Cableless battery charger using induction technique for electric vehicles

N. Mahmood, M. Alias, M. Mustapha, Mona Riza Mohd Esa, F. Taha
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引用次数: 0

Abstract

Electromagnetic induction is the production of an electromotive force in a conductor as a result of a changing magnetic field about the conductor. The induced emf always such that it opposes the change that gives rise to it, according to Lenz's law. In our work, we are considering in controlling the magnetic flux distribution through an air-gap during the energy transfer from the source to load. This research has put a core situation in investigating the possible ways of charging the batteries via mutual induction as in transformers. This enables the charging process to be cableless. It involves two coils transferring energy from one to the other through air in the most efficient way. Our work is presented in this paper. Simulation and hardware implementation has been carried out successfully. We have measured the magnetic flux density for ac input voltage of 100 Volt with different frequency values. The optimum frequency in our design is 25 Hz. We found that it is possible to control the magnetic flux distribution during energy transmission by optimizing the frequency and shielding the flux path.
采用感应技术的电动汽车无绳充电器
电磁感应是由于导体周围的磁场变化而在导体中产生的电动势。根据伦茨定律,感应电动势总是与引起它的变化相反。在我们的工作中,我们考虑在能量从源到负载传递过程中通过气隙控制磁通分布。本研究为探讨互感充电技术在变压器中的应用提供了一个新的思路。这使得充电过程是无线的。它包括两个线圈通过空气以最有效的方式将能量从一个传递到另一个。本文介绍了我们的工作。仿真和硬件实现均取得了成功。我们测量了交流输入电压为100伏时不同频率值的磁通密度。我们设计的最佳频率是25赫兹。研究发现,通过优化频率和屏蔽磁通路径来控制能量传输过程中的磁通分布是可能的。
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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