ML17279A472

Monthly Operating Rept for June 1987.W/870709 Ltr

ML17279A472
Person / Time
Site:	Columbia
Issue date:	06/30/1987
From:	Hutchison L, Powers C WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:	NRC
References
NUDOCS 8708190265
Download: ML17279A472 (3)

Text

OPERATINB DATA REPORT WNP-2 01-Jul-87 DOCKET: 50-397 2.REPORTINB PERIOD!3.UTILITY CONTACT!Jun-87 OUTAGE~ON-LINE HOURS LEONARD HUTCHI SON (509)377-2486 720 4.LICENSED THERMAL POWER (MWt)a S.NAMEPLATE RATING (GROSS MWe)!6-DESIGN ELECTRICAL RATING (NET MWe>!7.MAXIMUM DEPENDABLE CAPACITY (GROSS MWe)a 8.MAXIMUM DEPENDABLE CAPACITY (NET MWe>a 3323 1200.9 1100 1140 1095 IF CHANGES OCCUR ABOVE SINCE LAST REPORT, GIVE REASONS!10 POWER TO WHICH RESTRICTED, IF ANY (NET MWe)a 1 i.REASONS FOR RESTRICTIONS, IF ANY!12.REPORT PERIOD HOURS 13.HOURS REACTOR CRITICAL 14.RX RESERVE BHTDWN HRB 15 HRS GENERATOR ON LINE 16 UNIT RESERVE SHUTDOWN HOURS 17 GROSS THERMAL ENERGY (MWH>18 GROSS ELECTRICAL ENERGY (MWH)19 NET ELECTRICAL ENERGY (MWH)20 UNIT SERVICE FACTOR 21.UNIT AVAILABILITY FACTOR 22 UNIT CAPACITY FACTOR (MDC NET)23.UNIT CAPACITY FACTOR (DER NET>24.UNIT FORCED OUTAGE RATE 25 FORCED OUTAGE HOURS MONTH 720 176.3 0.0 52.4 0.0 83299 15560 14276 7.3X 7.3X 1.8/1 BX 58.2/73 1 YEAR CUMULAT I VE 4343 22303 2 2424 3 16131'0 0 340.4 2250.9 15411 8 0 0 381.7 5188171 38869351 1726090 12945360 1666193 12436164 51.8/69.1%51.8/70.8%35 OX 50.9X 34.9%50 7/10.3%8.0%258 3 1333 5 26.SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE DATE DURATION)a 27 IF CURRENTLY SHUTDOWN ESTIMATED STARTUP DATE!8708190265 870630 PDR ADOCK 05000397 R PDR BEGAT PERICO JUNE 19 87 mmth, year IJlIT SIUTDOl'tNS

/REDUCTIONS DOCKET NO.NIT NNlE WNP-2 DATE 7/1/87 COWpLETEO By LB Hutchison TELEPIGNE BD.177'Pif TEIOIIs TiiNSII 87-04 4/10/87 S 583.75 C'7-05 6/25/87 S 10.73 B KTlliU 1%I%BI all ma RC FUELXX REFUELING OUTAGE CONCLUDES HA HECFUN GENERATOR WAS REMOVED FROM GRID TO PERFORM OVER-SPEED TESTS ON TURBINE 87-06 6/26/87 F 17.63 A 87-18 EB TRANSF REACTOR SCRAMMED AT 40K POWER FROM TGV FAST CLOSURE RPS TRIP AS A RESULT OF TURBINE TRIP CAUSED BY TR-Nl AUXILIARY TRANSFORMER SUDDEN PRESSURE RELAY ACTUATION.

THE RELAY WAS REPLACED AND PLANT WAS RESTARTED WITH TR-Nl OUT OF SERVICE FOR FURTHER EVALUATION.

87-07 6/27/87 F 26.32 A 87-08 6/28/87 F 29.13 A sony i F-Forced A-Equi.p Failure S-Schcd 0-Maint or Test~C-Refueling 0-Aegula tory Restriction E-Operator Training h License Examination 87-19 EB 87-20 EB hKT}KO 1-Manual 2-Manual Scram 3-Auto Scram 4-Continued 5-Reduced Load 9-Other F-Admin G-Oper Error H-Other TRANSF REACTOR SCRAMMED AT 58K POWER FROM TGV FAST CLOSURE RPS TRIP AS A RESULT OF TURBINE TRIP CAUSED BY TR-N2 AUXILIARY TRANSFORMER SUDDEN PRESSURE RELAY ACTUATION.

THE CAUSE OF THE TR-Nl AND TR-N2 SUDDEN PRESSURE RELAY OPERATION WAS TRACED TO AN INSTALLED TEST SWITCH WHICH CAUSED MISOPERATION OF THE RELAYS.THE RELAY WAS REPLACED AND PLANT RESTARTED WITH THE SUDDEN PRESSURE RELAY DYPASSEI FOR FURTHER EVALUATION.

CKTBKR REACTOR SCRAMMED AT 54'X POWER DUE TO A SPURIOUS LOSS OF MG SET POWER TO RPS BUS A.ANOTHER HALF SCRAM ALREADY EXISTED ON THE OPPOSITE RPS CHANNEL (B)DUE TO A LEAKING RPS OIL PRESSURE SWITCH.THE SPURIOUS LOSS OF POWER FROM THE MG SET WAS THE RESULT OF A BINDING IN UV RESTRAINT COIL IN EPA SySTDi g COMPOM=lL}T BREAKER SUPPLYING THE"A" RPS BUS.THE COIL WAS ADJUSTED AND Exhibit F h H TESTED TO VERIFY PROPER OPERATION AND THE OIL PRESSURE SWITCH.REPLACED PRIOR TO PLANT RESTART.Data Entry Sheet Licensee Event Report (LER)File (NUBEG-Oldl)

DOCKET NO.'HNP-2 DATE COMPLETED IlY LB Hutchison MONTH DAY AVERAGE DAILY POP/ER~(EL (MR~et}1 0 DAY AVERAGE DAILY POWER LEVEL (MR~et)17 0 49 45 105 168 44 l5 228 INSTRUCTIONS On this form, Hst the average daily unit power level ht MVe'%et for each day in the reporting month.Compute to the nearest whole megawatt.These Ggures vrill be used to plot a graph for each reporting month.Note that when maxbnum depettdable capacity s used for the net electrical rating of the.unit, there may be occasions when~daily average power btvei ex~the 100%Une (or the restricted power level line).In such cases, the average daily unit power output sheet should be footnoted to explaht the apparent anomaly.P I