Mistubishi Electric Corporation

Minako Iefuji

Satoru Akutsu

Masatsugu Nakano

Yuji Takizawa

Yu Hirotani

Sachiko Kawasaki

Toyoaki Udo

To obtain a permanent magnet type motor capable of securing controllability of a motor and utilizing reluctance torque. An armature winding is a plurality of sets of polyphase windings; the plurality of sets of the armature winding is supplied with current from each individual inverter; the rotor core is provided with permanent magnets on a surface portion thereof, the permanent magnets being circumferentially arranged and the adjacent permanent magnets having polarities opposite to each other; a protrusion portion is provided between the adjacent permanent magnets, the protrusion portion being provided in a protruding condition from the rotor core and being made of a magnetic substance; and a non-magnetic gap portion is interposed between the protrusion portion and the permanent magnet in a rotating shaft direction.

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Tokyo, Japan

Minako Iefuji