农网剩余电流保护装置动作边界研究现状  

Present Research Situation and Improving Measures for the Trip Boundary of Residual Current Operated Protective Device

作　　者：邵利敏[1,2] 杜松怀[1] 苏娟[1] 关海鸥[1] 

机构地区：[1]中国农业大学信息与电气工程学院,北京100083 [2]河北农业大学机电工程学院,河北保定071001

出　　处：《中国农村水利水电》2016年第2期145-148,共4页China Rural Water and Hydropower

基　　金：国家自然科学基金项目(51177165);河北农业大学理工基金项目(LG20140203)

摘　　要：剩余电流保护装置作为农村电网安全运行的保护设施,具有防止人身电击伤亡、降低火灾发生等作用。简要介绍了剩余电流动作保护装置的发展过程、结构和基本工作原理,并分析比较了目前常用剩余电流动作保护装置的优缺点和应用情况。针对现行剩余电流保护装置的动作边界现状,提出了提高剩余电流保护装置可靠性的主要措施,以从根本上解决保护装置拒动、误动等现象的发生。Residual current operated protective device（RCD）is the protective instrument for the safe operation of rural power grid.It is effective in preventing the accident of electric shock and reducing the fire disaster.Firstly,the structure and the working principle of the RCD were simply introduced.The characteristics and the application of the most common types of RCD were analyzed and compared.Then,the current status of RCD trip boundary was emphatically studied.Finally,on the basis of the existed questions,it gives the rationalization proposals and measures to improve the reliability of RCD.Thus,the probability of the refusing operation and nuisance tripping would be reduced enormously.

关 键 词：农网 剩余电流动作保护装置 电击 动作边界 

分 类 号：TM77[电气工程—电力系统及自动化]