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EMI Reduction Method for Over-Coupled WPT System using Series-None Topology

This paper proposed EMI reduction method for over-coupled wireless power transfer (WPT) system using seriesnone (SN) topology. The series-none (SN) topology does not has the compensation capacitor for minimizing reactive power of receiver side. The proposed topology has higher input impedance than c...

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Bibliographic Details
Main Authors: Woo, Seongho, Shin, Yujun, Lee, Changmin, Huh, Sungryul, Rhee, Jaewon, Park, Bumjin, Son, Seokhyeon, Ahn, Seungyoung
Format: Conference Proceeding
Language:English
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Summary:This paper proposed EMI reduction method for over-coupled wireless power transfer (WPT) system using seriesnone (SN) topology. The series-none (SN) topology does not has the compensation capacitor for minimizing reactive power of receiver side. The proposed topology has higher input impedance than conventional series-series (SS) topology, resulting in the odd harmonic components of current for SN topology has lower than that of SS topology. In addition, when the over-coupling phenomena occurs, there is not much difference in efficiency of transferring power compared to SS topology. The proposed method is verified through the 3D EM tool and circuit simulation.
ISSN:2573-7651
DOI:10.1109/WPTC51349.2021.9457960