江悦,曹旌,梁刚,马占军,田圳,肖朝霞

• 1:国网天津市电力公司东丽供电公司
• 2:天津工业大学电气工程学院

摘要(Abstract)：

考虑光伏并网逆变器功率器件的死区效应和非理想开关特性，分析基于双极性正弦脉冲宽度调制三相逆变器输出电压的谐波特性，推导计及功率器件死区效应与开通关断延时的逆变器输出误差电压定量计算公式，建立包含逆变器输出误差电压的两相静止坐标系下三相LCL型并网逆变器的受控电流源等效电路模型，提出基于光伏并网逆变器功率控制的虚拟阻抗控制器设计方法，以抑制谐波电流并确保光伏逆变器最大功率输出。Matlab/Simulink仿真表明并联的虚拟阻抗控制可有效抑制谐波电流。

关键词(KeyWords)： 光伏并网逆变器;虚拟阻抗控制器;谐波抑制;死区效应

Abstract:

Keywords:

基金项目(Foundation):

作者(Author): 江悦,曹旌,梁刚,马占军,田圳,肖朝霞

DOI: 10.19635/j.cnki.csu-epsa.001030

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