Pwm scheme based on space vector modulation for three-phase rectifier converters
2016
A matrix rectifier includes a bridge x defined by phases A and B and a bridge y defined by phases A and C, in which each input phases A, B, and C includes two bi-directional switches connected in series. A method of operating the matrix rectifier includes operating the bridges x and y as independent full-bridge phase-shifted converters in each 60 interval between two successive zero-voltage crossings of the input phases A, B, and C. In a first 30 sector of each 60 interval, the bridges x and y are operated in a first vector sequence in every switching period, and the first vector sequence is divided into a sequence shown in the description.
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