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Source: People's Republic of China in Russian – People's Republic of China in Russian –
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Source: People's Republic of China – State Council News
TOKYO, Feb. 9 (Xinhua) — Japan's TEPCO (Tokyo Electric Power Company) on Monday resumed operation of a reactor at the Kashiwazaki-Kariwa nuclear power plant in Niigata Prefecture after a signaling failure halted its first run in late January.
The company restarted reactor No. 6 at the plant on January 21 for the first time in 14 years, but shut it down the next day after a monitoring system alarm was triggered during the process of removing control rods.
TEPCO explained that the problem was caused by an error in the alarm settings. The investigation revealed no equipment faults, but did uncover rare instances of delayed electrical current flow in one of the three cables that triggered the alarm. The company adjusted the alarm settings and confirmed normal current flow in all control rods.
The Kashiwazaki-Kariwa Nuclear Power Plant, located approximately 220 kilometers northwest of Tokyo, is the world's largest nuclear power plant by potential capacity. The facility was shut down after Japan abandoned nuclear power following the accidents at TEPCO's Fukushima Daiichi Nuclear Power Plant, which was devastated by the tsunami in March 2011.
The restart of Reactor No. 6 at the seven-unit complex marked the first time a TEPCO unit has resumed operations since the Fukushima nuclear disaster. This sparked protests from local residents amid criticism that the plant is located in an active seismic zone.
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