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既有线技术改造是实现我国铁路现代化的重要组成部分,其主要目的是提高既有铁路的运输能力,满足运输要求,扭转铁路运输的被动局面。电力机车具有拉得多,跑的快的优点,从宝成、石太丰沙大等线的运营实践,可以明显地说明,采用电力牵引确实提高了铁路的通过能力和输送能力。宝凤段输送能力提高了380%,石阳段提高了283.3%,丰沙大提高了69.1%。同时统一了牵引定数,减少了改编作业和车辆停留时间。在同样运量急剧增长下,缓和了枢纽能力。因此,实现电力牵引是改变近期我国铁路运输紧张状况既经济又有效
The technical renovation of existing lines is an important part of the modernization of China’s railways. Its main purpose is to improve the transportation capacity of existing railways, meet the transportation requirements and reverse the passive situation of railway transportation. Electric locomotives have the advantages of being much faster and running faster. The operational practices of Baosheng and Shitafu Sands can clearly show that the adoption of electric traction indeed improves the capacity of passing and transporting of the railway. Baofeng section delivery capacity increased by 380%, Shiyang section increased by 283.3%, Fengsha big increase of 69.1%. At the same time unified traction number, reducing the adaptation homework and vehicle retention time. In the same rapid growth in traffic, ease the hub capacity. Therefore, to achieve the electric traction is to change the recent situation of rail transport in China is both economical and effective