Innovative 5-m-Off-Distance Inductive Power Transfer Systems With Optimally Shaped Dipole Coils

被引：109

作者：

Park, Changbyung ^{[1
]}

Lee, Sungwoo ^{[2
]}

Cho, Gyu-Hyeong ^{[1
]}

Rim, Chun T. ^{[3
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305755, South Korea

[2] Samsung Elect, Yongin 446711, South Korea

[3] Korea Adv Inst Technol, Dept Nucl & Quantum Engn, Taejon 305755, South Korea

来源：

IEEE TRANSACTIONS ON POWER ELECTRONICS | 2015年 / 30卷 / 02期

基金：

新加坡国家研究基金会;

关键词：

Inductive coupling; inductive power transfer system (IPTS); wireless power; DESIGN; TOPOLOGY;

D O I：

10.1109/TPEL.2014.2310232

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：

5-m-off-distance inductive power transfer systems that have optimally shaped cores in the primary and secondary coils are proposed. Instead of conventional-loop-type coils for magnetic resonance scheme, magnetic dipole type coils with cores are used for drastic reduction in deployment space and quite long wireless power transfer. An optimized stepped core structure is also proposed, where a strong magnetic field section is so thick that magnetic field density may be even. Thus, the proposed optimized stepped core has only 41% core loss compared with an unoptimized even core but delivers 2.1 times more wireless power for a given amount of core. Experimentally obtained maximum output powers and primary-coil-to-load-power efficiencies for 3, 4, and 5 m at 20 kHz were 1403, 471, 209 W, and 29%, 16%, 8%, respectively.

引用

页码：817 / 827

页数：11

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