弓网系统滑动电接触区域温度场仿真
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摘要
弓网系统滑动电接触区域的高温会使摩擦副材料的磨损加剧并影响系统的受流质量,严重时甚至发生接触线断线事故。针对弓网系统受流摩擦下接触区域温度,研究弓网系统的温度场,进一步发现影响温度变化的因素。利用COMSOL仿真软件对弓网系统进行仿真,建立三维立体有限元模型,通过实验测得的数据验证了仿真模型的准确性,得出电流、压力、速度和滑板材料对接触区域的温度影响,接触区域温度随电流与速度的增加而升高,随压力的增大呈现U型变化,为弓网系统温度分析提供理论支持。
The high temperature in sliding contact zone of a pantograph catenary system will cause wear of the friction pair,decrease the current-accepting quality of the system,or even induce break accident of the contact line. In this paper,the temperature field of the pantograph catenary system's sliding contact area is analyzed,and the factors influencing the temperature field are investigated. The simulation software COMSOL is adopted to simulate the pantograph catenary system,a three-dimensional finite element model is established,and the experimentally measured data are used to verify the accuracy of the proposed simulation model. Subsequently,the effects of current,pressure,speed,and slide plate material on the temperature of the contact zone are obtained. The temperature in the contact zone increases with the increase in current and speed,and the temperature presents a U-shape change with the increase in pressure.
The high temperature in sliding contact zone of a pantograph catenary system will cause wear of the friction pair,decrease the current-accepting quality of the system,or even induce break accident of the contact line. In this paper,the temperature field of the pantograph catenary system's sliding contact area is analyzed,and the factors influencing the temperature field are investigated. The simulation software COMSOL is adopted to simulate the pantograph catenary system,a three-dimensional finite element model is established,and the experimentally measured data are used to verify the accuracy of the proposed simulation model. Subsequently,the effects of current,pressure,speed,and slide plate material on the temperature of the contact zone are obtained. The temperature in the contact zone increases with the increase in current and speed,and the temperature presents a U-shape change with the increase in pressure.
引文
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[20]吴积钦,钱清泉.弓网系统电弧侵蚀接触线时的特分析[J].铁道学报,2008,30(3):31-34.WU Jiqin,QIAN Qingquan.Thermal analysisof arc erosion of contact wire of the pantograph catenary system[J].China Railway Society,2008,30(3):31-34.
[21]唐兴伦,范群波,张朝晖,等.Ansys工程应用教程-热与电磁学篇[M].北京:中国铁道出版社,2003:9-77.TANG Xinglun,FAN Qunbo,ZHANG Chaohui,et al.Ansys engineering application tutorial-heat and electromagnetism article[M].Beijing:China Railway Publishing House,2003:9-77.
[22]陶文铨.传热学[M].陕西:西北工业大学出版社,2006:42-51.TAO Wenquan.Heat transfer[M].Shaanxi:Northwestern University Press,2006:42-51.
[23]郭凤仪,陈忠华.电接触理论及其应用技术[M].北京:中国电力出版社,2008.GUO Fengyi,CHEN Zhonghua.Electrical contact theory and its application technology[M].Beijing:China Electric Power Press,2008.
[2]ROWE K G,BENNETT A I,KRICK B A,et al.In situ thermal measurements of sliding contacts[J].Tribology International,2013(62):208-214.
[3]KONCHITS V V,KIM C K.Electric current passage and interface heating[J].Wear,1999,232(1):31-40.
[4]PLESCA A.Thermal analysis of sliding electrical contacts with mechanical friction in steady state conditions[J].Int.J Therm Sci.,2014(84):125-133.
[5]ARGIBAY N,SAWYER W G.Low wear metal sliding electrical contacts at high current density[J].Wear,2012(274):229-237.
[6]王英,刘志刚,母秀清,等.高速铁路离线电弧作用下的弓线温度场研究[J].计算机仿真,2015,32(7):154-159.WANG Ying,LIU Zhigang,MU Xiuqing,et al.Under the high-speed railway line bow offline arc temperature field of study[J].Computer Simulation,2015,32(7):154-159.
[7]马云双,高国强,朱光亚.高速列车弓网电弧温度场特性仿真研究[J].高电压技术,2015,41(11):3597-3603.MA Yunshuang,GAO Guoqiang,ZHU Guangya.Study high-speed train network bow arc temperature field characteristics simulation[J].High Voltage Engineering,2015,41(11):3597-3603.
[8]夏天久,高保,邵岩.电气化铁路弓网系统电弧磨损研究[J].电气化铁道,2015(5):5-9.XIA Tianjiu,GAO Bao,SHAO Yan.Electrified railway network systems arc bow wear[J].Electrified railway,2015(5):5-9.
[9]古晓东,张慧洁,陈唐龙,等.基于Ansys的接触线烧伤热分析[J].接触网,2010(4):13-16.GU Xiaodong,ZHANG Huijie,CHEN Tanglong,et al.Burn thermal analysis based on the contact line on Ansys[J].Catenary,2010(4):13-16.
[10]王微.高速滑动电接触表面瞬态高温测量与分析研究[D].秦皇岛:燕山大学,2014.WANG Wei.High-speed sliding electrical contact surface transient temperature measurement and analysis of[D].Qinghuangdao:Yanshan University,2014.
[11]LICHUAN H,ZHONGHUA C.Research of temperature rise on the contact surface in the sliding electric contact[C]//Proceeding of the 26th International Conference on Electrical Contacts(ICEC 2012),Beijing:[s.n.],2012:82-85.
[12]张婧琳.Cu/QCr0.5载流条件下摩擦磨损性能的研究[D].洛阳:河南科技大学,2010.ZHANG Jinglin.Research on the wear and friction properties of Cu/QCr0.5 couples under electrical current[D].Luoyang:Henan University of Science and Technology,2010.
[13]董霖.载流摩擦磨损机理研究[D].成都:西南交通大学,2008.DONG Lin.The wear mechanism carrier research[D]Chengdu:Southwest Jiaotong University,2008.
[14]卜俊.温度对弓网系统载流磨损的影响[D].成都:西南交通大学,2010.BU Jun.Effect of temperature on current-carrying wear of pantograph-catenary system[D].Chengdu:Southwest Jiaotong University,2010.
[15]胡艳,董丙杰,黄海,等.碳滑板电滑动温升及其对滑板磨损影响的试验研究[J].摩擦学学报,2015,35(6):677-683.HU Yan,DONG Bingjie,HUANG Hai,et al.Experimental study on the temperature rise of a carbon strip and its influence on the wear performances of the carbon strip[J].Tribology,2015,35(6):677-683.
[16]王万岗,吴广宁.弓网系统接触电阻特性[J].中南大学学报,2012,43(10):3857-3864.WANG Wangang,WU Guangning.Pantograph system contact resistance characteristic[J].Central South University,2012,43(10):3857-3864.
[17]张玉燕,李海龙,王振春,等.大载流高速滑动电接触表面瞬态温度分析[J].中国科学,2015,45(8):834-842.ZHANG Yuyan,LI Hailong,WANG Zhenchun,et al.Transient temperature analysis on the surface of high speed sliding electrical contact[J].China Science,2015,45(8):834-842.
[18]王万岗,梁明亮,吴广宁,等.弓网系统静态接触电阻特性研究[J].高压电器,2012,48(1):30-34.WANG Wangang,LIANG Mingliang,WU Guangning,et al.Characteristics of static contact resistance between pan-tograph and catenary[J].High Voltage Apparatus,2012,48(1):30-34.
[19]吴积钦.弓网系统电弧的产生及其影响[J].电气化铁道,2008,30(2):27-29.WU Jiqin.The Influence pantograph system arc[J].Electrified Railway,2008,30(2):27-29.
[20]吴积钦,钱清泉.弓网系统电弧侵蚀接触线时的特分析[J].铁道学报,2008,30(3):31-34.WU Jiqin,QIAN Qingquan.Thermal analysisof arc erosion of contact wire of the pantograph catenary system[J].China Railway Society,2008,30(3):31-34.
[21]唐兴伦,范群波,张朝晖,等.Ansys工程应用教程-热与电磁学篇[M].北京:中国铁道出版社,2003:9-77.TANG Xinglun,FAN Qunbo,ZHANG Chaohui,et al.Ansys engineering application tutorial-heat and electromagnetism article[M].Beijing:China Railway Publishing House,2003:9-77.
[22]陶文铨.传热学[M].陕西:西北工业大学出版社,2006:42-51.TAO Wenquan.Heat transfer[M].Shaanxi:Northwestern University Press,2006:42-51.
[23]郭凤仪,陈忠华.电接触理论及其应用技术[M].北京:中国电力出版社,2008.GUO Fengyi,CHEN Zhonghua.Electrical contact theory and its application technology[M].Beijing:China Electric Power Press,2008.