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首页> 外文会议>ASME/IEEE/ASCE joint rail conference 2008 : Mechanical and civil engineering papers ; Electrical engineering papers >DUAL MODE LOCOMOTIVES SYSTEMS STUDY OF NEW FREIGHT LOCOMOTIVES FOR SWEDEN
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DUAL MODE LOCOMOTIVES SYSTEMS STUDY OF NEW FREIGHT LOCOMOTIVES FOR SWEDEN

机译：瑞典新型货运机车的双模机车系统研究

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A conceptual study for a Swedish dual-mode locomotive is presented. The primary energy sources are AC electricity from an overhead catenary system or a diesel-electric generator system. The study focuses on analysing how freight operations and locomotive utilisation can be improved and how it can affect environmental aspects of freight operations. Based on project experiences and operative demands, a system proposal has been presented.rnThe rated power output is considerably higher in electric mode compared to diesel mode. The reason for this being higher power demand on electrified main lines compared to branch lines and yards lacking overhead catenary where the power need is lower. The starting tractive effort will however be the same regardless of electric mode or diesel mode, making it possible to haul the same train weight in both propulsion modes.rnThe study has shown that dual-mode locomotives for Swedish freight operations are most interesting in order to improve operations, degree of utilisation and environmental performance.
机译：提出了瑞典双模机车的概念研究。主要能源是来自架空接触网系统或柴油发电机系统的交流电。该研究的重点是分析如何改善货运运营和机车利用率，以及如何影响货运运营的环境方面。根据项目经验和运营需求，提出了系统建议。rn-与柴油模式相比，电动模式下的额定功率输出要高得多。原因是电气主干线的电力需求较高，而支线和院子的电力需求较低，而缺乏架空接触网。然而，不管是电动模式还是柴油模式，起步牵引力都相同，从而可以在两种推进模式下牵引相同的列车重量。研究表明，对于瑞典货运而言，双模机车最为有趣。改善运营，利用率和环境绩效。

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