Article Dans Une Revue Journal of Magnetism and Magnetic Materials Année : 2025

Selection of a suitable conductor for inductive power transfer

Résumé

Inductive Power Transfer (IPT) is evolving fast in many domains, but its efficiency, its extensive resource requirements, and its cost remain crucial problems for its development. Although the inverter is mainly responsible for its cost and material consumption, a considerable quantity of conductors is required for the coupling realization. Therefore, A drastic cost reduction is possible when comparing the traditional most efficient copper Litz wire with aluminum conductors for a similar volume and a lighter embedded system. However, alternative ribbon wire solutions are also characterized and seem promising as substitutes for such applications. First, standard electrical efficiency is evaluated for all cases, before the price and weight. To complement the results and as the alternative couplers imply different materials and production processes, a Life Cycle Assessment is performed. A comparison is carried out on copper and aluminum litz wires and copper and aluminum ribbons. Results demonstrate the promising interest in industrial application of such study, furthermore for systems requiring many couplers as Dynamic IPT (DIPT).

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Dates et versions

hal-04983559 , version 1 (09-03-2025)

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Tanguy Phulpin, Rym Boulahbel, Hafaliana Randrianjanaka, Yann Leroy. Selection of a suitable conductor for inductive power transfer. Journal of Magnetism and Magnetic Materials, 2025, 5 (1), pp.7. ⟨10.3390/magnetism5010007⟩. ⟨hal-04983559⟩
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