Study on the Design of LCL Filter and Its Active Damping Strategy of Three-phase Grid-connected Inverter

doi:10.14044/j.1674-1757.pcrpc.2017.04.032

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Study on the Design of LCL Filter and Its Active Damping Strategy of Three-phase Grid-connected Inverter

更新时间：2024-09-14

- Study on the Design of LCL Filter and Its Active Damping Strategy of Three-phase Grid-connected Inverter
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 38, Issue 4, Pages: 183-188(2017)
- 作者机构：
  
  许昌学院电气(机电)工程学院
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2017.04.032
  CLC： TM464;TM761
- Published：2017，
- 稿件说明：
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[1]郭利辉.三相并网逆变器的LCL滤波器设计及其有源阻尼策略研究[J].电力电容器与无功补偿,2017,38(04):183-188.

Study on the Design of LCL Filter and Its Active Damping Strategy of Three-phase Grid-connected Inverter. [J]. Power capacitor & reactive power compensation, 2017, 38(4): 183-188.
[1]郭利辉.三相并网逆变器的LCL滤波器设计及其有源阻尼策略研究[J].电力电容器与无功补偿,2017,38(04):183-188. DOI： 10.14044/j.1674-1757.pcrpc.2017.04.032.

Study on the Design of LCL Filter and Its Active Damping Strategy of Three-phase Grid-connected Inverter. [J]. Power capacitor & reactive power compensation, 2017, 38(4): 183-188. DOI： 10.14044/j.1674-1757.pcrpc.2017.04.032.

摘要

在系统输入、输出模型与传递函数的基础上

针对含LCL滤波器的三相并网逆变器提出了一种优先考虑滤波效果的LCL滤波器设计方法。为了抑制LCL滤波器的固有谐振

在基于同步旋转坐标系的三相并网逆变器控制中

提出了一种电容电流反馈有源阻尼法。最后通过仿真和实验对本文提出方法的正确性和有效性进行了证明。

Abstract

In this paper

a kind of design method for LCL filter with priority of filtering result is proposed for the three-phase grid-connected inverter including LCL filter on the basis of system input and output model and transfer function. For suppressing the inherent resonance of LCL filter

a kind of capacitive current active damping method is proposed in the three-phase grid-connected inverter based on synchronous rotating frame. Finally

both the correctness and effectiveness of the proposed method is proved through simulation and experiment.

关键词

并网逆变器LCL滤波器滤波效果电容电流反馈有源阻尼

Keywords

grid-connected inverterLCL filterfiltering effectcapacitor current feedbackactive damping

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