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Feasibility of Direct Current street lighting integrated electric vehicle charging points

机译：直流路灯和电动汽车集成充电点的可行性

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The application of Low Voltage Direct Current (LVDC) distribution systems have the potential to offer several advantages over the incumbent AC networks. LVDC systems are technically and economically viable in niche applications such as data centres and marine power systems, however they also have the potential to offer improvements in the power transfer capability of existing distribution cable assets, with the added advantage of enhanced controllability and reduced losses [1]. The application of LVDC in this field is still in a nascent stage of development and it is far from a business as usual solution for the Distribution Network Operators (DNOs). There is a lack of experience with installation, the commercial arrangements are not in place, and the standards necessary to configure, operate, and protect such new systems have yet to emerge. Proponents of DC distribution have previously conceptualised the integration of EV charging into future DC street lighting networks [2] and prototype AC charging units that conveniently attach to lighting columns are currently being tested [3],[4]. However, no literature examines the technical implementation of multiple EV charging units onto lighting networks with respect to existing cable specifications, protection and voltage drop standards. This paper demonstrates the viability of such systems and the performance advantages that DC distribution offers compared to AC in this integrated application.
机译：与现有的交流网络相比，低压直流（LVDC）配电系统的应用具有提供多个优势的潜力。 LVDC系统在诸如数据中心和船舶动力系统等利基应用中在技术上和经济上都是可行的，但是它们还具有改善现有配电电缆资产的功率传输能力的潜力，并具有增强的可控性和减少的损耗等优点[ 1]。 LVDC在该领域的应用仍处于发展的初期阶段，与配电网络运营商（DNO）的常规解决方案相去甚远。缺乏安装经验，没有商业安排，配置，操作和保护这种新系统所需的标准尚未出现。直流配电的支持者以前已经在概念上将电动汽车充电集成到未来的直流街道照明网络中[2]，目前正在测试可方便地连接到照明柱的原型交流充电单元[3]，[4]。但是，没有文献针对现有的电缆规格，保护和电压降标准来研究将多个EV充电单元应用于照明网络的技术实施方式。本文演示了这种系统的可行性以及在此集成应用中直流配电与交流配电相比所提供的性能优势。

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