Electric motor controller

Details Electric motor controller Electric motor controller

1981-02-20

1983-06-21

Truhe, J. V.

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

H02P 728

Patent

active

043896022

ABSTRACT:
An electronic controller for DC motors is provided which is particularly adapted for use on electric vehicles. The controller is of the pulse-width type wherein a chopper is employed to divide the current into a series of pulses and the output of the controller is regulated by the width of the pulses. A number of protective devices are built into the circuit, including an active current limiter, a main current limiter and a back-up limiter whereby it is virtually impossible to damage the individual components.

REFERENCES:
patent: 3465227 (1969-09-01), Ivie et al.
patent: 3950681 (1976-04-01), Kern
patent: 4217526 (1980-08-01), Farr
patent: 4218730 (1980-08-01), Marumoto et al.

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