现代电子技术2017，Vol.40Issue(6)：171-174,178,5.DOI:10.16652/j.issn.1004-373x.2017.06.043
基于LCL型并网逆变器的二自由度控制技术研究
Research on two-degree-of-freedom control technology based on LCL-type grid-connected inverter
成燕 1徐博 1刘晓飞 1王钊1
作者信息
- 1. 武汉科技大学信息科学与工程学院,湖北武汉430080
- 折叠
摘要
Abstract
The LCL-type filter is used at the AC side of the photovoltaic grid-connected inverter to pedorm system filtering,and has more excellent filtering effect than that of the L-type filter.Since the system stability can be effected by the high frequency resonance produced by the LCL-type filter,various solutions are proposed by scholars at home and abroad to solve the problem,in which the reactive damping control method and active damping control method are the two widely-used ones.A two-degree-of-freedom PID control strategy is applied to the photovoltaic grid-connected inverter control system.The system performance is analyzed with Matlab simulation.The experimental results indicate that the method has improved the robustness and following performance of the system,and has a better suppression effect for the system harmonic.关键词
并网逆变器/二自由度控制/有源阻尼/LCL滤波器Key words
grid-connected inverter/two-degree-of-freedom control/active damping/LCL filter分类
信息技术与安全科学引用本文复制引用
成燕,徐博,刘晓飞,王钊..基于LCL型并网逆变器的二自由度控制技术研究[J].现代电子技术,2017,40(6):171-174,178,5.
