Auto boost for voltage/frequency motor controller

Details Auto boost for voltage/frequency motor controller Auto boost for voltage/frequency motor controller

1995-11-17

1997-03-18

Ip, Paul

Electricity: motive power systems

Induction motor systems

Primary circuit control

314802, 314808, 314138, H02M 112, H02P 142

Patent

active

056126050

ABSTRACT:
A method and/or apparatus used with a voltage/frequency driver for controlling a motor that maintains a motor driving magnetizing flux at low frequencies and maintains a constant desired motor speed despite relatively high slip at low frequencies. The voltage/frequency driver controls both magnetizing flux and motor speed without requiring sensing or calculating hardware in addition to hardware typically included with a voltage/frequency driver.

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