Multilevel Inverter Topologies in Renewable Energy Applications (original) (raw)

Intelligent Computing Techniques for Smart Energy Systems, 2019

Abstract

In recent decades, multilevel inverters (MLIs) have gained attention in grid-connected and stand-alone applications. The increasing dependence on electrical power and uneven distribution of energy reserves needs suitable converter design to meet low demand efficiently. MLIs have reduced harmonics and are best suited for domestic as well as industrial applications. With the current improvements in renewable energy systems (RES), uses of traditional MLI topologies are thwarted because of their issues in performance like low power quality, low efficiency, and uneconomical structure. These confinements in the performance issues of traditional MLI topologies have pulled in the researchers toward developing new hybrid type of MLI topologies. In the present article, a detailed analysis of such current hybrid MLI topologies is given based on certain indices covering both qualitative and quantitative performance. Due concentration has been given to widely review the impact of MLIs in grid associated renewable energy applications, for example, photovoltaic (PV) frameworks, wind energy conversion systems (WECS) as well as microgrids.

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