Digital power optimization system for AC induction motors

Details Digital power optimization system for AC induction motors Digital power optimization system for AC induction motors

1996-02-12

1998-09-29

Martin, David S.

Electricity: motive power systems

Induction motor systems

Primary circuit control

318787, 318812, H02P 598

Patent

active

058149660

ABSTRACT:
A method and apparatus are disclosed for improving the efficiency of operation of AC induction motors. The method and apparatus utilizes a microprocessor to tune a motor control system such that the time interval between the turn-on of a bi-directional switch and the time of sensing the resultant inrush current through the stator is maintained substantially constant as the load is varied.

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