交流接触器触头材料电性能模拟试验研究  

Experimental Study of Simulating Electrical Performance of Contact Material Used in AC Contactor

作　　者：任万滨[1] 姜楠 满思达 杜英玮[1] 

机构地区：[1]哈尔滨工业大学电气工程及自动化学院,哈尔滨150001 [2]国网物资有限公司,北京100120

出　　处：《电工材料》2018年第1期3-6,11,共5页Electrical Engineering Materials

摘　　要：触头材料的电性能是决定交流接触器电寿命的关键。应用开发的电性能模拟试验装置,以电寿命试验方式比较了AgSnO_2和AgCdO触头材料的燃弧时间、燃弧能量和接触电阻,进而应用SEM/EDX和光学显微镜观察分析了材料表面和断面的微观烧蚀状态,以及产生的物理机理。Electrical performance of contact material is the crucial factor of electrical lifetime for AC contactor. In this paper, arcing duration, arcing energy and contact resistance of AgSnO2 and AgCdO material are compared with the simulating test rig which developed by us. Furthermore, arc erosion features of contact surface and cross section are analyzed by using SEM/EDX and optical microscope. Finally, the physical mechanism of contact erosion is proposed.

关 键 词：交流接触器 触头材料 电接触 电性能 模拟试验 

分 类 号：TM572.2[电气工程—电器]