Sentences with phrase «emergency reactor core»

Not exact matches

Officials at the FitzPatrick Nuclear Power Plant near Oswego are investigating why fuel rods in the reactor's core are leaking radiation and while not considered an emergency, it could potentially spread contaminated water to other parts of the plant.

The top U.S. nuclear regulator, Gregory Jaczko, gave a dire assessment of Japan's nuclear crisis yesterday, saying that lethal radiation from uncovered spent fuel above one of the reactors could force emergency workers to abandon their fight to prevent meltdowns of damaged reactor cores at the Fukushima Daiichi plant.

It describes chaos and conflict between top officials of TEPCO and the emergency staff formed by then - prime minister Naoto Kan in the most critical phase of the crisis, while workers were battling to control a buildup of explosive hydrogen inside three reactor vessels whose fuel cores had become exposed.

At about 4 A.M. local time, the main pumps feeding cooling water into Unit 2 failed and, due to confusion amidst the klaxon of alarms and flashing warning lights, the men operating the reactor made the situation worse when they mistakenly thought there was too much water in the core and shut off emergency pumps, thereby reducing further the amount of coolant reaching the reactor.

Deprived of electricity for emergency systems, the reactor cores for Units 1, 2 and 3 overheated and melted down.

Such electrical equipment and systems are classed as essential to emergency reactor shutdown, containment isolation, reactor core cooling, and containment and reactor heat removal, or otherwise are essential in preventing a significant release of radioactive material to the environment.

But also every reactor core has an emergency shut down system — if it works.

Unit 1 reactor was permanently shut down in October 1974 because the emergency core cooling system did not meet regulatory requirements.

However, the emergency batteries that were providing power to cool the reactor cores soon ran out.

However, it was shutdown in 2001 after a rupture of a pipe connected to the emergency cooling system of the reactor core.