Experiments on multiple-receiver magnetic resonance-based wireless power transfer in low megahertz with metamaterials

被引：6
|
作者：
Kang, Le [1 ]
Hu, Yuli [1 ]
Zheng, Wei [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Marine Sci & Technol, Xian 710072, Peoples R China
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2016年 / 122卷 / 04期
基金：
中国国家自然科学基金; 新加坡国家研究基金会;
关键词：
SPLIT-RING RESONATORS; DESIGN; EFFICIENCY; SYSTEMS;
D O I：
10.1007/s00339-016-9962-5
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this paper, an efficient magnetic resonance-based wireless power transfer (MRWPT) system with metamaterials is proposed. The negative permeability (MNG) metamaterials for this system with low-megahertz frequency is designed, which can be adjusted to work well at a variable receiving angle ranging from 0 degrees to 45 degrees along z-direction. The S-parameters, resonant frequency and permeability of metamaterials are computed for analysis. The transmission efficiency of the multiple-receiver MRWPT system in free space is compared to that in the presence of metamaterials placed in front of transmission and receive coils. The measured results show that the performance of the proposed metamaterials is perfect in improving the efficiency with incident electromagnetic waves from various directions.
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页数：8
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