剩余电流动作保护装置的选用和安装分析  

Analysis on Selection and Installation of Residual Current Operated Protective Device

作　　者：倪高俊 郑凯 NI Gaojun;ZHENG Kai(The Architectural Design&Research Institute of Zhejiang University Co.,Ltd.,Hangzhou 310000,China)

机构地区：[1]浙江大学建筑设计研究院有限公司

出　　处：《现代建筑电气》2019年第12期7-11,共5页Modern Architecture Electric

摘　　要：剩余电流动作保护装置(RCD)广泛应用于电击防护和电气火灾报警,但由于选用和安装不当,运行过程中会发生不动作和误动作。针对这一现状,在分析了剩余电流与对地泄漏电流、漏电电流和剩余电流与零序电流等相关术语的基础上,总结了常见RCD安装不当的情况,并提出了对应的解决方案或措施。Residual current operated protective devices have been widely applied in protection of lighting strike and prevention of electrical fires.However,there will be malfunctions in practical applications due to inappropriate selection and installation.On the basis of identifying residual current,earth leakage current and zero sequence current,the common cases of inappropriately installing residual current operated protective devices are summarized.Furthermore,the solutions to deal with the problems are proposed.

关 键 词：剩余电流动作保护装置 剩余电流 对地泄漏电流 零序电流 接地故障电流 剩余动作电流 剩余不动作电流 

分 类 号：TM401[电气工程—电器]