Abstract
Three-phase matrix converter-based dual AC to DC rectifier is reported in the literature. But these reports only indicate that dual DC output voltages with fixed value are possible by setting the desired AC output voltage phase angle leading by 30 degrees and output frequency zero in the model. Detailed modeling studies using SIMULINK reveal that with the frequency of desired AC output voltage set to zero, as the AC output voltage phase angle is varied from 0 to + $$\pi $$ and 0 to $$-\pi $$ , dual DC output voltages in multitude of combinations are possible such as (a) both voltages positive and unequal, (b) both voltages positive and equal, (c) any one voltage zero and the other positive, (d) any one voltage positive and the other negative with unequal modulus value, (e) any one voltage positive and the other negative with equal modulus value, (f) any one voltage zero and the other negative, (g) both voltages negative and unequal, (h) both voltages negative and equal. This paper provides a detailed insight into this finding with a mathematical derivation for the dual DC output voltage magnitude. Theoretical finding is confirmed by model simulation.
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