雷海霞（福建省建筑设计研究院有限公司，福州市 350001）

Discussion on the Equipotential Bonding Design of Charging Facilities for Electric Vehicle

LEI Haixia(Fujian Provincial Institute of Architectural Design and Research

Co.,Ltd.,Fuzhou 350001，China)

Abstract：The current design codes and standards and application status of electric vehicle are analyzed and summarized,and the calibration method for the necessity and effectiveness of supplementary equipotential bonding (SEB) is proposed. Meanwhile,suggestions are proposed for the design of equipotential bonding for indoor and outdoor charging facilities:equipotential bonding shall be set up for outdoor charging facilities;the setting of equipotential bonding for indoor charging facilities shall be determined according to the specific circumstances.

Key words：electric vehicle;charging facilities;equipotential bonding;SEB effectiveness;earthing;protection against electric shock;protective earthing conductor(PE);additional protection

摘　要：通过对当前电动汽车充电设施设计规范、标准要求及应用现状的分析、总结，提出辅助等电位联结SEB设置的必要性及有效性校验方法，并就室内外充电设施等电位联结提出设计建议：室外充电设施应设置等电位联结；室内充电设施是否设置等电位联结可根据具体情况确定。

关键词：电动汽车；充电设施；等电位联结；SEB有效性；接地；电击防护；保护接地导体（PE）；附加防护

中图分类号：TU852                 　  文献标识码：A

doi：10.3969 / j. issn.1003 － 8493.2024.08.014