Patent ID: 8207699
Filing Date: 2012-06-26
Classification: H02P

Abstract:
1. An alternating current (AC) motor control system arranged to control a target AC motor, the target AC motor arranged to receive a three phase AC power, the target AC motor having: a first winding, a first end of the first winding arranged to be coupled to a first phase of the three phase AC power; a second winding, a first end of the second winding arranged to be coupled to a second phase of the three phase AC power; and a third winding, a first end of the third winding arranged to be coupled to a third phase of the three phase AC power, the AC motor control system comprising: a control unit; a cycloconverter functionality; a phase control functionality; and a semiconductor switching unit comprising a plurality of electronically controlled semiconductor switches each independently responsive to said control unit, said plurality of electronically controlled semiconductor switches comprising: