Mitsubishi Electric Corporation

Hitachi, Ltd.

Takayuki Kai

Toru Kimura

Kouji Yoshida

Makoto Kanemaru

Ryo Kamimae

Toshihiko Takematsu

Shinichi Tatemichi

Shinji Harada

Hiroki Oogi

Koji Sasao

Kouichi Shinmura

Kazuhiro Tutui

Akiyuki Harada

An object of the present disclosure is to provide a switchgear that reduces a cost of periodic replacement of a drive unit and ensures reliability. A switchgear of the present disclosure includes a fixed electrode, a movable electrode provided to face the fixed electrode, the movable electrode being contactable with and separable from the fixed electrode, a piston provided opposite to the fixed electrode to drive the movable electrode via a movable shaft connected to the movable electrode, a container to accommodate the piston, and an arc generation mechanism bridging including metal and provided in the container at a position opposite to the fixed electrode, the arc generation mechanism bridging a terminal unit connected to an external circuit, the arc generation mechanism bridging opening a circuit with the terminal unit when energized to generate an arc at an opened portion.

Switchgear and power converter

Growing community of inventors

Tokyo, Japan

Takayuki Kai