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    • 9. 发明授权
    • Apparatus and method for controlling inverter
    • 控制逆变器的装置及方法
    • US07173394B2
    • 2007-02-06
    • US11430996
    • 2006-05-10
    • Hong-Min Yun
    • Hong-Min Yun
    • H02P27/04
    • H02M7/538466
    • An apparatus and method for controlling an inverter are disclosed to allow an inverter to provide a stable output voltage to a motor regardless of a change in a DC input voltage. A difference value between a reference voltage according to a predetermined rated voltage of a motor and a DC voltage of the inverter is obtained, a ratio of an output command frequency to a predetermined reference frequency is applied to the difference value to obtain a compensation output voltage value, a final compensation output voltage value is obtained by compensating the detected DC input voltage value with the compensation output voltage, and an output voltage of the final compensation output voltage value to the motor by the inverter. Thus, the stable output voltage of the inverter can be provided to the motor regardless of the change in the input voltage.
    • 公开了用于控制逆变器的装置和方法,以允许逆变器向电动机提供稳定的输出电压,而与直流输入电压的变化无关。 获得根据电动机的预定额定电压的参考电压与逆变器的直流电压之间的差值,将输出指令频率与预定参考频率的比率应用于差值,以获得补偿输出电压 通过用补偿输出电压补偿检测到的直流输入电压值和逆变器对电动机的最终补偿输出电压值的输出电压,获得最终补偿输出电压值。 因此,无论输入电压的变化如何,都可以向电机提供稳定的输出电压。