Charging Infrastructure for Employer Parking – Real Data Analysis and Charging Algorithms for Future Customer Demands

Dennis Mehlig, Matthias Krumbholz, Max Gerstadt
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Abstract

The mobility industry with its entire ecosystem is currently striving towards sustainable solutions, which leads to a continuous production ramp-up of electrified vehicles. The parallel extension of the charging infrastructure is needed but faced with various challenges like high investments and power limitations of local electrical grid connection. To fulfill the user requirements of electrified vehicle owners, large-scaled but cost-efficient charging systems for different parking scenarios in residential buildings, at work or at the destination are essential. MAHLE chargeBIG offers large-scaled and centralized charging infrastructure with more than 2,000 already installed charging points since 2019. This paper is a first scientific publication with an in-dept evaluation of the large-scaled charging infrastructure usage. Based on backend data of multiple MAHLE chargeBIG charging infrastructure installations with more than 600 charging points, more than 70,000 recorded charging events are analyzed. It proves that a single-phase charging concept offers sufficient charging power and is able to master multiple charging events by fulfilling customer requirements despite an unexpanded electrical grid infrastructure. As simulated in already published studies [1,2], 3-5 kW per vehicle are a sufficient charging power to recharge the daily electricity demand in employer parking areas with less than 15 kWh in average. In combination with smart charging algorithms, the system can avoid charging power limitations caused by the grid connection and allows the integration in smart grid company environments.
雇主停车场充电基础设施 - 面向未来客户需求的真实数据分析和充电算法
目前,汽车行业及其整个生态系统都在努力寻求可持续发展的解决方案,从而不断提高电动汽车的产量。充电基础设施需要平行扩展,但也面临着各种挑战,如高额投资和当地电网连接的功率限制。为了满足电动汽车车主的用户需求,必须为住宅楼、工作场所或目的地的不同停车场景提供大规模但具有成本效益的充电系统。自2019年以来,马勒chargeBIG已安装了2000多个充电点,可提供大规模集中式充电基础设施。本文是第一篇对大规模充电基础设施使用情况进行深入评估的科学论文。基于安装了 600 多个充电点的多个马勒 chargeBIG 充电基础设施的后台数据,分析了 70,000 多条充电事件记录。结果证明,尽管电网基础设施尚未扩建,单相充电概念仍能提供充足的充电功率,并能通过满足客户要求掌握多个充电事件。正如已发表的研究报告[1,2]所模拟的那样,每辆车 3-5 千瓦的充电功率足以满足雇主停车区平均少于 15 千瓦时的日常用电需求。结合智能充电算法,该系统可避免电网连接造成的充电功率限制,并可集成到智能电网公司环境中。
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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