Closed-loop regulating and overhauling load energy dissipating c

Details Closed-loop regulating and overhauling load energy dissipating c Closed-loop regulating and overhauling load energy dissipating c

1971-07-29

1979-12-25

Hickey, Robert J.

Electricity: motive power systems

Motor-reversing

Field circuit control

318345R, 363138, 363 27, H02P 500

Patent

active

041807677

ABSTRACT:
A "chopper" type armature current control system for a D.C. motor when connected across the output of a rectifier, A.C. to D.C. type supply source that is characterized by having closed-loop regulating control, and having overhauling load energy dissipating circuit which is automatically connected between the motor armature circuit and the low potential side of the source output whenever the potential across the output sides of the source exceeds a predetermined value. A modified form provides addition of a fixed D.C. potential to afford enhanced speed of system response, and controlled slow speed reverse operation of the motor.

REFERENCES:
patent: 3086156 (1963-04-01), Geissing
patent: 3250978 (1966-05-01), Moscardi
patent: 3355654 (1967-11-01), Risberg
patent: 3452266 (1969-06-01), Borden et al.

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