Mitsubishi Electric Corporation

Kenji Ishi

Nobuhiro Kihara

Hiroshi Okuda

Fumito Uemura

Naoki Itoi

Masayoshi Maeda

Masaya Inoue

Takahiro Urakabe

Shinji Kawaguchi

A power supply device comprising: a magneto generator including a rotor including a magnet forming a magnetic field; a rectifying unit rectifying an alternating current of the generator to a direct current and supplying to an electrical load; a voltage detection unit detecting a voltage of the electrical load; an opening unit interrupting electrical conduction of an output of the generator; short-circuiting units electrically short-circuiting the output; a torque supplying device supplying torque to the rotor; a voltage control unit selectively performing one of opening-control of controlling on/off switching of the opening unit and short-circuit-control of controlling on/off switching of the short-circuiting units to control the voltage of the electrical load to a predetermined value in accordance with the voltage detected by the voltage detection unit; a switching control unit switching and controlling between the above two controls in accordance with an operating state regarding rotation of the rotor.

Power supply device

Provided is a power supply device including: a magneto generator (), which includes: a rotor including a magnet forming a magnetic field; and a stator which generates an alternating current in stator windings by rotation of the rotor; a rectifying unit () which rectifies the alternating current generated by the magneto generator to a direct current; a variable transformation-ratio direct current voltage transformer () which transforms an output voltage of the direct current of the rectifying unit to a voltage between input terminals of an electrical load () to which electric power is supplied; and a voltage control unit () which controls a transformation ratio of the variable transformation-ratio direct current voltage transformer in accordance with at least one of an operating state signal regarding the rotation of the rotor of the magneto generator and an electrical load state signal of the electrical load.

Growing community of inventors

Chiyoda-ku, Japan

Kenji Ishi