# A Novel Cascaded Multilevel Inverter for High Power UPS Application

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Multilevel Inverters can produce a stepped voltage that has less harmonic content rather than H-bridge inverters. THD is normally used as a benchmark to evaluate the harmonic content. In literature, the THD formula of phase voltage of the multilevel inverter has been presented. But, for...

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In order to realize the inverters operate in parallel, the output of each inverter must be synchronized. The traditional method of adjusting is the power adjustment method which exist the problems that the system reaches the steady state takes a long time, the parameters is difficult to...

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