Design methodology for a high insulation voltage power transmission voltage power transmission function for IGBT gate driver

Abstract : In this article, a design methodology for DC-DC converters with high insulation capabilities (up to 30kV) is proposed. The objective is to provide a power transmission function for IGBT drivers. To achieve this, a DC-DC full-bridge series-series (FB-SS) resonant converter with a high air gap transformer is selected and studied. This high air gap transformer (loosely coupled transformer (k)) is used for a high galvanic insulation system. Some transformer geometries are analyzed and compared for this specific application field. Therefore, in term of coupling coefficient of transformer (k), the analysis and the proposed investigations prove that pot core based transformers are suitable choices. Simulation results are presented and analyzed and experimental works are briefly described. Finally, the comparison between the simulation and experimental results are illustrated to validate the proposed methodology.
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Submitted on : Thursday, April 7, 2016 - 11:48:42 AM
Last modification on : Monday, January 7, 2019 - 9:41:35 AM

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Sokchea Am, Pierre Lefranc, David Frey, Mahmoud Ibrahim. Design methodology for a high insulation voltage power transmission voltage power transmission function for IGBT gate driver . IEEE Applied Power Electronics Conference and Exposition 2016, Mar 2016, Long Beach, United States. ⟨hal-01299151⟩

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