Traveling magnetic field for homogeneous wireless power transmission

被引：36

作者：

Gao, Jianbo ^{[1
]}

机构：

[1] Fraunhofer Inst Biomed Engn, D-66386 Saarland, Germany

来源：

IEEE TRANSACTIONS ON POWER DELIVERY | 2007年 / 22卷 / 01期

关键词：

magnetic field; mobile power supplies; mobile robots; power systems; power transmission;

D O I：

10.1109/TPWRD.2006.876645

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 novel concept for wireless power transmission using inductive coupling is proposed to transmit power homogeneously over a large working area. This concept includes a specially designed winding group on the transmitting side to generate a traveling magnetic field, which causes an alternating magnetic flux through a receiving coil that is located in this field and, therefore, induces a voltage in the coil. The prototype system provides an effective working area of 180 x 220 mm for one or more power receivers that is 4.0 mm thick and 11.5 nun in diameter. Each receiver receives a constant power of about 330 mW at 3.1 +/- 0.4 V dc operating voltage throughout the working area. A. possible application of this concept is the powering of untethered microrobots.

引用

页码：507 / 514

页数：8

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