A cascade multilevel inverter is a power electronic II. MULTILEVEL INVERTER ARCHITECTURE AND device built to synthesize a desired AC voltage from several OPERATION levels of DC voltages. Such inverters have been the subject of research in the last several years, where the DC levels A cascade multilevel inverter is a power electronic device were considered to be identical in that all of them were built to synthesize a desired AC voltage from several levels of either batteries, solar cells, etc.

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... imilar to previous results in DC voltages. Such inverters have been the subject of research the literature, the work here shows how a cascade multilevel inverter can be used to obtain a voltage boost at higher speeds inte several yearsc[1][2][t][4], wh ere evel for a three-phase PM drive using only a single DC voltage wereconsideredtobeidenticalithatallofthemwereeither source. The input of a standard three-leg inverter is connected batteries, solar cells, etc. In [5], a multilevel converter was to the DC source and the output of each leg is fed through presented in which the two separate DC sources were the an H-bridge (which is supplied by a capacitor) to form a secondaries of two transformers coupled to the utility AC