Battery and accelerating-catenary hybrid system for light rail vehicles and trams

Joachim J. Mwambeleko, T. Kulworawanichpong
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引用次数: 11

Abstract

An electric train is currently one of the best solutions to urban passenger mobility challenges. However, diesel powered trains are still common in low capacity lines on which the density of traffic is insufficient to justify the high fixed cost of railway electrification. In such cases, battery driven trams present an alternative that some railway operators have been opting for. Since rail vehicles are heavy, a high capacity, high voltage traction battery will be required to provide accelerating power. To minimize the peak power that a traction battery has to supply and subsequently the required battery size, this paper presents a battery-catenary hybrid tram system in which a tram accelerates from a station under a 200-meter-long catenary and cruises with traction battery. The tram was modelled and simulated in MATLAB. The traction battery peak power was reduced from 300 kW to 100 kW. This means a significant reduction in the required battery size with just a short catenary. Suggested applications of such a system are, on shuttle lines with few stops and in countries or regions where full railway electrification would mean dominance of diesel trains.
轻轨车辆和有轨电车用蓄电池和加速悬链线混合系统
目前,电动列车是应对城市乘客出行挑战的最佳解决方案之一。然而,柴油动力列车在低容量线路上仍然很常见,这些线路的交通密度不足以证明铁路电气化的高固定成本是合理的。在这种情况下,电池驱动的有轨电车是一些铁路运营商选择的另一种选择。由于轨道车辆很重,因此需要高容量、高电压牵引电池来提供加速动力。为了最大限度地减少牵引蓄电池提供的峰值功率和所需的蓄电池尺寸,本文提出了一种蓄电池-悬链线混合有轨电车系统,其中有轨电车在200米长的悬链线下从车站加速并带着牵引蓄电池巡航。在MATLAB中对有轨电车进行了建模和仿真。牵引电池峰值功率由300kw降至100kw。这意味着所需的电池尺寸显著减少,只需一个短链线。这种系统的建议应用是在很少停靠的穿梭线路上,以及在铁路全面电气化意味着柴油列车占主导地位的国家或地区。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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