Abstract
Abstract. This paper investigates the optimum Switching Angle through Imperialist Competitive Algorithm to Eliminate Low Order Harmonics in multilevel Inverter. Variation of DC Voltage Sources is the other parameter that is evaluated. In this regard, a multi level cascaded inverter with 27 different modes of DC voltage Variation is analyzed. The main goal is to achieve fundamental output voltage without low order harmonics. Furthermore, a comparative analysis between particle swarm optimization and Imperialist Competitive Algorithm is done and the optimum switching angles are determined. Simulation results demonstrate the acceptable performance of the approach.
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