A Novel Method for Omnidirectional Wireless Power Transmission

被引：0
|
作者：
Che, Bang-Jun [1 ]
Meng, Fan-Yi [1 ,2 ]
Lv, Yue-Long [1 ]
Wu, Qun [1 ]
机构：
[1] Harbin Inst Technol, Dept Microwave Engn, Harbin 150001, Peoples R China
[2] State Key Lab Millimeter Waves, Nanjing 210096, Jiangsu, Peoples R China
来源：
PROCEEDINGS OF 2014 3RD ASIA-PACIFIC CONFERENCE ON ANTENNAS AND PROPAGATION (APCAP 2014) | 2014年
关键词：
omnidirectional; wireless power transfer; rotating magnetic field; metamaterial;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, a novel method for omnidirectional wireless power transmission (OWPT) via magnetic resonant coupling is proposed. In the proposed OWPT, a pair of cross coil consists of two orthogonal loops with 90 degrees feeding phase difference serve as the wireless power transmitter. Through both theoretical analyses and numerical simulations, it is shown that, rotating magnetic field is generated and wireless power is achieved on receiver moving around the transmitter. Then a cylindrical metamaterial slab with negative permeability is designed to improve the efficiency of the OWPT system, for the unique property of enhancing evanescent wave of metamaterials. The simulation results show that the efficiency of the OWPT can be significantly improved by the metamaterial slab.
引用
收藏
页码：839 / 841
页数：3
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