ML18081A860

LER 77-037/03L:on 790514,during Mode 1 operation,5023 500-kV Transmission Line Tripped.Caused by Forest Fire Between Towers 36/1 & 36/3

ML18081A860
Person / Time
Site:	Salem
Issue date:	05/18/1977
From:	Spencer T Public Service Enterprise Group
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18081A856	List: ML18081A855 ML18081A857 ML18081A858 ML18081A859 ML18081A860 ML18081A861 ML18081A862 ML18081A863 ML18081A864 ML18081A865 ML18081A867
References
LER-77-037-03L, LER-77-37-3L, NUDOCS 8001080512
Download: ML18081A860 (1)

Text

..

.*... " -5/18/77

. ..... .ENSEE EVENT REPORT CONTROL BLOCK 6

L.ICl!:NSEE L.ICEN5E EVENT NAME UCEN5E NUMBER TYPE TYPE

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Rl!PORT REPORT CA"tl!:CQRV TV"'E SOURCE OOC)(ET NU"'99ER l!\ll!NT CATE REPORT OAT!:

fOi1J CON-rt p I0 I lLJ ~ l 0 I 51 0 I -I 0 I 21 71 21 (015111417171 t0t5! 1!81717J ra 57 sa =9 60 61 . Qa 69 7, 75 EVENT OESC~IPTION

@ID 1- During* Mode 1 oueration, the 5023, 500kV transmission line triooed due to 7 8 9

@E] protective relay actuation. The 5024 line and three diesel generators 7 8 9

@:E] were operable throughout this event. 5023 was patroled b helicopter and 7 8

@:I§JI re-energized. This is the second occurrence of this type (ref. 77-28/03L)

• I 7 8 9 e.a

~I This event 77-37/03L. I 7 8 9 CAUSE PRIME COMPONENT COMPONENT eo SVSTl!:M COCE COOE COMPONENT COOE SUPPL.I ER MANUF.:i.CTUl'IER \1101....:i.TION

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44 47 LN l 7 8 9 10 11 12 17 48 CAUSc CESCRIPTION

~ 1 A forest fi;e between towers 36/1 and. 36/3 caused arcing to ground actuating 9 so io1s!t9 the protect-iyp relays. tripping the line. eo I

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"AC:ll... ITV METHOO OF STATUS 'lie POWER OTHE*R STATUS OISCOVERY 015CO\IERV OES.:Rlll'TlON ITEJ'1 7

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ACTl'JIT_V CCNTEN"l" RE:l..EA5£0 OF REI.EASE AMOUNT OF ACTIVITY LOCATION CF REI.EASE EliJa 1 g

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PERSONNEL 'exPOSURES NUM6ER TV=>E CESCi'llPTION

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.I PERSONNEL INJURlcS.

NU-..eER CESC:RIPTION

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1 a9 11 12 OFFSITc CONSC:CUENC~S

µElt§ ' N/A LOSS OR CAMAGc TO i'AClLITY fo! [§;j

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P ~ O N E  :

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8001080