Multilevel PWM Methods at Low Modulation Indices


 When utilized at low amplitude modulation indices, existing multilevel carrier-based PWM strategies have no special provisions for this operating region, and several levels of the inverter go unused. This paper proposes some novel multilevel PWM strategies to take advantage of the multiple levels in both a diode-clamped inverter and a cascaded Hbridges… (More)


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@inproceedings{Tolbert1999MultilevelPM, title={Multilevel PWM Methods at Low Modulation Indices}, author={Leon M. Tolbert and Fang Z. Peng and Thomas G. Habetler}, year={1999} }