摘要
介绍了剩余电流保护装置的基本原理,详细分析了近年来出现的几种新型剩余电流保护装置的工作原理、运行特性及应用现状,在此基础上剖析了影响剩余电流保护装置正确动作的根源,并提出了对剩余电流保护装置的改进建议。
The basic principles of residual current protection devices were introduced in this paper.The working principles,operation characteristics and application status of new residual current protection were also analyzed.Based on that,influencing factors of correct operating rate of residual current protection device were anatomized,and improvement of residual current protection device were suggested.
出处
《农业工程学报》
EI
CAS
CSCD
北大核心
2010年第S2期151-155,共5页
Transactions of the Chinese Society of Agricultural Engineering
基金
国家"十一五"科技支撑项目"农村电网高可靠性供电及供用电节电技术研究"(2006BAJ04B06)
中央高校基本科研业务费专项课题"基于触电电流分量的剩余电流保护装置动作机理研究"(2009JS101)
河南省电力科学技术基金"配电网漏电保护装置在线监测与智能管理系统的研究与开发"(201001农-2)
关键词
电流
剩余电流保护装置
工作原理
运行特性
误动作
动作死区
electric currents,residual current device,working principle,operation characteristics,malfunction,dead-area