Constant frequency resonant inductive wireless power transfer link with load-independent voltage output-a generalized approach

Sergei Kolesnik, Alon Kuperman

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

Abstract

A closed-form analytical expression is derived in the paper, linking five parameters (coil inductances, compensating capacitor values and coupling coefficient) of a typical series-series compensated resonant inductive wireless power transfer link (WPTL) with given operating frequency so that the output voltage remains load independent. It is shown that for a given operating frequency, infinite amount of compensation capacitor pairs exists, yielding load independent voltage gain. Feasible solutions range is determined and it is demonstrated that two commonly used operation points are particular cases of the proposed generalized design expression. Intuitive explanation based on generalized loosely coupled transformer model is also provided.

Original languageEnglish
Title of host publicationIET Conference Proceedings
PublisherInstitution of Engineering and Technology
Pages185-188
Number of pages4
Volume2022
Edition11
ISBN (Electronic)9781839537042, 9781839537059, 9781839537189, 9781839537196, 9781839537424, 9781839537615, 9781839537769, 9781839537813, 9781839537882, 9781839537899, 9781839537998, 9781839538063
DOIs
StatePublished - 1 Jan 2022
Event11th International Conference on Renewable Power Generation - Meeting Net Zero Carbon, RPG 2022 - London, United Kingdom
Duration: 22 Sep 202223 Sep 2022

Conference

Conference11th International Conference on Renewable Power Generation - Meeting Net Zero Carbon, RPG 2022
Country/TerritoryUnited Kingdom
CityLondon
Period22/09/2223/09/22

Keywords

  • INDUCTIVE WPT
  • LOAD-INDEPENDENT VOLTAGE OUTPUT
  • S-S COMPENSATION

ASJC Scopus subject areas

  • General Engineering

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