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Single Three-Phase Inverter for Dual-Frequency Induction Heating

Author

Listed:
  • Krystian Frania

    (Department of Power Electronics, Electrical Drivers and Robotics, Silesian University of Technology, 44-100 Gliwice, Poland)

  • Kamil Kierepka

    (TRUMPF Huettinger, 05-220 Zielonka, Poland)

  • Marcin Kasprzak

    (Department of Power Electronics, Electrical Drivers and Robotics, Silesian University of Technology, 44-100 Gliwice, Poland)

  • Piotr Zimoch

    (TechFirm Industrie AG, 8001 Zürich, Switzerland)

Abstract

This paper presents new resonant inverter topologies for dual-frequency induction heating (IH). These 2T1C and 3T topologies combine the advantageous features of two- and one-inverter solutions. An analytical description of the load impedance of a dual-frequency series-parallel circuit has been made. Using manufacturer datasheets and LTspice models of selected transistors, a MATLAB model was parameterized. Based on it, power losses are determined as a function of the following parameters: nominal power, frequency and DC bus voltage. The obtained results allowed for determining the data necessary in the design process. The research has been experimentally verified. Tests were carried out for pulsing and simultaneous operation. Power control characteristics as a function of frequency are determined. The possibility of operating the inverter with high efficiency (>97%) in the proposed 2T1C and 3T systems at nominal power is demonstrated.

Suggested Citation

  • Krystian Frania & Kamil Kierepka & Marcin Kasprzak & Piotr Zimoch, 2024. "Single Three-Phase Inverter for Dual-Frequency Induction Heating," Energies, MDPI, vol. 17(11), pages 1-17, May.
    • Handle: RePEc:gam:jeners:v:17:y:2024:i:11:p:2489-:d:1399482
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    References listed on IDEAS

    as
    1. Canberk Sezer & Nihan Altintas, 2023. "Adaptation of Inductive Power Transfer to Small Household Appliances That Can Operate on Induction Heating Cooktops: Wireless Electric Kettle," Energies, MDPI, vol. 16(8), pages 1-25, April.
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