Motor driving apparatus

Details Motor driving apparatus Motor driving apparatus

1995-04-03

1996-11-05

Cabeca, John W.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318245, 318254, 318810, 388812, H02K 2364, H02P 318

Patent

active

055721060

ABSTRACT:
An apparatus for driving an electric motor according to a given control target, including a control circuit which generates a control command signal corresponding to the control target, a chopping signal generator which generates a chopping signal based on the control command signal generated by the control circuit, a full-wave rectifier which rectifies an alternating current supplied from an alternating-current power supply, and supplies a full-wave rectified current to the motor, and a chopper which is connected in series to a series circuit including the motor and the full-wave rectifier and which chops the full-wave rectified current supplied to the motor according to the chopping signal generated by the chopping signal generator.

REFERENCES:
patent: 3593112 (1971-07-01), Coats et al.
patent: 3710215 (1973-01-01), Johnston
patent: 4329630 (1982-05-01), Park
patent: 4935691 (1990-06-01), Lamar

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