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首页> 外文期刊>Science, Measurement & Technology, IET >Investigation of MI between circular spiral coils with misalignments for EV battery charging
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Investigation of MI between circular spiral coils with misalignments for EV battery charging

机译：电动汽车充电时未对准的圆形螺旋线圈之间的MI的研究

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摘要

Electric vehicles (EVs) are becoming more popular due to ever increasing concern on the environmental effects and rising gasoline prices. However, the disadvantage of EV is their driving range and charging time. This can be overcome by a simple concept as inductive power transfer, which is an emerging EV battery charging technology. In static and dynamic charging of EV, the mutual inductance (MI) plays a key role in effective power transfer. This study proposes a new analysis concept for computation of MI between circular spiral inductive coils without core, with core and chassis. The MI is computed using Neumann's approximated equation for possible misalignments such as perfect, planar and angular misalignments. The computed values of MI for the above-mentioned alignments are verified using finite element modelling analysis and also validated through experimentation. The comparative analysis conveys that the computed values of MIs are accurate and relative error is negligible.
机译：由于对环境影响和汽油价格不断上涨的关注，电动汽车（EV）变得越来越流行。但是，电动汽车的缺点在于它们的行驶距离和充电时间。可以通过一个简单的概念来解决这一问题，即感应功率传输，这是一种新兴的EV电池充电技术。在电动汽车的静态和动态充电中，互感（MI）在有效的功率传输中起关键作用。这项研究提出了一种新的分析概念，用于计算无芯，有芯和底盘的圆形螺旋感应线圈之间的MI。使用诺伊曼近似方程式计算MI，以解决可能的失准，例如完美，平面和角度失准。使用有限元建模分析验证了上述路线的MI的计算值，并通过实验进行了验证。比较分析表明，MIs的计算值准确，相对误差可忽略不计。

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