2013•Applied Mechanics and MaterialsOpen access

An Improved Space Vector Modulation Method of Matrix Converter

Jin Sun, Lei Zhang, You Min Wang, Junchao Zhang

Abstract

Based on study of space vector modulation, cca novel over-modulation strategy of matrix converter is proposed for the problem of low voltage transfer ratio of matrix converter. According to the relation of the voltage space vector trace and hexagon trace vector, the control level is divided into linear modulation level and over-modulation level. The over modulation strategy is achieved by transforming the voltage modulation coefficient. The simulation results demonstrate that the voltage transfer ratio can be up to 0.955.

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Available abstract

Key concepts: Space vector modulation, Modulation (music), Voltage, Control theory (sociology), Matrix (chemical analysis), TRACE (psycholinguistics), Mathematics, Topology (electrical circuits)