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A four-level inverter based drive with a passive front end
IEEE transactions on power electronics
Multilevel inverters are suited for high power drive applications due to their increased voltage capability. Specifically, as compared to three level inverters, for a given dc bus voltage, a four-level inverter is able to synthesize better waveforms with reduced device ratings. In a medium voltage drive, a conventional diode bridge rectifier is a low cost multilevel solution if the dc bus voltages can be balanced from the inverter side alone. In this paper, operation of four-level drive with adoi:10.1109/63.838101 fatcat:nobyfznhnjar5bev3py67svtxy