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Catenary-Free Tramway Systems: Functional and Cost–Benefit Analysis for a Metropolitan Area

机译：无接触网的有轨电车系统：大都市区的功能和成本效益分析

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New tramway technologies such as “ground-level power supply systems” fit with the purpose of preserving historical heritage and urban environments of city centers. Such public transportation systems do not require a traditional air supply system (+?750?V) and are therefore referred to as “catenary-free systems” (i.e., APS system, tramwave system, Primove system). Their implementation is becoming increasingly widespread, especially for cities with prestigious historical heritage, where high levels of environmental sustainability, capacity, reliability and safety standards are required. The study compares some of the most well-known and novel catenary-free systems for the creation of a 68-km tramway system, to be implemented in a metropolitan city. For each of the 7 new tramways, AIMSUN microsimulations were run to identify the most appropriate tramway track geometry and road section to minimize the interference with the vehicle activity. Moreover, for each system a financial and economic performance analysis has been carried out for an investment of about 869 million euros, while taking into account different scenarios of transportation demand. In addition, a cost–benefit analysis of the tramway lines investment project has been presented, including the calculation of the financial net present value, the economic net present value, rate of return of the investment and cost–benefit ratio. The analysis demonstrates that the APS ground-level power supply system is a proven alternative with greater economic and financial performance.
机译：诸如“地面电源系统”之类的新电车技术符合保存历史遗产和市中心城市环境的目的。这样的公共交通系统不需要传统的空气供应系统（+ 750V），因此被称为“无类别系统”（即，APS系统，电波系统，Primove系统）。它们的实施变得越来越普遍，尤其是对于具有悠久历史遗产的城市，这些城市需要高水平的环境可持续性，容量，可靠性和安全标准。该研究比较了一些最著名和最新颖的无接触网系统，这些系统可创建68公里的有轨电车系统，并将在大城市中实施。对于7个新的电车轨道，AIMSUN进行了微仿真，以确定最合适的电车轨道的几何形状和路段，以最大程度地减少对车辆活动的干扰。此外，在考虑到不同运输需求的情况下，对每个系统进行了约8.69亿欧元投资的财务和经济绩效分析。此外，还对缆车线路投资项目进行了成本效益分析，包括计算财务净现值，经济净现值，投资回报率和成本效益比。分析表明，APS地面电源系统是一种行之有效的替代方案，具有更高的经济和金融绩效。

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