SIMULATION BASED COMPARATIVE ANALYSIS OF HIGH FREQUENCY SINGLE PHASE MULTILEVEL INVERTER USING LEVEL SHIFTED IN PHASE DISPOSITION SPWM TECHNIQUE

In this project mainly focused on the design and implementation of new topology in a single phase cascaded H-bridge multilevel inverterby using only MATLAB software. The main objective of this project is to increase number of levels with a low number of switches andsources at the output without adding any complexity to the power circuit. The main merit of the new topology is to reduce the lower totalharmonic distortion, lower electromagnetic interference generation and high output voltage. In this project, various carrier sinusoidal pulsewidth modulation techniques are proposed, which can minimize the total harmonic distortion and enhances the output voltages fromproposed work of multilevel inverter. The various switching topologies of single-phase cascaded H-bridge multilevel inverters have beenanalysed in this paper.