ML19208B002

Monthly Operating Rept for Aug 1979

ML19208B002
Person / Time
Site:	Prairie Island
Issue date:	09/01/1979
From:	Hunstad A NIAGARA MOHAWK POWER CORP.
To:
Shared Package
ML19208A998	List: ML19208A997 ML19208B002
References
NUDOCS 7909180404
Download: ML19208B002 (8)

Text

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vanRATTVF SU N i'" 0F CPERiTTYG FXPERIENCE DOCKET 9:0. 50 282 UtilT Pref rie Island No.1 DATE /909U1 Cc!Tf.ETED PN A. A. Hunstad __

TELEPI!ONE 612-388-4767 o

> August 1979 p yn*tTH The unit was restarted at 1728 on August 3rd minus four rows of HP turbine g blading. The unit was taken off at 0357 on the 4th for a turbiae overspeed y test and returned to service at 0900 the same day. The unit is in Load o4 Follow operation this month.

SG127G 7909180YC /

DAILY UNIT POWER OUTPUT DOCKET NO. 50-282 ~

UNIT Prairie Island No.1 ~

DATE 790901 ~

C0!!PLETED BY A. A. Hunstad TELEPil0NE 612-388-4767 10NTil_ __ _

August 1979 D \Y AVERACE LOAD MWe-Net DAY AVERAGE I.0AD FNe-Net 1 -16 17 469 3 -16 jg 469 3

-8 39 470

, 76 20 472 339 21 471 c, 446 470 22 7 468 23 470 465 24 461 o 469 25 380

,9 474 y 465 470 461

,1 37 37 468 459 28 33 472 470 29 g 469 470 30 15 396 y 471 468 16 Averige loads above 503 !Ne-Net are due to cooler condenser circulating water.

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OPERATING DATA REPORT h1 DOCKET NO 50 282 DATE 790901 COMPLETED BY A. A. Hunstad OPfPATING STATUS TELEPHONE 612-388-4767

1. linit Name: Prairie Island No. 1 Reporting Period: August 1979 Notes

3. Licensed Thermal Power (FNt): 1650 l Nameplate Rating (Cross FNe):

.. 593  ;

5. Design Electrical Rating (Net FNe): 530 I

6. Muinum Dependable Capacity (Gross FNe): 301 C 7. Maximum Dependable Capacity (Net FNc): 470

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

m- Reason: Four rows of HP turbine blading have been removed.

9 Nwer Level To Which Restricted. If Any (Net FNe):

n. 9 easons for Restrictions, If iny:

This tknth Yr-To-Date Cuuulative Hours In Reporting Period 744 5831 51039 i iamber Of Hours Reactor Was Critical 699.0 4349.8 39038.9 1 N m .ar Reserve Shutdown Hours 45.0 810.1 5265.2 4 Hours Generator On Line 673.5 4263.4 37980.6 Nit Reserve Shutdown Hours 0.0 0.0 0.0

o ss Thermal Energy Generated (bNH) 1055832 6605806 5_8_886388 a > Electrical Energy Generated (BNH) 318960 2140240 19171130

18. Net Electrical Energy Generated (MWH) 296752 1999734 17928166

19. Unit Service Factor 90.5 73.1 74.4

20. Unit Availability Factor 90.5 73.1 7_4 . 4

21. Unit Capacity Factor (Using MDC Net) 84.9 68.5 70.1

22. Unit Capacity Factor (Using DER Net) 75.3 64.7 66.3

23. Unit Forced Outage Rate 8.9 15.1 12.8

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

Ret'aeling, Spring 80, 5 weeks.

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

80.1.UM

"NI~ S'. ,' 0;D POT 1 1:yJ; rT r;s 20CJCr :D. 30 282 _ _ _ . _ _ _ . _ _

REPO:- MONTH Augus* 1979 UNIT N201E ?rairia t ilan ] No. 1 Df.IE 790901 CSMPLET2.D 3Y _,A . A._)luns_ tad. ._

TILEPd0 ;E 512-333-4767 e .

a !c a C '

.% u s Licensee +ao u Causa & Carcactiva Date g" 0

• 3 C 0 ^m o O .s: u Event 1' u -o oo Actica to s u u a ou o i >,m aa c y e ao a ou a Repart .,c o o Pravant da.:urraac a uo a .c c a to 2. o 35 x uge go 4 s  !

u O

l g _ __

ci 790704 F 65.5 A 1 N/A I,HA TURBIN Shutdown due to HP turbine damage, m '

ed m 790804 S 5.0 B N/A N/A '

N/A N/A Shutdown to conduct turbine over-

!$  ; speed test.

s

= i t I ed t

9 L - --

Bw -___-

l 2 3 4

([ F: Forced S: Scheduled Reason A-Equipment Failure (Explain)

Method:

1-Manual Exhibit.G-In-structions for

[,, B-Maintenance or Test 2-Manual Trip Preparation of I C-Refueling 3-A.itomatic Trip

. Data Entry Shoots

@ D-Regulatory Restriction 4-Other (Explain) for Licensae Event E-Operator Training & License Examination Report (LET) Fila F-Administrative (NUREC-0151)

G-Oper nional Error (Explain) 5 H-Other (Sxplain Exhibit 1 - i r.2 " r:2 1

NARRATTVE SITVMAU OF OPERATING EXPERIENCE DOCKET NO. 50- 306 UNIT Preirie Island No. 2 DATE 790901 C0!!DLETED P,Y A. A. Hunstad __,

TELErit0NS 612-308-6767 O

7 ) PfWTH August 1979

?

"$ The unit was in Load Follow operation this month; no shutdown.

i d

m IN1280

DAILY UNIT POWER OUTPUT DOCKET NO. 50-306 UNIT Prairie Island No. 2 DATE 790901 COMPLETED BY A. A. Hunstad TELEPHONE 612-388-4767

. , ..v..,.

MONT11 August 1979 g g-Illd,Bij L \

DW AVERAGE LOAD MWe-Net DAY AVERAGE LOAD MWe-Net 498 17 415

> 495 ;g 485 3 493 39 459 494 20 426

, 495 21 491

(, 494 22 490 7 477 23 493

. 494 24 426 9 492 25 492 10 496 26 393 495 27 419 37 494 455 28 13 493 29 461 14 427 30 490 15 443 31 491 16 432 Average loads above 500 t rie-Ne t are due to cooler condenser cir' ulating water.

.(11/3(3),

OPERATING DATA REPORT DOCKET NO 50- 306 k\ '

DATE 790901 COMPLETED BY A. A. Hunstad OPERATING STATUS TELEPHONE 612-388-4767

1. Unit Name: Prairie Island No. 2

2. Reporting Period: August 1979 Notes

3. Licensed Thermal Power (MWt): 1650 l

4. 7:ameplate Rating (Gross MWe): 593

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

6. Lyimum Dependabic Capacity (Gross MWe): 531 7 Maximum Dependabic Capacity (Net FNe): 500 S. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report:

Give Reason:

c

{ 4  :'ower Level To Which Restricted, If Any (Net MWe):

E 10. Reasons for Restrictions, If Any:

This Month Yr-To-Date Cuuulative i

Hours In Reporting Period 744 5831 41157 Number Of Hours Reactor Was Critical 744.0 5777.2 36220.8 l' W.ctor Reserve Shutdown Hours 0.0 6.5 1385.2

14. Jaurs Generator On Line 744.0 5764.8 35500.4

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 16 c ross Thermal Energy Generated (FNH) 1173679 9050760 55070345 Gro"s Electrical Energy Generated (FNH) 373800 2947900 17535640 l b. Net Electrical Energy Generated (bNH) 350296 2766987 16412575

19. Unit Service Factor 100.0 98.9 86.3

20. Unit Availability Factor 100.0 98.9 86.3

21. Unit Capacity Factor (Using MDC Net) 94.2 94.9 79.8

22. Unit Capacity Factor (Using DER Net) 88.8 89.5 75.2

23. Unit Forced Outage Rate 0.0 0.4 5.2

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

Refueling, January 1980, 5 weeks.

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

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