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高压电器  2015 

基于PI和重复控制的并网逆变器复合控制方案研究

DOI: 10.13296/j.1001-1609.hva.2015.07.017, PP. 87-91

Keywords: 并网逆变器,重复控制,PI控制,动态响应,稳态误差

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Abstract:

针对单相并网逆变器系统,给出了一种重复控制器的补偿器简化设计方案。重复控制虽能够保证系统稳态时的输出精度,但是其系统调节的实时性差。为了克服重复控制器动态响应差的缺点,采用了一种基于PI控制和重复控制的复合式控制方法,既保证系统的稳态输出特性,又提高了系统的动态性能。仿真结果验证了复合式控制方法的正确性。

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