ML20235T967
| ML20235T967 | |
| Person / Time | |
|---|---|
| Site: | Trojan File:Portland General Electric icon.png |
| Issue date: | 09/30/1987 |
| From: | Olmstead C, Ulmer F PORTLAND GENERAL ELECTRIC CO. |
| To: | NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM) |
| References | |
| CAO-350-87, NUDOCS 8710130305 | |
| Download: ML20235T967 (6) | |
Text
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.t OPERATING DATA REPORT 50-344 9
DOCKET NO; DATE nr+ lon7
. COMPLETED BY F.
J. Ulmbr TELEP110NE. 5 0 3 - 5M -- 3 713 -
Ekt. 495
.(
_ OPE. RATING STATUS Notes
- 1. Unit ham ' <
Tro,ian' Nuclear Plant.
September 1987
. 2. Repening Ppiod:
- 3. Licensed fhermal howe'r (MWt): 3411 1216
- 4. Nameplate Rating (Gross MWe):
1130
- 5. Design Electrical Rsting(Net MWe).
1133-
- 6. Maximum Dependable Capacity (Gross MWe):
1075
- 7. Maximum Dependable Capacity (Net MWe):
- 8. If Changes Occur in Capacity Ratings (items Number 3 Through 7) Since Last Report, Give Reasons:.
None
,4 650 of full,nower
?. Power Leve!To Whi.:h Restricted,1f Any (Net MWep ( 699 MWe 1 Self-imnosed nower restriction Mun to onejmnin
- 10. Reasons For Restrictions. lf Any:
for comnlete overhaul-becaahe'of
' 4 circulating water pump removed stator windina failuro.
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This Month Yr.-to Date Cumulative 720 655t_
97127
- 11. Hoursin Reporikryt Period 669.5 29 W 5-59618.5 j
- 12. Number Of Hodet heactor Was Critical 0
0,,,,,,
,,1_
- ann,
- 13. Reactor Reserve ' Shutdown Hours
- 58950.3 669.3 2910.3 7'
- 14. Ilours Generator On Line 0
0_ /
3249
- 15. Unit Reserve Shutdown Hours 1419684 8617716i 186473038 1
- 16. Gross Thermal Erergy Generated (MWH) 423733 2816312
-61101175
- 17. Gross Electrieel Energy Generated (MWH) 393855 2652100
'57833635
- 18. Net Electrical Energy Generated (MWH) 93.0_
44.4 60.7
- 19. Unit Service Factor
- 20. Unit Availability Factor 93.di g
_44.4 64.0 SO;9 3717 55.9-
- 21. Unit Capacity Factor (Using MDC Net) 48 4 35 8 52.7-7.0 2.3 13.8
- 22. Unit Capacity Factor (Using DER Net)
- 23. L' nit Forced Outage Rate f
[,
- 24. Shutdowns Scheduled Over Next 6 Months (Type.Date.and Duration of Eacht:
j None i'
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October 1, 1987
- 25. If shut Down At End Of Report Period. Estimated Date of Startup:
3-Forecast Achieved
- 26. Units in Test Status (Prior to Commercial Operation):
NA_
NA INITIAL CRITICALITY NA-NA t
INITIAL ELECTRICITY NA NA COMMERCIAL OPER ATION 8710130305 870930 r y
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I
AVERAGE DAILY UNIT POWER LEVEL DOCKET NO: 50-344
-UNIT: Trojan DATE: Oct 199R COMPLETED BY: F.
J.
Ulmer TELEP110NE: 503-55n-1717 ext 495 MONTH September 1987 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY. POWER LEVEL (MWe-Net)
(MWe-Net)-
1 489 17 592 2
560 18 600 3
606 19 6ns 4
610 20 6n?
5 607 21 6nn r
l 6
618 22 Ans l
7 571 23 61n 8
573 24 n,7 9
575 25 snn 10 579 26 no, 11 566 27 493 12 573 28 q35 13 s77 29
_p i
14 582 30
-an 15 590 31 N/A 16 601 INSTRUCTIONS l
On this format, list the average daily unit power level in MWe-Net for each l
day in the reporting conth. Compute to the nearest whole megawatt.
(9/77)
a 1
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TROJAN NUCLEAR PLANT Summary of Operating Experience - September 1987 OPERATIONS The plant entered the month in Mode 1 at 55% power.
Power I
was limited to about 65% for the entire month because only one circulating water pump was available, due to a phase-to-ground fault which occurred in the other circulating water pump in August.
It is anticipated that.the damaged pump j
will be repaired by mid-October.
On September 1, pressurizer power-operated relief valve PCV-456 exhibited leakage and was isolated by closing the downstream j!
block valve.
On September 7, high vibration was detected on the
'B' main feedwater pump and the pump was removed from service.
Inspec-tion revealed that one blade had detached from the pump I
turbine rotor and two other blades had minor damage.
The pump turbine was shipped off-site for repair, and reinstal-lation began on September 30.
On September 25, power was reduced from 65% to 50% to repair
- 3 the
'C' feedwater regulating valve which was exhibiting sluggish oepration.
Power was returned to 65% later in'the day following repairs.
On September 27, leakage from boron injection tank outlet relief valve PSV-8852 was detected.
This valve is located in the Emergency Core Cooling System recirculation' flow path i
and was leaking greater than the flow rate assumed in the l
Final Safety Analysis Report.
Because recirculation leakage j
is a significant contributor to control' room personnel thyroid j
doses following a loss of Coolant Accident, the plant was i
shutdown on September 28 to effect repairs to PSV-8852.
Startup began on October 1.
MAINTENANCE The following major maintenance was completed during September
- The Number 7 main turbine bearing was re-balanced.
Pressurizer pressure transmitter PT-455 was replaced.
Repaired
'C' feodwater regulating valve FCV-530.
Page Two LICENSE AMENDMENTS One Amendment to the Trojan Operating License was received:
Amendment 134 - Revises the lift setpoint tolerance for the pressurizer and main steam safety valves from 11% to 12%.
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l Portland General Electric Company Trojan Nuclear Plant j
October 6, 1987 P.O. Box 439 CAO-350 Rainier, Oregon 97048 (502)556-3713 j
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i US Nuclear Regulatory Commission Document Control Desk Washington, DC 20555 i
i 1
Gentlemen:
Monthly Operating Report In accordance with the Trojan Nuclear Plant Technical Specifications reporting requirements, the Monthly Operating l
Data Report is submitted for September 1987.
Sincerely, W
m C.
A.
Olmstead General Manager Attachment c:
Mr. John B.
Martin Regional Administrator, Region V US Nuclear Regulatory Commission Mr. David O.
Kish Acting Director l
Department of Energy State of Oregon Resident NRC Inspector MOR Distribution
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