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Comparative analysis and improved design of LLC inverters for induction heating

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Comparative analysis and improved design of LLC inverters for induction heating

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dc.contributor.author	Esteve Gómez, Vicente
dc.contributor.author	Jordán Martínez, José
dc.contributor.author	Dede García-Santamaría, Enrique
dc.contributor.author	Martínez, Pedro J.
dc.contributor.author	Ferrara, Kevil J.
dc.contributor.author	Bellido, Juan L.
dc.date.accessioned	2023-10-26T11:12:38Z
dc.date.available	2023-10-26T11:12:38Z
dc.date.issued	2023
dc.identifier.uri	https://hdl.handle.net/10550/90703
dc.description.abstract	This work presents a comparative analysis and design procedure of a converter based on an LLC resonant inverter used for induction heating applications depending on the transistor technology used and the selected operating frequency. A major objective of the work is to determinate the inverter design requirements leading to the optimal sizing of the components, improving its operation and minimizing power losses. Additionally, it proposes a design to obtain a great insensitivity of the inverter operation against large variations of load impedance. This article analyzes the operation of the inverter where the power regulation is carried out by phase-shift (PS) modulation. Simple rules are formulated for the design of the resonant circuit components. The design has been verified testing a 25-kW inverter in an industrial application of induction hardening operating at 500 kHz. Inverter efficiency is around 98.5% when using Silicon Carbide (SiC) MOSFETs.
dc.language.iso	eng
dc.relation.ispartof	IET Power Electronics, 2023, vol. 2023, num. 16, p. 1754-1764
dc.source	Esteve Gómez, Vicente Jordán Martínez, José Dede García-Santamaría, Enrique Martínez, Pedro J. Ferrara, Kevil J. Bellido, Juan L. 2023 Comparative analysis and improved design of LLC inverters for induction heating IET Power Electronics 2023 16 1754 1764
dc.subject	Electrònica
dc.subject	Física
dc.title	Comparative analysis and improved design of LLC inverters for induction heating
dc.type	journal article
dc.date.updated	2023-10-26T11:12:39Z
dc.identifier.doi	10.1049/pel2.12484
dc.identifier.idgrec	161515
dc.rights.accessRights	open access