摘要 |
An alternating current motor control system constituted of: a control unit; a current monitor in communication with the control unit, the current monitor arranged to provide an indication of the amount of current flowing through at least two windings of a target alternating current motor; and a semiconductor switching unit arranged to connect the windings of the target alternating current motor to a three phase power input in one of a star and a delta configuration responsive to the control unit, wherein the control unit is arranged to alternately connect the winding of the target alternating current motor in one of a star and a delta configuration responsive to a predetermined condition of the amount of current flowing through the at least two windings of the target alternating current motor.
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