弱网格下改进lcl型GCI的自适应阻抗整形方法

2019 IEEE 4th International Future Energy Electronics Conference (IFEEC) Pub Date : 2019-11-01 DOI:10.1109/IFEEC47410.2019.9015044

Bohui Zhao, Xin Zhang, Linjing Miao

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引用次数: 3

摘要

LCL滤波器已广泛应用于并网逆变器(GCI)系统的电能质量改善。然而，在弱电网条件下，它带来了稳定性问题。本文提出了一种新的串联自适应稳定器，以不同的方式解决了这一问题。它只包含一个电流控制回路，没有任何锁相环控制，易于在现实中实现。实验结果表明了该方法的正确性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Adaptive Impedance Shaping Method for Improving LCL-type GCI under Weak Grid

LCL filter has been widely used to improve power quality for grid connected inverter(GCI) system. However, it brings stability problem under weak grid condition. This paper proposes a new series-connected adaptive stabilizer to address the problem in a different way. It only contains a current control loop without any PLL control which is easily implemented in reality. Experimental result reveals the correctness of proposed method.

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来源期刊

2019 IEEE 4th International Future Energy Electronics Conference (IFEEC)

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