"TEPCO said there was no safety issue from the glitch and it was checking the situation while suspending the restart operation. The utility later said it was putting the reactor back into shutdown for a fuller examination. We were investigating the malfunctioning electrical equipment, spokesperson Takashi Kobayashi told the AFP news agency. The reactor is stable and there is no radioactive impact outside, he said."
"Control rods are a device used to control the nuclear chain reaction in the reactor core, which can be accelerated by slightly withdrawing them, or slowed down or stopped completely by inserting them deeper. The restart, initially scheduled for Tuesday, had been pushed back after another technical issue related to the rods' removal was detected last weekend a problem that was resolved on Sunday, according to TEPCO."
The No. 6 reactor at Kashiwazaki-Kariwa in north-central Japan, closed since the 2011 Fukushima disaster, was reactivated as workers began withdrawing neutron-absorbing control rods to initiate stable fission. Hours after the reactivation began, the startup was suspended due to a malfunction in equipment related to control rods, crucial for regulating nuclear chain reactions and safe startup and shutdown. Tokyo Electric Power Company Holdings (TEPCO) reported no safety issue and no radioactive release outside, and stated the reactor is stable while the malfunctioning electrical equipment is investigated. The reactor was returned to full shutdown for further examination, and only one of seven reactors has been restarted.
Read at www.aljazeera.com
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