Circularly polarized near field for resonant wireless power transfer

被引：0

作者：

Wu, Jing ^{[1
]}

Wang, Bingnan ^{[1
]}

Yerazunis, William ^{[1
]}

Teo, Koon Hoo ^{[1
]}

机构：

[1] Mitsubishi Elect Res Labs, 201 Broadway, Cambridge, MA 02139 USA

来源：

2015 IEEE Wireless Power Transfer Conference (WPTC) | 2015年

关键词：

TRANSMISSION; ANTENNA;

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, we propose a near field coupling based wireless power transfer (WPT) system with circularly polarized magnetic field. With a pair of orthogonal resonant coils arranged to generate a circularly polarized near field, we show that the power transfer efficiency is largely maintained in case of rotational misalignment. Furthermore, by arranging the coils close to a metal surface, the power transfer efficiency is actually improved, rather than decreased as in the case of WPT system made with conventional coils. Depending on the application, the receiving coil can be either a pair of orthogonal coils, or conventional coils with flat structures. We believe that the proposed technology offers a great option toward flexible WPT applications.

引用

页数：3

共 9 条

[1] A new circularly polarized rectenna for wireless power transmission and data communication [J].

Ali, M ;

Yang, G ;

Dougal, R .

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS, 2005, 4 :205-208

[2] Magnetic Resonant Coupling As a Potential Means for Wireless Power Transfer to Multiple Small Receivers [J].

Cannon, Benjamin L. ;

Hoburg, James F. ;

Stancil, Daniel D. ;

Goldstein, Seth Copen .

IEEE TRANSACTIONS ON POWER ELECTRONICS, 2009, 24 (07) :1819-1825

[3] Multiphase Pickups for Large Lateral Tolerance Contactless Power-Transfer Systems [J].

Elliott, Grant A. J. ;

Raabe, Stefan ;

Covic, Grant A. ;

Boys, John T. .

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 2010, 57 (05) :1590-1598

[4] Low-profile circularly polarized rectifying antenna for wireless power transmission at 5.8 GHz [J].

Heikkinen, J ;

Kivikoski, M .

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2004, 14 (04) :162-164

[5] Design and Test of a High-Power High-Efficiency Loosely Coupled Planar Wireless Power Transfer System [J].

Low, Zhen Ning ;

Chinga, Raul Andres ;

Tseng, Ryan ;

Lin, Jenshan .

IEEE TRANSACTIONS ON INDUSTRIAL ELECTRONICS, 2009, 56 (05) :1801-1812

[6] Single-feed circularly polarized microstrip ring antenna and arrays [J].

Ramirez, RR ;

De Flaviis, F ;

Alexopoulos, NG .

IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION, 2000, 48 (07) :1040-1047

[7] Resonant Contactless Energy Transfer With Improved Efficiency [J].

Valtchev, Stanimir ;

Borges, Beatriz ;

Brandisky, Kostadin ;

Klaassens, J. Ben .

IEEE TRANSACTIONS ON POWER ELECTRONICS, 2009, 24 (3-4) :685-699

[8] Wireless Power Transfer: Metamaterials and Array of Coupled Resonators [J].

Wang, Bingnan ;

Yerazunis, William ;

Teo, Koon Hoo .

PROCEEDINGS OF THE IEEE, 2013, 101 (06) :1359-1368

[9] Experiments on wireless power transfer with metamaterials [J].

Wang, Bingnan ;

Teo, Koon Hoo ;

Nishino, Tamotsu ;

Yerazunis, William ;

Barnwell, John ;

Zhang, Jinyun .

APPLIED PHYSICS LETTERS, 2011, 98 (25)

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