ML20216E205

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Monthly Operating Repts for Feb 1998 for Prairie Island Nuclear Generating Plant
ML20216E205
Person / Time
Site: Prairie Island  Xcel Energy icon.png
Issue date: 02/28/1998
From: Dugstad D
NORTHERN STATES POWER CO.
To:
Shared Package
ML20216E202 List:
References
NUDOCS 9803170443
Download: ML20216E205 (8)
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  • NRC MONTHLY REPORT PRINTED 03/04/98 Page1 DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 03/04/98 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 l

l NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE MONTH: FEBRUARY 1998 During the month of February, Unit 1 was base loaded.

There were no power reductions or shutdowns, j

i Because of the LP rotor upgrade the Unit is producing additional megawatts. The values for the Designed Electrical Rating and Maximum Dependable Capacity (both gross and net) will be changed after the Unit completes an URGE test.

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9803170443 980309 l

PDR ADOCK 05000282 R

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CU98 TENT CONTINUOUS OPERATING RUN OF 49 DAYS

NRC MONTHLY REPORT PRINTED 03/04/98 Page 2 DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 03/04/98 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 AVERAGE DAILY POWER LEVEL IJNII 1 MONTH: FEBRUARY 1998 DATE:

AVERAGE DAILY POWER LEVEL This information is no longer required per NRC Generic Letter 97-02, Revised contents of the Monthly Operating Report.

This page will be deleted from the aport soon.

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4 NRC MONTHLY REPORT PRINTED 03/04/98 Page 3 DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 03/04/98 COMPLETED BY DALE DUGSTAD OPERATING DATA REPORT l

OPERATING STATUS

1. UNIT NAME:

PRAIRIE ISLAND NO.1

2. REPORTING PERIOD:

FEBRUARY 1998

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 3 - 7) SINCE LAST REPORT, GIVE REASON:

NONE

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET M'NE): NONE
10. REASONS FOR RESTRICTIONS,IF ANY:

NONE THIS MONTH YR-TO-DATE CMMULATIVE

11. HOURS IN REPORTING PERIOD 672 1416 212184
12. NUMBER OF HOURS REACTOR CRITICAL 672.0 1416.0 182193.0
13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.00 5571.1
14. HOURS GENERATOR ON-LINE 672.0 1392.7 180381.2
15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.00 0.00
16. GROSS THERMAL ENERGY GENERATED (MWH) 1103445 2270961 286548804
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 384800 792120 94610830
18. NET ELECTRICAL ENERGY GENERATED (MWH) 366991 754514 88988835
19. UNIT SERVICE FACTOR 100 98.4 85
20. UNIT AVAILABILITY FACTOR 100 98.4 85
21. UNIT CAPACITY FACTOR ( MDC NET) 106.5 103.9 83.1
22. UNIT CAPACITY FACTOR ( DER NET) 103 100.5 79.1
23. UNIT FORCED OUTAGE RATE O

O 4.5 24 FORCED OUTAGE HOURS 0.0 0.0 8540.7

25. SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE, DATE, AND DURATION OF EACH):

N/A

26. IF CURRENTLY SHUTDOWN, ESTIMATED STARTUP DATE:

N/A

NRC MONTHLY REPORT PRINTED 03/04/98 Page 4 DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 03/04/98 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 UNIT SHUTDOWNS AND POWER REDUCTIONS MONTH: FEBRUARY.1998 DATE UNIT TYPE HOURS REASON METHOD LER NUMBER SYSTEM COMPONENT 02/28/98 1

None.

O NOTES:

I IyEE REASON METHOD SYSTEM CODE F-FORCED A-EQUIPMENT FAILURE 1-MANUAL DRAFT IEEE STD S-SCHEDULED B-MA!NTENANCE OR TEST 2-MANUAL TRIP l

C-REFUELING 3-AUTO TRIP l

l D-REGULATORY RESTRICTION 4-CONTINUED E-OPERATORTRAINING AND 5-REDUCED LOAD COMPONENT CODE UCENSE EXAMINATION 9-OTHER IEEE STD 803A-1983 F-ADMINISTRATIVE i

G-OPERATIONAL ERROR H-OTHER

1 NRC MONTHLY REPORT PRINTED 03/04/98

.o Page5 DOCKET NO. 50-306 i

UNIT PRAIRIE ISLAND NO. 2 DATE 03/04/98 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 1

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE MONTH: FEBRUARY 1998 During the month of February, Unit 2 remained in a forced outage.

The outage started on January 24th at 1522 when the Unit was shutdown to allow repairs to Part Length Rod G9 At first, it was thought that the leakage was due to just a canopy seal weld leak.

However, on February 1st, through-wall leakage was discovered above the seal weld area on G9. A decision was made to remove all of the part-length control rod drive mechanisms and replace them with welded threaded caps.

The Unit remained in this outage through the rest of the month.

This ended a continuous operating run of approximately 177 days.

l CURRENT CONTINUOUS OPERATING RUN OF 0 DAYS

~ ~ NRC MONTHLY REPORT PRINTED 03/04/98 Page 6 i

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DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO. 2 DATE 03/04/98 COMPLETED BY DALE DUGSTAD

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l TELEPHONE 612-388-1121-4376 AVERAGE DAILY POWER LEVEL UNIT 2 MONTH: FEBRUARY 1998 DATE:

AYi:AGEDAILYlQWEfLLEVEL This information is no longer required per NRC Generic Letter 97-02, Revised contents of the Monthly Operating Report.

This page will be deleted from the report soon.

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NRC MSNTHLY REPORT PRlHTED 03/04/98 l

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Page 7 DOCKET NO. 50-306 l

UNIT PRAIRIE ISLAND NO. 2 l

DATE 03/04/98 l

COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 l

OPERATING DATA REPORT l

OPERATING STATUS

1. UNIT NAME:

PRAIRIE ISLAND NO. 2

2. REPORTING PERIOD:

FEBRUARY 1998

3. LICENSED THERMAL POWER (MW7): 1650
4. NAMEPLATE RATING (GROSS MWE):

593

5. DESIGN ELECTRICAL RATING (NET MWE): 530
6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE):

544

7. MAXIMUM DEPENDABLE CAPACITY (NET MWE):

512

8. IF CHANGES OCCUR IN CAPACITY RATINGS (ITEMS 3 - 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 672 1416 203302
12. NUMBER OF HOURS REACTOR CRITIC.i 0.0 567.6 179293.8
13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.00 1516.1
14. HOURS GENERATOR ON-LINE 0.0 567.4 177794.5
15. UNIT RESERVE SHUTDOWN HOURS 6.0 0.00 0.00
16. GROSS THERMAL ENERGY GENERATED (MWH) 0 932174 283396761
17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 0 316010 92813420
18. NET ELECTRICAL ENERGY GENERATED (MWH)

-2470 297570 87748740 l

19. UNIT SERVICE FACTOR 0

40.1 87.5

20. UNIT AVAILABILITY FACTOR 0

40.1 87.5 21, UNIT CAPACITY FACTOR ( MDC NET)

-0.7 41 85.9

22. UNIT CAPACITY FACTOR ( DER NET)

-0.7 39.7 81.4

23. UNIT FORCED OUTAGE RATE 100 59.9 3
24. FORCED OUTAGE HOURS 672.0 848.6 5579.7
25. SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE, DATE, AND DURATION OF EACH):

N/A

26. IF CURRENTLY SHUTDOWN, ESTIMATED STARTUP DATE:

March 4th, of 1998.

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NRC MONTHLY REPORT PRINTED 03/04/98 Page 8 DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO. 2 DATE 03/04/98 COMPLETED BY DALE DUGSTAD TELEPHONE 612-388-1121-4376 UNIT SHUTDOWNS AND POWER REDUCTIONS MONTH: FEBRUARY 1998 DATE UNIT TYPE HOURS RF.ASON METHOD LER NUMBER SYSTEM COMPONENT 02/01/98 2

F 672 A

4 N/A N/A N/A NOTES: Replace all Part-length Control Rod Drive Mechanisms.

IYEE REASON MEDiQD SYSTEM CODE F-FORCED A-EQUIPMENT FAILURE 1-MANUAL DRAFT lEEE STD S-SCHEDULED B-MAINTENANCE OR TEST 2-MANUAL TRIP C-REFUELING 3-AUTO TRIP D-REGULATORY RESTRICTION 4-CONTINUED E4PERATOR TRAINING AND S-REDUCED LOAD COMPONENT CODE LICENSE EXAMINATION 9-OTHER lEEE STD 803A-1983 F. ADMINISTRATIVE G-OPERATIONAL ERROR H-OTHER

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