王晓晓,李田泽

• 1:山东理工大学电气与电子工程学院

摘要(Abstract)：

光伏并网逆变器的控制方法是实现光伏系统并网控制的关键。在对比分析比例谐振控制器的基础上,提出准比例谐振积分与无差拍复合控制相结合的方法,并应用于三相光伏并网逆变系统中。在两相静止坐标系下,准比例谐振控制器(QPR)完成对基波电流的无静差跟踪,基于重复原理的无差拍控制器(DBC)抑制电网低次谐波的干扰,积分环节降低直流分量的影响。在Matlab/Simulink下的仿真结果表明,该控制方法可以实现对基波正弦量的无静差跟踪,有效抑制谐波,具有较好的动态和稳态性能。

关键词(KeyWords)： 光伏并网;逆变器;准比例谐振控制;无差拍控制;积分控制;Matlab

Abstract:

Keywords:

基金项目(Foundation): 山东省自然科学基金(ZR2012FL19);; 山东省高等学校科技计划项目(J15LN31)~~

作者(Author): 王晓晓,李田泽

DOI: 10.16652/j.issn.1004-373x.2018.22.029

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