ML20198Q670

Monthly Operating Repts for Dec 1997 for San Onofre Nuclear Generating Station Units 2 & 3

ML20198Q670
Person / Time
Site:	San Onofre
Issue date:	12/31/1997
From:	Williams C SOUTHERN CALIFORNIA EDISON CO.
To:
Shared Package
ML20198P212	List: ML20198P204 ML20198Q670
References
NUDOCS 9801230111
Download: ML20198Q670 (8)

Text

. . _ . . . . . _ _ _ _ . _ . _ __... _ .. .___ ,

, a e

i 4

6 4

4 i

s

! Enclosure 1 NRC Monthly Operating Report, December 1997 San Onofre Nuclear Generating Station, Unit 2 l

d t I

, 1 9901230111 990115 PDR ADOCK 05000361 R PDR

. = . . . ~ - - . - .

p.

USNRC MONTHLY OPERATING REPORT - Docket No: '50-361 ,

SAN ONOFRE NUCLEAR GENERA ..NG STATION Unit Name: SONGS-2 UNIT 2 Date: .

January 15,1998-

- December 1997 Completed by: C. E. Williams Telephone: (714) 368-6707

' Page 1 of 3 i OPERATING DATA REPORT 11; Desi0n Electrical Rating'(Net MWe)s _

L10701 2 Maximum Dependable Capacity (Gross MWe) 1127

[ t31 Maxirnum Dependable Capacity (Not MWe)4 m N10702*

1 This Month Yr-to-Date Cumulative K4: Number of Hours in Period .

{744f [8,760.f ' d26,0012 5 Number of Hours Reactor Was Critica! 744 6,265 97,670 se!! ' Hours Generator On linai j744P"" nf6l197/ < 496,044h

'7 Unit Reserve Shutdown Hours 0.0 0.0 0.0 (87 'Not Electncal Energp. Generated (MWh)l- 1797,870 % !i.6,611;946? [101',203;0291 l

i.

USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-2 UNIT 2 Date: January 15,1998 December 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS Numbere

• 1103i Date 12/19/97 Type (1)1 -

F1 ',

Duration (1) 69 1 A (EquipiFailure)?

Reason (2)1 Method of shutting down reactor (3) 5 LER Non ' '

M/A <

System Code (4) SG Component Code (5)i '

iPy Circulating water pump tripped on M P d" Cause and corrective action to prevent recurrence " nc

, " " po n ea e to f 11 power.

(1) F-Forced S-Scheduled (2) Reason: A-Equipment Falure (Explain)

B-Mantenance or Test C Refueling D-Regulatory Restricten E Operator Training & Ucense Examinaten F Admmistratrve G-Operatonal Error (Explain)

H-Other (Expiain)

(3) Method. 1 Manual 2 Manual Scram 3-Automatic Scram 4 Contmuation from Previous Month 5-Reduction in the Average Daily Power Level of more than 20% from the previous day 6-Other (Explan)

(4) IEEE Std 805-1984 (5) IEEE Std 803A 1983

i:-

~

USNRC MONTHLY OPERATING REPORT Docket No: 50-361 SAN ONOFRE NUOLEAR GENERATING STATION Unit Name: SONGS 2 UNIT 2 Date: January 15,1998 December 1997 Completed by: C, E. Williams Telephone: (714) 368-6707 Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event L12/1/97J 0001: Mode 1,100% reactor power [1_155 MWe,223.4 EFPD Q Commenced unit power reduction to 80% to perform circulating 12/6/97 2C30 water system heat treat.

2230. . Unit at 80% reactor powerc 880 MWe.-

12/7/97 1045 Unit at 100% reactor power,1157 MWe.

1 .

Circulating water pump 2P118 tripped on overcurrent.q Entered AOI

.12/19/97c 0702' for loss of vacuum and initiated rapid unit down p~ower to'stabi ize l !

vacuum loss.-

0755 Unit exited AOI on loss of vacuum.

0820 Unit at 75% reactor powerb Placed circulating water pump 2P118 in service after motor 12/21/97 2038 replacement.

< L12/22/97[ 0400 Unit at 100% reactor power,.1160 MWe.'

12/31/97 2400 Mode 1,99.9% reactor power,1162 MWe,253.6 EFPD

.-i--..... ,- .

4-4 d

i Enclosure 2 NRC Monthly Operating Report, December 1997 San Onofre Nuclear Generating Station, Unit 3 J

s

r-t USNRC MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name! SONGS-3 UNIT 3 Date: January 15,1998 December 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 1 of 3 OPERATING DATA REPORT

1 ! ; Design Electncel Rating (Not MW6);

c~ e ^ '1080) 2 Maximum Dependat.le Capacity (Gross MWe) 1127 4 031 Maximum Dependeble Copacity (Not MWe):. . .'1080!: <

This Month Yr-to-Date Cumula'ive 4 Numberof HoursiriPeriod 1744': <8,7604 l120,552 ?

4 Number of Hours Reactor Was Critical 744 6,509 96,802

51 Hours Generator On-line1 -

ie744:  ::6,3581 L94,892 f 6 Unit Reserve Shutdown Hours 0.0 0.0 0.0 n7+ Net Electrical Energy Generated (MWh)::. , :819,2635 6,825,444 T 198,603,4G5 l

.a e

o USNRC MONTHLY OPERATING REPORT Docket No: 50-362 SAN ONOl;RE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: January 15,1998 December 1997 Completed by: C. E. Williams Telephone: (714) 368-6707 Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS Number ' 'N/A1 Date N/A Type (1)c - N :N/A8 <

Duration (Hours) N/A Reason (2): > -

N/Ac:

Method of shutting down reactor (3) N/A LER No,- :N/A; System Code (4) N/A Component Code (5)1 'N/A0 Cause and corrective action to prevent recurrence N/A (1) F-Forced S-Scheduled (2) Reason: A-Equipment Failure (Explain)

B-Mainterance or Test C-Refueling D-Regulatory Restrictkm E-Operator Training & Ucense Exarrination F Aamnstratere G-Operational Error (Explain)

H-Other (Explain)

(3) Method: 1-Manual 2-Manual Scram 3-Automatic Scram 4-Contmuation from PrevIr.us Month 5-Reduction in the Average Daily Power Level of more than 20% from the previous day 6-Other (Explain)

(4) IEEE Std 805-1984 (5) IEEE Std 803A-1983

USNRC MONTHLY OPERATING REPORT Docket No: 50 362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name: SONGS-3 UNIT 3 Date: January 15,1998 December 1997 Completed by: C. E. Williams ,

Telephone: (714) 368-6707 Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event

12/1ME 0001F- I Mode il100% reactor mL1146 Wel1130.9 EFPD; .

12/31/97 2400 Mode 1,99.8% reactor power,1149 MWe,161.9 EFPD r

I l

f