具有触桥结构的大功率电磁继电器电寿命分析  

Electrical Lifetime Analysis of High-power Electromagnetic Relay with Double Contact Bridges

作　　者：任万滨[1] 何育斌 郑哲 REN Wanbin;HE Yubin;ZHENG Zhe(School of Electrical Engineering and Automation,Harbin Institute of Technology,Harbin 150001,China)

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

出　　处：《电工材料》2022年第2期3-5,10,共4页Electrical Engineering Materials

基　　金：国家自然科学基金项目(51777039)。

摘　　要：触桥结构具有切换电流大、熄弧能力强等优点,广泛应用于电磁继电器、接触器产品中。针对一种双触桥结构的大功率电磁继电器开展了电寿命实验研究,获取了继电器性能退化的关键参数,从而明确了其失效诱因和影响因素。Contact bridge structure,with the advantage of high switching current capacity and strong arc distinguishing performance,is widely used in electromagnetic relay and contactor products.The electrical endurance experiments of high-power electromagnetic relay with double contact bridges is carried out.The featured parameters which could characterize the degradation process of relay are recorded and analyzed,and then the failure modes and associated influencing factors are presented.

关 键 词：触桥 电磁继电器 电寿命 熔焊 

分 类 号：TM572[电气工程—电器]