Pulse Frequency Modulation Control for Capacitive Power Transfer System with Flexible Output Voltage

Zhiwei Xue, K. T. Chau, Wei Liu, Tengbo Yang, T. W. Ching

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

1 Citation (Scopus)

Abstract

In order to cope with the different voltage and power requirements in the capacitive power transfer (CPT) system, an effective pulse frequency modulation (PFM) method for the inductor-capacitor (LC)-LC compensated CPT system is proposed in this paper. The LC-LC compensated CPT can inherently realize constant output voltage characteristics, independent of load and coupling capacitance. In addition, the PFM control can realize flexible and effective output voltage regulation while enabling zero voltage switching (ZVS), thus reducing switching losses and improving the system efficiency. Detailed computational evaluation and theoretical analysis are conducted to assess the viability of the proposed PFM-CPT system.

Original languageEnglish
Title of host publication2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023 - Proceedings
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9798350337372
DOIs
Publication statusPublished - 2023
Externally publishedYes
Event2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023 - San Diego, United States
Duration: 4 Jun 20238 Jun 2023

Publication series

Name2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023 - Proceedings

Conference

Conference2023 IEEE Wireless Power Technology Conference and Expo, WPTCE 2023
Country/TerritoryUnited States
CitySan Diego
Period4/06/238/06/23

Keywords

  • Capacitive power transfer
  • flexible output voltage
  • pulse frequency modulation
  • zero voltage switching

ASJC Scopus subject areas

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

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