HXD3型机车辅助电路接地故障的分析与探讨  

Analysis and discussion on grounding fault of auxiliary circuit in HXD3 locomotive

作　　者：张铁志 ZHANG Tiezhi(Rolling Stock and Traction Department,China Railway Harbin Group Co.,Ltd.,Harbin 150060,China)

机构地区：[1]中国铁路哈尔滨局集团有限公司机务部,黑龙江哈尔滨150060

出　　处：《铁道机车与动车》2022年第7期38-41,I0002,共5页Railway Locomotive and Motor Car

摘　　要：对HX3型电力机车运用过程中出现的辅助电路接地跳主断等故障进行分析,研究提高检修质量措施和改进接地保护方式,达到故障及时报警、给乘务员处置时机,从而实现提高机车运用可靠性、减少设备故障对运输秩序干扰的目的。The paper analyzes the faults such as the main breaker of the auxiliary circuit being switched off when grounding during the operation of the HX3 electric locomotive, studies the measures to improve the maintenance quality and the grounding protection method, so as to alarm fault timely and reserve dealing time, improving the reliability of the locomotive and reducing equipment failure interfering with the transportation order.

关 键 词：HXD3型电力机车 辅助电路 接地 分析 

分 类 号：U264.74[机械工程—车辆工程]