Communication Dans Un Congrès Année : 2025

Open-Loop Paralleling of Class E2 resonant DC-DC Converters

Résumé

In view of investigating new strategies to cope with the limitation of high output power of very high frequency power converters, this paper describes the implementation of Class E2 parallel resonant DC-DC converters which is suitable candidate topology for the experiment as it can maintain ZVS over a wide load range naturally in open-loop. Consequently, several 10W elementary prototypes were gathered which maintain an overall efficiency >80% for a load range variation of 2-10W at a switching frequency of 10MHz. Subsequently, multiple paralleling configurations are investigated experimentally which allowed the construction of a predictive model for untested parallel converter configurations. A maximum output power of 42.78W was achieved with 5 parallel converters..

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hal-05322363 , version 1 (20-10-2025)

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  • HAL Id : hal-05322363 , version 1

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Ansley Jugoo, Salomez Florentin, Yves Lembeye, Bruno Allard, Sébastien Carcouet. Open-Loop Paralleling of Class E2 resonant DC-DC Converters. 51st Annual Conference of the IEEE Industrial Electronics Society (IECON 2025), Oct 2025, Madrid, Spain. ⟨hal-05322363⟩
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