陈 谦（山东意匠建筑设计有限公司，济南市 250022）

Analysis of the Misunderstanding about Supplementary Protective Equipotential Bonding

CHEN Qian(Shandong Yijiang Architectural Design Co.,Ltd.,Ji’nan 250022，China)

Abstract：People in the industry hold different opinions on supplementary protective equipotential bonding. Some arguments are analyzed and some misunderstanding is clarified in this paper：related terms are corrected according to relevant standards and literature;the specific measures and key points for the setting of supplementary protective equipotential bonding are analyzed;methods are proposed for checking supplementary protective equipotential bonding;related concepts and principles are explained in details,so as to realize appropriate application in engineering practice.

Key words：protective equipotential bonding;supplementary protective equipotential bonding;fault protection;additional protection;prospective touch voltage;effectiveness check;effectiveness test;contact resistance

摘　要：行业内对辅助保护等电位联结有不同看法，通过对一些论点进行分析，澄清其误解：根据相关标准和文献的相关规定，更正相关术语；分析设置辅助保护等电位联结的具体措施和要点，提出校验辅助保护等电位联结的方法；明确相关概念和原理，在工程实践中正确应用。

关键词：保护等电位联结；辅助保护等电位联结；故障防护；附加防护；预期接触电压；有效性校验；有效性测试；接触电阻

中图分类号：TU852                　  文献标识码：A

doi：10.3969 / j. issn.1003 － 8493.2024.07.004