Innosave Ltd. Patent applications |
Patent application number | Title | Published |
20110006720 | METHOD AND APPARATUS FOR AC MOTOR CONTROL - 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. | 01-13-2011 |
20110006709 | METHOD AND APPARATUS FOR AC MOTOR CONTROL - An alternating current motor control system constituted of: a control unit; a cycloconverter functionality; a phase control functionality; and a semiconductor switching unit comprising a plurality of electronically controlled semiconductor switches each associated with a particular winding of a target alternating current motor and each independently responsive to the control unit. In one embodiment the semiconductor switching unit is 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. | 01-13-2011 |