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文章摘要
LCL并网逆变器改进加权电流控制方法及其鲁棒性分析
Improvement and Robustness Analysis of the Weighted Average Current Control Based on LCL Grid-Connected Inverter
Received:April 08, 2017  Revised:April 08, 2017
DOI：
中文关键词: 并网逆变器  LCL滤波器  加权电流控制方法  鲁棒性
英文关键词: grid-connected inverter  LCL filter  the weighted average current control  robustness
基金项目:
Author NameAffiliationE-mail
WANG Bifang* Wuhan Polytechnic 14575598@qq.com 
LI Shangsheng Wuhan Keliyuan Electric Company 99562987@qq.com 
Qu Lifeng Wuhan Keliyuan Electric Company 278856036@qq.com 
Cao Yan Wuhan Polytechnic pingfanyan@163.com 
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中文摘要:
      加权电流控制方法可以使LCL并网逆变器控制系统降阶,从而提高控制系统的稳定性与带宽。但该方法不能抑制并网逆变器输出电流谐振峰,同时当滤波器电感参数偏移时,还可能造成不稳定现象。本文针对该问题,在不增加额外传感器的前提下,推演出附加不同电流反馈的改进加权电流控制方法,并进行对比择优,从而得出谐振抑制效果理想且稳态误差较小的改进方法；该方法在保持加权电流降阶特性的前提下,抑制了输出电流谐振峰,提高了整个控制算法的鲁棒性。仿真结果验证了理论分析的正确性。
英文摘要:
      
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