Investigation on hybrid cascaded multilevel inverter with reduced dc sources

This paper introduces a hybrid cascade multilevel inverter (HCFMLI) topology with bottom standard three-leg and H-bridge cells. The optimal structures of HCMLI are investigated for various objectives, such as minimum number of switches and capacitors, and minimum standing voltage on switches for producing maximum output voltage steps. The suggested topologies introduced herein are most reliable and cost effective when compared with other multilevel based architectures. The operation and performance of the suggested HCMLI's has been verified by the simulation and prototype verifications. Finally, adequate results are presented to confirm the findings.

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