Output Voltage Range of a Resonant Inductive WPT Link Operating in Load Independent Regime

Yotam Frechter, Yegal Darhovsky, Alon Kuperman

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

3 Scopus citations

Abstract

This paper presents an analysis of series-series compensated inductive wireless power transfer system, operating at load-independent frequency without neglecting equivalent primary and secondary resistances. It is shown that the output DC voltage remains load dependent, residing in a well-defined range. Moreover, while valid for the majority of load range, phasor-domain equivalent circuit fails to predict the output DC voltage under light load conditions. Therefore, solution based on time-domain analysis is proposed to predict the output DC voltage under no-load conditions. The proposed methodology is well-verified by simulation results of a 400V, 3.3kW inductive wireless power transfer link.

Original languageEnglish
Title of host publication2019 IEEE PELS Workshop on Emerging Technologies
Subtitle of host publicationWireless Power Transfer, WoW 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages387-390
Number of pages4
ISBN (Electronic)9781538675144
DOIs
StatePublished - 1 Jun 2019
Event2019 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2019 - London, United Kingdom
Duration: 17 Jun 201921 Jun 2019

Publication series

Name2019 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2019

Conference

Conference2019 IEEE PELS Workshop on Emerging Technologies: Wireless Power Transfer, WoW 2019
Country/TerritoryUnited Kingdom
CityLondon
Period17/06/1921/06/19

Keywords

  • DC voltage gain
  • inductive power transfer
  • load independent frequency

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