中国剩余电流保护技术与装置的发展趋势

Development tendency of residual current protection technology and device in China

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。

Abstract: 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.