ML19308A760

LER 77-029/03L-01:on 771219,Keowee Hydro Unit 2 Failed to Start on Initiation from Oconee Control Room.Caused by Failure of Field Flashing Breaker on Generator to Close. Breaker Verified Operable.Investigation Continuing

ML19308A760
Person / Time
Site:	Oconee
Issue date:	03/23/1978
From:	Ken Wilson DUKE POWER CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19308A752	List: ML19308A751 ML19308A753 ML19308A754 ML19308A760 ML19308A774
References
LER-77-029-03L, LER-77-29-3L, NUDOCS 7912110746
Download: ML19308A760 (1)

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ei occ ar u a.n avi=r oaru i4 n mercar o4ra se EVENT CESCRIPTICN ANo PRCSASLE CONSECUENCES h o 2 l During nor.nal operation Keowee Hydro Unit 2 failed to start on initiation [

o 2 1from Oconee control room. Since Keowee 2 is a source of auxiliary power I QL14,,j ifor the Oconee station (Units 1, 2, and 3) this is reportable under i l o t s ! I T. S. 6.6.2.1.b. (2) . The unit started normally on second and subsequent l l o is 1 l attempts.

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i t a l l The Field Flashing Breaker on the generator failed to close on first attempt. ; {

j i The breaker was verified as operable by subsequent operation and visual g i er. amination. Normal inspection and servicing resulted in no further correc- ,

iii3l l tive action. Extensive investigation is continuing as of March 23, 1978.  ;

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