Abstract
Matrix Converter is considered as a forced commutated AC-to-AC converter, where an array of bidirectional controlled switches produces variable voltage and frequency. This paper presents amodulation approach to MC operation: a fictitious DC link control technique, which is also known as the Indirect Modulation method and is characterized by lack of reactive storage components in the DC link. This method allows the bidirectional power to flow between the source and load, and thus raise the voltage ratio above 86.6%, control the desired magnitude and frequency, and achieve nearly unity power factor at the input side of the converter.
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