Abstract
Multilevel inverter is a power electronic device and that is become more popular over the years in high-power high-voltage applications. Multilevel inverters have unique structure which makes it possible to reach high voltages with less harmonic content and lower EMI. The harmonic content of the output voltage waveform decreases as the number of output voltage increases. This paper proposes a 9-level multi-level inverter with Reversing Voltage topology. This proposed multilevel inverter topology here is implemented in single-phase and three-phase with different pulse width modulation (PWM) techniques, which requires less number of components, and gate drive circuit as compared to other multilevel inverters. A multicarrier PWM technique is used for multilevel inverter topology to generate 9-level output phase voltage. Finally simulation results of a 9-level multi-level inverter topology are carried out using MATLAB/Simulink R2013a software version.
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