气氛对继电器触头性能影响研究综述  

Survey on Influences of Atmosphere on Contact Performance of Relays

作　　者：李晨[1] 李震彪[1] 

机构地区：[1]华中科技大学强电磁工程与新技术国家重点实验室,武汉430074

出　　处：《电工材料》2012年第4期30-34,共5页Electrical Engineering Materials

摘　　要：研究了N2、SF6、H2等气体对接触电阻、触头侵蚀量及燃弧时间的影响,分析了气压变化对触头燃弧时间的影响规律,介绍了部分有机物对触头电寿命的影响。In this paper, the impacts of nitrogen, sulfur hexafluoride, hydrogen and some other gases on contact resistance, contact erosion and arc duration were researched. Besides, the influencing characteristics of variable gas pressure on arc duration were analyzed. The influences of several organics on electrical life of contacts were presented.

关 键 词：气氛 接触电阻 侵蚀 电寿命 

分 类 号：TM201.4[一般工业技术—材料科学与工程] TM58[电气工程—电工理论与新技术]