An Investigation of Electromagnetic Radiated Emission and Interference From Multi-Coil Wireless Power Transfer Systems Using Resonant Magnetic Field Coupling

被引：49
作者：
Kong, Sunkyu [1 ]
Bae, Bumhee [1 ]
Jung, Daniel H. [1 ]
Kim, Jonghoon J. [1 ]
Kim, Sukjin [1 ]
Song, Chiuk [1 ]
Kim, Jonghoon [1 ]
Kim, Joungho [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Elect Engn, Taejon 305701, South Korea
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2015年 / 63卷 / 03期
基金：
新加坡国家研究基金会;
关键词：
Analog-to-digital converters (ADCs); electromagnetic (EM) radiated emission; electromagnetic interference (EMI); resonance; wireless power transfer (WPT); ON-CHIP;
D O I：
10.1109/TMTT.2015.2392096
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：
Wireless power transfer (WPT) technology has recently emerged as an innovative and promising technology, and its electromagnetic compatibility (EMC) has become a significant issue. In this study, we investigated the electromagnetic (EM) radiated emission and interference generated by WPT systems using resonant magnetic field coupling, especially in applications with multi-coil configurations. The change in coil resonance associated with multi-coil configurations was analyzed via the impedance profile. We measured the EM radiated emission and analyzed the results with respect to the coil resonance. An analog-to-digital converter chip was designed and fabricated to analyze the effect of electromagnetic interference (EMI). Based on measurement and simulation results, we verified that the EM radiated emission and interference increase at the series or parallel resonance peaks, depending on the source type. In addition, we verified that EMI can be reduced by using ferrite sheet shielding.
引用
收藏
页码：833 / 846
页数：14
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