ML20114B323
| ML20114B323 | |
| Person / Time | |
|---|---|
| Site: | San Onofre  |
| Issue date: | 05/31/1992 |
| From: | Farr M SOUTHERN CALIFORNIA EDISON CO. |
| To: | |
| Shared Package | |
| ML20114B318 | List: |
| References | |
| NUDOCS 9208260076 | |
| Download: ML20114B323 (3) | |
Text
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ATTACHMENT A v.
Revised Unit 3 May 1992 Unit Shutdowns and Power Reductions
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and Revised Unit 3 May and June 1992 Operating Status
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SONGS Unit 2 and 3 Monthly Operating Report, July 1992 umT.f C.'j!
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~ -,,:. 9 UNIl SHUTDOWHS AND POWER REDUCTIONS DOCKET NO: 50-362-UNIT NAME:' SONGS - 3 REPORT MONTH:
May 1992 DATE: August 15. 1992
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COMPLETED BY:
M. H. Farr
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TELEPHONE:
(714) 368-9787 Method of Cause & Corrective Shutting Du ra tion Down LER System Component Action to 5
No.
Date Type' (Hours)
Reason Reactor' No.
Code' Code Prevent Recurrence 2
66 920424 F
108.98 A
1 NA AB BAF Continued from previous month's octage.
" 65 920419 5
120.62 B
1 iP TA TFB Resumed turbine balancing from previous month.
67 920515 F
101.60 A
3 3-92-003 AB CAP See note below.
This Note:
On May 15, at 1006, with Unit 3 at 100's reactor power, RCP P003 tripped on neutral ground overcurrent.
caused a reactor trip signal to be generated. A short circuit failure (f the RCP P003 motor phase "C" surge protection capacitor occurred due to long tera vibration-induced abrasian damage to the mylar plastic insulation withiri the capacitor asscmoly.
The surge capacitors for al, four Unit 3 RCPs were replaced with in-kind parts and the surge capacitors for the Unit 2 RCPs will be rer: 1ced during the next outage of sufficient duration.
The RCP motor preventative r:nintenance program -ill be modified t;, include an appropriate periodic examination, including testing, of the surge cenac, tors.
Periodic replacement of the capacitors will be required as appropriate.
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Data corrected since pr evious submittal.
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Line added since pre.'icus sutmittai, j[r
'tte t h od :
'IEEE Std 505-19S4 2f-forced Reason:
tl 5-Scheduled A-Equipment failure (Explain) 1-Manual d
fl-f taintenance or Test 2-Marual Scram.
'lEEE Std 803A-1983 3-Automatic Scram.
d C-Refueling 4-Continuas,on from p l D Regulatory Restriction E-Operator Training & ticense Examinatior.
Previous Month
{ l F-Adminis*rative S-Reduction in the Average j.!
o-Operational Error (Explain)
Daily Power level of more
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l l H-Other (Explain) than 20'. from the previous vay 6-Other (Explain) b l mor.may/10 m
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NRC HONTHLY OPERATING REPORT h
DOCKET fiO:
50-362 i
UNIT NAME: SONGS - 3 O'
DATE: Au;ast 15. 1992 COMPLETED BY:
.M.
M. Farr F
TELEPHONE:
(714j 368-9787 f*
OPERATING S MTUS n:
1.
Unit Name: _ San Onofre Nuclear Generatino Station. Unit 3 r
2.
Reporting Period: May 3 92 3.
Licensed Thermal Power (MWt):
3390
-t
_4.
Nameplate Rating (Gross MWe):
1127 5.
Design Electrical Rating (Net tiWe):
1080 l
6.
Maximum Dependable Capacity (Gross MWe):
1127 J
7.
Maximum Ocpendable Capacity (Net MWe):
1080
- 8. 'If Changes Occur in Capacity Ratings (items Number 3 lhrougn 7)
- ince last Repor;, Give Reasons:
NA 9.
vower Level To Which Restricted, If Any (Net !!We):
NA
- 10. Rea. ins For Restrictions, li' Any:
NA This Month Yr.-to-Date Cumulative 11.
Hours In Reporting Period 744.00 3 647.00 71.591.00 m
12.
Number Of Hours Reactor Was Critical 461.40 1.614.71 S4.112.96 13.
Reactor Reserve Shutdown liours 0.00 0.00 0.00 14.
Hours Generator On-Line 412.80 _
l.455.80 52 526.81 1
15.
Unit Reserve Shutdown Hours 0.00 0.00 0.00 16.
Grcss Thermal Energy Generated (MWH) L185.9 / 0. 24 4.487.300.86 167.774./25.32 17.
Gross Electrical Energy Generated (MWH) 3L5463.00 1.478.709.50 56.878.734.50 18.
Het Electrical Energy Generated (MWH) 342.771.00 L 3_61636. 07 53 681.743.36 a
19.
Unit Service factor-55.4S%
39.92%
73.37%
20.
Unit Availability Factor
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42.66%
34.62%
69.434 55,48*:
39.92%
73.37%
21.
Unit Copacity Factor (Using MDC Net)
-22.
Unit Capacity Factor (Using DER Net) 42.66%
34.62% _
69.43'S 23.
Unit Forced Outage Rate
- 33.78's
- 19.61%
- 8.12%
n 24.
Shutdowns Schedulec Over Next 6 Months (Type, Date, and Duration of Each):
~
None 25.
If Shutdown At End'Of Report Pericd, Estimated Date of Startup:
NA 26.
Units in Test Status (Prior To Cornercial Operation):
forecast Achieved L
INITIAL CRITICALITY-NA NA L
' INITIAL ELECTRICITY NA NA COMMERCIAL 6PERATION NA NA Data corrected since previous submittal.
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