Fukushima Daiichi Reactors Will Be Rewired

Fukushima Daiichi Reactors Will Be Rewired To Prevent Power Issues; TEPCO Promises No Problems

Uploaded to Youtube by on Apr 25, 2011

Nothing to see here. Everything is fine. Move along folks!


Rewiring starts at Fukushima Daiichi

Tokyo Electric Power Company is rewiring the power grid at its Fukushima Daiichi nuclear plant to secure the electricity supply in case of another strong quake.

The plant’s 6 reactors are now connected in pairs to external power sources. TEPCO began connecting the cables for the No.1 and No.2 reactors with the grid for the No.5 and No.6 reactors on Monday.

This is to ensure that if any one of the 3 outside sources is cut off, the others can be used to cool the reactors.

During the work, external power to the No.1 and No.2 reactors will be suspended for about 4 hours. Instead, diesel generators will power the injection of water to cool the reactors.

The plant operator says external power to the No.5 reactor will also halt for about 2 hours, but that there will be no problem. Operation at the reactor has been safely stopped.

Injection of nitrogen into the container of the No.1 reactor to prevent another hydrogen explosion has also been halted. But TEPCO says this will not pose any issues.

TEPCO decided to rewire the power grids after all 13 of the emergency generators were disabled when a tsunami hit the plant on March 11th. The blackout has led to 4 of the 6 reactors overheating.

A major aftershock on April 11th temporarily cut off the external power supply, forcing pumping of water into the 4 reactors to stop for about 50 minutes.

Monday, April 25, 2011 16:52 +0900 (JST)
Copyright NHK (Japan Broadcasting Corporation)


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