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

1978-08-14

1980-07-22

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

318510, 318512, H02P 742, H02P 764

Patent

active

042141966

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

REFERENCES:
patent: 3351841 (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

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