Abstract
In this paper, the modulation strategy is developed for N-phase to m-phase matrix converters. Three switching strategies based on pulse width modulation (PWM) technique for control of matrix converters are proposed here. These are named positive, negative and combined switching strategies. By these switching strategies, the balanced and unbalanced output voltages are generated by any set of balanced and unbalanced input voltages. In the combined switching strategy, the output voltages can be established from the α part of the positive switching strategy and β part of the negative switching strategy. The factors α and β have a strong influence on the control of the different characteristics such as control of the input power factor regardless of the load power factor, elimination of the input current harmonics, reduction of total harmonics distortion (THD), etc. The proposed control methods can be easily developed for different types of the matrix converters regardless of the number of phases and the type of waveforms in input and output sides. The experimental and simulation results verify the capabilities of the proposed control methods in generating the desired output voltages.
Published Version
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