Design of a capacitive power transfer system with tolerance of large coupling variations

Research output: Chapter in Book/Conference proceedingConference contributionpeer-review

Abstract

This paper presents a new design methodology for capacitive power transfer (CPT) systems aimed at enhancing insensitivity to coupling variations. The designed CPT system maintains quasi-constant output power regardless of large coupling variations caused by misalignment. Its compensation network is designed to generate a constant current source. Design equations are derived for determining circuit parameters. The conditions and allowable range of the coupling variations are specified. Simulations and experimental results have demonstrated the validity of the proposed design method. A prototype CPT system has been built, capable of delivering up to 10W output power, with coupling changing from good alignment to 70mm longitudinal deviation.

Original languageEnglish
Title of host publicationProceedings of 2024 IEEE Wireless Power Technology Conference and Expo, WPTCE 2024
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages304-307
Number of pages4
ISBN (Electronic)9798350349139
DOIs
Publication statusPublished - 2024
Event2024 IEEE Wireless Power Technology Conference and Expo, WPTCE 2024 - Kyoto, Japan
Duration: 8 May 202411 May 2024

Publication series

NameProceedings of 2024 IEEE Wireless Power Technology Conference and Expo, WPTCE 2024

Conference

Conference2024 IEEE Wireless Power Technology Conference and Expo, WPTCE 2024
Country/TerritoryJapan
CityKyoto
Period8/05/2411/05/24

Keywords

  • capacitive power transfer
  • constant power
  • coupling variations
  • insensitivity

ASJC Scopus subject areas

  • Computer Networks and Communications
  • Energy Engineering and Power Technology
  • Electrical and Electronic Engineering
  • Instrumentation

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