Brushless direct current motor with minimized current ripple and

Details Brushless direct current motor with minimized current ripple and Brushless direct current motor with minimized current ripple and

1991-10-10

1993-03-02

Ro, Bentsu

Electricity: motive power systems

Switched reluctance motor commutation control

318138, H02P 602

Patent

active

051912694

ABSTRACT:
A brushless direct current motor with minimized current ripple and a method is disclosed. The motor system includes commutation current control for controlling the rate of turn-off of the current flowing in the phase being turned-off while simultaneously controlling the rate of turn-on of the current flowing in the phases being excited. This minimizes torque ripple in the motor.

REFERENCES:
patent: 4511827 (1985-04-01), Morinaga et al.
patent: 4633150 (1986-12-01), Inaji et al.
patent: 4651067 (1987-03-01), Ito et al.
patent: 4658190 (1987-04-01), Miyazaki et al.
patent: 4777414 (1988-10-01), Storath et al.

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