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基于互联与阻尼配置无源控制的并网逆变器电流控制技术

, PP. 99-105

Keywords: 并网逆变器,T型滤波器,无源控制,IDA-PBC

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Abstract:

在分布式电源并网发电中,并网逆变器及其输出滤波器是实现电能馈送的重要环节。本文在并网逆变器中引入T型滤波器取代传统的电感滤波器以减小并网电流的谐波含量。为了克服采用T型滤波器对并网逆变器系统带来的不稳定性,本文提出了一种互联与阻尼配置的无源控制控制策略,并详细分析了该控制器的稳定性。仿真与实验结果证明采用该控制策略可以有效实现并网逆变器稳定运行,具有较好的稳态性能和动态性能。

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