Overview of megahertz wireless power transfer

Y Wang, Z Sun, Y Guan, D Xu - Proceedings of the IEEE, 2023 - ieeexplore.ieee.org
As a power supply method with high spatial freedom, megahertz (MHz) wireless power
transfer (WPT) has great potential in particular application fields. The role and importance of …

A review of recent trends in wireless power transfer technology and its applications in electric vehicle wireless charging

L Sun, D Ma, H Tang - Renewable and Sustainable Energy Reviews, 2018 - Elsevier
Recently, electric vehicles (EVs) are becoming increasingly popular, as they decrease
reliance on fossil fuels and reduce greenhouse gas emissions. However, there are still many …

A 50-kW three-phase wireless power transfer system using bipolar windings and series resonant networks for rotating magnetic fields

J Pries, VPN Galigekere, OC Onar… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
The mass and volume of wireless power transfer (WPT) systems for charging electric
vehicles are directly related to the rated power of the system. The difficulties of high-power …

[HTML][HTML] Magnetically coupled resonance WPT: Review of compensation topologies, resonator structures with misalignment, and EMI diagnostics

M Abou Houran, X Yang, W Chen - Electronics, 2018 - mdpi.com
Magnetically coupled resonance wireless power transfer systems (MCR WPT) have been
developed in recent years. There are several key benefits of such systems, including …

Transmitter coils design for free-positioning omnidirectional wireless power transfer system

J Feng, Q Li, FC Lee, M Fu - IEEE Transactions on Industrial …, 2019 - ieeexplore.ieee.org
Recently, omnidirectional wireless power transfer systems have been studied intensely due
to their improved flexibility when compared with their planar counterparts. In this paper, a …

Wireless power transfer: A paradigm shift for the next generation

SYR Hui, Y Yang, C Zhang - IEEE Journal of Emerging and …, 2023 - ieeexplore.ieee.org
The first generation of wireless power transfer (WPT) standard Qi, launched in 2010,
contains a wide range of transmitter and receiver designs with the aim of maximizing …

A reticulated planar transmitter using a three-dimensional rotating magnetic field for free-positioning omnidirectional wireless power transfer

T Feng, Z Zuo, Y Sun, X Dai, X Wu… - IEEE Transactions on …, 2022 - ieeexplore.ieee.org
This article proposes a free-positioning omnidirectional wireless power transfer (WPT)
system with a reticulated planar transmitter, which enables multiple receivers to be powered …

LCCL-LC resonant converter and its soft switching realization for omnidirectional wireless power transfer systems

J Feng, Q Li, FC Lee, M Fu - IEEE Transactions on Power …, 2020 - ieeexplore.ieee.org
Recently, omnidirectional wireless power transfer (WPT) systems have been studied
intensely, due to their improved flexibility as compared to their planar counterparts. The …

Cylindrical transmitting coil for two-dimensional omnidirectional wireless power transfer

N Ha-Van, Y Liu, P Jayathurathnage… - IEEE Transactions …, 2022 - ieeexplore.ieee.org
Megahertz-range wireless power transfer has become a promising approach for increasing
spatial freedom of charging. This article proposes a cylindrical-shaped coil, which can …

A 6.78 MHz multiple-receiver wireless power transfer system with constant output voltage and optimum efficiency

M Fu, H Yin, M Liu, Y Wang… - IEEE Transactions on …, 2017 - ieeexplore.ieee.org
This paper develops a 6.78 MHz multiple-receiver wireless power transfer system driven by
a Class E power amplifier. Constant output voltage is achieved for each receiver with …