Behavioral modeling of resonant power transfer systems with capacitive coupling: Two-port network approach

Eli Abramov, Mor Mordechai Peretz, Ilya Zeltser

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

Abstract

In this paper, a network based approach to model resonant conversion systems with capacitive coupling is introduced. The modeling methodology provides an efficient tool to investigate capacitive-based wireless power transfer (WPT) systems, in particular for the output characteristics under variations of the components and the coupling parameters. The model enables to explore the dynamics as well as the intricate interactions between the multiple parameters of the systems that can be translated into guidelines in the design of compensators and operation in closed-loop. In addition, a simulation-compatible model of the capacitive coupler using a continuous-time variable capacitor has been constructed in order to provide a simulation framework for the analysis of capacitive-based WPT systems under medium variations. To validate the modeling approach, an experimental capacitive WPT prototype operating at the MHz range has been designed and examined for various air-gaps. The experimental results of the prototype are in excellent agreement with the theoretical analysis and simulations.

Original languageEnglish
Title of host publication34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019
PublisherInstitute of Electrical and Electronics Engineers Inc.
Pages3129-3136
Number of pages8
ISBN (Electronic)9781538683309
DOIs
StatePublished - 24 May 2019
Event34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019 - Anaheim, United States
Duration: 17 Mar 201921 Mar 2019

Publication series

NameConference Proceedings - IEEE Applied Power Electronics Conference and Exposition - APEC
Volume2019-March

Conference

Conference34th Annual IEEE Applied Power Electronics Conference and Exposition, APEC 2019
Country/TerritoryUnited States
CityAnaheim
Period17/03/1921/03/19

Keywords

  • Capacitive power transfer
  • Matching networks
  • Modeling
  • Simulation-compatible model
  • Two-port network

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

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