HXD1型交流电力机车高速电磁阀故障原因分析及改进措施  

作　　者：史衍可 

机构地区：[1]中铁十五局集团有限公司朔黄铁路运输处,河北肃宁062350

出　　处：《科技创新与应用》2024年第26期142-145,共4页Technology Innovation and Application

摘　　要：由于制动系统中的高速电磁阀故障,给重载列车的运行安全带来严重安全隐患。该文对HXD1型交流电力机车高速电磁阀故障的原因进行分析,并有针对性地从提高高速电磁阀润滑油脂的性能、高速电磁阀增加过滤网、调整PWM控制周期、新型的截止式高速电磁阀的使用等方面提出改进及应急处置措施,大大减少高速电磁阀故障带来的安全隐患,通过现场验证,效果显著,有效确保万吨、两万吨重载列车的运行安全。The failure of high-speed solenoid valve in braking system brings serious hidden danger to the operation safety of heavy haul train.This paper analyzes the causes of high-speed solenoid valve failure of HXD1 AC electric locomotive;and aiming at improving the performance of high-speed solenoid valve grease,increasing the filter screens for high-speed solenoid valves,adjusting the PWM control cycle,and using a new cut-off high-speed solenoid valve,this paper puts forward improvement measures and emergency measures,greatly reducing the safety risks caused by the failure of high-speed solenoid valve;and the effect of on-site verification proves remarkable,thereby effectively ensures the operation safety of 10000-ton and 20000-ton heavy-haul trains.

关 键 词：HXD1型交流机车 高速电磁阀 卡滞 257YV 258YV PWM板 润滑油脂 

分 类 号：U264[机械工程—车辆工程]