An analysis of magnetic resonance coupling effects on wireless power transfer by coil inductance and placement

Hyeonseok Hwang, Junil Moon, Bumsoo Lee, Chan Hui Jeong, Soo-Won Kim

Research output: Contribution to journalArticle

28 Citations (Scopus)


This paper presents an analysis of magnetic resonance coupling effects that can be considered for realizing a wireless power transfer (WPT) system. In this study, numerical analysis is applied to investigate the power transfer characteristics affected by coil inductance and placement. The simulations and experiments, using various coils and positions, are conducted to find the optimum power transfer condition. The experiment shows that the frequency bandwidth of the wireless power transfer at the optimum coupling condition is enlarged to 0.73 MHz and the transfer efficiency is maintained at over 80%.

Original languageEnglish
Article number6851995
Pages (from-to)203-209
Number of pages7
JournalIEEE Transactions on Consumer Electronics
Issue number2
Publication statusPublished - 2014 Jan 1


ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Media Technology

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