Control device for a brushless D. C. motor

Details Control device for a brushless D. C. motor Control device for a brushless D. C. motor

1982-08-16

1984-09-25

Truhe, J. V.

Electricity: motive power systems

Switched reluctance motor commutation control

318138, 318439, H02P 602

Patent

active

044737815

ABSTRACT:
The invention relates to a control unit for a brushless D.C. motor having at least two stator windings controlled by semiconductor switching elements and a chopper. To avoid having extinguishing current pulses damage the chopper there is provided controls whereby the motor regulating waveform for controlling the chopper is effectively blocked during the active intervals of the extinguishing current pulses.

REFERENCES:
patent: 4085355 (1978-04-01), Fradella
patent: 4270076 (1981-05-01), Nygaard

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