Distributed Diameter Subcoil Twisted Loop Antenna in Nonradiative WPT

Marjorie Grzeskowiak 1 Antoine Diet 2 Megdouda Benamara 1 Patrick Poulichet 1 Christophe Conessa 2 Stéphane Protat 1 Marc Biancheri-Astier 3, 2 Francisco de Oliveira Alves 2 Yann Le Bihan 2 Gaelle Lissorgues 1
1 ESYCOM - Electronique, Systèmes de communication et Microsystèmes
2 GeePs - Laboratoire Génie électrique et électronique de Paris
3 IDES - Interactions et dynamique des environnements de surface
Abstract : This letter focuses on the high-frequency wireless power transfer by electromagnetic induction and its dependence on the lateral misalignment and tilt of the small receiving coil relative to the transmitting coil. We combine two structures, the twisted loop antenna (TLA) and subcoils of a distributed diameter coil (DDC) for transmitting designs. Our system is then referred to as TLA-DDC. The radius of the subcoils is parametrically varied for different distances between the coils and performed in two positions for each distance (coaxial position when the receiving coil is parallel to the plane of the transmitting coil, and center position for the perpendicular orientation of both coils). Then, using different radii for the transmitting DDC TLA when the receiving coil is moved onto its surface allows us to obtain a greater value of efficiency at different positions: up to 2.4 times for the peak value and 1.5 for the average value for receiving coil in parallel plane. The efficiency of the magnetic coupling is determined by means of power efficiency with a comparison between the DDC TLA antennas and a standard coil antenna corresponding to the same inductance value.
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Journal articles
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https://hal-centralesupelec.archives-ouvertes.fr/hal-01691560
Contributor : Antoine Diet <>
Submitted on : Wednesday, January 24, 2018 - 10:16:32 AM
Last modification on : Saturday, April 6, 2019 - 1:36:39 AM

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CENTRALESUPELEC | UPMC | UPEC-UPEM | GEEPS | GEOPS | UNIV-PARIS-SACLAY | PIEM | ESYCOM | ESIEE-PARIS | UNIV-HESAM | SORBONNE-UNIVERSITE | SU-SCIENCES

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Marjorie Grzeskowiak, Antoine Diet, Megdouda Benamara, Patrick Poulichet, Christophe Conessa, et al.. Distributed Diameter Subcoil Twisted Loop Antenna in Nonradiative WPT. IEEE Antennas and Wireless Propagation Letters, Institute of Electrical and Electronics Engineers, 2017, 17 (1), pp.4 - 7. ⟨10.1109/LAWP.2017.2767020⟩. ⟨hal-01691560⟩

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