大功率变频系统LCL滤波器研究

随着变频系统功率的不断增大,对滤波器的滤波效果和体积要求越来越高。相比传统的L型滤波器,LCL滤波器对高次谐波抑制能力强,占用体积更小。本文对LCL滤波器参数设计进行了研究,并利用Matlab/Simulink建立模型,仿真结果验证了滤波器设计方法的有效性和可行性。

With the continuous increase of the single power of the frequency conversion system, the filter effect and volume requirements for the filter are becoming higher and higher. Compared with the traditional L-type filter, the LCL filter has a stronger ability to suppress higher harmonics and takes up a smaller volume. This paper studies the parameter design of LCL filters suitable for variable frequency systems, and uses Matlab/Simulink to build models. Simulation results verify the effectiveness and feasibility of the filter design method.