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Impact of Coil Misalignment in Data Transmission over the Inductive Link of an EV Wireless Charger

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Listed:
  • Alicia Triviño-Cabrera

    (Department of Electrical Engineering, University of Málaga, 29016 Málaga, Spain)

  • Zhengyu Lin

    (Power Electronics, Machines and Power System, Aston University, Birmingham B4 7ET, UK)

  • José A. Aguado

    (Department of Electrical Engineering, University of Málaga, 29016 Málaga, Spain)

Abstract

The penetration rate of electric vehicles (EVs) will experience a relative increment in the future, so easy to use ways to recharge will be demanded. In this sense, wireless charging represents a safe charging method that minimises user intervention. In a similar way to conductive charge, wireless charging requires some information exchange between the charger primary side and secondary side (battery) for safety and operational reasons. Thus, wireless chargers depend on a communication system for their controlled and correct operation. This paper analysed the communication performance of a wireless EV charger in which the communiction device is part of the wireless power transfer system. Particularly, this work studies how the communication system reacts to power coil displacements, which commonly occur in their conventional performance. The results show that the compensation topology selected to ensure the resonant operation clearly impacts on the communication performance. In particular, the theoretical model and the simulation results demonstrate that the asymmetrical compensation topologies are more stable in terms of the wireless communication channel capacity.

Suggested Citation

  • Alicia Triviño-Cabrera & Zhengyu Lin & José A. Aguado, 2018. "Impact of Coil Misalignment in Data Transmission over the Inductive Link of an EV Wireless Charger," Energies, MDPI, vol. 11(3), pages 1-11, March.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:3:p:538-:d:134458
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    References listed on IDEAS

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    1. Zhenshi Wang & Xuezhe Wei, 2015. "Design Considerations for Wireless Charging Systems with an Analysis of Batteries," Energies, MDPI, vol. 8(10), pages 1-20, September.
    2. Chunyan Xiao & Yufeng Liu & Dingning Cheng & Kangzheng Wei, 2017. "New Insight of Maximum Transferred Power by Matching Capacitance of a Wireless Power Transfer System," Energies, MDPI, vol. 10(5), pages 1-11, May.
    3. Kalwar, Kafeel Ahmed & Aamir, Muhammad & Mekhilef, Saad, 2015. "Inductively coupled power transfer (ICPT) for electric vehicle charging – A review," Renewable and Sustainable Energy Reviews, Elsevier, vol. 47(C), pages 462-475.
    4. García-Vázquez, Carlos A. & Llorens-Iborra, Francisco & Fernández-Ramírez, Luis M. & Sánchez-Sainz, Higinio & Jurado, Francisco, 2017. "Comparative study of dynamic wireless charging of electric vehicles in motorway, highway and urban stretches," Energy, Elsevier, vol. 137(C), pages 42-57.
    5. Chaoqiang Jiang & K. T. Chau & Chunhua Liu & Christopher H. T. Lee, 2017. "An Overview of Resonant Circuits for Wireless Power Transfer," Energies, MDPI, vol. 10(7), pages 1-20, June.
    6. Shaukat, N. & Khan, B. & Ali, S.M. & Mehmood, C.A. & Khan, J. & Farid, U. & Majid, M. & Anwar, S.M. & Jawad, M. & Ullah, Z., 2018. "A survey on electric vehicle transportation within smart grid system," Renewable and Sustainable Energy Reviews, Elsevier, vol. 81(P1), pages 1329-1349.
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    1. Alicia Triviño & José M. González-González & José A. Aguado, 2021. "Wireless Power Transfer Technologies Applied to Electric Vehicles: A Review," Energies, MDPI, vol. 14(6), pages 1-21, March.

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