Abstract

AbstractThis paper proposes a new nine-level Multilevel Inverter (MLI) topology with 1:3 source configuration. It possess 2 DC sources and nine switches in the form of level and polarity generator. In the nine-level output waveform, it has the capability to produce all plus and minus combinations of DC input levels. For generating switching/gate pulses, a new Unified Low Switching Frequency Control Scheme (ULSFCS) has been introduced and it is the modified version of the rounding method. This proposed control scheme works at a fundamental frequency of operation and it is applicable to any kind of MLI topology. The working operation of proposed topology has been validated with proposed control scheme through MATLAB/Simulink platform.KeywordsMultilevel InverterRounding MethodUnified Low Switching Frequency Control Scheme

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