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发表于 2011-3-17 10:09 PM
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Japan set to restore power at reactors
Japanese Cabinet Secretary Yukio Edano said at a news conference Friday that the focus for the morning will be on restoring power to the plant that failed following last week’s 9.0 earthquake and resulting tsunami.
He said the No. 3 reactor remains the highest priority following attempts to reduce temperatures at the site on Thursday, and said authorities would continue to spray water to cool the facility.
Power could be delivered to the No. 2 rector as early as Friday, according to Tokyo Electric Power Co., (JP:9501 922.00, +124.00, +15.54%) which operates the facility.
Electricity to reactors Nos. 3 and 4 were expected be connected by Sunday, according to Japan’s Nuclear Safety Agency.
Tepco is attempting to install cables to connect the reactors’ systems to the power grid, in order to bring down temperatures in reactor-cores and pools containing spent fuel rods.
Closing in on No. 2
The International Atomic Energy Association advised Friday that engineers had begun to lay an external-grid power cable to the No. 2 reactor.
Tepco was citied in local reports as saying outside power lines to the cooling systems of the No. 2 reactor could be connected sometime during the day.
If Tepco can send electricity to the reactor and activate the cooling system, it will be able to resolve the problems at the reactor.
The efforts came amid reports of a slight drop in radiation levels at the No. 3 reactor following cooling efforts at the site. On Thursday operations were conducted to cool the No. 3 reactor which involved mass water injections by helicopters and pump trucks. Read more about the cooling operations.
Japan’s Nuclear and Industrial Safety Agency said Friday radiation levels dropped slightly following the cooling operations.
Workers were confronted by levels of radiation in order to carry out the operations.
But Japan’s Cabinet Secretary Edano said that present radiation levels remain around 100 microsieverts, and do not indicate an immediate harm to health.
The developments came on the one-week anniversary of the Japanese earthquake. The first week can be critical to halting a full-scale nuclear-radiation disaster. See report on importance of first-week response to nuclear crisis. |
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