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 failed capscrew on a cylinder in one of the Unit 2 EDGs, which provide power to the reactor when offsite power is interrupted, triggered an inspection of the second EDG for Unit 2. A failed capscrew was also identified on the second EDG for Unit 2.

Inoperability of two EDGs triggered a Technical Specification shutdown of Unit 2, since the loss of both diesel generators constituted “a condition that could have prevented fulfillment of a safety function….” Unit 2 is now at 0 per cent output, according to this morning’s Reactor Power Status Report.

 

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About Robert Singleton

By day, I work for a call center. In my spare time, I try to save my hometown (and planet) from a nearly constant onslaught of greedheads, lunatics and land developers. I live in a fictional town called Austin, Texas, where I go to way too many meetings.
This entry was posted in Diablo Canyon, Emergency diesel generators, Event Reports, Nuclear Regulatory Commission, Reactor problems and tagged , , , , , , . Bookmark the permalink.

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