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REDUCTION OF POWER ELECTRONIC SWITCHES FOR THREE PHASE MULTI LEVEL INVERTER FED DRIVE APPLICATIONS

Bharathidasan M and Sathish Kumar G K
Arunai College of Engineering, Tiruvannamalai, Tamil Nadu, India.

Abstract—In this paper a new toplogy has been introduced that reduces number of switches required for higher number of output levels. By this complexity in switching can be also decreased. This is achieved by using an alternate DC source that is linked in opposite polarities via power switches. It requires only a few number of switches when compared to the classical topologies. The proposed system is examined with the help of a three phase, multilevel inverter. The overall Total Harmonic Distortion (THD) of the multilevel inverter is also reduced by using motor load along with the Fuzzy controller. A MATLAB/Simulink based model was developed and simulation results are presented.

Index Terms—Classical topologies, Multilevel inverter, Total Harmonic Distortion (THD), Fuzzycontroller

Cite: Bharathidasan M and Sathish Kumar G K, "REDUCTION OF POWER ELECTRONIC SWITCHES FOR THREE PHASE MULTI LEVEL INVERTER FED DRIVE APPLICATIONS," International Journal of Electrical and Electronic Engineering & Telecommunications, Vol. 1, No. 1, pp. 106-112, March 2015.