用于加速器电源的一种矩阵变换器拓扑研究

本文提出了一种适用于加速器电源的磁耦合型矩阵整流拓扑，并在加速器电源上对该矩阵拓扑的基本整流原理进行了验证。研究了空间矢量调制（SVM）和反馈控制相结合的控制策略，该策略能较好地抑制网侧电流谐波，提高网侧功率因数，同时确保负载侧电流对指令电流较好地跟踪。仿真实验及原理样机测试结果表明，该拓扑和控制策略可实现直流输出，达到预期目标。因此，作为加速器电源变换器拓扑的一种可行性选择，矩阵整流器具有良好的研究前景。

Study on Matrix Converter Topology Applied to Accelerator Power Supply

A magnetic coupling matrix rectifier topology being suitable for accelerator power supply was presented .And the basic rectifier principle of the matrix topology was verified on the accelerator power supply .Based on space vector modulation (SVM ) and feedback control ,a control strategy was studied ,which can well reduce line‐side har‐monic current ,improve the line‐side power factor ,and guarantee the instruction current to be properly tracked by the output current .The results of simulation experiment and prototype test show that the matrix topology and its control strategy can realize DC out‐put and achieve intended requirements .T herefore ,as a kind of feasible choice of accel‐erator power converter topology ,the matrix rectifier has a well research prospect .