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电网技术  2014 

多个并网逆变器间的交互影响分析

DOI: 10.13335/j.1000-3673.pst.2014.09.031, PP. 2511-2518

Keywords: 并网逆变器,交互影响,相对增益矩阵,控制参数

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Abstract:

多个并网逆变器之间的交互影响给电网的稳定运行和电能质量带来负面影响。基于状态空间平均法建立了多并网逆变器传递函数模型,基于所建立的模型和相对增益矩阵原理,提出了一种多个并网逆变器电流控制回路之间交互影响的分析方法,使其能够定量地分析多并网逆变器电流控制回路之间的交互影响和系统频率、控制参数以及电网强度之间的关系。时域仿真和基于相对增益矩阵(relativegainarray,RGA)原理分析方法的一致性,验证了该分析方法的有效性。

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