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Impedance matching approach of L-section circuit with ohmic loss in reactive components

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  • Author Bio:
    Satoshi Suzuki received the Bachelor of Engineering from National Institute of Technology, Sendai College in 2017. He is pursuing the Master's degree in Engineering at Tohoku University. His main research interests are optimization of impedance matching circuit and design of schottky barrier diode for energy harvesting.
    Qiaowei Yuan received the B.E., M.E., and Ph.D. degrees from Xidian University, Xi'an, China, in 1986, 1989, and 1997, respectively. From 1992 to 1995, she worked in Sendai Research and Development Laboratory, Matsushita Communication Company, Ltd.; from 1997 to 2007, with Sendai Research and Development Center, Oi Electric Company Ltd. and with Intelligent Cosmos Research Institute, Japan. From 2007 to 2008, she was an Associate Professor of Tokyo University of Agriculture and Technology. She is currently a Professor of National Institute of Technology, Sendai College. Dr. Yuan received the Best Paper Award and Zenichi Kiyasu Award in 2009 from the Institute of Electronics, Information and Communication Engineers (IEICE) of Japan. Dr. Yuan severed as the secretary of IEICE Technical Committee on Wireless Power transfer of Japan from 2013 to 2015; and she also was a visiting scholar at ElectroScience Laboratory of Ohio State University in USA from April 2015 to September 2015.
    Qiang Chen received the B.E. degree from Xidian University, Xi'an, China, in 1986, the M.E. and D.E. degrees from Tohoku University, Sendai, Japan, in 1991 and 1994, respectively. He is currently Chair Professor of Electromagnetic Engineering Laboratory with the Department of Communications Engineering, Faculty of Engineering, Tohoku University. Dr. Chen received the Young Scientists Award in 1993, the Best Paper Award and Zen-ichi Kiyasu Award in 2009 from IEICE. He was the Secretary and Treasurer of IEEE AP Society Tokyo Chapter in 1998, the Secretary of Technical Committee on EMCJ of IEICE from 2004 to 2006, the Secretary of Technical Committee on AP of IEICE from 2008 to 2010, and an Associate Editor of IEICE Transactions on Communications from 2007 to 2012. He served as Chair of IEICE Technical Committee on PEM from 2012 to 2014. He is now Chair of IEICE Technical Committee on WPT, and Chair of IEEE AP Society Japan Chapter
  • Corresponding author: S. Suzuki Email: suzuki-s@ecei.tohoku.ac.jp 
  • Impedance matching is very important to improve transmission efficiency not only for wireless communication but also for wireless power transfer. Lumped reactive elements are usually used in the impedance matching circuit. These reactive components such as inductors and capacitors have ohmic loss. An exact approach to design the lumped matching circuit at the presence of the ohmic loss is derived in this paper. Moreover, the condition for selection of impedance matching topology is deduced not only for lossless case but also for lossy case. Finally, the effect of the ohmic loss in the impedance matching circuit on the transmission efficiency is demonstrated quantitatively.
  • Cite this article

    Suzuki S, Yuan Q, Chen Q. 2018. Impedance matching approach of L-section circuit with ohmic loss in reactive components. Wireless Power Transfer 5(1): 64-74 doi: 10.1017/wpt.2017.21
    Suzuki S, Yuan Q, Chen Q. 2018. Impedance matching approach of L-section circuit with ohmic loss in reactive components. Wireless Power Transfer 5(1): 64-74 doi: 10.1017/wpt.2017.21

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ARTICLE   Open Access    

Impedance matching approach of L-section circuit with ohmic loss in reactive components

  • Author Bio:
    Satoshi Suzuki received the Bachelor of Engineering from National Institute of Technology, Sendai College in 2017. He is pursuing the Master's degree in Engineering at Tohoku University. His main research interests are optimization of impedance matching circuit and design of schottky barrier diode for energy harvesting.
    Qiaowei Yuan received the B.E., M.E., and Ph.D. degrees from Xidian University, Xi'an, China, in 1986, 1989, and 1997, respectively. From 1992 to 1995, she worked in Sendai Research and Development Laboratory, Matsushita Communication Company, Ltd.; from 1997 to 2007, with Sendai Research and Development Center, Oi Electric Company Ltd. and with Intelligent Cosmos Research Institute, Japan. From 2007 to 2008, she was an Associate Professor of Tokyo University of Agriculture and Technology. She is currently a Professor of National Institute of Technology, Sendai College. Dr. Yuan received the Best Paper Award and Zenichi Kiyasu Award in 2009 from the Institute of Electronics, Information and Communication Engineers (IEICE) of Japan. Dr. Yuan severed as the secretary of IEICE Technical Committee on Wireless Power transfer of Japan from 2013 to 2015; and she also was a visiting scholar at ElectroScience Laboratory of Ohio State University in USA from April 2015 to September 2015.
    Qiang Chen received the B.E. degree from Xidian University, Xi'an, China, in 1986, the M.E. and D.E. degrees from Tohoku University, Sendai, Japan, in 1991 and 1994, respectively. He is currently Chair Professor of Electromagnetic Engineering Laboratory with the Department of Communications Engineering, Faculty of Engineering, Tohoku University. Dr. Chen received the Young Scientists Award in 1993, the Best Paper Award and Zen-ichi Kiyasu Award in 2009 from IEICE. He was the Secretary and Treasurer of IEEE AP Society Tokyo Chapter in 1998, the Secretary of Technical Committee on EMCJ of IEICE from 2004 to 2006, the Secretary of Technical Committee on AP of IEICE from 2008 to 2010, and an Associate Editor of IEICE Transactions on Communications from 2007 to 2012. He served as Chair of IEICE Technical Committee on PEM from 2012 to 2014. He is now Chair of IEICE Technical Committee on WPT, and Chair of IEEE AP Society Japan Chapter
  • Corresponding author: S. Suzuki Email: suzuki-s@ecei.tohoku.ac.jp 
Wireless Power Transfer  5 Article number: 10.1017/wpt.2017.21  (2018)  |  Cite this article

Abstract: Impedance matching is very important to improve transmission efficiency not only for wireless communication but also for wireless power transfer. Lumped reactive elements are usually used in the impedance matching circuit. These reactive components such as inductors and capacitors have ohmic loss. An exact approach to design the lumped matching circuit at the presence of the ohmic loss is derived in this paper. Moreover, the condition for selection of impedance matching topology is deduced not only for lossless case but also for lossy case. Finally, the effect of the ohmic loss in the impedance matching circuit on the transmission efficiency is demonstrated quantitatively.

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    Cite this article
    Suzuki S, Yuan Q, Chen Q. 2018. Impedance matching approach of L-section circuit with ohmic loss in reactive components. Wireless Power Transfer 5(1): 64-74 doi: 10.1017/wpt.2017.21
    Suzuki S, Yuan Q, Chen Q. 2018. Impedance matching approach of L-section circuit with ohmic loss in reactive components. Wireless Power Transfer 5(1): 64-74 doi: 10.1017/wpt.2017.21

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