作　　者： ;

机构地区： 兰州交通大学机电工程学院机电技术研究所

出　　处： 《变频器世界》 2009年第9期79-82,共4页

摘　　要： 本文首先对9开关矩阵变换器的工作原理以及控制方法进行分析,然后建立了矩阵变换器在d-q坐标系下的数学模型和矩阵式变换器实现变速恒频风力发电功率转换控制结构,并对矩阵式变换器实现变速恒频风电功率转换控制结构进行仿真,结果表明矩阵式变换器应用于变速恒频风力发电系统实现功率转换是可行的。 This paper firstly analyzed the bidirectional nine-switch matrix converter about the operational principle,the switch cell s synthesize and current commutation and the control strategy.Matrix converter is a new type of converter has the superior electrical characteristics,matrix converter has a network-side current control,power factor can be adjusted to two-way flow of energy characteristics,a matrix converter in the d-q coordinate system and the mathematical model is established,and studied the circuit structure of matrix converter realization the variable speed constant frequency wind power generation power conversion, and simulation to control structure, the simulation results show that the matrix converter applied to variable speed constant frequency wind power generation system realization power conversion.

关 键 词： 矩阵式变换器 风力发电 变速恒频 仿真

领　　域： [电气工程]