CRH3型动车组牵引电机接地故障原因分析及解决措施  

Reason analysis and countermeasures of ground fault in traction motor of CRH_(3) EMU

作　　者：张维权 李佳佳 焦春霞 王济阳 ZHANG Weiquan;LI Jiajia;JIAO Chunxia;WANG Jiyang(Rail Transit Motor R&D Department of CRRC Yongji Electric Co.,Ltd.,Xi'an 044502,China;Jieli Subsidiary of CRRC Yongji Electric Co.,Ltd.,Xi'an 044502,China)

机构地区：[1]中车永济电机有限公司轨道交通电机开发部,陕西西安044502 [2]中车永济电机有限公司捷力公司,陕西西安044502

出　　处：《铁道机车与动车》2022年第1期43-46,I0002,共5页Railway Locomotive and Motor Car

摘　　要：牵引电机作为动车组驱动装置的一部分,为动车组提供牵引力及再生制动力。运用过程中若发生接地故障,会影响动车组的安全、可靠和稳定运行,通过对CRH_(3)型动车组牵引电机接地故障的分析,制定有效预防措施,减少此类故障的发生,保证动车组安全运行。The traction motor,as a part of EMU drive device,provides traction and regenerative braking force.If a ground fault occurs during operation,it will impact on the safe,reliable and stable operation of EMU.Through the analysis of the ground fault in traction motor of CRH_(3) EMU,effective preventive measures are formulated to reduce the occurrence of such faults and ensure EMU operation safely.

关 键 词：牵引电机 接地故障 电场强度 浸水试验 浸漆 灌封 

分 类 号：U266.2[机械工程—车辆工程]