Michele Kearney's Nuclear Wire

Major Energy and Environmental News and Commentary affecting the Nuclear Industry.

Friday, March 11, 2011

Battle to stabilise earthquake reactors

Attention is focused on the Fukushima Daiichi and Daini nuclear power plants as Japan struggles to cope in the aftermath of its worst earthquake in recorded history.

Three of Fukushima Daiichi's six reactors were in operation when yesterday's quake hit, at which point they shut down automatically and commenced removal of residual heat with the help of emergency diesel generators. However, these suddenly stopped about an hour later for reasons as yet unknown.

This led the plant owners Tokyo Electric Power Company (Tepco) to notify the government of a technical emergency situation, which allows officials to take additional precautionary measures.

Even now, the primary focus of work at the site remains to connect enough portable power modules to fully replace the diesels and enable the full operation of cooling systems. 

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