Japan's two utility frequencies

Minami-Fukumitsu Frequency Converter (南福光連系所, Minami-Fukumitsu Hendensho) is the name given to an HVDC back-to-back station for the interconnection of the power grids of western and eastern Japan. This facility went in service in March 1999. It operates with a voltage of 125 kV and can transfer a power up to 300 megawatts. The station is located in Nanto, Toyama Prefecture.

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