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Multilevel Inverters: Literature Survey - Topologies, Control Techniques & Applications of Renewable Energy Sources - Grid Integration

Multilevel inverters are in favor of academia as well as industry in the recent decade for high-power and medium-voltage applications. In addition, they can synthesize switched waveforms with lower levels of harmonic distortion compared to a two-level converter. Multilevel converters have received increased interest recently as a result of their ability to generate high quality output waveforms with a low switching frequency; the multilevel concept is used to decrease the harmonic distortion in the output waveform without decreasing the inverter power output. This paper presents a review on most important topologies, control techniques of multilevel inverters and also the applications powered by multilevel inverters which are becoming an enabling technology in many industrial and research areas.