ML20199D226

Monthly Operating Repts for Oct 1997 for Cpses,Units 1 & 2

ML20199D226
Person / Time
Site:	Comanche Peak
Issue date:	10/31/1997
From:	Reible B TEXAS UTILITIES ELECTRIC CO. (TU ELECTRIC)
To:
Shared Package
ML20199D203	List: ML20199D226 TXX-9724, Forwards MOR for CPSES for Oct 1997.Unit 2 Power Relief Valves Opened After Unit Was Cooled Down to LTOP Arming Temperature (350 Degrees) W/Pressure Above LTOP Setpoint
References
NUDOCS 9711200284
Download: ML20199D226 (8)

Text

_ _ _ _ _

Attachment to 1XX 97241 Page 1 of 8 COMANCHE PEAK STEAM EliCiRIC STA110N. UNIT 1 NRC MONTHLY OPERATING REPORT DOCKET NO.:

50 445 UNIT:

CPSES 1 DATE:

11/ 9/97 COMPLETED BY:

Bob Reible TELEPHONE:

254 897 0449 OPERATING STATUS 1.

REPORTING PERIOD:

OCTOBER 1997 GROSS HOURS IN REPORTING PER00:

745 2.

CURRLN1LY AUTil0Ri2ED POWER LEVEL (MWt):

3411 MAX. DEPEND, CAPACITY (MWe Net):

1150 DESIGN ELECTRICAL RATING (MWe Net):

1150 3.

POWER LEVEL TO WHICH RESTRICTED (If ANY) (MWe-Net):

NONE 4.

REASON FOR RESTRICTION (!F ANY):

THIS MONTH YR TO DATE CUMULATIVE 5.

NUMBER Of il0VRS REACTOR WAS CRITICAL 669 7.220 53.314 6.

REACTOR RESERVE SHU1DOWN HOURS 28 28 2.632 7.

HOURS blNERA10R ON LINE 661 7.212 52,666 8.

UNii RESERVE SHU1DOWN HOURS 0

0 0

9.

GROSS lHERMAL ENERGY GENERATED (H41) 2.196,888 24.489.631 1/1.939.082

10. GROSS EllCTRICAL ENERGY GENERATED (H41) 737.744 8.246.767 57.435.297

11. NET ELECTRICAL ENERGY GENERATED (hel) 702.946 7.908.445 54.831,874

12. REAC10R SERVIEE FACTOR 89.7 99.0 84.2

13. REACTOR AVAILABilllY FACTOR 93.5 99.3 88.4

14. UNIT SERVICE FAC10R 88.8 98.9 83.2

15. UNIT AVAILABillTY FACTOR 88.8 98.9 83.2

16. UNIT CAPACITY FAC10R (USI"G MDC) 82.0 94.3 75.3

17. UNIT CAPACITY FACTOR (USING DESIGN MWe) 82.0 94.3 75.3

18. UNIT FORCED OUTAGE RATE 11.2 1.1

/.3

19. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE. AND DURATION Of EACH):

Unit sixth refueling outage scheduled to start March 21, 1998 with an approximate duration of 5 weeks.

20. If SHUTOOWN AT END Of REPORTING PER100. ESTIMATED DATE OF STARTUP:

21. UNITS IN TEST STATUS (PRIOR 10 COMMERCIAL OPERATION):

ACHIEVED 9711200284 971114 PDR ADOCK 05000445 COMMERCIAL OPERATION 900813 R

PM ESTIMATED

.__.___._.___..__..__-..-.m Attachment to TXX 97241 Page 2.of 8 AVERAGE DAILY UNIT POWER LEVEL DOCKET N0,:

50 445 UNIT:

CPSES 1

DATE:

11/-9/97 COMPLETED BY:

Bob Reible TELEPHONE:

254 P'a 0449 l

MONTH:

OC10BER 1997 AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL' OAY (MWe-Net)

DAY (MWe Net) i 1

1095 17 1090 2

1095 18

-853 3

1095 19 1100 4

1095 20 1100 4

5

' 1096 21 1100 6

1098 22 1099.

7 1097

?3 1099 8

1090 24 1101 9

1098 25 1101 10 1098 26 1103 i

11 1097 27 472 12 1099 28 0

13 1100 29

0 14 1101 30 0

15 1100 31 596 i

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' Attachment to TXX 97241 Page 3 of 8'

'Su m ARY OF OPERATING EXPERIENCE FOR THE MONTH-DOCKET N0.:

50-445 UNIT:

CPSES 1

i DATE:

11/ 9/97 l

COMPLETED BY:

Bob Reible TELEPHONE:

254 897-0449

)

HONTH:

OCTOBER 1997

=

DAY TIME -

REKARK/ MODE 1

10/01 0000 Unit began the month at 100% power.

i 10/27 1044 Automatic Turbine and Reactor trip during switchyard testing on the east bus breaker, The east bus breaker failed to close in the specified time: the west bus breaker detected the abnormal condition-and tripped removing the generator from the grid. The loss of-load automatically tripped the reactor, Unit is in Mode 3.

10/28 0330 Source Range detector. (N31) malfunction requires replaceme.it of I

detector.

s 10/30 1056 Replacement of N1 detector complete begin preparations to return to

power, t

1416 Unit entered Mode 2, commencing reactor start up.

1508 Reactor Critical, 2113 Unit entered Mode 1.

2223 Unit syncronized to the grid, 10/31.

2245 Unit returned to 1001 power.

2400 Unit ended the month at 1001 power.

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Page 4 of 8 -

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.:

50-445

}

UNIT:

CPSES 1

e DATE:

11/ 9/97 COMDLETED BY:

Bob Reible 4

TELEPHONE:

254-897-0449 i

i REPORT MONTH:

OCTOBER 1997 f

[

METHOD OF l

TYPE SHUTTING IXhN j

F: FORCED DURATION THE REACTOR OR l

NO DATE 5: SCHEDULED (HOURS)

REASON REDUCING PCNER CORRECTIVE ACTIONS /C0mENTS l

l 3

1

- 971027 F

83.60 G

3 Automatic Reactor trip after switchyard breaker tripped and removed the load from the generator.

l Prior to returning to power a source range-l detector malfuntioned and was replaced. The Unit i-was returned to 100% power on Octoter 31. 1997.

See previous page for additional detatis.

i

(

Reference:

LER 445/97-008).

t I

1)

REASON 2)

METHOD r

i i

A: ' EQUIPMENT FAILURE (EXPLAIN)

E:

OPERATOR TRAINING AND LICENSE EXAMINATICF.

It MANUAL l

B:

MAINT OR TEST F:

ADMINISTRATIVE 2: MANUAL SCRAM C:

REFUELING G:

GPERATIONAL ERROR (EXPLAIN) 3: AUTOMATIC SCR4t i

L D:

REGULATORY RESTRICTION H:

OTHER (EXPLAIN) 4: OTHER (EXPLAIN)

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Attacknent t,o TXX 97241

• Page $ of 8 i

COWsNCHE PEAK STEAM ELECTRIC S1ATION. UNIT 2 NRC HONTHLY OPERATING REPORT DOCKET N3.:

50 446 UNIT:

CPSES 2 DATE:

11/ 9/97 COMPLETED BY:

Bob Reible TELEPHONE:

?54 897 0449 OPERATING STATUS 1.

REPORTING PERIOD:

OCTOBER 1997 GROSS HOURS IN REPORTING PER00:

745 2.

CURRENTLY AUTHORIZED POWER LEVEL (MWt):

3411 MAX. DEPEND. CAPACITY (MWe-l.et):

1150 DESIGN ELECTRICAL RATING (HWe Net):

1150 3.

POWER LEVEL TO WHICH RESTRICTED (if ANY) (MWe Net):

NONE i

4.

-REASON FOR RESTRICTION (if ANY):

THIS MONTH YR TO DATE.

CUMULATIVE 5.

-NUMBER Of HOURS REACTOR WAS CRITICAL 580 7.049 31.530 6.

REACTOR RESERVE SHUTDOWN HOURS 0

82 2.311 7.

HOURS GENERATOR ON LINE 580 7.029 31.262 i

8.

UNIT RESERVE SHUTDOWN ll0VRS 0

0 0

9.

GROSS THERMAL ENERGY GENERATED (MWH) 1.958.441 23.376.386 101.660.013 l

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 664.015 7.918.264 34.310.364

11. NET ELECTRICAL ENERGY GENERATED (MWH) 635.9M 7.60r.262 32.830.993

12. REACTOR SERVICE FACTOR 77.9 96.6 84.7

13. REACTOR AVAILABILITY FACTOR 77.9 97.7 90,9

14. UNIT SERVICE FACTOR 77.9 96.3 84.0

15. UNIT AVAILABILITY FACTOR 77.9 96.3 84.0

16. UNIT CAPACITY FACTOR (USING MDC) 74.2 90.6 76.7

17. UNIT CAPACITY FACTOR (USING DESIGN MWe) 74.2 90.6 76.7

18. UNIT FORCED OUTAGE RATE 0.0 0.0 5.9

19. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE. DATE. AND DURATION Of EACH):

' Unit entered third refueling outage (2RF03) on October PS. 1997. ExpectcJ duration approximately 5 weeks.

20s if SHUTDOWN AT END Of REPORTING PERIOD. ESTIMATED DATE Of STARTUP:

11/29/97.

21. ' UNITS IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):

ACHIEVED COMMERCIAL OPERATION 930803

_ ESTIMATED

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'Attact[menttoTXX97241 -

Page 6 of 8 AVERAGE DALLY UNIT POWER LEVEL 00CKET NO.*

50 446 r

UNIT:

CPSES 2

DATE:

11/ 9/97 COMPLETED BY:

Bob Reible TELEPHONE:

254 897 0449 HONTH:

OCTOBER 1997 1

AVERAGE DAILY POWER LEVEL AVERAGE DAILY POWER LEVEL DAY (MWe Net)

DAY (MWe Net) 1 1109 17 1115 2

1109 18 1114 3

1098 19 1114 l

4 1057 20 1114 5

1106 21 1114 6

1107 22 1111 7

1107 23 1102 8

1108 24 1074 j

9 1108 25 29 10 1109 26 0

11 1109 27 0

4 12 1111 28 0

13 1112 29 0

14 1113 30 0

15 1112 31 0

16 1113 i

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' Attac$nent to TXX 97241 Page 7 of 8

' SUMARY OF OPERATING EXPERIENCE FOR THE HONTH DOCKET NO.-

50 446 UNIT:

CPSES 2

DATE:

11/ 9/97 COMPLETED BY:

Bob Reible TELEPHONE:

254 897 0449 MONTH:'

OCTOBER 1997 DAY TIME REMARK / MODE

?

10/01 0000 Unit began the month at 100% power 10/22 0922 Unit began coastdown at the end of the third operating cycle.

10/24 2210 Unit began to rarp down for the start of the refueling' outage (2RF03).

2340 Unit at 55% power trouble shooting a Rod Control urgent failure alarm.

10/25 0030 Unit resumed ramp down to enter the third refueling outage (2RF03) while continuing to trouble shoot the Rod Control alarm.

0404 Manual reactm trip after four control rods inserted while ramping down to begin the third refueling outage (2RF03). Unit in Mode 3 (2RF03).

2101-Power Operated Relief Valves 2 PCV 0456A and 2-PCV-0455A opened after the unit was cooled down to the Low Temperature Overpressure Protection (LTOP) arming temperature (350 Degrees) with pressure above the LTOP setpoint. (Special Report 2-SR-97-001-00) 2114 Unit entered Mode 4

-10/26-

'1040

-Unit entered Mode 5 (2RF03).

.10/31 2400-Unit ended the month'in Mode 5. Third refueling outage, 2RF03.

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