Abstract
Abstract: Multi-level inverter have huge advantages than the conventional inverter. This paper proposes 17 level cascaded multilevel inverter with minimum number of semiconductor switches and DC sources. A new controller is designed to trigger the switches of semiconductor devices to obtained the required output. To control the switching sequence of the metal oxide semiconductor field effect transistor(MOSFET) an embedded code is developed. 3- level, 5 -level ,17 -level and 27 -level cascaded H Bridge multi-level inverters are modelled on MATLAB/SIMULINK and Total Harmonic distortion (THD) of each level are compared to show the improved performance. Keywords: H-bridge, multilevel inverter, symmetrical DC-sources, asymmetrical H bridge topology
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