Hitachi Automotive Systems, Ltd.

Tomohiko Suematsu

Makoto Torigoe

Masayoshi Takahashi

Satoru Shigeta

Keisuke Fukumasu

There is provided a power conversion apparatus which allows a noise current or voltage to be suppressed at a low cost and in a small size, the noise current or voltage mixing into the power conversion apparatus by propagating through a control wiring connected to an external appliance. The power conversion apparatus includes a housing, connection terminals provided on the housing, a control-circuit unit provided inside the housing, a wiring for establishing the connection between the connection terminals and the control-circuit unit, a first noise-removing unit connected between the wiring and the ground potential of the housing, and a second noise-removing unit connected between the wiring and the ground potential of the housing, and also in parallel to the first noise-removing unit.

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Hitachinaka, Japan

Tomohiko Suematsu