Mitsubishi Electric Corporation

Ryoko Sasahara

Manabu Yoshimura

Hitoshi Sadakuni

Kenta Suzuki

Toru Kitamura

A power conversion apparatus comprises a plurality of submodules and an insulating structure. The plurality of submodules are aligned in at least one of a first direction and a second direction orthogonal to the first direction. Adjacent two of the submodules are insulated from each other by the insulating structure.

Power conversion apparatus

This power conversion device includes a plurality of power conversion units, a first electric field relaxation shield, a second electric field relaxation shield, and a third electric field relaxation shield. The first, the second and the third electric field relaxation shield include a first end, a second end and a third end, respectively. The first electric field relaxation shield and the second electric field relaxation shield surround the plurality of power conversion units when viewed from a direction in which the first electric field relaxation shield and the third electric field relaxation shield are overlapped each other. The third end is disposed at any position within a range from a position overlapping the first end to a position overlapping the second end when viewed from the direction in which the first electric field relaxation shield and the third electric field relaxation shield are overlapped each other.

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Tokyo, Japan

Ryoko Sasahara