ML18081A864

LER 77-046/03L-0:on 770626,during Mode 2 Operation,Station Power Transformer Became Inoperable Due to Protective Relay Operation.Caused by Personnel Error in Not Tagging Breaker Failure

ML18081A864
Person / Time
Site:	Salem
Issue date:	07/12/1977
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-77-046-03L, LER-77-46-3L, NUDOCS 8001080538
Download: ML18081A864 (1)

Text

a 77-46/03L

.- 7/12/77 LICENSEE EVENT REPORT CONTROL BLOCK 6

LICENSEE LICENSE EVENT NAME LICE:NSE NUMBER TY~E TYPE

@KIJNIJ!S!G!Sl~l jplol-IOIOIOIOIOl-IOlgJ 14111 ll ll lJo ~

REPORT REPORT CATEGORY TYPE SOURCE DOCKET NUMBER EVENT DATE REPORT DATE lol1l CON'T LJ__j llJ LLJ I 0 I 5I 0 I- I 0 I 2 I 7I 2I l 0 I 6 I 2 16 I 7 I 7 I I 0I 7 I 1 I 2 l 7 I 7 I

~ 57 58 59 60 61 68 69 74 7560 EVENT DESCRIPTION

@TIJIDuri.ng Mode 2 operation, the No. 2 Station Power Transformer l'ecame. fooner--l 7 8 9 eo

@))jable due to protective *relay operation.

7

~land 8 9 the No. 1 SPT was operable throughout this eve.nt.

Both offsite transmission lines The electrical li~eub d

7 8 9 t7J-

[Qli]!was restored to normal arnl action statement 3.8.1.1 was t en1ii rl 2 t ed . Th~_§__]

1 as w

~lis the first event of this type. (77-lo.6/03L) 7 B9 PRIME SYSTEM CAU5£ COMPONENT COMPONENT

• CODE CODE COMPONENT CODE SUPPLICR MANUFACTURER VIOLATIOI*~

@J?J1E IA I lAJ IT IR IJ~ INJS-1EJ lLJ IW I 1 I? Io I 44 47 LNJ 7 8 9 10 11 12 17 43 48 CAUSE DESCRIPTION loTal l Personnel error in not tagging. the Breakc::r Failure~ and Crouris Protec,_L!._QJJ_]

d 9 ~

~I circuit out of service durj_1;.g breaker___t..c...~. ti.JJ.Y.,. . . .r.EUJ ..c;""r1 1*b:i s r~,r..c.DJ.*~*~-----~

7. 8 9 £0

~ ~

7 09 ~

f9AC"11 l"!"V STATUS  % POWE.R 0TH"::_'8STATUS 01scovE.r-1v ~i::-5.:,r;,1ri-r10N

[ill]

7 0 LEJ.

9 I

10 o Io In12.I I Rx: 10 13 amps IBreab:'.r Testir.;; i11 Progress

.. :...........--'---~--'--'--'-....C.....--"--'-LL----.....,,a5

~46~

I FORM OF ACTIVITY CONTENT RE.LEASED OF F.ELEA5E .<\MOUNT OF ACTIVITY LOCATION OF '<ELE;*<,(

G:liJ !_0_j ~ N/A _ _ _N__ A_ _ _ _ _ _ _ j T / __

7 8 9 10 11 6-0 PERSONNEL EXPOSURES NUMbEP. TYPE DESCRIPTION

~IO IO IO I l.ZJ .,.,,.___ _~N:..:..../...:..:."l';.:;____ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _-,J 7 8 9 11 12 13 bO PERSONNEL INJURIES NUMOER DESCRIPTION

~1010101 N-A 7 8 9 11 12 OFFSITE CONSEQUENCES VislL..---------------!N:.!L..~A=-------------------------d LOSS OR DAMAGE TO FACILITY r.T:1 TYPE DESCRIPTION

~IZI I~,o~---------:..:.L.~:..........-------------------------......_..,;

N/A 1 a'"g'-'

PUBLICITY Gli]L.-_________

7 8 9

~l,Lti..........--------------------:::80 ADDITIONAL FACTCRS

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

7 8 9 00 NAME: T. L. Soencer.~____ PHONE: (609)365-7000 Ext. Salem 528