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Off-grid solar charging of electric vehicles at long-term parking locations

机译：长期停车位置电动汽车的离网太阳能充电

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摘要

This work analyses the effectiveness of an off-grid solar photovoltaic system for the charging of electric vehicles (EVs) in a long-term parking lot. The effectiveness of charging is investigated through analysis of the states of charge (SoC) at departure of EVs plugged in at the parking lot over the simulated year. Although the share of vehicles leaving with inadequate charge over the entire year is small, this share is relatively high during low irradiance winter months. We show that an increase in efficiency of the solar modules used in the system and an increase in the minimum duration of time spent at the parking lot are effective within limits at improving charging adequacy. We then formulate three strategies to allocate the available energy in the system with the objective of reducing the number of vehicles leaving at lower SoCs: 1) curtailment of charging beyond 80% state of charge, 2) prioritised charging of vehicles at low SoCs and 3) prioritised charging based on both SoC and time before departure. We identify the strategy prioritising vehicles with low state of charge to be most effective, but performance in the worst month remains a challenge for the location considered.(c) 2021 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
机译：这项工作分析了越电网太阳能光伏系统在长期停车场中电动车辆（EVS）充电的有效性。通过分析在模拟年度在停车场插入停车场的EVS脱落时的收费状态（SOC）的分析来研究充电的有效性。虽然一年内的额度不足的车辆占用的份额很小，但在低辐照冬季，这一份额相对较高。我们表明系统中使用的太阳能模块的效率提高以及在停车场所花费的最小时间持续时间的增加在提高充电充足性时有效。然后，我们制定三种策略来分配系统中的可用能量，目的是减少在较低SOC的车辆数量：1）削减收费超过80％的充电状态，2）在低SOC和3时的车辆充电优先收费。 ）基于SOC和出发前的时间的优先收费。我们确定具有低充电状态最有效的车辆的优先策略，但最糟糕的月份的性能仍然是所考虑的位置的挑战。（c）2021提交人。由elsevier有限公司发布这是CC下的开放式访问文章（http://creativecommomons.org/licenses/by/4.0/）。

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  • 来源
    《Energy》 |2021年第15期|120356.1-120356.14|共14页
  • 作者

    Ghotge Rishabh; van Wijk Ad; Lukszo Zofia;

  • 作者单位

    Delft Univ Technol Fac Mech Maritime & Mat Engn Mekelweg 2 NL-2628 CD Delft Netherlands;

    Delft Univ Technol Fac Mech Maritime & Mat Engn Mekelweg 2 NL-2628 CD Delft Netherlands;

    Delft Univ Technol Fac Technol Policy & Management Jaffalaan 5 NL-2628 BX Delft Netherlands;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Solar; Electric vehicle; Charging; Off-grid;

    机译：太阳能;电动车;充电;离网;

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