Flexible neutral point displacement overvoltage suppression method based on backstepping control in unbalanced distribution networks

Ze-Yin Zheng, Jian-Feng Xu,Bin-Long Zhang,Hui Wang,Mou-Fa Guo,Shuyue Lin

International Journal of Electrical Power & Energy Systems（2023）

引用 1|浏览12

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摘要

•A flexible asymmetry suppression device (FASD) is based on the cascaded H-bridge topology.•FASD is applied to suppress the neutral point displacement over-voltage.•Cascaded H-bridge (CHB) inverter is based on the back-stepping control (BSC) method.•Current-based on the BSC method is proposed to limit the neutral point displacement over-voltage.•BSC, PIC, SMC, and PRC methods applied to FASD are compared, respectively.

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关键词

Distribution networks,Three-phase-to-ground parameters asymmetry,Neutral point displacement overvoltage suppression,Current injection,Backstepping control

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