【摘要】 对采用矩阵式变换结构的可控整流器工作原理进行了分析研究,并将其与直流调速系统相结合,提出了基于电流空间矢量调制控制策略的矩阵整流器-直流可逆调速系统。借助Matlab软件搭建控制系统仿真模型,对系统的运行性能进行了仿真实验分析。实验结果表明基于矩阵整流器驱动的调速系统达到了良好的控制效果,系统具有动态响应快、4象限运行、能量回馈以及变换器输入侧电流正弦性好、功率因数高等显著特性。更多还原

【Abstract】 The principle of controllable rectifier based on matrix converter was analyzed.Combining with the DC speed control system,a matrix rectifier-reversible DC speed control system based on space vector modulation was proposed.The simulation model of control system was built by using Matlab.The operating performance of the system was analyzed.The simulation results show that the speed control system based on matrix rectifier is with good performance of speed control,and with significant properties of quick dynamic response,the four-quadrant operation,energy feedback,good sinusoidal current of the converter input side and high power factor.更多还原