ML20028A274

Monthly Operating Rept for Oct 1982

ML20028A274
Person / Time
Site:	Vermont Yankee
Issue date:	11/09/1982
From:	Burger F VERMONT YANKEE NUCLEAR POWER CORP.
To:
Shared Package
ML20028A273	List: ML20028A272 ML20028A274
References
NUDOCS 8211180018
Download: ML20028A274 (7)

Text

_ _ _ . _._ _.

.5, 8

i VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 82-10 FOR THE MONTH OF OCTOBER,1982 i

. _.. . . . . . . . . . - . .n.....

C211180018 821109 I PDR ADOCK 05000271 ,

R PDR ,

l

l-OPERATING DATA REPORT DOCKET NO. 50-271 DATE 821109 COMPLETED BY F.J. Burger TELEPHONE (802) 257-7711 Ext.

137 OPERATING STATUS Notes

1. Unit Name: Vermont Yankee

2. Reporting Period: October

3. Licensed Thermal Power (MWt): 1593

4. Nameplate Rating (Gross MWe): 540

5. Design Electrical Rating (Net MWe): 514(oc) 504(cc)

6. Maximum Dependable Capacity (Gross MWe): 535

7. Maximum Dependable Capacity (Net MWe): 504

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

N/A

9. Power Level to Which Restricted,If Any(Net MWe): N/A

.0. Reasons For Restrictions, If Any: N/A This Month Yr-to-Date Cumulative

.1. Hours In Reporting Period 745.00 7296.00

2. Number Of Hours Reactor Was Critical 688.85 7000.84 72078.99

.3. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

4. Hours Generator On-Line 676.67 6944.50 69955.69

5. Unit Reserve Shutdown Hours 0.00 0.00 0.00

6. Gross Thermal Energy Generated (MWH) 1,046,684.50 10,841,148.50 100,756,909.00

.7. Gross Electrical Energy Generated (MWH) 350,602.00 3,611,407.00 33,483,378.00

.8. Net Electrical Energy Generated (Mm)j 332,047.00 3,428,474.00 31,744,760.00

9. Unit Service Factor 90.83 95.18 78.92

0. Unit Availability Factor 90.83 95.18 78.92

.l. Unit Capacity Factor (Using MDC Net) 88.43 93.24 71.06

'2. Unit Capacity Factor (Using DER Net) 86.71 91.42 69.68

.3. Unit Forced Outage Rate 9.17 3.52 6.48

4. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

An eight week refueling outage is scheduled to start March 5, 1983.

5. If Shut Down At End Of Report Period, Estimated Date of Startup:

-6. Units In Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

L -

AVERAGE DAILY UNIT POWER LEVEL .-

DOCKET NO. 50-271 UNIT Vermont Yankee DATE 821109 COMPLETED BY. F.J. Burger TELEPHONE (802) 257-7711 Ext. 137' MONTH October DAY AVERAGE DAILY POWER LEVEL. DAY AVERAGE DAILY POWER LEVEL 9

(MWe-Net) (MWe-Net)

1. 495 17, 332 -

2. 492 18. 472

3. 473 19. 501

4. 499 20. 512

5. 492 21. 514

6. 493 22. 517

7. 491 23. 517

8. 498 24. 513

9. 498 25. 516

~ ~ ~ ~

10. 459 26. 519- '

11. 498 27. 517

12. 503 c. 28. 517 7

13. 496 29. 519 ,_

14. 30 30. 414 0

• 31. 514

15. _

0

• 25 hour2.893519e-4 days <br />0.00694 hours <br />4.133598e-5 weeks <br />9.5125e-6 months <br /> day 16.

INSTRUCTIONS:

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

sm. -

s  %

i .

UNIT SilUTDOWNS AND POWER REDUCTIONS DOCKET NO- 50-271 UNIT NAME vermonc xankee DATE uzitus REPORT MONTli October COMPLETED BY F.J. Burger TELEP110NE (802) 257-7711 Ext. 137 No. Date E9 m Y o y Cause & Corrective 7 gg g gu License gt g port # 0 O """ *"" ""

g E g o O

82-16 821010 S N/A B 4 N/A (power RB CONROD Power reduction for control rod pattern adj ustment & turbine surveillance, ceductic a) 82-17 821014 F 68.3 A 2 N/A HJ PIPEXX Plant shutdown to repair a steam leak in the main turbine moisture separator drain tank piping.

82-18 821030 S N/A B 4 N/A RB CONROD Power reduction for a control rod pattern exchange and turbine surveillance.

i 1 2 F: Forced Reason: 3 4 S: Scheduled Exhibit G- Instructions A-Equipment Failure (Explain)

• Method:blanual l- for Preparation of Data B-Maintenance or Test 2 . Manual Scram Entry Sheets for Licensee C-Refueling 3- Automatic Scram Event Report (LER) File D-Regulatory Restriction 4- Other (Explain) (NUREG 0161)

E-Operator Training & License Examination F-Administrative 5 Exhibit I - Same Source G-Operational Error (Explain)

II-Other (Explain) 7/80

, DOCKET NO. 50-271 UNIT Vermont Yankta DATE 821109 COMPLETED BY F.J. Burger TELEPHONE (802) 257-7711 Ext. 137 SAFETY RELATED MAINTENANCE Pace 1 of 2 NATURE OF MALFUNCTION ER OR OUTAGE EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION Control Room HVAC Equipment Corrective ,a- N/A End of Life Needs Replace- Replaced Equipment MR 82-0398 ment As Necessary Bypass Valve for PCIS Steam Corrective N/A Wotn Parts Stuck in Closed Replaced Valve Flow Switch DPIS 2-118A MR 82-0897 Position Manifold RHR Valve V10-65A Corrective N/A Worn Packing

~

' Leakage Adjusted Packing MR 82-1118 ,

RBCCW Pump P-59-1B Preventive N/A Worn Parts Inboard Bearing Replaced Bearing MR 82-1180 Noisy Connections "A" Emergency Diesel Corrective LER Failed Fuel Oil " low Starting S Replaced Valve Generator MR 82-1197 82-22/3L Check Valve Time RCIC Cooling Wator Pressure Corrective N/A Normal Wear Erratic Adjusted Set Point Control PC-23 MR 82-1245 . Operation RCIC Vacuum Pump Packing Corrective, N/A Normal Wear Leakage Adjusted Packing MR 82-1250 RBCCW Valve V70-111B Corrective N/A Normal Wear Leakage Adjusted Packing MR 82-1283

DOCKET NO. 50-271 UNIT Vermont Yankce DATE 8211U9 COMPLETED BY F.J. Burger TELEPIIONE (802) 257-7711 Ext. 137 SAFETY RELATED MAINTENANCE Page 2 NATURE OF LER OR OUTAGE MALFUNCTION EQUIPMENT MAINTENANCE NUMBER CAUSE RESULT CORRECTIVE ACTION RBCCW Surge Tank Level Corrective -.a - N/A Dirt Jo-Bells Sticking Cleaned & Flushed MR 82-1284 Jo Bells RCIC Turbine Signal Cable Preventive N/A Age, Wear Insulation Replaced Cable MR 82-1288 Cracked 6

. .Eroken e

e I

e I

DOCKET NO. 50-271 UNIT Vermont Yankee DATE 821109 COMPLETED BY F.J. Burger TELEPl!ONE (802) 257-7711 Ext. 137 REPORT MONTil October

SUMMARY

OF OPERATING EXPERIENCES ,

liighlights Vermont Yankee operated at 88.19% of rated Gross electrical generation was350,602 MWH thermal.14% of design electricalor 87 capacity.

Operating Summary The following is a chronological description of plant operations including other pertinent items of interest for the month:

At the beginning of the reporting period the plant was operating at 99.8% of rated thermal power.

821010 At 0030 hrs. a power reduction was initiated for a control rod pattern adjustment and turbine surveillance.

821010 At 0300 hrs. a return to full power was started.

821014 At 0030 hrs, a manual shutdown of the plant was initiated for the repair of a steam Icak (See Unit Shutdowns and Power Reductions).

821014 At 0311 hrs, the turbine generator was removed from the grid. ,

821014 At 0328 hrs, the; reactor was manually scrammed.

821016 At 1024 hrs. a reactor startup was initiated.

821016 At 1137 hrs. the reactor was critical.

821016 At 2331 hrs. the turbine generator,was phased to the grid. ,

/

821030 At 0030 hrs. a power reduction was initiated for a control rod ,

pattern adjustment.

821030 At 0243 hrs. a return to full power was started.

At the end of the reporting period, the plant was operating at 99.89% of rated thermal power.