基于状态反馈的单相LCL逆变器研究

张淼; 郭兴屹; 张兴旺

doi:10.12052/gdutxb.170165

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基于状态反馈的单相LCL逆变器研究

综合研究 | 更新时间：2026-05-27

- 基于状态反馈的单相LCL逆变器研究
- A Research on Single Phase LCL Inverter Based on State Feedback Abstract
- 广东工业大学学报 2018年35卷第5期页码：60-64, 69
- 作者机构：
  
  1. 广东工业大学　自动化学院,广东,广州,510006
  2. 中国电器科学研究院有限公司,广东,广州,510300
- 作者简介：
  
  张淼(1968–)，男，教授，主要研究方向为电力电子与电力传动及可再生能源发电控制技术. E-mail：BeZhangm@gdut.edu
- 基金信息：
  
  广东省自然科学基金资助项目(2015A030313478)
- DOI：10.12052/gdutxb.170165
  中图分类号： TM464
- 网络首发：2018-07-10，
  
  纸质出版：2018
- 稿件说明：
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张淼, 郭兴屹, 张兴旺. 基于状态反馈的单相LCL逆变器研究[J]. 广东工业大学学报, 2018, 35(5): 60-64, 69.

Zhang Miao, Guo Xing-yi, Zhang Xing-wang. A Research on Single Phase LCL Inverter Based on State Feedback Abstract[J]. 2018, 35(5): 60-64, 69.
张淼, 郭兴屹, 张兴旺. 基于状态反馈的单相LCL逆变器研究[J]. 广东工业大学学报, 2018, 35(5): 60-64, 69. DOI： 10.12052/gdutxb.170165.

Zhang Miao, Guo Xing-yi, Zhang Xing-wang. A Research on Single Phase LCL Inverter Based on State Feedback Abstract[J]. 2018, 35(5): 60-64, 69. DOI： 10.12052/gdutxb.170165.

摘要

较高的开关频率能够抑制低频谐波

但同时会引入大量的高频谐波

采用LCL型滤波器可以满足低频增益的同时衰减高频谐波

但该滤波器为一高阶系统

存在谐振尖峰. 为了解决这些问题

本文提出了一种基于状态反馈的控制策略

采用状态观测器实现对系统状态变量的观测

利用状态反馈技术提高系统的鲁棒性

并利用该控制策略减少了系统传感器的数量. 仿真和实验结果均验证了该控制策略是可行的.

Abstract

Higher switching frequency can suppress low frequency harmonics

but at the same time will introduce a large number of high frequency harmonics. The LCL filter can satisfy the low frequency gain and attenuate the high frequency harmonics

but this filter is a high order system with a resonant peak. In order to solve these problems

a control strategy based on state feedback is proposed. The state observer is used to observe the state variables of the system and the state feedback technique is used to improve the robustness of the system. Furthermore

the control strategy reduces the number of system sensors. The simulation and experimental results show that the control strategy is feasible.

关键词

Keywords

references

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LI B, YAO W X, HANG L J, et al . Optimized design of state variable feedback of grid-connected inverter with LCL-filter based on state observer [J ] . Transactions of China Electro Technical Society, 2014, 29(6): 80-90.

BAO C L, RUAN X B, WANG X H, et al . Design of grid-connected inverters with LCL filter based on PI regulator and capacitor current feedback active damping [J ] . Proceedings of The CSEE, 2012, 32(25): 133-142.

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