SS4改、SS4B型电力机车辅助电路接地故障查找方法  

作　　者：杨彬[1] 

机构地区：[1]朔黄铁路发展有限责任公司,河北沧州062350

出　　处：《科技创新与应用》2018年第29期126-127,共2页Technology Innovation and Application

摘　　要：文章阐述了SS4改、SS4B型电力机车辅助电路的特点及辅接地保护系统的构成,分析总结了辅助电路接地故障类型,尤其对机车运行中发生的一系列辅接地故障进行了重点的分析与讲解,辅接地属于机车故障难点,要在短时间内查找故障是文章阐述的重点,另外还提出了辅助电路接地故障的正确处理方法与建议。This paper describes the characteristics of auxiliary circuit and the composition of auxiliary earthing protection systemfor SS4 and SS4B electric locomotives, and analyzes and summarizes the types of earthing fault of auxiliary circuit. In particular,aseries of auxiliary grounding faults occurred in locomotive operation are analyzed and explained emphatically. Auxiliary grounding belongs to the difficulty of locomotive faults, and finding faults in a short time is the focal point of the paper. In addition, the correcttreatment methods and suggestions for the grounding fault of auxiliary circuit are also put forward.

关 键 词：电力机车 辅助电路 辅接地 

分 类 号：U264.91[机械工程—车辆工程]