INVERTER CIRCUIT WITH COMMON-MODE VOLTAGE ELIMINATING FUNCTION

摘要

An inverter circuit having a common mode voltage eliminating function is disclosed. An inverter circuit having a common mode voltage eliminating function according to an embodiment of the present invention includes an inverter unit for converting a DC input voltage into an AC voltage, a voltage generating unit for generating a voltage having the same waveform as a common mode voltage generated by the inverter unit, The output voltage of the inverter unit is controlled by using a voltage removing unit and a space vector pulse width modulation (SVPWM) technique for removing the common mode voltage, and only one voltage vector is selected for each area of the voltage vector diagram And controlling the inverter unit so that the common mode voltage has three voltage levels, and controlling the voltage elimination unit to generate the same waveform as the common mode voltage.