用于电动汽车无线充电的13.56 MHz可扩展屏蔽电容功率传输

A. Muharam, Suziana Ahmad, R. Hattori, A. Hapid
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引用次数: 9

摘要

提出了一种适用于小型电动汽车无线充电的可扩展屏蔽电容功率传输(shield - cpt)方法。利用LTSpice™仿真软件介绍了所提出的屏蔽式cpt的设计和分析研究。为了获得阻抗匹配网络的精确计算,使用Infolytica™的ElecNet™软件,使用有限元分析(FEA)工具观察系统中出现的电容。当屏蔽-屏蔽间隙为3 cm时,通过有限元分析得到的耦合电容分别为3.46 pF和10.9 pF。Spice仿真结果表明,所提出的屏蔽cpt的效率高达97%。当误差范围为1 ~ 3 cm时,系统在y轴误差方向上的效率可达85% ~ 74%,在x轴误差方向上的效率可降至48%。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
13.56 MHz Scalable Shielded-Capacitive Power Transfer for Electric Vehicle Wireless Charging
This paper proposes a scalable shielded capacitive power transfer (shielded-CPT) for mini electric vehicle (EV) wireless charging application. The design and analytical studies of the proposed shielded-CPT are introduced by using LTSpice™ simulation software. In order to obtain an accurate calculation of the impedance matching network, the capacitances appeared in the system are observed with finite element analysis (FEA) tools using ElecNet™ software from Infolytica™. With a 3-cm shield-shield gap, 3.46 pF of coupling capacitance and 10.9 pF of shield coupling capacitance are acquired by FEA. A Spice simulation result shows as high as 97% efficiency provided by the proposed shielded-CPT. With misalignment conditions from 1 cm to 3 cm, the system could have managed the efficiency from 85% to 74% in the Y-misalignment direction, and drop to 48% when the coupler is in the X-misalignment direction.
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