Performance Evaluation of the FCI-DAB as a Single-Stage and Storage Capacitorless PFC Wireless Charger | Zendy

Itziar Alzuguren | Zendy; Asier Garcia-Bediaga | Zendy; Ander Avila | Zendy; Alejandro Rujas | Zendy; Miroslav Vasic | Zendy

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Performance Evaluation of the FCI-DAB as a Single-Stage and Storage Capacitorless PFC Wireless Charger

Author(s) -

Itziar Alzuguren,

Asier Garcia-Bediaga,

Ander Avila,

Alejandro Rujas,

Miroslav Vasic

Publication year - 2025

Publication title -

ieee access

Language(s) - English

Resource type - Magazines

SCImago Journal Rank - 0.587

H-Index - 127

eISSN - 2169-3536

DOI - 10.1109/access.2025.3591847

Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation

This paper compares two single-stage (1-S) topologies for Electric Vehicle (EV) wireless battery chargers. The Single Stage Resonant-Dual Active Bridge (SSR-DAB) topology is a very compact topology due to the lack of input and output interfaces, reducing considerably the passive components of the circuit. However, its main disadvantage compared to two-stage (2-S) solutions is the fact that it transmits the low frequency fluctuation to the output, which is solved with the recently presented Floating Capacitor Integrated-Dual Active Bridge (FCI-DAB) topology, thanks to the active filter connected in series on the primary-side of the converter. The topologies are compared in terms of controllability, bifurcation, grid current quality and system power losses, taking into account two different control strategies: duty-cycle control on the primary-side and duty-cycle control on the secondary-side of the circuit. The study concludes that the FCI-DAB works better dealing with bifurcation and grid current distortion, while the SSR-DAB converter is not able to guarantee full performance with a single control strategy. The study is validated by experimental results obtained from a scaled down GaN-based Inductive Power Transfer (IPT) 1.5 kW battery charger, achieving 93 % of efficiency and PF=0.99.

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