Using artificial magnetic conductors to improve the efficiency of wireless power transfer

Using artificial magnetic conductors to improve the efficiency of wireless power transfer

In this study, an advanced wireless power transfer (WPT) system of two coils with the artificial magnetic conductors (AMC) is explored through simulations and experiments. The AMC structure is added on the transmitter coil, and the multiple resonant modes on the surface of the AMC can be energized....

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Main Authors: Taixia Shi, Lijuan Dong, Yongqiang Chen, Yong Sun, Yanhong Liu, Fusheng Deng, Lixiang Liu, Yunlong Shi, Yanyan Shen
Format: Article
Language:English
Published: AIP Publishing LLC 2019-04-01
Series:AIP Advances
Online Access:http://dx.doi.org/10.1063/1.5092143
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spelling doaj-a9d3bc5be95f4f4ebeff4fab903816642020-11-24T23:54:41ZengAIP Publishing LLCAIP Advances2158-32262019-04-0194045308045308-710.1063/1.5092143020904ADVUsing artificial magnetic conductors to improve the efficiency of wireless power transferTaixia Shi0Lijuan Dong1Yongqiang Chen2Yong Sun3Yanhong Liu4Fusheng Deng5Lixiang Liu6Yunlong Shi7Yanyan Shen8School of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaSchool of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaJiangsu Key Laboratory of Micro and Nano Heat Fluid Flow Technology and Energy Application, School of Mathematics and Physics, Suzhou University of Science and Technology, Suzhou, Jiangsu 215009, ChinaKey Laboratory of Advanced Micro-structured Materials, MOE, School of Physics Science and Engineering, Tongji University, Shanghai 200092, ChinaSchool of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaShanxi Provincial Key Laboratory of Microstructure Electromagnetic Functional Materials, Shanxi Datong University, Datong 037009, ChinaSchool of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaShanxi Provincial Key Laboratory of Microstructure Electromagnetic Functional Materials, Shanxi Datong University, Datong 037009, ChinaSchool of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, ChinaIn this study, an advanced wireless power transfer (WPT) system of two coils with the artificial magnetic conductors (AMC) is explored through simulations and experiments. The AMC structure is added on the transmitter coil, and the multiple resonant modes on the surface of the AMC can be energized. On the other hand, the AMC structure act as a magnetic field shield, which leads to the magnetic field above AMC structure is localized. Therefore, the localized resonant magnetic field enhance the transmission coefficient of the WPT system. The results show that the WPT transmission coefficient is increased from 16% to 35% in the experiment at 26.2 MHz resonant frequency when transmission distance is 3 cm. The experimental results agree with the simulation results. Additionally, AMC has the advantages of low-cost and can easily be installed on the WPT system.http://dx.doi.org/10.1063/1.5092143
collection DOAJ
language English
format Article
sources DOAJ
author Taixia Shi
Lijuan Dong
Yongqiang Chen
Yong Sun
Yanhong Liu
Fusheng Deng
Lixiang Liu
Yunlong Shi
Yanyan Shen
spellingShingle Taixia Shi
Lijuan Dong
Yongqiang Chen
Yong Sun
Yanhong Liu
Fusheng Deng
Lixiang Liu
Yunlong Shi
Yanyan Shen
Using artificial magnetic conductors to improve the efficiency of wireless power transfer
AIP Advances
author_facet Taixia Shi
Lijuan Dong
Yongqiang Chen
Yong Sun
Yanhong Liu
Fusheng Deng
Lixiang Liu
Yunlong Shi
Yanyan Shen
author_sort Taixia Shi
title Using artificial magnetic conductors to improve the efficiency of wireless power transfer
title_short Using artificial magnetic conductors to improve the efficiency of wireless power transfer
title_full Using artificial magnetic conductors to improve the efficiency of wireless power transfer
title_fullStr Using artificial magnetic conductors to improve the efficiency of wireless power transfer
title_full_unstemmed Using artificial magnetic conductors to improve the efficiency of wireless power transfer
title_sort using artificial magnetic conductors to improve the efficiency of wireless power transfer
publisher AIP Publishing LLC
series AIP Advances
issn 2158-3226
publishDate 2019-04-01
description In this study, an advanced wireless power transfer (WPT) system of two coils with the artificial magnetic conductors (AMC) is explored through simulations and experiments. The AMC structure is added on the transmitter coil, and the multiple resonant modes on the surface of the AMC can be energized. On the other hand, the AMC structure act as a magnetic field shield, which leads to the magnetic field above AMC structure is localized. Therefore, the localized resonant magnetic field enhance the transmission coefficient of the WPT system. The results show that the WPT transmission coefficient is increased from 16% to 35% in the experiment at 26.2 MHz resonant frequency when transmission distance is 3 cm. The experimental results agree with the simulation results. Additionally, AMC has the advantages of low-cost and can easily be installed on the WPT system.
url http://dx.doi.org/10.1063/1.5092143
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