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An Easily Scalable Dynamic Wireless Power Transfer System for Electric Vehicles

Author

Listed:
  • Jannis Noeren

    (Institute of Electrical Energy Conversion, University of Stuttgart, Pfaffenwaldring 47, 70569 Stuttgart, Germany
    These authors contributed equally to this work.)

  • Nejila Parspour

    (Institute of Electrical Energy Conversion, University of Stuttgart, Pfaffenwaldring 47, 70569 Stuttgart, Germany
    These authors contributed equally to this work.)

  • Lukas Elbracht

    (Institute of Electrical Energy Conversion, University of Stuttgart, Pfaffenwaldring 47, 70569 Stuttgart, Germany
    These authors contributed equally to this work.)

Abstract

This article deals with a LCC-LCC compensated dynamic wireless power transfer system for electric vehicle charging applications. The presented prototype system allows for a power transfer of about 10 kW at 20 cm coil copper to copper distance. With just one circular pickup coil and a very straightforward control scheme, a new coil arrangement enables a seamless power transfer. Furthermore, the system’s design power level is easily adjustable by the size of the the pickup coil. The hardware architecture as well as the software functionality are described in detail. A 20 m test track was built up according to the outlined principle. By measuring the transmitted power, the efficiency and the interference between the primary segments and its effect on the inverter currents are examined. The results show an effective DC to DC efficiency in the range of 91 to 92% and a power fluctuation of approximately 25%.

Suggested Citation

  • Jannis Noeren & Nejila Parspour & Lukas Elbracht, 2023. "An Easily Scalable Dynamic Wireless Power Transfer System for Electric Vehicles," Energies, MDPI, vol. 16(9), pages 1-15, May.
    • Handle: RePEc:gam:jeners:v:16:y:2023:i:9:p:3936-:d:1140846
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    Citations

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    Cited by:

    1. Yong-Dong Chang & Ying-Chun Chuang & Yi-Shun Huang, 2023. "High-Efficiency Sine-Wave Current Pulses Charging Method in Wireless Power-Transfer System Applications," Energies, MDPI, vol. 16(20), pages 1-23, October.

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