Class-E Push-Pull Resonance Converter with Load Variation Robustness for Industrial Induction Heating

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Abstract

Emerging wide bandgap devices are extending the operating frequency range and power handling capability of solid state based resonant power converter solutions. Presently, resonant power converters for industrial induction heating are using vacuum-tubes, achieving efficiencies of 50–60 %. By replacing the prevalent vacuum tube technology with a solid state based solution, the efficiency of the industrial induction heating processes is expected to be increased. A design of a Class-E Push-Pull resonance converter using silicon carbide MOSFETs is proposed. A prototype, operating at 2.5 MHz, has been built showing a proof-of-concept of the topology at 4 kVA, achieving an efficiency of 91.8 % with a representative industrial induction heating load.
Original languageEnglish
Title of host publication2022 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe)
Number of pages8
PublisherIEEE
Publication date17 Oct 2022
ISBN (Electronic)9789075815399
Publication statusPublished - 17 Oct 2022
Event2022 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe) - Hanover, Germany, Hanover, Germany
Duration: 5 Sep 20229 Sep 2022

Conference

Conference2022 24th European Conference on Power Electronics and Applications (EPE'22 ECCE Europe)
LocationHanover, Germany
Country/TerritoryGermany
CityHanover
Period05/09/202209/09/2022

Keywords

  • Current Source Inverter (CSI)
  • Radio frequency (RF)
  • Resonant converter
  • Simulation
  • Wide bandgap devices
  • Zero-voltage switching

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