Controller for controlling motor transferring power between a pl

Details Controller for controlling motor transferring power between a pl Controller for controlling motor transferring power between a pl

1996-01-22

1997-08-19

Ro, Bentsu

Electricity: motive power systems

Having plural, diverse or diversely controlled sources

318376, 318442, 318500, H02P 701

Patent

active

056592337

ABSTRACT:
A motor controller includes a power source VG for driving a motor 1, a power source VRG for regenerating energy generated in the motor 1, and a power converter for transferring energy from the power source VRG to the power source VG. Windings of the motor are connected, at their opposite ends, to the power source VG and collectors of transistors TR1 to TR3, respectively. Diodes D1 to D3 are connected to nodes of the windings and the transistors TR1-TR3 such that magnetic energy generated in the motor 1 is supplied to the power source VRG. This configuration enables the motor controller to have a reduced number of transistors for driving the windings, and the power sources to be effectively utilized. Further, the motor controller can use a discharge circuit of small power consumption type, which can reduce heat generated in the motor controller.

REFERENCES:
patent: 4375612 (1983-03-01), Wirth
patent: 5471125 (1995-11-01), Wu

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