无线电能传输系统线圈偏移研究综述：分析, 效率提升与定位

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摘要线圈偏移在实际无线电能传输系统中经常出现,而偏移可能造成系统传输效率下降和系统不稳定。本文从理论计算线圈互感和传输效率以及仿真的角度对存在线圈偏移的无线电能传输系统进行分析。据此,本文介绍了现有的效率提升方法。线圈设计和阻抗网络设计已证明能有效地提升系统对线圈偏移的忍受度。本文还介绍了线圈定位技术,线圈定位可以使电动汽车更加方便地停靠进行无线充电。

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	严茂水
	廖承林
	陶成轩
	王丽芳

关键词 ：无线电能传输, 线圈偏移, 分析, 效率, 定位

Abstract：Coil misalignment often takes place in practical wireless power transfer (WPT) systems, which may cause decrease of transfer efficiency and system instability. This paper analyzes coil-misaligned WPT system with theoretical calculation of mutual inductance and transfer efficiency and simulation. Existing ways to improve system efficiency are hereby discussed. To overcome problems from misalignment, efforts on coil design and impedance network design have demonstrated their feasibility on raising system tolerance with coil misalignment. Current solutions for positioning of WPT coils which could facilitate the parking of Electric Vehicles (EVs) for wireless charging are also presented.

Key words： Wireless power transfer coil misalignment analysis efficiency positioning

收稿日期: 2013-05-23 出版日期: 2014-05-22

PACS:

TM72

引用本文:

严茂水, 廖承林, 陶成轩, 王丽芳. 无线电能传输系统线圈偏移研究综述：分析, 效率提升与定位[J]. 电工技术学报, 2013, 28(2增): 1-6. Yan Maoshui, Liao Chenglin, Tao Chengxuan, Wang Lifang. A Review on Wireless Power Transfer Coil Misalignment: Analysis, Efficiency Improvement and Positioning. Transactions of China Electrotechnical Society, 2013, 28(2增): 1-6.

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http://dgjsxb.ces-transaction.com/CN/Y2013/V28/I2增/1

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