Simplified calculation method of threshold value for the non-unit transient-voltage based protection in multi-terminal VSC-HVDC grid

Jiawei He,Bin Li,Ye Li,Wenbo Wang,Huijie Lyu,Botong Li

International Journal of Electrical Power & Energy Systems（2022）

引用 10|浏览9

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摘要

•The fault traveling wave propagation process in dc grid is analyzed.•The method to calculate threshold value of non-unit transient-voltage protection is proposed.•The proposed method calculates threshold value by constant parameters, thus being much simpler.

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关键词

Multi-terminal VSC-HVDC grid,Non-unit transient-voltage based protection,Threshold value,Frequency-dependent characteristics

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