ML20155K630

Monthly Operating Repts for Oct 1998 for Prairie Island Nuclear Generating Plant,Units 1 & 2.With

ML20155K630
Person / Time
Site:	Prairie Island
Issue date:	10/31/1998
From:	Dugstad D, Sorensen J NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9811160043
Download: ML20155K630 (7)

Text

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Northern States Power Company Prairie Island Nuclear Generating Plant 1717 Wakonade Dr. East Welch, Minnesota 55089 i

November 5,1998 Technical Specifications 6.7.A.3 i

US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 PRAIRIE ISLAND NUCLEAR GENERATING PLANT Docket Nos. 50-282 License Nos. DPR-42 50-306 DPR-60 Monthly Operating Report October 1998 Attached is the Monthly Operating Report for October 1998 for the Prairie Island Nuclear Generating Plant.

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Joel P. Sorensen Plant Manager j

Prairie Island Nuclear Generating Plant

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Regional Administrator-Ill, NRC NRR Project Manager, NRC Id NRC Resident inspector

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State of Minnesota - Kris Sanda Attachment 9811160043 981031 PDR ADOCK 05000282 R

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• NRC MONTHLY REPORT PRINTED 11/3/199 Page1 DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 11/3/1998 COMPLETED BY DALE DUGSTAD PHONE 651-388-1121-4376 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE MONTH: OCTOBER 1998 During the month of October, Unit 1 was base loaded. The unit operated routinely until near the end of the month.

On the 29th at 2350, a reactor trip occurred due to a short in one of the control l

rod cables. The unit was brought to cold shutdown to allow repairs. All of the control rod drive and the control rod position indication cables will be replaced.

l The service hours for this month wero 745 due to daylight savings time change.

The trip ended a continuous operating run of approximately 133 days.

CURRENT CONTINUOUS OPERATING RUN OF 0 DAYS i

NRC MONTHLY REPORT PRINTED 11/3/199 Page 2 DOCKET NO. 50 282 UNIT PRAIRIE ISLAND NO.1 DATE 11/3/1998 COMPLETED BY DALE DUGSTAD PHONE 651388-1121-4376 OPERATING DATA REPORT OPERATING STATUS

1. UNIT NAME:

PRAIRIE ISLAND NO.1

2. REPORTING PERIOD:

OCTOBER 1998

3. LICENSED THERMAL POWER (MWT): 1650

4. NAMEPLATE RATING (GROSS MWE): 593

5. DESIGN ELECTRICAL RATING (NET MWE): 543

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWE):

558

7. MAXIMUM DEPENDABLE CAPACITY (NET MWE):

526

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 745 7296 218064

12. NUM. 'R QF HOU"G REACTOR CRITICAL 696.8 6954.7 187731.7

13. REAM OR RESERVE SHUTDOWN HOURS 0.0 0.00 5571.1

14. HOURS GENERATOR ON-LINE 696.8 6918.0 185906.5

15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.00 0.00

16. GROSS THERMAL ENERGY GENFRATED (MWH) 1143108 11274462 295552305

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 399090 3865080 97683790

18. NET ELECTRICAL ENERGY GENERATED (MWH) 378354 3655882 91890203

19. UNIT SERVICE FACTOR 93.5 94.8 85.3

20. UNIT AVAILABILITY FACTOR 93.5 94.8 85.3

21. UNIT CAPACITY FACTOR ( MDC NET) 96.6 94.6 83.2

22. UNIT CAPACITY FACTOR ( DER NET) 95.8 91.6 79.2

23. UNIT FORCED OUTAGE RATE 6.5 4.9 4.6 e -

24. FORCED OUTAGE HOURS 48.2 354.7 8895.4

NRC MONTHLY REPORT PRINTED 11/3/199 Page 3 DOCKET NO. 50-282 UNIT PRAIRIE ISLAND NO.1 DATE 11/3/1998 3

COMPLETEO BY DALE DUGSTAD PHONE 651-388-11214376 UNIT SHUTDOWNS AND POWER REDUCTIONS MONTH: OCTOBER 1998 l

DATE UNIT TYPE HOURS REASON METHOD LER NUMBER SYSTEM COMPONENT 10/29/1998 1

F 48.2 A

3 1-98-16 N/A N/A NOTES:

Reactor trip caused by control rod cable short.

i TYPE

, REASON METHOD SYSTEM CODE F-FORCED A-EQUIPMENT FAILURE 1-MANUAL DRAFT IEEE STD S-SCHEDULED B-MAINTENANCE OR TEST 2-MANUAL TRIP C-REFUELING 3-AUTO TRIP D-REGULATORY RESTRICTION 4-CONTINUED E-OPERATOR TRAINING AND 5-REDUCED LOAD COMPONENT CODE LICENSE EXAMINATION 0-OTHER IEEE STD 803A-1983 F-ADMINISTRATIVE G-OPERATIONAL ERROR l

H-OTHER

NRC MONTHLY REPORT PRINTED 11/3/199 Prge 4 DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO. 2 DATE 11/3/1998 5

i COMPLETED BY DALE DUGSTAD PHONE 651-3881121-4378 NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE MONTH: OCTOBER 1998 During the month of October, Unit 2 was base loaded. There were no shutdowns or power reductions.

The service hours for this month were 745 due to daylight savings time change.

1 l

CURRENT CONTINUOUS OPERATING RUN OF 241 DAYS l

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• NRC MONTHLY REPORT PRINTED 11/3/199 Page 5 DOCKET NO. 50-306 UNIT PRAIRIE ISLAND NO. 2 DATE 11/3/1998 COMPLETED BY DALE DUGSTAD PHONE 651-3881121-4370 l

OPERATING DATA REPORT l

OPERATING STATUS

1. UNIT NAME:

PRAIRIE ISLAND NO. 2

2. REPORTING PERIOD:

OCTOBER 1998

3. LICENSED THERMAL POWER (MWT): 165P

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 745 7296 209182

12. NUMBER OF HOURS REACTOR CRITICAL 745.0 6373.1 185099.3

13. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 1516.1

14. HOURS GENERATOR ON-LINE 745.0 6364.3 183591.4

15. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

16. GROSS THERMAL ENERGY GENERATED (MWH) 1224621 10368661 292833248

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 414960 3431540 95928950

18. NET ELECTRICAL ENERGY GENERATED (MWH) 393938 3238401 90689571

19. UNIT SERVICE FACTOR 100.0 87.2 87.8

20. UNIT AVAILABILITY FACTOR 100.0 87.2 87.8

21. UNIT CAPACITY FACTOR ( MDC NET) 103.3 86.7 86.3

22. UNIT CAPACITY FACTOR ( DER NET) 99.8 83.7 81.8

23. UNIT FORCED OUTAGE RATE 0.0 12.8 3.0

24. FORCED OUTAGE HOURS 0.0 931.7 5662.8 l

NRC MONTHLY REPORT PRINTED 11/3/199 Prge 6 DOCKET NO. 50 306 UNIT PRAIRIE ISLAND NO. 2 DATE 11/3/1998 T

COMPLETED BY DALE DUGSTAD PHONE 651-38811214376 UN_IT SHUTDOWNS AND POWER REDUCTIONS MONTH: OCTOBER 1998 DATE UNIT TYPE HOURS REASON METHOD LER NUMBER SYSTEM COMPONENT 10/31/1998 2

0 NOTES: None.

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

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