ML20236N989

Monthly Operating Rept for Oct 1987

ML20236N989
Person / Time
Site:	Trojan File:Portland General Electric icon.png
Issue date:	10/31/1987
From:	Olmstead C, Ulmer F PORTLAND GENERAL ELECTRIC CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
CAO-401-87, NUDOCS 8711170092
Download: ML20236N989 (5)

Text

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p OPERATING DATA REPORT.

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'50-344 1 DOCKET NO.

DATE Nov. 1967 .;

COMPLETED BY F. J.-Ulmer~

- TELEP110NE 503-556-3713 Ext. 495 {

OPERATING STATUS

. Trojan. Nuclear.P1' ant Notes

1. Unit Name:

2. Reporting Period: October 1987

3. Licensed Thermal Power (MWt):

3411-

4. Nameplate Rating (Gross MWe):

'1216

5. Design Electrical Rating (Net MWe):

1130

6. Maximum Dependable Capacity (Gross MWe): 1133

7. Maximum Dependable Capacity (Net MWe): 1075 l

8. If Changes Occur in Capacity Ratings (items Number 3 Through 7) Since Last Report, Give Reasons:

None i

9. Power Level To Which Restricted,1f Any (Net MWe): N/A

10. Reasons For Restrictions,if Any: N/A

~ ~ ~

i, This Month Yr to.Date Cumulative -

745

• 7296 97872 ,

11. Hours in Reporting Period 702.7 3698.2 760321.2

.12. Number Of Hours Reactor Was Critical 0 0 3887 i

13. Reactor Reserve Shutdown Hours 692.9 3603.2 - 59643.2- (

14. Hours Generator On-Line '

0 0 374g

15. Unit Reserve Shutdown Hours

16. Gross Thermal Energy Generated (MWH) 1900396 10518112 188373434 612002., 147a114 61680744

17. Gross Electrical Energy Generated (MWH)

18. Net Electrical Energy Generated (MWH) 579569 3711669 sR411704 93 O. 49.4 60.9

19. Unit Service Factor 93.0 49.4 64.3

20. Unit Availability Factor 72.4 41.2 56.0

' 21. Unit Capacity Factor (Using MDC Net) 68.8 39.2 52.8

' 22.' Unit Capacity Factor (Using DER Net) 7.0 3.7 13.7

23. Unit Forced Outage Rate

24. Shutdowns Scheduled Over Next 6 Months (Type.Date.and Duration of Eacht:

N/A

25. If Shut Down At End Of Report Period, Estimated Date of Startup: N/A 26.. Units in Test Status (Prior io Commercial Operation): Forecast Achieved INITIAL CillTICALITY N/A N/A INITIA L ELECTRICITY ' N/A N/A i COMMEllCIAL OPER ATION N/A N/A l I

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AVERAGE DAILY UNIT POWER LEVEL' DOCKET tl0: 50-344.

UNIT : Tro j a n DATE: November 1987 1 1

COMPLETED BY: F. J. Ulmer.

TELEP110HE: 503-556--7711 ext 495 MONTil October 1987 DAY- AVERAGE DAILY POWER LEVEL DAY ' AVERAGE. DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 -33 17 937

2. 465 18 901 3 626 19 916 4 622 20 911 5 620 21 711 6 619 22 -16 7 620' 23 427 8 781 24 870 (daylight 9 802 25 1084 Innving rimn) 10- 874- 26 1058 11 853 27 987 12 ag4 28 osa 13 g71 29 901

'14 gan 30 in1o 31 , nan 15 017 16 onA INSTRUCTIONS l

On this format, list the average daily unit power 1cvel in MWe-Net for cach day in the reporting month. Compute to the nearest whole megawatt.

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s . TROJAN NUCLEAR PLANT .

-Summarv of Operatino Exoerience - October 1'987 q

The' plant; entered the month in Mode 3. The plant' returned to operation lon October 2 and power was increased to 65%.

LThe north main lfeedwater pump, wh'ich'had been out'of service since September 7 due to damaged turbine blades, was returned to

. operation on October 7. With both feedwater-pumps back in service

. power'was increased to 75% for physics' testing. Until October.21, power was varied between 75% and 95% based'on ambient air temperature and the ability-to maintain sufficient condenser

. vacuum.

On October 21 during a minor power reduction evolution, control

. rod.M-8 dropped from about 210 steps to 72 steps. To perform "

-troubleshooting, a plant shutdown was initiated at about 1850 hours0.0214 days <br />0.514 hours <br />0.00306 weeks <br />7.03925e-4 months <br />. The cause of the dropped rod was a faulty diode in the rod

. control system. The diode was replaced, and following other minor- 4 maintenance, a plant startup was initiated. Mode 2 was entered at 1428l hours.on October 22 and the generator was synchronized to the grid at.2220 hours0.0257 days <br />0.617 hours <br />0.00367 weeks <br />8.4471e-4 months <br />. As of October 23, a power level of 30% had been attained. On October 25 the west circulating water pump motor, which had been undergoing repairs for the phase to ground fault which occurred on August 31, was returned to service. A ,

power level of 100% was attained at this time.  !

On October.26, power was reduced to_90% due to the reactor core i power distribution being out-of-specification. Power was returned to 100%'on October 30 following the' replacement of a' failed pressurizer pressure transmitter.which was required to be operable to perform a 100% power nuclear instrumentation calibration.

I Maintenance j i

The following major maintenance was completed during October:

- Repaired the 'B' main feedwater pump turbine

- Replaced the 'A' circulating water pump motor

- Repaired the liner for the neutralizing tank in the make-up water treatment system.

- The startup transformers were inspected and routine n'aintenance perf ormed

- Replaced pressurizer pressure transmitter PT-455 I

- Replaced the packing in the 'A' condensate pump License Amendments

'One Amendment to the Trojan Operating License was received: I Amendment 135 - Revised the Administrative Controls in the  !

Technical Specifications to clarify the approval required for temporary changes to procedures.

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' g' j. Portland Ge'neral Eledtric Company g +;

i Trojan Nuclear Plant . November'9;:1987/ '

. ,;.s :,  : P.O. Box 439 - C AO 4 01- .8 7.'-

.:3 :/

- Rainier, Oregon 97048 (503)556-3713  !

u i US Nuclear' Regulatory Commission-Document Control Desk.

. Washington, DC ,20555-

Gentlemen:

' Monthly Operating' Report

~

In accordance with.the Trojan Nuclear Plant Technical,Specifi-cations reporting requirements, the Monthly Operating Data

' Report is' submitted.for October 1987.

, . Sincerely, -l

[, ,

~

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 Department of Energy State of' Oregon Resident-NRC Inspector MOR Distribution c f, L_-__.__ - - _