Starter procedure for permanent magnet motors

Details Starter procedure for permanent magnet motors Starter procedure for permanent magnet motors

1986-11-06

1989-02-28

Ro, Bentsu

Electricity: motive power systems

Switched reluctance motor commutation control

318138, H02P 602

Patent

active

048088935

ABSTRACT:
A procedure for stopping and starting a D.C. ferrite toroid motor so as to ensure that the rotor always rotates in the correct direction on starting. The windings in the stator are arranged in a plurality of circuits. Upon opening of the power switch to the motor, activation of one of the stator circuits only results in magnetic poles which attract the rotor poles, thereby slowing and stopping the rotor. Upon activation of the other of the stator circuits, an attractive stator pole is established ahead of a rotor pole and a repulsive stator pole is established behind the rotor pole, thereby ensuring rotation in the desired direction.

REFERENCES:
patent: 3854080 (1974-12-01), Bambara et al.
patent: 4417288 (1983-11-01), Hattori et al.
patent: 4455513 (1984-06-01), Fulton et al.
patent: 4455515 (1984-06-01), Uzuka
patent: 4584505 (1986-04-01), Chung et al.
patent: 4587468 (1986-05-01), Hotta
patent: 4605874 (1986-08-01), Whiteley
patent: 4633154 (1986-12-01), Maeda

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