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Purpose Wide-bandgap (WBG) semiconductors have emerged as a disruptive technology in the power electronics sphere. This paper aims to analyse and discuss the importance for induction heating systems and gives some examples and highlights some future design trends and perspectives.Design/methodology/approach The benefits of WBG semiconductors are reviewed with a special emphasis on induction heating applications.Findings WBG devices enable the design of higher-performance induction heating power supplies. A significant selection of the reported converters is discussed, highlighting the benefits of this technology.Originality/value This paper highlights the benefits of WBG semiconductors and their potential to change and improve induction heating technology in the next years. [ABSTRACT FROM AUTHOR]

Purpose Litz wire manufacturing using mechanical procedures presents several limitations regarding reliability and repeatability, especially when a small strand diameter is used. This paper aims to propose a power supply design for Litz wire manufacturing using a high-frequency high-performance resonant converter.Design/methodology/approach This paper proposes the design of a resonant power supply for induction heating specially designed to tackle with the challenge of heating Litz wires quickly.Findings The proposed converter enables the removal of the isolating coating from the Litz wire through induction heating, improving significantly the manufacturing process.Originality/value The proposed converter improves significantly the manufacturing process of Litz wire through induction heating, with economic and reliability benefits. [ABSTRACT FROM AUTHOR]