三相并网逆变器LCL滤波器参数研究  

Research on Parameter of LCL Filter for Three-phase Grid Connected Inverter

作　　者：邱增广 孙康宁 项凌 Qiu Zengguan;Sun Kangning;Xiang Ling

机构地区：[1]国网镇江供电公司,江苏镇江212000

出　　处：《上海电气技术》2025年第1期29-32,共4页Journal of Shanghai Electric Technology

摘　　要：根据三相并网逆变器的拓扑结构,建立LCL滤波器频域谐波模型,类比并联电路支路电流的关系,给出求解LCL滤波器频域谐波模型的简便方法,避免求解传递函数的复杂过程。对三相并网逆变器LCL滤波器参数进行研究,通过分析LCL滤波器原理,结合不同参数情况下LCL滤波器对谐波的抑制效果,给出LCL滤波器参数的设计依据。Based on the topology of three-phase grid connected inverter,a frequency domain harmonic model for LCL filter was established.The relationship between parallel circuit branch current was analogized,and a simple method for solving the frequency domain harmonic model of LCL filter was provided to avoid the complex process of solving transfer function.The research on the parameter of LCL filter for three-phase grid connected inverter was carried out,the principle of LCL filter was analyzed,and the design basis for the parameter of LCL filter was given by combining the suppression effect of LCL filter on harmonic under the condition with different parameters.

关 键 词：逆变器 滤波器 参数 研究 

分 类 号：TN713[电子电信—电路与系统]