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Variable-Frequency Soft-Switching Modulation of Non-Isolated DC-DC Converters and Compensation Circuits in WPT Systems

G. Yu

Research output: ThesisDissertation (TU Delft)

36 Downloads (Pure)

Abstract

Charging electric vehicles (EV) via wireless power transfer (WPT) has emerged as a novel charging concept in recent years. In this thesis, a WPT charging system featuring LCC-S compensation and a back-end four-switch buck+boost (FSBB) converter was chosen as the research object. The main research content of this thesis is divided into two parts. The first part delves into the FSBB converter. Comprehensive and detailed analysis on the soft-switching modulation strategy on this converter was investigated and presented. The second part focuses on accurate modeling of electrical stresses and current distortion phenomenon for compensation topologies.
Original languageEnglish
QualificationDoctor of Philosophy
Awarding Institution
  • Delft University of Technology
Supervisors/Advisors
  • Bauer, P., Promotor
  • Dong, J., Promotor
Award date10 Sept 2025
Print ISBNs978-94-6384-809-1
DOIs
Publication statusPublished - 2025

Keywords

  • ZVS
  • DC-DC
  • Modulation
  • Compensation

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