05000317/LER-1979-028-03, /03L-0 on 790724:while Operating Diesel Generator 11 for Troubleshooting,Smoke Was Noted Coming from Exciter Control Cabinet 1C61C.Caused by Grounded Primary Winding in Exciter Potential Transformer T-54

/03L-0 on 790724:while Operating Diesel Generator 11 for Troubleshooting,Smoke Was Noted Coming from Exciter Control Cabinet 1C61C.Caused by Grounded Primary Winding in Exciter Potential Transformer T-54

ML19291A868
Person / Time
Site:	Calvert Cliffs
Issue date:	08/23/1979
From:	Lagiewski J, Rizzo P BALTIMORE GAS & ELECTRIC CO.
To:	NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION I)
Shared Package
ML19291A867	List: 05000317/LER-1979-028, Forwards LER 79-028/03L-0 05000317/LER-1979-028-03, /03L-0 on 790724:while Operating Diesel Generator 11 for Troubleshooting,Smoke Was Noted Coming from Exciter Control Cabinet 1C61C.Caused by Grounded Primary Winding in Exciter Potential Transformer T-54
References
LER-79-028-03L, LER-79-28-3L, NUDOCS 7908280682
Download: ML19291A868 (1)

LER-1979-028, /03L-0 on 790724:while Operating Diesel Generator 11 for Troubleshooting,Smoke Was Noted Coming from Exciter Control Cabinet 1C61C.Caused by Grounded Primary Winding in Exciter Potential Transformer T-54

Event date:
Report date:
3171979028R03 - NRC Website

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8 60 61 COCK ET NUMB E R 68 69 EVENT DATE 74

'IS REPORT DATE 80 EVENT DESCRIPTION AND PROBABLE CONSEQUENCES h o

2 i While operating #11 deisel generator for troubleshooting, smoke was noticed.

I i coming from the exciter control cabinet 1C61C. At 1250, #11 deisel was removed i

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from service to detemine the cause of the problem. The remaining diesels and l

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, power sources were verified operable per Tech. Spec. 3.8.1.1.

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