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In this study, a novel structure for cascade multilevel inverter is presented. The proposed inverter can generate all possible DC voltage levels with the value of positive and negative. The proposed structure results in reduction of switches number, relevant gate driver circuits and also the installation area and inverter cost. The suggested inverter can be used as symmetric and asymmetric structures. Comparing the peak inverse voltage and losses of the proposed inverter with conventional multilevel inverters show the superiority of the proposed converter. The operation and good performance of the proposed multilevel inverter have been verified by the simulation results of a single‐phase nine‐level symmetric and 17‐level asymmetric multilevel inverter and experimental results of a nine‐level and 17‐level inverters. Simulation and experimental results confirmed the validity and effectiveness performance of the proposed inverter.
Ajamı et al. (Wed,) studied this question.