A New Topology of Multilevel Inverter with Reduced Part Count

This paper deals with the design of a Multi-level inverter to produce higher number of voltage levels using series connected basic units with reduced switch count. A new basic unit is proposed and by connecting a number of the proposed basic unit in series, only positive multilevel voltage can be obtained. To generate negative voltage levels, single phase H-bridge is included to the circuit. By using the proposed topology with trinary progression, a 53-level of output is produced. Using MATLAB/SIMULINK the proposed Multi-level inverter topology is simulated and analyzed in terms of total harmonic distortion.