New Multilevel Inverter with Resonance Switched Capacitor Converter

Abstract

In this paper proposes a novel multilevel DC-AC inverter. A seven level AC output voltage is generated using the proposed multilevel with the befitting gate signals design. The low-pass filter is used to reduce the total harmonic distortion of the sinusoidal output voltage. The proposed multilevel inverter generates seven-level ac output voltage with the appropriate gate signals’ design. The switching losses and the voltage stress of power devices can be reduced in the proposed multilevel inverter. The operating principles of the proposed inverter and the voltage balancing method of input capacitors are discussed. The multilevel inverter is controlled with sinusoidal pulse-width modulation (SPWM). By using the simulation results we can analyze the  that the maximum efficiency is 96.9% and the full load efficiency is 94.6%.