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Technical and economic feasibility of increasing tram system efficiency with EV batteries

机译：推动电车系统效率的技术和经济可行性

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摘要

Separate and common overhead catenary systems (OCS) are widely utilised on urban light-rail systems. This paper applies Simulink modelling to investigate differences in energy efficiency between two OCS systems, applied to a typical urban tram system. Results suggest common OCS reduces energy demand by 14%, as availability of regenerative braking increases by 297%. This paper predicts number, capacity and best installation locations for energy storage systems (ESSs) on an example system. Greater energy efficiency is achieved by installing ESS on centre stops between adjacent substations, rather than substation stops. Further, an economic study considers net present value, internal rate of return and payback period for a given ESS capacity; and a sensitivity analysis identifies capital cost and battery life as the most influential parameters to economic viability. Finally, using parked EVs as ESS for a tram system is explored to improve the economics.
机译：单独的和共同的凸起凸形系统（OCS）广泛用于城市光轨系统。本文适用Simulink模型来研究两个OCS系统之间的能效差异，应用于典型的城市电流系统。结果表明共同的OCS将能源需求降低14％，因为再生制动的可用性增加了297％。本文在示例系统上预测了能量存储系统（ESS）的数量，容量和最佳安装位置。通过在相邻变电站之间安装ESS，通过安装ESS，而不是变电站停止来实现更大的能量效率。此外，经济研究考虑了净目前的价值，金额返回和回收期的净值;灵敏度分析将资本成本和电池寿命识别为经济可行性最有影响力的参数。最后，探索了使用停放的EVS作为电线系统的ESS，以改善经济学。

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