ML20010C617

LER 81-018/03L-0:on 810710,during Attempt to Automatically Start,Diesel Generator 21 Shut Down.Caused by Over Crank Due to Incorrectly Set Timer Relays.Relays Reset

ML20010C617
Person / Time
Site:	Indian Point
Issue date:	08/10/1981
From:	CONSOLIDATED EDISON CO. OF NEW YORK, INC.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML20010C614	List: ML20010C613 ML20010C617
References
LER-81-018-03L, LER-81-18-3L, NUDOCS 8108200242
Download: ML20010C617 (1)

Text

NRC FO; ~ . - - . _ . _ - _ . _ _ _ _ . _ _ _

U.S. NUCLEAR REGULATE.RY COMMISSION ]

(7 77) " ' ' -

LICENSEE EVENT REPORT CQNTROL BLOCK: [l 1

'l l l l lh 6

(PLEASE PRINT OR TYPE ALL REQUIRED INFORMATION) ,

)

lo l1l8 9ln l Y l I! P l Sl 2 l@l 0 l 0 l -l 0 l0 LICENSE l 0 NyuBER l O! 0 l -l 0 25 l o 26 l@l 4 LICENSEl1 l TYPE 111JG l1 l

l@l 57 CAT $8 l@

7 LICENSEE CODE 14 15 CON'T o '

S RC LIJ@l o is Io I o lo I 9 l4 176d GI63 o I 71i i ni a I , GI n Ia REPORT EVENT OATE 74 /b I , InOATEI a i 11@ 80 7 8 60 61 OOCKET NUMBER EVENT DESCRIPTION AND PROB ABLE CONSEQUENCES h o a l During an attempt to start No. 21 Diesel Generator in autc for a full load test l l

[ 013 I l the engine was autcmatically shutdown due to over crank. The trip was reset and a There were no adverse consequences since l l o ,4 , l second attenpt to start it was successful.

g

,o,3j g the unit started when retested and the No. 22 and No. 23 Diesel Generators remained O 6 la e h se M CC. l l

0 7 l l

I O IR I I 80 CAUSE CAUSE COVP. VALVE SYSTEM SU9COCE CODE COOE SUSCCDE COMPONENT CODE SUSCOCE O 9 I FI plh (,,,yj@ b](j @ l Rl ElL I A I vi x l@ tzJ@ LzJ @ 18 19 20 8 ~ 9 to t1 12 13 R E , ISION 7

SEQUENTIAL OCCURRENCE REPORT COOE TYPE N O.

EVENT YEA R REPORT NO.

LER O" gog/RO I el i l 1-1 I nl , I al 26 I/I In I , I 28 29 LtJ 30 I-I 31 La.J 32

_ 21 22 23 24 27 T HOURS SB IT FOR 9. S' P LIE MANUFACTURER K N AC ON ON PLANT lzl@ lzl@ l 010 10 10 I Lul@ Lu.J@ l_uj@ l44wl 1 I 21 o.J@

IM El@l34z- l@ 35 36 31 40 4: 42 43 47 CAUSE DESCRIPTION AND CORRECTIVE ACTIONS l , l o l l During a full load test of No. 21 Diesel Generator the engine was automatically l

, , , , , g shutdown due to over crank although it did start and cone up to 50% speed.

1 j

, ,  ; Ihe over crank timer relays were found to be incorrectly set. The relays were later reset to the correct values and the over crank protection carcuitry was j g,,3,

,,,,, l checked. No. 21 Diesel Generator was successfully run. 80 j

7 8 9

% POWER OTHER STATUS 1500 RY OlSCOVERY OESCRiPTION STA S i 5 (_Ej @ l1l0 lOlhlN/A ,, _l [gj@l Poutine full Mad tw 80 I

' ' ' i2 n 44 45 4s ACTIVITY CO' RENT AMOUNT OF ACTIVITY LOCATION OF RELEASE RELEASEO OF RELE ASE N/A I

[TTe1 tz.J @ Lz_J@l N/A I I 80 7 8 9 10 t1 44 45 PERSONNEL EXPOSURES NUM8ER TYPE I

L'_11_1 10 1 0 l Ol@l_zJ@ l N/A DESCRIPTION 80 7 8 9 11 12 13 PERSONNE L INJURIES NUYSER DESCRIPitON 7

1 H 8 9 l010IOl@l 11 12 N/A 80 LOSS OF OR D AMAGE TO FACILITY TYPE DESCRIPTION

1. l 7

' 9 8 9

( 7]@l10 N/A

• 80 NRC USE ONLY Pust: CITY DESCRIPT'ON ,5 8108200242 810810 i I

ISSUEO PDR 3 ADOCK 05000247 I II!IIIIIIIII!2 l

[2,,J,_O] [g_jhl N/A PDR 68 69 80. .

l 7 g 9 to

?