After Tornado Disaster
from CBS
Tornadoes damage reactors in U.S.;
Backups work
The savage storms in that passed through parts of Alabama, Mississippi, Tennessee and Virginia on Wednesday knocked out power to the Browns Ferry nuclear power plant, about 30 miles west of Huntsville, Ala.
The Tennessee Valley Authority-owned plant had to use seven diesel generators to power the plant’s three units.
http://www.cbsnews.com/stories/2011/04/28/national/main20058269.shtml
UPDATE
Some details…
TVA shuts down nuclear plant after storm damages transmission
April 29:
US N-plants not ready for long blackouts
On Thursday, Nuclear Regulatory Commission (NRC) chairman Gregory Jaczko cast doubt on whether four to eight hours, as required by NRC to manage without power, is enough time, AP reported.
“Four hours doesn’t seem to be a reasonable time to restore offsite power if you lost the diesels immediately,” Jaczko said.
“In the event there is a station blackout that is externally driven, I’m not convinced that in that situation four hours is enough time to restore offsite power,” he added.
Of the 104 nuclear reactors in the US 87 can cope for four hours in a blackout, 14 can cope for eight hours, while three can last for 16 hours.
http://www.presstv.ir/detail/177377.html
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