Modified Resonant Z Circuit Analysis by Capacitive Power Transfer

Eduardo S.Estevez Encarnacion, Leobardo Hernandez-Gonzalez, Juan Carlos Sanchez Garcia, Jazmin Ramirez-Hernandez, Oswaldo Ulises Juarez-Sandoval

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

1 Scopus citations

Abstract

Capacitive type wireless power transfer systems, CPT, are becoming a suitable alternative to inductive type transfer systems. However, because their research is relatively recent, they have not achieved the power and efficiency levels of their inductive counterparts. To increase power with high efficiencies, feedback loops are used, but achieving adequate stability is problematic since the resonance frequency of this type of wireless system changes with respect to the distance of the capacitive plates, making it difficult to design the controller that could be used. In this work, the use of multi-resonant schemes to stabilize the resonance frequency is proposed. In particular, the analysis of the multi-resonant tank topology modified to compensate the frequency variation of a capacitive type energy transfer scheme is presented.

Original languageEnglish
Title of host publication2020 IEEE International Autumn Meeting on Power, Electronics and Computing, ROPEC 2020
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9781728199535
DOIs
StatePublished - 4 Nov 2020
Event2020 IEEE International Autumn Meeting on Power, Electronics and Computing, ROPEC 2020 - Ixtapa, Mexico
Duration: 4 Nov 20206 Nov 2020

Publication series

Name2020 IEEE International Autumn Meeting on Power, Electronics and Computing, ROPEC 2020

Conference

Conference2020 IEEE International Autumn Meeting on Power, Electronics and Computing, ROPEC 2020
Country/TerritoryMexico
CityIxtapa
Period4/11/206/11/20

Keywords

  • CPT
  • Z-Tank
  • multi-resonant circuit

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