Extended voltage range AC drive using a Z source Indirect Matrix Converter

In this paper, a control system for an Indirect Matrix Converter (IMC) with a Z source is proposed. This power topology and control is intended for the variable speed drive of a three phase induction motor. To maintain the low filtering needs of IMC, the z source inductors and capacitors values are sized to be similar to the input filter parameters. The resultant IMC has boost capabilities, thereby increasing the ac motor drive operating range, while keeping low harmonic content input currents. Several simulations on the proposed converter are performed, showing its capabilities and development potential, namely the possibility of using SPWM over its nominal range.