弓网电弧起弧和熄弧距离及电弧烧蚀磨损的试验研究  

Experimental Study on Arc Striking and Extinguishing Distance and Electric Arc Erosion Wear of a Pantograph-catenary System

作　　者：周培勇[1] 陈光雄[1] 董丙杰 胡艳[1] 高国强[1] 吴广宁[1] 

机构地区：[1]西南交通大学牵引动力实验室摩擦学研究所,四川成都610031

出　　处：《润滑与密封》2016年第2期37-41,共5页Lubrication Engineering

基　　金：国家自然科学基金项目(U1234202);四川省科技支撑计划项目(2011FZ0052)

摘　　要：利用自行研制的弓网电弧试验系统,研究弓网电弧起弧和熄弧距离。提出一种弓网电弧起弧和熄弧距离在线测量方法,通过试验研究电压、电流对弓网电弧起弧和熄弧距离的影响以及滑板电弧烧蚀磨耗的影响。试验结果显示,弓网离线起弧和熄弧距离随着电压的增大近似呈线性地增大;滑板电弧烧蚀磨损量随着电压和电流的增大而显著增大;电弧烧蚀磨损量与电弧能量密切相关,随着电弧能量增大,滑板磨损量也随之增大。The striking and extinguishing distances of pantograph-catenary arcing were studied experimentally by using an own developed test apparatus of pantograph-catenary arcing.A way for on-line measuring the arc striking and extinguishing distance was suggested.The effects of electric current and voltage on the arc striking and extinguishing distances and the electric arc erosion loss of contact strip were studied through tests.The test results show that, along with the increasing of voltage,the striking and extinguishing distances are increased linearly.The electric arc erosion wear loss of the contact strip is increased notably with the increasing of arc current and voltage. The electric arc erosion wear loss of the contact strip is closely related with the arc energy, along with the increasing of arc energy, the wear loss of contact strip is increased as well.

关 键 词：弓网系统 起弧 熄弧 电弧烧蚀 

分 类 号：U225.3[交通运输工程—道路与铁道工程] TH117.1[机械工程—机械设计及理论]