Constant-frequency current choppers for low-rate supply of an in

Details Constant-frequency current choppers for low-rate supply of an in Constant-frequency current choppers for low-rate supply of an in

1976-07-21

1978-05-02

Smith, Jr., David

Electricity: motive power systems

Braking

Automatic and/or with time-delay means

307252M, 363124, 363135, H02P 516

Patent

active

040877264

ABSTRACT:
In a constant frequency chopper for low-rate supply for an inductive load, a cut-off capacitor discharge circuit is added which shunts the cut-off capacitor and which, when the motor is required to operate at a low rate, helps to bypass the excess energy stored in the cut-off capacitor.

REFERENCES:
patent: 3379955 (1968-04-01), Koetsch
patent: 3629673 (1971-12-01), Thorboro
patent: 3659119 (1972-04-01), Kasama et al.
patent: 3761793 (1973-09-01), Naito
patent: 3784890 (1974-01-01), Gelerbach et al.

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