ML20195H549

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Monthly Operating Rept for May 1999 for Songs,Units 2 & 3
ML20195H549
Person / Time
Site: San Onofre  Southern California Edison icon.png
Issue date: 05/31/1999
From: Williams C
SOUTHERN CALIFORNIA EDISON CO.
To:
Shared Package
ML20195H160 List:
References
NUDOCS 9906170075
Download: ML20195H549 (7)


Text

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USNRC MONTHLY OPERATING REPORT Docket No:

50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 UNIT 2 Date:

June 10,1999 May 1999 Completed by: C. E. Williams Telephone:

(949) 368-6707 Page 1 of 3 OPERATING DATA REPORT K1)

Design Electrical.Ratirs (Not MWe)t

  • 6 f5

$0701J sg'

^'

2 Maximum Dependable Capacity (Gross MWe) 1127 131 Maximum Dependable ~Capaciti(Net'MWe)?

"^

110701 This Month

  • Yr-to-Date*

Cumulative *

$4s MRHourshforlod " A.

se

! $744$!go s jl3%23fe

$38 5 $

s 5

Number of Hours Reactor Was Critica!

744 2,368 107,850-

{63 Hours GeneistuF:OrWine 2d47E

"#Qio)W -lio6ljRlis 4

7 Unit Reserve Shutdown Hours 0

0 0

MF Nii[Elsisidst Eris@9)ensfatsd$

i;82dj37 f2iS1$93l} iW12l152,'935)

  • Rounded 9906170075 990610 PDR ADOCK 05000361-R PDR.

i J

USNRC MONTHLY OPERATING REPORT Docket No:

50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 UNIT 2 Date:

June 10,1999 May 1999 Completed by: C. E. Williams Telephone:

(949) 368-6707 Page 2 of 3 J

UNIT SHUTDOWNS AND POWER REDUCTIONS

Number $

% > m'

' c6 ENohe Date N/A

T9pel(1)1 ' > WW Je' W 4N/A?

~

Duration (Hours)

N/A

%J3N/Ab

Reason'(2)!
  1. 5 Method of shutting down reactor (3)

N/A

'LER No?'

2e4 e iN/Ai System Code (4)

N/A

, Component Code *(5)? '

M N/Ai Cause and corrective action to prevent N/A (1) F-Forced S-Scheduled (2) Reason:

A-Equi;,rnent Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restrktion E-Operator Traini.ig 3 ucense Exaniination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

-(3) Metixxt:

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

(4) IEEE Std 8051984 (5) lEEE Std 803A-1983

USNRC MONTHLY OPERATING REPORT Docket No:

50-361 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-2 UNIT 2 Date:

June 10,1999 May 1999 Completed by: C. E. Williams Telephone:

(949) 368-6707 Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event 1

105/0.1/991

[0001?. Mode 61K99 86ERssctof Powern1176'MW6he -

05/31/99 2400 Mode 1,99.9% Reactor Power,1171 MWe J

1 l

1 1

l

NRC Monthly Operating Report, May 1999 San Onofre Nuclear Generating Station, Unit 3 l

T

+

USNRC MONTHLY OPERATING REPORT Docket No:

50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-3 UNIT 3 Date:

June 10,1999 May 1999 Completed by: C. E. Williams

. Telephone:

(949) 368-6707 Page 1 of 3 OPERATING DATA REPORT st$ lDe@ Electrical Rating':(Not MWe)b 99 11080s'

,s-

~

2-Maximum Dependable Capacity (Gross MWe) 1127 63& Maximum Dependable:Capacitf(Not MWe)s ~ < ' <

a ^*

/41080s I This Month

  • Yr-to-Date* Cumulative
  • 141s< ;NumberWHours in P4riod W,m 1744?
  • 13,623Mi

^ 1432;,935s 4

Number of Hours Reactor Was Critical 533 2,584 107,700

$51 Hours Generator;On4iney

<. m 6 s4701l

!i2,5224.

j!105,718ji~

6 Unit Reserve Shutdown Hours -

0 0

0 n

07# < Net Electrical Energp Gerseisted (MWh) 1470;3131- #2,733,172? 5110,395,225)

  • Rounded i

j i

j

USNRC MONTHLY OPERATING REPORT Docket No:

50-362 SAN ONOFRE NUCLEAR GENERATING STATION Unit Name:

SONGS-3 UNIT 3 Date:

June 10,1999 May 1999 Completed by: C. E. Williams Telephone:

(949) 368-6707 Page 2 of 3 UNIT SHUTDOWNS AND POWER REDUCTIONS i

Numbbr3 1:99-01M iL99-02(
f99-03s Date 990327 990513 990515 Jyph (1)1 R

$Sj i&

TE! =

Duration (Hours) 204 41 29 Reason'(2)! <

se e

!(Cs FAfs FA?

Method of shutting down reactor (3)

N/A 2

2 LER Noi *

(N/M System Code (4)

N/A BA BA Component Code'(5)F

" !N/As f LFCV8 sFCV4 Cause and corrective action to prevent LER LER N/A recurrence 1999-003 1999-004 (1) F-Forced S-Scheduled (2) Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction i

E. Operator Training & Ucense Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

(3) Method:

1-Manual 2-Manual Scram 3-Automatic Scram 4-Continuation from Previous 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) lEEE Sid 803A 1983 i

USNRC MONTHLY OPERATING REPORT Docket No:

50-362 SAN ONOFRE NUCLEAR OENERATING STATION Unit Name:

SONGS-3 UNIT 3 Date:

June 10,1999 May 1999 Completed by: C. E. Williams Telephone:

(949) 368-6707 Page 3 of 3

SUMMARY

OF OPERATING EXPERIENCE FOR THE MONTH Date Time Event 05/01/993 00011 Mode;5?RCSTcoldi124 FA X*

o E a 05/09/99 0100 Unit entered Mode 1.

Synchronized main. turbine / generator tofgrid ending Cycle 10 s 1 s- #qps r1ySg 4

c.. '~ ;W6' Mi3* G ^4dE:;"'

- ^#'

Unit manually tripped from 97% power due to trip of both Main Feedwater pumps on high discharge pressure when Main 05/13/99 2144 Feedwater Control Valve 3FV-1121 failed closed. Unit entered Mode 3.

0$IJ5/99h

.11261 LUnitl entered Mode % 'n ' au g
1. ;

W,a %

1419 Synchronized main turbine / generator to grid.

'*m s1653e. Main turbine / generator. manually tripped'due to high vibrationn Unit manually tripped at 24.5% power when Main Feedwater 2358 Regulating Valve 3FV1111 failed open causing a loss of feedwater control.

05/18/90" t1368% l Unit'entsred model1? 5%e9" Wr SA,,

05/17/99i l15301 l Unit'at 99.8%Reector; Power $1157 MWe; o

05/31/99 2400 Mode 1, 99.9% Reactor Power,1170 MWe i