Multilevel inverters have end up more popular over time in electric excessive power utility with the promise of less disturbances and the possibility to characteristic at lower switching frequencies than everyday two-stage inverters. This paper provides information about, reduced device count multilevel inverter topologies & its modulation schemes. Here also compared the hybrid multilevel inverters (Reversing voltage Multilevel inverter) with and without the usage of SPWM method & shown that, the harmonic distortion of the output Voltage waveform decreases in the RV MLI's. These multilevel inverters will also be compared with conventional multi level topologies to investigate the advantages of using hybrid topology. Basic switching, Modulation strategies & component comparison will also be presented in this work.

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