Energy controller for conversion from a direct current source to

Details Energy controller for conversion from a direct current source to Energy controller for conversion from a direct current source to

1979-09-10

1981-03-24

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

318510, 318512, H02P 742, H02P 764

Patent

active

042583039

ABSTRACT:
A turn off circuit for a multiphase motor is provided comprising a DC powered system including a three element core having a central core element and an inner and outer core element coupled thereto.
A series of capacitors are connected to an outer core element to discharge simultaneously and turn off positively and negatively biased SCRs which sequentially fire and produce a suitable pulse width and frequency to the motor.
A control system is provided to produce a variable pulse frequency and pulse width to a power circuit which sequentially fires and admits battery power to the motor.

REFERENCES:
patent: 3351184 (1967-11-01), Lipman et al.
patent: 3406325 (1968-10-01), Rosa
patent: 3891913 (1975-06-01), Rao et al.
patent: 4128793 (1978-12-01), Stich
patent: 4214196 (1980-07-01), Boyce

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