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 comprehensive review on wireless power transfer systems for charging portable electronics

A Laha, A Kalathy, M Pahlevani, P Jain - Eng, 2023 - mdpi.com
Wireless power transfer (WPT) for portable electronic applications has been gaining a lot of
interest over the past few decades. This study provides a comprehensive review of the …

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 …

A novel three-phase omnidirectional wireless power transfer system with zero-switching-loss inverter and cylindrical transmitter coil

H Liu, Y Wang, H Yu, F Wu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Aiming at the problems of large switching loss and large output power fluctuation in the
existing omnidirectional wireless power transfer (OWPT) system, a novel OWPT system with …

A multi-load wireless power transfer system with series-parallel-series compensation

C Cheng, Z Zhou, W Li, C Zhu… - IEEE Transactions on …, 2019 - ieeexplore.ieee.org
This letter proposes a novel wireless power transfer (WPT) system with repeater coils for
multiple loads. Every two repeater coils form a repeater unit where one is used to receive …

Primary-side linear control for constant current/voltage charging of the wireless power transfer system based on the LCC-N compensation topology

Z Liu, L Wang, Y Guo, S Li - IEEE Transactions on Industrial …, 2021 - ieeexplore.ieee.org
This article proposes a primary-side linear control strategy to realize the constant current
(CC)/voltage (CV) charging for the wireless power transfer system, based on the LCC-N …

Load-Independent Push–Pull Class E Topology With Coupled Inductors for MHz-WPT Applications

X Huang, Z Yu, Y Dou, S Lin, Z Ouyang… - … on Power Electronics, 2022 - ieeexplore.ieee.org
This article investigates the modeling and implementation of the load-independent operation
for the push–pull Class E topology with coupled inductors. The analytical modeling is first …

Dual-frequency modulation to achieve power independent regulation for dual-load underwater wireless power connector

S Pang, J Xu, H Li, Q Ma, X Li - IEEE Journal of Emerging and …, 2022 - ieeexplore.ieee.org
The power supply of underwater devices can be realized by the nonelectrical contact
wireless power transfer (WPT) technology. The diversity and flexibility of devices carried by …

Wireless power transfer to multiple loads over a long distance with load-independent constant-current or constant-voltage output

X Xie, C Xie, L Li - IEEE transactions on transportation …, 2020 - ieeexplore.ieee.org
The regulated output characteristic is crucial for a wireless power transfer (WPT) system.
Most studies focus on the single-load system or the system with multiple evenly distributed …

Multiple output inductive charger for electric vehicles

VB Vu, VT Phan, M Dahidah… - IEEE Transactions on …, 2018 - ieeexplore.ieee.org
Multiple output chargers have widely been adopted in various electronic devices due to their
benefit concerning cost, power density, and space for installation. On the contrary, inductive …