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This paper is concerned with the process of current commutation and overvoltage protection in matrix converters. The mechanisms involved in the commutation process and clamp circuit are described and simulation waveforms are presented. A four-step semi-soft commutation strategy is described that this technique relies on knowledge of the output current direction and the ability to control the direction...
This paper presents two switching patterns for the indirect matrix converter which models the matrix converter as two separate stages of rectifier and inverter. Both of the proposed patterns keep the number of switching at a minimum and exhibits sinusoidal input and output currents. Simulation of indirect space modulation is presented using PSIM software and the proposed patterns are simulated and...
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