A Research on Single Phase LCL Inverter Based on State Feedback Abstract

Zhang Miao; Guo Xing-yi; Zhang Xing-wang

doi:10.12052/gdutxb.170165

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A Research on Single Phase LCL Inverter Based on State Feedback Abstract

更新时间：2026-05-27

- A Research on Single Phase LCL Inverter Based on State Feedback Abstract
- Vol. 35, Issue 5, Pages: 60-64, 69(2018)
- 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：
- 基金信息：
- DOI：10.12052/gdutxb.170165
  CLC： TM464
- Online First：10 July 2018，
  
  Published：2018
- 稿件说明：
移动端阅览
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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MISKOVIC V, BLASKO V, JAHNS T, et al. Observer based active damping of LCL resonance in grid connected voltage source converters[C]// Energy Conversion Congress and Exposition.[S.l.]: IEEE, 2013: 4850-4856.

CHEN D, ZHANG J M, QIAN Z M, Single current feedback control strategy for grid-connected inverters with LCL filters[J]. Single current feedback control strategy for grid-connected inverters with LCL filters [J]. Proceedings of The CSEE, 2013, 33(9): 10-16.

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QU K Q, LI W Q, YE T K. State feedback based decoupling control strategy for grid-connected inverter with LCL filter [J]. Transactions of China Electro Technical Society, 2016, 31(20): 130-138.

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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