Antenna Characterization for Wireless Power-Transmission System Using Near-Field Coupling

被引：60

作者：

Chen, Qiang ^{[1
]}

Ozawa, Kazuhiro ^{[1
]}

Yuan, Qiaowei ^{[2
]}

Sawaya, Kunio ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Elect & Commun Engn, Aoba Ku, Sendai, Miyagi 9808579, Japan

[2] Sendai Natl Coll Technol, Sendai, Miyagi, Japan

来源：

IEEE ANTENNAS AND PROPAGATION MAGAZINE | 2012年 / 54卷 / 04期

关键词：

Electromagnetic induction; power transmission; electromagnetic coupling; antennas; impedance matching; wireless power transmission; wireless power transfer;

D O I：

10.1109/MAP.2012.6309161

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：

A fundamental study was focused on the investigation of wireless power transmission by near-field coupling from the view point of the antennas. Two types of antennas - dipole and loop antennas - were used as the transmitting antenna and the receiving antenna for electrical near-field coupling and for magnetic near-field coupling, respectively. The relationships among the power-transmission efficiency and the antennas' geometries, the antennas' electrical sizes, the impedance matching of the antennas, and the ohmic losses in the antennas and the impedance-matching circuits were clarified. Several observations were obtained, demonstrating the influence on the power-transmission efficiency of the impedance matching and ohmic losses in the wireless power-transmission system associated with near-field coupling.

引用

页码：108 / 116

页数：9

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