Journal of Electrical Engineering : Volume 19 / 2018 - Edition : 3

A REDUCED SWITCH COUNT ASYMMETRICAL THREE PHASE MULTILEVEL INVERTER TOPOLOGY

Authors:
Anbarasan,P
Ramkumar.S
Thamizharasan.S
Domain:
building electrification
Abstract:
A novel multilevel inverter topology for three-phase medium-voltage high power applications is proposed in this paper with a perspective to offer reduced number of power components. The topology is formulated using series connection of several fundamental inverter blocks. The fundamental block is constituted with two dc sources and six bidirectional switches by operating the topology in asymmetrical dc voltages to produce seven level output. The proposed multilevel inverter has the advantage of minimal switches in each conduction path. The simulation results are shown to prove the effectiveness of the proposed topology
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