APPARATUS AND METHOD FOR CONTROLLING INVERTER FOR DRIVING MOTOR
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United States of America
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Jan 23, 2020
app pub date -
Nov 21, 2018
filing date -
Nov 21, 2018
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Abstract
An apparatus for controlling an inverter for driving a motor including a processor which includes: a current processor configured to generate a voltage command for allowing a current detection value, generated by measuring a current provided from an inverter to a motor, to follow a current command for driving the motor; a voltage modulator configured to generate a pulse width modulation signal for controlling on and off states of a switching element within the inverter with a predetermined switching frequency based on the voltage command; and a frequency determining processor configured to randomly change the switching frequency based on driving information of the motor.
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