Brushless D-C motor

Details Brushless D-C motor Brushless D-C motor

1980-09-05

1983-07-05

Truhe, J. V.

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318439, H02K 2902

Patent

active

043920942

ABSTRACT:
A brushless D-C motor of the type having a permanent magnet rotor, a plurality of individual stator windings which are disposed 90.degree. apart with respect to each other, and at least two Hall-effect galvanomagnetic transducers which are disposed 90.degree. apart with respect to each other, and within the air gap of the motor. The galvanomagnetic transducers produce control signals in response to the angular position of the rotor for controlling the conductive states of semiconductive switching devices which are each electrically disposed in series with respective individual stator windings, and a controlled current generator which controls the current flowing through the stator windings so as to conform with a sinusoidal wave shape.

REFERENCES:
patent: 3938014 (1976-02-01), Nakajima
patent: 4004244 (1977-01-01), Schade
patent: 4004247 (1977-01-01), Van de Plassche
patent: 4028598 (1977-06-01), Bergmans
patent: 4158178 (1979-06-01), Schade
patent: 4164918 (1979-08-01), Kinzowada

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