Abstract
A modulation method, which consists of conventional space vector modulation (SVM) method based on a virtual AC/DC/AC conversion and carrier signal modulation for matrix converters, was proposed by authors, previously. The proposed SVM method can reduce distortion of output voltage waveforms. In this paper, the proposed SVM method is explained. And a mechanism for suppression of output voltage distortion is examined by the simulation. Specifically, the mechanism for suppression of output voltage distortion is clarified by the analysis of PWM pattern produced from the proposed SVM method. Finally, coincidence of simulation and experimental results confirms the validity of the mechanism.
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