Simplified Space Vector PWM Algorithm for a Three Level Inverter

摘要

Abstract — The Space vector based PWM strategies have broader choice of switching sequences to generate the required reference vector than triangle comparison based PWM techniques for three-level inverters. However, Space Vector based PWM technique involves various steps which are computationally exhaustive. In order to reduce this complexity, a simplified algorithm is proposed here. This work aims at reducing of harmonic distortion in high-power drives, which have low switching frequencies. In this paper, Conventional Space Vector based PWM (CSVPWM) algorithm and Modified Space Vector based PWM (MSVPWM) algorithm are presented. Index Terms — multilevel inverter, computational efforts, Conventional Space Vector based PWM, Modified Space Vector based PWM