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Innovative Capacitive Wireless Power System for Machines and Devices

Author

Listed:
  • Marcin Skóra

    (KOMAG Institute of Mining Technology, Pszczyńska 37, 44-100 Gliwice, Poland)

  • Joanna Rogala-Rojek

    (KOMAG Institute of Mining Technology, Pszczyńska 37, 44-100 Gliwice, Poland)

  • Sebastian Jendrysik

    (KOMAG Institute of Mining Technology, Pszczyńska 37, 44-100 Gliwice, Poland)

  • Krzysztof Stankiewicz

    (KOMAG Institute of Mining Technology, Pszczyńska 37, 44-100 Gliwice, Poland)

  • Bartosz Polnik

    (KOMAG Institute of Mining Technology, Pszczyńska 37, 44-100 Gliwice, Poland)

  • Zbigniew Kaczmarczyk

    (Power Electronics Electrical Drives and Robotics Department (KENER), Silesian University of Technology, Krzywoustego Str. No. 2, 44-100 Gliwice, Poland)

  • Marcin Kasprzak

    (Power Electronics Electrical Drives and Robotics Department (KENER), Silesian University of Technology, Krzywoustego Str. No. 2, 44-100 Gliwice, Poland)

  • Paweł Lasek

    (Power Electronics Electrical Drives and Robotics Department (KENER), Silesian University of Technology, Krzywoustego Str. No. 2, 44-100 Gliwice, Poland)

  • Krzysztof Przybyła

    (Power Electronics Electrical Drives and Robotics Department (KENER), Silesian University of Technology, Krzywoustego Str. No. 2, 44-100 Gliwice, Poland)

Abstract

This article deals with the design, development, and analysis of a wireless power transfer system prototype based on capacitive coupling. The system is intended for the continuous charging of a suspended mine drivetrain. It consists of a resonant inverter, primary and secondary matching circuits, a suitable capacitive coupler, and a rectifier with a load, ultimately serving as a battery charger for a mobile energy storage device. The system successfully achieved the target output voltage of 320 V and a charger output power of 2 kW at an operating frequency of 300 kHz. Additionally, the total system efficiency was at the level of 60%, ensuring that the RMS voltages on passive components remained below 3 kV.

Suggested Citation

  • Marcin Skóra & Joanna Rogala-Rojek & Sebastian Jendrysik & Krzysztof Stankiewicz & Bartosz Polnik & Zbigniew Kaczmarczyk & Marcin Kasprzak & Paweł Lasek & Krzysztof Przybyła, 2025. "Innovative Capacitive Wireless Power System for Machines and Devices," Energies, MDPI, vol. 18(3), pages 1-23, January.
    • Handle: RePEc:gam:jeners:v:18:y:2025:i:3:p:521-:d:1574647
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