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    • 2. 发明公开
    • MOTOR DRIVING DEVICE AND LAUNDRY TREATMENT APPARATUS INCLUDING THE SAME
    • 摩托车维也纳国际大剧院(WÄSCHEBEHANDLUNGSVORRICHTUNGDAMIT)
    • EP3057226A1
    • 2016-08-17
    • EP16154422.6
    • 2016-02-05
    • LG Electronics Inc.
    • JE, JungmoonJANG, MinhoKIM, Hyunjin
    • H02P21/28
    • H02P29/0241D06F37/304H02P6/08H02P6/28H02P21/28H02P27/06
    • The present disclosure relates to a motor driving device and a laundry treatment apparatus. An inverter is configured to convert a DC voltage of DC terminals into an AC voltage according to a switching operation and to output the AC voltage to a motor. A DC terminal voltage detector is configured to detect the voltage of the DC terminals, and an output current detector is configured to detect an output current flowing through the motor. A controller is configured to control the inverter based on the detected output current. The controller controls the motor to operate based on a flux current command value from among the flux current command values and a torque current command value for driving the motor in an overvoltage protection mode when the detected DC terminal voltage is higher than a first predetermined value and power is supplied from the motor to the DC terminals. Abrupt DC terminal voltage increase may be prevented.
    • 本发明涉及电动机驱动装置和衣物处理装置。 逆变器被配置为根据开关操作将DC端子的DC电压转换为AC电压并将AC电压输出到电动机。 DC端子电压检测器被配置为检测DC端子的电压,并且输出电流检测器被配置为检测流过电动机的输出电流。 控制器被配置为基于检测到的输出电流来控制逆变器。 控制器根据检测到的直流端子电压高于第一规定值时的电流指令值和通过过电压保护模式驱动电动机的转矩电流指令值,根据磁通电流指令值控制电动机的动作, 电源从电机供电到直流端子。 可以防止突发的直流端子电压升高。