Current source inverter motor drive adapted for full current reg

Details Current source inverter motor drive adapted for full current reg Current source inverter motor drive adapted for full current reg

1985-11-21

1987-07-28

Smith, Jr., David

Electricity: motive power systems

Induction motor systems

Primary circuit control

318806, 318762, H02P 318

Patent

active

046834125

ABSTRACT:
A current source inverter operates in a full current regenerative mode without the use of a tachometer, rather a constant volts-per-hertz loop is used in a motor feedback loop to generate a torque signal determining the current reference in a DC link current control loop, and the DC link voltage is sensed to derive a signal in magnitude and sign to allow maximizing current control under torque limits established on the basis of such sensed DC link voltage.

REFERENCES:
patent: 3500158 (1970-03-01), Landau et al.
patent: 4599549 (1986-07-01), Mutoh et al.

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