期刊
IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY
卷 59, 期 2, 页码 695-703出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TEMC.2016.2636863
关键词
Electromagnetic compatibility (EMC); electromagnetic fields (EMFs); electromagnetic shielding
资金
- Ministry of Science, ICT, and Future Planning, South Korea under Information Technology Research Center support program [IITP-2016-R2718-16-0012]
- IT R&D program of MSIP/IITP [B0138-16-1002]
- Institute for Information & Communication Technology Planning & Evaluation (IITP), Republic of Korea [2016-0-00291-002] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [22A20151513091] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
Demand and interest in wireless power transfer (WPT) have been rapidly increasing lately. However, WPT systems have problems with electromagnetic field (EMF) leakage, which has stimulated interest in methods to suppress EMF leakage levels. In this paper, we propose a compact resonant reactive shielding coil topology for reducing EMF in a near-field WPT mobile device application. The proposed shielding coil employs a closed loop and matching capacitors, and is demonstrated to dramatically reduce the leakage magnetic field from aWPT system. For validation, the proposed shielding was implemented with other shielding topologies and the EMFs were measured and compared. The analytical, simulation, and measurement results were all strongly correlated.
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