ML20065J653

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Monthly Operating Repts for Mar 1994 for Prairie Island Nuclear Plant
ML20065J653
Person / Time
Site: Prairie Island  Xcel Energy icon.png
Issue date: 03/31/1994
From: Dugstad D
NORTHERN STATES POWER CO.
To:
Shared Package
ML20065J650 List:
References
NUDOCS 9404180353
Download: ML20065J653 (8)


Text

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l NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE .:

l DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE APRIL 5, 1994 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 MONTH: MARCH 1994 The Unit was base loaded this month, there were no shutdowns.

CURRENT CONTINUOUS' OPERATING RUN.0F 406 DAYS.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-282 UNIT PRAIRIE' ISLAND NO.1 DATE APRIL 5, 1994.

COMPLETED BY DALE DUGSTAD TELEPHONE- 612-388-1121-4376 MONTH: MARCH 1994 DAY AVERAGE DAILY POWER LEVEL (MWE-NET) 1 532 2 529 3 530 4 530 5 532 6 530 7 530 8 532 9 529 10 532 11 530 12 532 13 528 14 532 15 529 16 533 17 529 18 531 19 530 20 530 21 531

22. 532 23 532 24 530 25 533 26 530 27 530 28 531 29 531 30 531 l 31 527 l

AVERAGE LOADS ABOVE 513 MWE-NET ARE DUE l TO COOLER CONDENSER CIRCULATING WATER

UNIT SHUTDOWNS AND POWER REDUCTION 1 DOCKET NO 50-282 UNIT NAME PRAIRIE ISLAND NO. 1 DATE APRIL 5, 1994

COMPLETED BY DALE DUGSTAD _,

TELEPHONE 612-388-1121-4376 MONTH: MARCH 1994 DATE TYPE HOURS REASON METHOD LER NUMBER SYSTEM COMPONENT YY/MM/DD 000.0 94/03/00 NONE 1 f TYPE REASON METHOD SYSTEM CODE

. F-FORCED A-EQUIPMENT FAILURE 1-MANUAL DRAFT IEEE STD S-SCHED B-MAINTENANCE OR TEST 2-MANUAL TRIP 805-1984 (P805-D5)

C-REFUELING 3-AUTO TRIP D-REGULATORY RESTRICTION 4-CONTINUED E-OPERATOR TRAINING & 5-REDUCED LOAD COMPONENT CODE LICENSE EXAMINATION 9-OTHER H F-ADMINISTRATIVE IEEE STD 803A-1983 G-OPERATIONAL ERROR H-OTHER 1

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OPERATING DATA REPORT DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE APRIL 5, 1994 COMPLETED BY DALE DUGSTAD TELEPHONE' 612-388-1121-43761 OPERATING STATUS

1. UNIT NAME: PRAIRIE ISLAND NO. 1
2. REPORTING PERIOD: MARCH 1994
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): 545
7. MAXIMUM DEPENDABLE CAPACITY (NET MWE): 513
8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS NUMBER 3 THROUGH 7)

SINCE LAST REPORT GIVE REASON: NONE

9. POWER LEVEL TO WHICH RESTRICTED,.IF ANY (NET MWE): NONE-
10. REASONS FOR RESTRICTIONS, IF ANY: NONE THIS MONTH YR-TO-DATE CUMULATIVE'
11. HOURS IN REPORTING PERIOD 744 2160 177864-
12. NUMBER OF HOURS REACTOR WAS CRITICAL 744.0 2160.0 152466.9
13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 5571.1
14. HOURS GENERATOR ON-LINE 744.0 2160.0 150841.9-
15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0 16._ GROSS THERMAL ENERGY GENERATED (MWH) 1223693 3544562 238757710
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 414460 1200230 78624300 l
18. NET ELECTRICAL ENERGY GENERATED (MWH) 394745 1142885 73882669
19. UNIT SERVICE FACTOR 100.0 100.0 - 84.8
20. UNIT AVAILABILITY FACTOR 100.0 100.0 84.8:- j
21. UNIT CAPACITY FACTOR (USING MDC NET) 103.4 103.1 82.5
22. UNIT CAPACITY FACTOR (USING DER NET) 100.1 99.8 78.4
23. UNIT FORCED OUTAGE RATE 0.0 0.0 5.0
24. FORCED OUTAGE HOURS 0.0- 0.0 7960.6

-25. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE & DURATION OF EACH):

Refueling & maintenance to start in May 1994.

26. IF CURRENTLY. SHUTDOWN ESTIMATED STARTUP DATE: N/A 1

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NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO.2 DATE APRIL 5, 1994 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 MONTH: MARCH 1994 The Unit was base loaded this month.

The Unit started to reduce load on' Saturday, March 26, at 2359 to allow repairs to the EHC system backup power supply and the feedwater control-system power supply. The turbine was manually tripped at 0309 on .

Sunday the 27th. After required repairs and a turbine overspeed' trip test, the generator was placed on lino 0 0809 of the 27th. An NIS power range calibration was performed at 90%. power and the Unit returned to full power 0 1322. The reactor remained at hot standby during this period.

1 CURRENT CONTINUOUS OPERATING RUN OF 4 DAYS. .

AVERAGE DAILY UNIT POWER LEVEL l

DOCKET NO. 50-306 .

I UNIT PRAIRIE ISLAND NO.2 DATE APRIL 5, 1994 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 MONTH: MARCH 1994 DAY AVERAGE DAILY POWER LEVEL (MWE-NET) 1 532 ,

2 531 3 532 4 532 5 533 6 532 7 532 8 534 9 531 10 532 11 534 12 532 13 531 -

14 533 15 530 16 534 1 17 528 18 534 19 530 20 531 21 531 22 530 23 532 24 529 25 532 26 528 27 329 28 528 29 528 30 526 31 523 AVERAGE LOADS ABOVE 512 MWE-NET ARE DUE TO COOLER CONDENSER CIRCULATING WATER L-- 4 jj

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OPERATING DATA REPORT i l .

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. DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO.2' DATE APRIL 5, 1994 COMPLETED.BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 OPERATING STATUS

1. UNIT NAME: PRAIRIE ISLAND NO. 2
2. REPORTING PERIOD: MARCH 1994 -
3. LICENSED THERMAI. POWER (MWT): 1650
4. NAMEPLATE RATING (GROSS MWE) : 593
5. DESIGN ELECTRICAL RATING (NET MWE): 530
6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE): 544
7. HAXIMUM DEPENDABLE CAPACITY (NET MWE): 512 i
8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS NUMBER 3 THROUGH 7)

SINCE LAST REPORT GIVE REASON: NONE

9. POWER LEVEL TO WHICH RESTRICTED,~~IF ANY (NET MWE) : NONE
10. REASONS FOR RESTRICTIONS, IF ANY: NONE THIS MONTH YR-TO-DATE CUMULATIVE 4
11. HOURS IN REPORTING PERIOD 744 2160 1689821 1
12. NUMBER OF HOURS REACTOR WAS CRITICAL 744.0 2160.0 148527.0
13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 1516.1
14. HOURS GENERATOR ON-LINE 739.0 2155.0 147143.4-
15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0-
16. GROSS THERMAL ENERGY' GENERATED (MWH) 1212484 3545924 233501563~

17 '. GROSS ELECTRICAL ENERGY GENERATED (MWH) 409780 1200900 76106070

18. NET ELECTRICAL ENERGY GENERATED (MWH) 390118 1143726 71948262
19. UNIT SERVICE FACTOR 99.3 99.8 87.1 l
20. UNIT AVAILABILITY FACTOR 99.3 99.8 87.1-21.. UNIT CAPACITY FACTOR (USING MDC NET) 102.4 103.4 85,1  ;
22. UNIT CAPACITY FACTOR (USING DER NET) 98.9 99.9 '80.3
23. UNIT' FORCED OUTAGE RATE 0.0 0.0 2.6
24. FORCED OUTAGE HOURS 0.0- 0.0 3964.0-
25. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE & DURATION OF EACH):

N/A  ;

26. IF CURRENTLY SHUTDOWN ESTIMATED STARTUP DATE: N/A ,

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UNIT SHUTDOWNS AND POWER REDUCTION DOCKET NO 50-306 UNIT NAME PRAIRIE ISLAND NO. 2 DATE APRIL 5, 1994 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 MONTH: MARCH 1994 DATE TYPE H,0URS REASON METHOD LER NUMBER SYSTEM COMPONENT YY/MM/DD 000.0 94/03/27 S 5.0 B 2 N/A JB,TG REPAIRS TO EHC AND FW CONTROL SYSTEMS (POWER SUPPLIES) f P

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TYPE REASON METHOD SYSTEM CODE F-FORCED A-EQUIPMENT FAILURE 1-MANUAL DRAFT IEEE=STD l S-SCHED B-MAINTENANCE OR TEST 2-MANUAL TRIP 805-1984(P805-D5) l C-REFUELING 3-AUTO TRIP D-REGULATORY RESTRICTION 4-CONTINUED E-OPERATOR TRAINING & 5-REDUCED LOAD COMPONENT CODE LICENSE EXAMINATION 9-OTHER F-ADMINISTRATIVE IEEE STD 803A-1983 G-OPERATIONAL ERROR H-OTHER