Kabushiki Kaisha Toshiba

Makoto Kumai

Hiroshi Mochikawa

Hiroaki Matsumoto

Koji Maki

Akihiro Matsui

Shingo Yanagimoto

A power supply system of an embodiment has a plurality of power conditioners, an acquisition device, and a search instruction generator. The power conditioners convert a form of electrical power generated by a plurality of electrical generators into a different form of electrical power. The acquisition device acquires a respective information regarding power output from each of the plurality of power conditioners. The search instruction generator generates and outputs an operating point search instruction to one or more power conditioners being lower in a ratio of output power with respect to a reference power by at least a prescribed degree than one or more different power conditioners, wherein the reference power is given, based on the maximum output power or rated power of the corresponding electrical generator, or based on the maximum output power or rated power of the power conditioner.

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Yokohama, Japan

Makoto Kumai