Abstract:This paper proposes a two-step commutation method for a three-phase-to-single-phase matrix converter. Conventional two-step commutation cannot be applied at all operation regions because a commutation failure still owing to detection error of grid voltages. In our proposed two-step commutation, we modulate only one of two devices in a bidirectional switch and utilize a zero vector to let the switches naturally turn off, in this manner, the commutation failures are avoided completely regardless of the voltage d… Show more
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