某型直流接触器触头固定螺钉断裂故障分析  

Analysis on fracture failure of the fixed screw for contact of a DC contactor

作　　者：吕永鑫 梅鹏 Lyu Yongxin;Mei Peng(Wuhan Metro Operation Co.,Ltd,Wuhan 430000,Hubei,China)

机构地区：[1]武汉地铁运营有限公司,武汉430000

出　　处：《船电技术》2023年第4期72-76,共5页Marine Electric & Electronic Engineering

摘　　要：针对某型直流接触器触头固定螺钉断裂、触头松脱故障,从触头的安装结构、电流的流向等方面进行分析,根据故障分析结果,对故障进行了模拟验证。Aiming at the fault of contact fixing screw breakage and contact loosening of a certain type of DC contactor,the installation structure and current flow direction of the contact are analyzed.According to the fault analysis results,the fault is simulated and verified.

关 键 词：轨道交通 直流接触器 故障模拟 原因分析 

分 类 号：TM464[电气工程—电器]