NDLI: Resonance and EMI in vertical multi-coupled coils for wireless power transfer (WPT) system

Content Provider	IEEE Xplore Digital Library
Author	Sunkyu Kong Kim, J.J. Joungho Kim
Copyright Year	2012
Description	Author affiliation: Terahertz Interconnection and Package Laboratory, Department of Electrical Engineering, KAIST, 373-1 Guseong-dong, Yuseong-gu, Daejeon 305-701, Republic of Korea (Sunkyu Kong; Kim, J.J.; Joungho Kim)
Abstract	Wireless power transfer (WPT) using magnetic resonance could provide much convenience and so there has been much commercial interests on WPT recently. In the near future, WPT technology is expected to be applied to various electronic devices with transceiver coils for WPT. The coils in different electronic devices for WPT, then, could cause interference on each other. These environments could make a resonance peak for maximum power to divide into several peaks, and have an effect on transferred power and electromagnetic interference (EMI). Therefore, it is needed to measure and analyze various cases for different number of coils in WPT systems. In this paper, we have measured a resonance in vertical multi-coupled coils in the case of tight magnetic coupling. And we have analyzed the transferred power with respect to resonances of vertical multi-coupled coils. We also have measured EMI in vertical multi-coupled coils and analyzed EMI in frequency domain with respect to resonances of vertical multi-coupled coils for WPT systems.
Starting Page	147
Ending Page	150
File Size	643227
Page Count	4
File Format	PDF
ISBN	9781467317771
e-ISBN	9781467317801
DOI	10.1109/IMWS.2012.6215772
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-05-10
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Coils Wireless communication Inductance Electromagnetic interference Magnetic resonance wireless power transfer vertical Electromagnetic interferences resonances multi-coupled Impedance
Content Type	Text
Resource Type	Article

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