Printed Spiral Coils for Wireless Power Transfer: Design Guidelines and Characterization

Hubregt Visser

doi:10.1109/WPTCE56855.2023.10215789

Printed Spiral Coils for Wireless Power Transfer: Design Guidelines and Characterization

Onderzoeksoutput: Hoofdstuk in Boek/Rapport/Congresprocedure › Conferentiebijdrage › Academic › peer review

Samenvatting

Inductive Wireless power Transfer systems for biomedical implants might benefit from using Printed Spiral Coils on flexible foils. Due to the proximity effect, an optimum pitch and number of turns exists that maximizes the Q factor. Based on quasi-static simulations, design equations for pitch and number of turns are given. For a coil of given outer diameter and for a given distance, the outer diameter of a second coil can be optimized for maximum coupling. Design equations for determining this outer diameter are given. A VNA two-port measurement technique for determining low real impedances of coils has been implemented and successfully validated.

Originele taal-2	Engels
Titel	2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023
Uitgeverij	Institute of Electrical and Electronics Engineers
Aantal pagina's	5
ISBN van elektronische versie	979-8-3503-3737-2
DOI's	https://doi.org/10.1109/WPTCE56855.2023.10215789
Status	Gepubliceerd - 22 aug. 2023
Extern gepubliceerd	Ja
Evenement	2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023 - San Diego, Verenigde Staten van Amerika Duur: 4 jun. 2023 → 8 jun. 2023

Congres

Congres	2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023
Land/Regio	Verenigde Staten van Amerika
Stad	San Diego
Periode	4/06/23 → 8/06/23

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10.1109/WPTCE56855.2023.10215789

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title = "Printed Spiral Coils for Wireless Power Transfer: Design Guidelines and Characterization",

abstract = "Inductive Wireless power Transfer systems for biomedical implants might benefit from using Printed Spiral Coils on flexible foils. Due to the proximity effect, an optimum pitch and number of turns exists that maximizes the Q factor. Based on quasi-static simulations, design equations for pitch and number of turns are given. For a coil of given outer diameter and for a given distance, the outer diameter of a second coil can be optimized for maximum coupling. Design equations for determining this outer diameter are given. A VNA two-port measurement technique for determining low real impedances of coils has been implemented and successfully validated.",

keywords = "design, measurement, optimization, Printed Spiral Coil, Wireless Power Transfer",

author = "Hubregt Visser",

year = "2023",

month = aug,

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doi = "10.1109/WPTCE56855.2023.10215789",

language = "English",

booktitle = "2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023",

publisher = "Institute of Electrical and Electronics Engineers",

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note = "2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023 ; Conference date: 04-06-2023 Through 08-06-2023",

}

Visser, H 2023, Printed Spiral Coils for Wireless Power Transfer: Design Guidelines and Characterization. in 2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023., 10215789, Institute of Electrical and Electronics Engineers, 2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023, San Diego, Verenigde Staten van Amerika, 4/06/23. https://doi.org/10.1109/WPTCE56855.2023.10215789

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N2 - Inductive Wireless power Transfer systems for biomedical implants might benefit from using Printed Spiral Coils on flexible foils. Due to the proximity effect, an optimum pitch and number of turns exists that maximizes the Q factor. Based on quasi-static simulations, design equations for pitch and number of turns are given. For a coil of given outer diameter and for a given distance, the outer diameter of a second coil can be optimized for maximum coupling. Design equations for determining this outer diameter are given. A VNA two-port measurement technique for determining low real impedances of coils has been implemented and successfully validated.

AB - Inductive Wireless power Transfer systems for biomedical implants might benefit from using Printed Spiral Coils on flexible foils. Due to the proximity effect, an optimum pitch and number of turns exists that maximizes the Q factor. Based on quasi-static simulations, design equations for pitch and number of turns are given. For a coil of given outer diameter and for a given distance, the outer diameter of a second coil can be optimized for maximum coupling. Design equations for determining this outer diameter are given. A VNA two-port measurement technique for determining low real impedances of coils has been implemented and successfully validated.

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Printed Spiral Coils for Wireless Power Transfer: Design Guidelines and Characterization

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