LCL-filter design for grid-connected three-phase inverter using space vector PWM
LCL-filter design for grid-connected three-phase inverter using space vector PWM
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DOI：
10.1109/ipemc.2016.7512318
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发表时间：
2016-05
期刊：
影响因子：
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通讯作者：
S. Seo;Yongsoo Cho;Kyo-Beum Lee
中科院分区：
文献类型：
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作者：
S. Seo;Yongsoo Cho;Kyo-Beum Lee
提出了一种基于空间矢量脉宽调制（SVM）的三相并网逆变器LCL滤波器设计方法。目前正在进行各种研究。然而，现有的方法有一个错误，因为他们不适用于支持向量机。本文提出了一种适用于支持向量机开关操作的LCL滤波器的设计方法。LCL滤波器的设计过程是逐步进行的。逆变器侧电感根据开关状态通过对电网电流纹波分量的数学分析得到。根据无功功率吸收比选择滤波电容器。根据输出电流纹波衰减系数设计网侧电感。仿真结果验证了所述LCL滤波器设计方法的有效性。
This paper proposes a LCL-filter design for grid-connected three-phase inverter using space vector pulse width modulation (SVM). There is a variety of studies in progress. However, the existing methods have an error because they are not applicable in SVM. This paper presents the design method of LCL-filter that optimized for SVM switching operation. The LCL-filter design procedure performed step by step. Inverter-side inductor was obtained by mathematical analysis of the ripple components of the grid current according to the switching state. Filter capacitor was chosen by consideration of the reactive power absorption ratio. Grid-side inductor was designed by ripple attenuation factor of the output current. The effectiveness of the described design method of LCL-filter is verified by simulation.