矩阵变换器优化空间矢量控制算法研究

The Optimization Algorithm Study on Space Vector Control of Matrix Converter

根据矩阵变换器空间矢量控制原理的分析,推导出不同电流、电压扇区组合下矩阵变换器的开关元件状态,通过采用优化双向矢量调制顺序规律,最终得到矩阵变换器的优化空间矢量控制策略。经过 Matlab 仿真,并以异步电动机为负载,验证了该矩阵变换器空间矢量控制策略的正确性,同时,仿真结果也表现出矩阵变换器良好的输出特性。

Based on the analysis of space vector modulation strategy of matrix converter, the switching cells states of matrix converter are deduced in different sector combinations of voltage and current vectors, and the algorithm of space vector modulation is educed by using optimized double-sided switch pattern. In the simulation, the asynchronous motor is as the load, the simulation results not only validate the availability of the space vector control, but also demonstrate the excellent output characteristics.