Tag Archives: Emergency diesel generators

Event Report: Both diesel generators for reactor 2 at Diablo Canyon declared inoperable

A problem with the reactor’s emergency diesel generators (EDG) has shut down Unit 2 at the Diablo Canyon nuclear power plant in California. According to the Event Report filed with the Nuclear Regulatory Commission this morning, an inspection revealed a … Continue reading

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Event Reports: More diesel generator problems

As I told you on Monday, California’s Diablo Canyon nuclear power plant determined that in certain wind and weather conditions, the Unit 1 reactor’s diesel generator might not be able to operate safely. On Friday, Saint Lucie in Florida reported … Continue reading

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Event Reports: Reactors shut down in Minnesota, Wisconsin and Tennessee, and another alcohol-at-work incident; Minnesota incident involves small fires in both Emergency Diesel Generators

(Just a note on the above illustration: It’s from a gallery of Power Plant Trading Cards at: http://www.industcards.com/. I don’t make this stuff up, I just make fun of it.) Some items from this week’s NRC Event Reports page: 1. … Continue reading

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Diesel generator parts defect raises a number of questions‏

Browsing the NRC Event Reports page this morning, I found an item about refurbished parts for emergency diesel generators. Engine Systems, Inc. (ESI) in Rocky Mount, North Carlina, issued a final report on a problem encountered at the Perry nuclear … Continue reading

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Diesel generator failures are focus of AP review

The Associated Press’ Ray Henry has been reviewing NRC Event Reports and filed the following today: Four generators that power emergency systems at U.S. nuclear plants have failed when needed since April, an unusual cluster that has attracted the attention … Continue reading

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Defective valve may affect South Texas Nuclear’s emergency diesel generators

In August 2009, the Palo Verde nuclear plant in Arizona suffered a failure of a thermostatic valve element in an Emergency Diesel Generator at the plant. Subsequent investigation showed that the failure was a manufacturer’s defect, specifically, brass shavings which had gouged … Continue reading

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