A Hybrid Solenoid Coupler for Wireless Charging Applications
A Hybrid Solenoid Coupler for Wireless Charging Applications
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DOI：
10.1109/tpel.2018.2867430
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发表时间：
2019-06-01
影响因子：
6.7
通讯作者：
Boys, John T.
中科院分区：
文献类型：
--
作者：
Tejeda, Abiezer;Kim, Seho;Boys, John T.
本文介绍了一种用于无线充电应用的主焊盘，该主焊盘能够在大的气隙上传输高功率，并且能够承受适用于电动汽车充电应用的横向位移。开发的垫是一种改进的螺线管，专门设计用于解决磁通泄漏和损失等问题，同时保持良好的耦合。它是一种混合结构，由矩形或方形线圈和中央螺线管的组合组成，所有线圈串联连接。通电时，它会产生一个单面，极化通量类似于电磁线圈和双D（DDP）垫的通量模式。通过有限元分析模拟的功率传输能力的垫进行了研究。首先将结果与一个类似大小的螺线管进行比较，然后将结果与DDP主焊盘进行比较，并通过实验室中原型系统的测量进行验证。本文的目的是提供一种改进的混合螺线管垫显示更高的耦合因子和更低的杂散场发射的性能（耦合和杂散场发射）类似的DDP。
This paper introduces a primary pad for wireless charging applications, which is able to transfer high power over large air gaps and is tolerant to lateral displacements suitable for electric vehicle charging applications. The developed pad is an improved solenoid designed specifically to address issues such as flux leakage and loss while retaining good coupling. It is a hybrid structure that consists of a combination of rectangular- or square-shaped coils and a central solenoid, all connected in series. When energized, it produces a single-sided, polarized flux similar to the flux pattern of the solenoid and double D (DDP) pads. The power transfer capability of this pad is investigated through finite-element analysis simulations. The results are compared first to a similar sized solenoid from which it was derived, and also a DDP primary pad and are verified through measurements on prototype systems in the laboratory. The aim of this paper is to provide an improved hybrid solenoid pad showing higher coupling factors and lower stray field emissions with a performance (coupling and stray field emissions) similar to that of DDPs.