05000272/LER-1977-045-03, /03L-0:on 770626,during 100% Generator Trip Test, 5024 500-kV Transmission Line Became Inoperable.Caused by Bus Sections 1-5 & 5-6 Breaker Flashover Nhc Iia Relay Remaining Energized.Relay Removed from Svc

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/03L-0:on 770626,during 100% Generator Trip Test, 5024 500-kV Transmission Line Became Inoperable.Caused by Bus Sections 1-5 & 5-6 Breaker Flashover Nhc Iia Relay Remaining Energized.Relay Removed from Svc
ML18081A862
Person / Time
Site: Salem 
Issue date: 07/10/1977
From: Spencer T
Public Service Enterprise Group
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML18081A856 List:
References
LER-77-045-03L, LER-77-45-3L, NUDOCS 8001080526
Download: ML18081A862 (1)
v • d • e


LER-1977-045, /03L-0:on 770626,during 100% Generator Trip Test, 5024 500-kV Transmission Line Became Inoperable.Caused by Bus Sections 1-5 & 5-6 Breaker Flashover Nhc Iia Relay Remaining Energized.Relay Removed from Svc
Event date:
Report date:
2721977045R03 - NRC Website
v • d • e

text

....

LICENSEE EVENT REPORT LER 77-45/03L 7/8/77 CONTROL BLOCK 6

LICENSEE LICENSE EVENT NAME LICENSE NUMBER TYf'E TYPE

@EJ!N1J1s1G1s111 10101-10101010101-1010J 1411111111) 10 1

1~1 I 14 15 2

lcl ~

REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMSER EVENT DATE REPORT DATE I011l CON'TLLJ l1J LIJ I 0 I 51 0 I-! 0 I 21 71 2j L9 16 12 16 17 17 I I 0 I 71 11017 ! 7J

~

57 5a 59 60 61 68 69 74 75

EVENT DESCRIPTION

~

I During conduct of 100% Gen. Trip Test, the 5024, SOOkV Transmission line I

7 8 9

@]TI became inoperable due to flashover relay operation.

7*

B 9 80 The 5023 line and all

@:E] [ diesel generators were operable.

Relay was withdrawn from service to pre:I 7

8 9

~

~I vent reoccurrence.

This is the first occurrence of th:is tyne. (77-L;5/03L)J 7

89 00 [2li]..._~~~~~~~~~~~~~~-'--~~~~~~~~~~~~-~~~--~--'

7 8 9 SYSTEM CODE

@EJUWLJ 7

8 9 10

CAUSE

CODE LKJ 11 CAUSE DESCRIPTION COMPONENT CODE IZ IZ IZ IZ IZ__uj 12 17 PRIME COMPONENT SUPPLIER LbJ 43 COMPONENT MANUFACTURER I Z I 9 I 9 I 9 I 44 47 VIOLATIOtl lEJ 48 M f SEE DESIGNATION OF APPARENT CAUSE IN NAERJ-1/l'IVE.

@m9 7 8~9-------------~--~--~--------~---~--~---~----'oo rJ:El 7 8~9--~----------~----------~-~-~~---------~---'e:;

CDTI 7

0 FACILITY ST.'\\ T 1..:~

LBJ.

9 FORM OF

.,. i:-owcR 11 JO !O I 10 12 AC.Tl V!TY.

CONTENT RELEASED OF RELEASE AMOUNT OF ACTIVITY G:liJ W

W I

N/A 7

8 9

10

'-11------'-----44-',

PERSONNEL EXPOSURES NUMBER TYPE

DESCRIPTION

DISCOVERY pESCRIP"TICN N;A so LOCATION OF RE LEASE N/A 45 G:li)to 1010 I lZJ NA 7

8 9 11 12

~13,,._.-----"'-'-'-~-~-------~--~---~---~--~--80~-

PERSONNEL INJURIES NUMBER DESCr!IPTION (2I]!Ol0101 1

NA 7

8 9 11 12 80 OFFSITE CONSEQUENCES

~'1>~~~~~~~~~~~-N=-'-'-~A.:.__~~~~~~~~~~~~~~~~~~~~~~~~

LOSS OR DAMAGE TO FACILITY TYPE

DESCRIPTION

~IZI I N/A 7 a'g-"'

~10,.,-------------'-----~---~------~--~---~----d PUBLICITY GIB 7

a~g~-~----------.u.r-=---------~---~---~--~---~____,aa ADDITIONAL FACTCRS IT0

  • 1 a~~,--------~--'-----~---------~----~---~------~~

NAME: ________ T"""'-'.'--""'L'"""---=s_o"--e=-=-n"'"c=e,_,,r.__ ___ _

PHONE: (609) 365-7000 Ext. Salem 528

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