| 三相并网逆变器LCL滤波器的参数设计与研究 |
| |
| 引用本文： | 刘飞,查晓明,段善旭.三相并网逆变器LCL滤波器的参数设计与研究[J].电工技术学报,2010(3). |
| |
| 作者姓名： | 刘飞 查晓明 段善旭 |
| |
| 作者单位： | 武汉大学电气工程学院;华中科技大学电气与电子工程学院; |
| |
| 基金项目： | 中国博士后科学基金资助项目(20090451063) |
| |
| 摘 要： | 在满足相同的高频滤波效果的情况下,LCL滤波器所需的总电感值比L滤波器小,因此更适于在大功率、开关频率较低的电流源控制型并网设备上应用。然而针对该类型滤波器的参数设计不仅关系到开关频率处纹波抑制效果,同时也会影响并网电流控制器的性能。本文首先建立LCL滤波器在并网模式下的谐波模型,其次研究滤波器各参数变化与纹波抑制和谐振频率之间的变化关系,在此基础上提出在尽量节约总的电感磁心材料的前提下,设计出滤波效果最优的LCL滤波器的参数值,同时还需要保证LCL滤波器的谐振频率不能太小,以免成为制约电流控制器设计时的因素。最后通过三相并网逆变器的实验装置给出LCL滤波器设计方案的实验效果。
|
| 关 键 词： | 并网逆变器 LCL 滤波器 谐振频率 谐波抑制 磁心 |
Design and Research on Parameter of LCL Filter in Three-Phase Grid-Connected Inverter |
| |
| Liu Fei Zha Xiaoming Duan Shanxu.Design and Research on Parameter of LCL Filter in Three-Phase Grid-Connected Inverter[J].Transactions of China Electrotechnical Society,2010(3). |
| |
| Authors: | Liu Fei Zha Xiaoming Duan Shanxu |
| |
| Affiliation: | 1. WuHan University Wuhan 430072 China 2. Huazhong University of Science and Technology Wuhan 430074 China |
| |
| Abstract: | Because LCL filter needs smaller inductance value comparing to L type filter at the same performance in harmonic suppression, it is gradually used in high-power and low-frequency current-source-controlled grid-connected converters. However design work of LCL filter parameter not only relates to switch frequency ripple attenuation, but also impacts on performance of grid-connected current controller. First of all, this paper introduces a harmonic model of LCL filter in grid-connected operation, secondly rese... |
| |
| Keywords: | Grid-connected inverter LCL filter resonance frequency harmonic suppression magnetic core |
| 本文献已被 CNKI 等数据库收录！ |
