231956 12535289 85255970

17. Gross Electrical Energy Generated (MWH) 397100 4098590 27580100

18. Net Electrical Energy Generated (MWH) 373690 3838792 2578/399_

19. Unit Service Factor 100.0 89.1- 77.7

20. Unit Availability Factor 100.0 89.1 77.7

-21. Unit Capacity Factor (Using MDC Net) 99.9 87.1 72.7

22. Unit Capacity Factor-(Using DER Net) 94.8 82.7 69.0

23. Unit-Forced Outage. Rate 0.0 0.3 10.7

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

Refueling. Fall of'1982, 6 weeks.

25. If Shut Down at End Of Report Period, Estimated Date of Startup:

i

1. _ =

\_ e3H A C O km >ZO m" WMO8H*OZM

M

• t CO'[o4 ZO. uOg N%. N ' ,

' j 1 l.

DY ON4 %OZHZ M 'V).oM*.

t

)

~e0" ' nZM4 .

• MDeM+c MCwNDu D ZO*..

C>HM D CNO Ou g OOZmtMHM0 mH O>MA q H>O l.:

0a

~

HMdt mN=OZM @WNlw0c5.H*.,i 3

l n 2 f g r M* cDmO0 m4 t ODDmc e OOMMcotW<m eu,,g e o sJ n on o e e n r

p y

i S o i t {>Dn t d e5 t

>0 r HOD . trO t r s d t c s o n e T au a ot a W$Onn % y C o d %NC<fDn W(3oCMMCDO(

D rO l e h u e S p o ui R t h R m C D (s eS o 5

M n C w

o v D e

R 0

2 1

P G

N I

P e N w d mOnnOc WmptOD o

Z xoO. .. M M"U *'cr e t CIHDI n . .

>1Mc.Cn

. CowaCcWeC m aeDr MP. ~cM3 m %{ yv

. t f H %4DCDH otMCDtrODC t r r O MOM s

e1Z4 *U t r oDp D @ 0M HCCn N CDC%H HM*M NMctDMDt*OD r> Om O1WrmcOw p

DQ O u >CvOQUrHO r

t HM+M OptPr MDrMM n*

t t3 CateC G O1Mc0aWunOMM 0 $ mtMWn e rOU d Cn" DOM nMMtw4+Dv MOM tdeOmDmDo M<3Urt (

M1O 0nDrOM Q$D DQ t

Q M*g pce n mMUs 3unrOD WCcOMtr ^tMWv "

MnwO

t. =

mi>Q5 DnatrM" 7o ^ZCNMOiOH&Hv Q1OcCMNnrOD$ mMMoM QM%o Dv u

=iO tr

• o M mMME1D MM'D M*U H rt H1 ht4aO hOcMOC C

/*%

(,,/ NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO. 50 306 UNIT Prairie Island No. 2 DATE d20105 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388- 1121 MONTH DECEMBER, 1981 The Unit was base loaded this month. On December 5, at 0128 the unit tripped due to the failure of Loop B feed reg valve caused by 2 the breakage of the actuator anchor bolts. It was back on-line at 1516 and returned to 100% power later that night.

e 5

2.

rm e-i l

v l

l l

t DAILY UNIT POWER OUTPUT S DOCKET NO. 50- 306 UNIT Prairie Island No. 2 DATE 820105 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388- 1121 MONTil DECEMBER, 1981 DAY AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net i 1 511 17 513 E

g 2 510 18 _ 511

{ 3 513 ,

19 508 S.

g 4 512 20 511 5 171 21 512 6 511 22 515 t

7 508 23 513 8 514 24 509 9 510 25 514 10 509 26 509 11 508 27 508 12 510 28 510 13 511 29 511 14 514 30 510 15 512 31 510 16 508 l

l Average loads above 500 ffde-Net are due to cooler condenser circulating water.

O

4 OPERATING DATA REPORT O

DOCKET NO 50- 306 DATE 820105 COMPLETED BY DALE DUGSTAD OPERATING STATUS TELEPHONE 612-388-1121

1. Unit Name: Prairie Island No. 2

2. Reporting Period: DECEMBER, 1981 Notes

3. Licensed Thercal Power (MWt): 1650

4. Nameplate Rating (Gross MWe): 593

5. Design Electrical Rating (Net MWe): 530 l

6. Maximum Dependable Capacity (Gross MWe): sat g- 7. Maximum Dependable Capacity (Net MWe): son 3

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

E Give Reason:

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

f'~$0. Reasons for Restrictions, If Any:

This Month Yr-To-Date Cumulative

11. Hours In Reporting Period 744 8760 61630

12. Number Of Hours Reactor Was Critical 734.3 6353.1 52734.9

13. Reactor Reserve Shutdown Hours 0.0 8.1 1516.1

14. Hours Generator On Line 730.2 6295.2 51866.1

15. Unit Reserve Shutdown Hours 0.0 '0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1195381 10148195 81247185

17. Gross Electrical Energy Generated (MWH) 395050 3302470 26061410

18. Net Electrical Energy Generated (MWH) 371776 3092811 24400714

19. Unit Service Factor 98.1 71.9 84.2

20. Unit Availability Factor 98.1 71.9 84.2

21. - Unit Capacity Factor (Using MDC Net) 99.9 70.6 79.1

22. -Unit Capacity Factor (Using DER Net) 94.3 66.6 74.7

23. Unit Forced Outage Rate 1.9 15.1 5.7

[}4. . Shutdowns Scheduled Over Next 12 Months (Type, Date and Duration of Each):

Refueling. Summer 1982, 6 weeks

25. If Shut Down at End Of Report Period, Estimated Date of Startup:

UNIT SHUTDOWNS AND ER REDUCTIONS DOCKET NO. 50- 306 * -

REPORT MONTH DECEMBER, 1931 UNIT NAME Prairie Island No. 2 DATE 820105 COMPLETED BY DATE DUGSTAD r

TELEPHONE 612-388 1121 a e m  % eri Licensee n, u Cause & Corrective Date $. O9 @ d3 Event 3$ 8m Action to N N$ $ 33$ Report # $0 @$ Prevent Recurrence

^

YO N 05$ $0 s*g O a

i

• e f 811205 F 13.8 A 3 N/A N/A N/A Rx trip due to the failure of H . Loop B feed reg valve caused g by the breakage of the actuator g anchor bolts.

m F: Forced Reason Method: Exhibit G-In-S: Scheduled A-Equipment Failure (Explain) 1-Manual structions for B-Maintenance or Test 2-Manual Trip Preparation of C-Refueling 3-Automatic Trip Data Entry Sheets D-Regulatory Restriction 4-Other (Explain) for Licensee Event E-Operator Training & License Examination -

Report (LER) File F-Administrative (NUREG-3161)

G-Operational Error (Explain) 5 H-Other (Explain Exhibit 1 - Same Source