Design of Inductive Resonance Coupling-based Wireless Charging Infrastructure for Electric Vehicles

A. Loganathan, Karthikeyan Subramanian
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Abstract

Electric vehicles are an alternative to the ICE Engine vehicles to reduce air pollution. Despite this, one of the major impediments to the rapid adoption of EVs is the lack of efficient charging infrastructure on par with contemporary ICE engine refueling stations. Plug-in electric vehicles (PEVs) are the future of environmentally friendly transportation. Due to the increase in PEVs, however, there are drawbacks associated with cost and size, as well as charging cables. To address these challenges, an inductive resonance coupling-based wireless charging system has been proposed in this work. This article focuses on analyzing the electromagnetically coupled resonant wireless technique used for the charging of EVs. In this article, the efficiency of a resonant wireless charging system for EVs is studied by modeling, simulating and examining parameters such as distance, load, coil shape, and inter-turn distance influence the charging process. Charging efficiency can be significantly improved by choosing the right coil dimensions, inter-turn distance, and distance between coils. It is concluded that the efficiency of wireless power transfer increases with a decrease in distance and the same can be increased by increasing the size of the coil and there is also a limitation for the size of the coil after certain turns as the efficiency saturates. In this work, static charging mode is incorporated to eliminate the shock hazard due to wires and the ability to be installed in convenient locations such as home garages or parking lots. It also eliminates the need to constantly plug the charger into the vehicle, as once the vehicle is parked in the parking lot, the charging will automatically begin based on the state of the batteries. Thus, the wireless charging of EVs will promote the quick adoption of EVs and a pollution-free environment.
基于感应共振耦合的电动汽车无线充电基础设施设计
电动汽车是内燃机汽车的替代品,可以减少空气污染。尽管如此,电动汽车快速普及的主要障碍之一是缺乏与当代内燃机发动机加气站相媲美的高效充电基础设施。插电式电动汽车(pev)是未来的环保交通工具。然而,由于pev的增加,存在与成本和尺寸以及充电电缆相关的缺点。为了解决这些挑战,本研究提出了一种基于感应共振耦合的无线充电系统。本文重点分析了用于电动汽车充电的电磁耦合谐振无线技术。本文通过对电动汽车谐振式无线充电系统的建模、仿真和测试,研究了距离、负载、线圈形状、匝间距离等参数对充电过程的影响。通过选择合适的线圈尺寸、匝间距离和线圈之间的距离,可以显著提高充电效率。结果表明,无线电力传输效率随距离的减小而增大,增大线圈的尺寸可以提高无线电力传输效率,并且在一定匝数后,随着效率的饱和,线圈的尺寸也有限制。在这项工作中,采用了静电充电模式,消除了由于电线引起的电击危险,并且可以安装在家庭车库或停车场等方便的位置。它还消除了不断将充电器插入车辆的需要,因为一旦车辆停在停车场,就会根据电池的状态自动开始充电。因此,电动汽车的无线充电将促进电动汽车的快速普及和无污染环境。
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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