Motor-driving apparatus
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United States of America Patent
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-
Feb 20, 2024
Grant Date -
Oct 6, 2022
app pub date -
Jun 17, 2022
filing date -
Mar 30, 2020
priority date (Note) -
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status (Latency Note)
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Abstract
A motor-driving apparatus for driving a motor having a plurality of windings respectively corresponding to a plurality of phases is provided. The motor-driving apparatus includes a first inverter having a plurality of first switching devices and connected to first ends of the plurality of windings and a second inverter having a plurality of second switching devices and connected to second ends of the plurality of windings. A third switching device is configured to selectively connect and disconnect points at which a number of turns of each of the windings is divided in a preset ratio. A controller is configured to adjust an on/off state of the first to third switching devices based on required output of the motor.
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