System and method for controlling high side slew rate in a spind

Details System and method for controlling high side slew rate in a spind System and method for controlling high side slew rate in a spind

1999-01-14

2000-06-06

Ip, Paul

Electricity: motive power systems

Switched reluctance motor commutation control

318439, 318138, H02P 700

Patent

active

060722894

ABSTRACT:
A system for controlling slew rate in a motor control circuit for a motor comprises a high side switching device coupled to a coil of the motor, the high side switching device operable to control a voltage excitation signal applied at the coil. The system also comprises a high side slew rate control circuit operable to control a slew rate of the voltage excitation signal. The high side slew rate control circuit includes: an amplifier having an output coupled to an input of the high side switching device, a current sink coupling a first input of the amplifier to ground, a capacitor further coupling the first input of the amplifier to ground, and a feedback path from an output of the high side switching device to a second input of the amplifier.

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patent: 5923133 (1999-07-01), Menegoli

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