05000269/LER-1978-006-03, /03L-0:on 780305,Keowee Hydro Unit 2 Failed to Start.Caused by Inoperable Field Flashing Breaker.Breaker Failed on Three Previous Occasions (ROs 269/77-29,269/78- 01 & 269/78-03).Cause Unknown & Under Investigation

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/03L-0:on 780305,Keowee Hydro Unit 2 Failed to Start.Caused by Inoperable Field Flashing Breaker.Breaker Failed on Three Previous Occasions (ROs 269/77-29,269/78- 01 & 269/78-03).Cause Unknown & Under Investigation
ML19316A409
Person / Time
Site: Oconee 
Issue date: 04/07/1978
From: Ken Wilson
DUKE POWER CO.
To:
NRC OFFICE OF INSPECTION & ENFORCEMENT (IE REGION II)
Shared Package
ML19316A401 List:
References
LER-78-006-03L, LER-78-6-3L, NUDOCS 7912110667
Download: ML19316A409 (1)


LER-1978-006, /03L-0:on 780305,Keowee Hydro Unit 2 Failed to Start.Caused by Inoperable Field Flashing Breaker.Breaker Failed on Three Previous Occasions (ROs 269/77-29,269/78- 01 & 269/78-03).Cause Unknown & Under Investigation
Event date:
Report date:
2691978006R03 - NRC Website

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.e EVENT OE5calmCN ANO PRc8ASLE cCNSECUENcES h Io # 2I l At 1750 on February 22, 1978, dur2.ng normal operation, Oconee attempted to

,,,,,g start Keowee Hydro Unit 2 which is a source of auxiliary power for the Oconee

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The unit failed to start due to an inoperable field flashing;

,,,,,, g breaker.

The unit was started without incident after an investigation had been

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Keowee Unit I and other sources of auxiliary power for the station,

,,,,,; were available if needed so that no loss of emergency power was experienced.

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