Speed control apparatus for a switched reluctance motor

Details Speed control apparatus for a switched reluctance motor Speed control apparatus for a switched reluctance motor

1997-08-12

1998-10-13

Wysocki, Jonathan

Electricity: motive power systems

Synchronous motor systems

Hysteresis or reluctance motor systems

318254, H02P 700

Patent

active

058217231

ABSTRACT:
This invention provides a switched reluctance motor SRM speed control apparatus capable of accurately adjusting an amount of current flowing in a stator coil even at higher speed, thereby accomplishing higher speed control of the SRM, this preferably being accomplished by generating a resonant frequency corresponding to motor speed specified by a user, controlling, in a phase controlling stage, phase of a commercial AC voltage incoming from the external source with reference to the resonant frequency signal to adjust average voltage level, and increasing or decreasing the amount of current in the stator coil.

REFERENCES:
patent: 3643140 (1972-02-01), Allison
patent: 3663877 (1972-05-01), Clark
patent: 4297626 (1981-10-01), Chiang
patent: 4353016 (1982-10-01), Born
patent: 4584506 (1986-04-01), Kaszmann
patent: 4584512 (1986-04-01), Pritchard
patent: 5689164 (1997-11-01), Hoft et al.

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