Recent Advances in High-Performance Wireless Power Transfer Technologies

A special issue of Electronics (ISSN 2079-9292). This special issue belongs to the section "Microwave and Wireless Communications".

Deadline for manuscript submissions: 16 August 2024 | Viewed by 600

Special Issue Editors

School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China
Interests: capacitive power transfer; wireless power and signal transfer
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Guest Editor
School of Electrical Engineering, Southwest Jiaotong University, Chengdu 611756, China
Interests: wireless power transfer

E-Mail Website
Guest Editor
School of Electrical Engineering, China University of Mining and Technology, Xuzhou 221116, China
Interests: wireless power transfer; power conversion technology

Special Issue Information

Dear Colleagues,

In scenarios where conventional wire-based power supply methods are impractical or challenging to implement, wireless power transfer (WPT) technology emerges as an effective alternative. The increasingly diverse power supply scenarios and electrical devices have imposed elevated performance demands on WPT systems. On the one hand, these systems are required to accommodate varying power levels under different coupling conditions while maintaining high efficiency and robustness. Simultaneously, they must conform to electromagnetic compatibility standards across various industries. On the other hand, WPT systems are also expected to encompass multiple auxiliary functions to enhance system performance and user experience. These functionalities may include in-band communication, foreign object detection, load recognition, etc. This Special Issue, titled "Recent Advances in High-Performance Wireless Power Transfer Technologies", focuses on the latest theoretical and applied research achievements in high-performance WPT technology. Original research articles and reviews are welcomed for this Special Issue. Research areas may include (but are not limited to) the following topics:

  • Power semiconductor devices for WPT systems;
  • Power converters for WPT systems;
  • Loss modeling and analysis for WPT systems;
  • MEPT (Maximum Efficiency Point Tracking) for WPT systems;
  • Anti-misalignment techniques for WPT systems;
  • Control techniques for WPT systems;
  • Novel magnetic materials for WPT systems;
  • Active/passive electromagnetic shielding techniques for WPT systems;
  • Electromagnetic radiation and biological safety assessment for WPT systems;
  • Simultaneous power and signal transfer techniques for WPT systems;
  • Foreign object detection techniques for WPT systems;
  • Interoperability of WPT systems;
  • Novel coupling interfaces for WPT systems;
  • Overview of key technologies of WPT systems;
  • Overview of industrialization of WPT technologies.

We look forward to receiving your contributions.

Dr. Wei Zhou
Dr. Yang Chen
Dr. Zhijuan Liao
Guest Editors

Manuscript Submission Information

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Keywords

  • wireless power transfer
  • high performance
  • efficiency improvement
  • robustness
  • electromagnetic compatibility
  • auxiliary functions

Published Papers (1 paper)

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Research

21 pages, 7637 KiB  
Article
Constant-Voltage and Constant-Current Controls of the Inductive Power Transfer System for Electric Vehicles Based on Full-Bridge Synchronous Rectification
by Jin Cai, Pan Sun, Kai Ji, Xusheng Wu, Hang Ji, Yuxiao Wang and Enguo Rong
Electronics 2024, 13(9), 1686; https://doi.org/10.3390/electronics13091686 - 26 Apr 2024
Viewed by 375
Abstract
When an inductive power transfer (IPT) system conducts wireless charging for electric cars, the coupling coefficient between the coils is easily affected by fluctuations in the external environment. With frequent changes in the battery load impedance, it is difficult for the IPT system [...] Read more.
When an inductive power transfer (IPT) system conducts wireless charging for electric cars, the coupling coefficient between the coils is easily affected by fluctuations in the external environment. With frequent changes in the battery load impedance, it is difficult for the IPT system to achieve constant-voltage and constant-current (CVCC) controls. A CVCC control method is proposed for the IPT system that has a double-sided LCC compensation structure based on full-bridge synchronous rectification. The proposed method achieved good dynamic stability and was able to effectively switch between the output current and voltage of the system by adjusting only the duty cycle of the switch on the secondary side of the rectification bridge. As a result, the system efficiency was improved. The output characteristics of the double-sided LCC compensation structure was derived and the conduction condition with zero voltage was analyzed by using four switches through two conduction time series of the rectifier circuit. Then, the output voltage of the synchronized rectifier was derived. The hardware implementation of the full-bridge controllable rectifier was described in detail. Finally, a MATLAB/Simulink 2018a simulation model was developed and applied to an 11 kW prototype to analyze and validate the design. The results showed that the designed system had good CVCC output characteristics and could maintain constant output under certain coupling offsets. Compared with semi synchronous rectification methods, the proposed method had a higher efficiency, which was 95.6% at the rated load. Full article
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