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Unipolar PWM Using TAR Reference for Improved Performance of New Structure MLI

V.Arun, N.Prabaharan, K.Raja, B. Shanthi

This paper presents a new structure of multilevel inverter. Multilevel inverter is triggered by using Unipolar Pulse Width Modulating (UPWM) strategies using Trapezoidal Amalgamated Rectangular (TAR) reference with triangular carriers. The performance measures like Crest Factor (CF), Distortion Factor (DF), Form Factor (FF), VRMS (fundamental) and Total Harmonic Distortion (THD) are evaluated for various PWM strategy and different modulation indices. Simulation is performed by using MATLAB-SIMULINK