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| Development of Overhead Contact Line System JY250 Applied for 250 km/h Speed-raised Railway |
| LI Hong-mei |
| China Railway Siyuan Survey and Design Institute Group Co.，Ltd, Wuhan, Hubei 430063，China |
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Abstract Research purposes: It is necessary to upgrade the existing railway for enhancing the passenger transportation capability of the existing railway. After the sixth-round speed-up , the speed of the double-sets coupled EMUS with double working pantographs is up to 250 km/h，so it needs to do researches on the technology for upgrading overhead contact line for the purpose of making the sixth-round speed-up going smoothly.
Research Conclusions: The tested results of EMUS with double pantograph show both of overhead contact line system JY250 and JY 250C can meet the relative requirements. The design can be optimized in big sense with usage of JY250 System, which can reduce the construction cost, provide the reference to similar works in future and bring large social benefits.
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Received: 18 February 2008
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[2] 戚广枫.新一代超高速接触网SiFCAT350的研发[Z]. 北京:中国铁道学会，2007.
[3] 鄂科鉴字[2005]第21383090号，湖北省科学委员会鉴定 成果《客运专线铁路接触网SiFCAT350的工程技术研 究》[R].
[4] EN50119: 2001, Railway applications Fixed installations E- lectric traction overhead contact lines[ S].
[5] DS800 01,线路设备的设计-设计通则[S].
[6] DS800 02 ,铁路固定设备的设计-新线建设[S].
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2008, Vol. 25 
