Implementation of Single Phase Matrix Converter

Abstract

In conventional static converters there are more number of conversion stages i.e. ac- to-dc-to-ac, therefore the efficiency reduces. Matrix converters provide direct ac-to-ac conversion without any intermediate dc link. Thus, it also eliminates the dc link in- ductor and capacitor which results in reduced number of stages thereby increasing the efficiency. In this project a single-phase to single-phase matrix converter is being simulated and fabricated, which converts input line voltage into variable voltage with unrestricted output frequency without using intermediate circuit or dc link, using eight switches. Pure sine-in and sine-out, power factor control, compact and simple design and regenerative capability due to use of bidirectional switches are its main fea- tures. Here the matrix converter realization as a rectifier, inverter and cyclo-converter are studied through proper simulation in MATLAB/Simulink software package.