基于LCL滤波器的并网逆变器谐振阻尼

Proceedings of The 7th International Power Electronics and Motion Control Conference Pub Date : 2012-06-02 DOI:10.1109/IPEMC.2012.6258937

Sang-Hyub Han, Jong-Hyoung Park, Heung-Geun Kim, Honnyong Cha, T. Chun, E. Nho

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引用次数: 7

摘要

三相PWM逆变器通过LC或LCL滤波器连接到电网。虽然LCL滤波器更有效，因为它更有效地衰减开关谐波，但它会引起稳定性问题。为了实现稳定的运行，必须使用阻尼电阻或主动阻尼算法。然而，虽然阻尼电阻会造成额外的损耗，但为了避免这些缺点，本文给出了一个简单的主动阻尼解决方案的仿真结果，该方案适用于工业应用。

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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Resonance damping of LCL filter based grid-connected inverter

Three-phase PWM inverters are connected to the grid by an LC or an LCL filter. Although an LCL filter is more effective since it more efficiently attenuates the switching harmonics, but it causes stability problems. To enable a stable operation, either a damping resistor or an active damping algorithm has to be used. However, while a damping resistor causes additional losses, to avoid these disadvantages, this paper shows simulation results of a simple active damping solution which is suitable for industrial applications.

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Proceedings of The 7th International Power Electronics and Motion Control Conference

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