Effects of number of relays on achievable efficiency of magnetic resonant wireless power transfer

J Lee, K Lee - IEEE Transactions on Power Electronics, 2019 - ieeexplore.ieee.org
In magnetic resonant wireless power transfer (WPT), relays are placed between a transmitter
and a receiver as a means of increasing both the operating distance and the power transfer …

Load matching analysis of magnetically-coupled resonant wireless power transfer

Y Zhang, Z Zhao, K Chen - 2013 IEEE ECCE Asia Downunder, 2013 - ieeexplore.ieee.org
Two basic structures are generally employed in magnetically-coupled resonant wireless
power transfer (MCR-WPT), ie the two-coil structure and the four-coil structure. The …

Comparative study of achievable efficiency between three-and four-coil wireless power transfer systems

K Lee, SH Chae - IEEE Journal of Emerging and Selected …, 2021 - ieeexplore.ieee.org
In magnetic resonant wireless power transfer (WPT), intermediate resonant coils (i-RCs) can
be deployed between a transmitter and a receiver as a means of improving performance, but …

Analysis of magnetically coupled wireless power transfer between two resonators based on power conservation

G Kim, B Lee - 2014 IEEE Wireless Power Transfer Conference, 2014 - ieeexplore.ieee.org
Based on an equivalent circuit in which the necessary elements for a magnetically coupled
wireless power transfer (WPT) system are considered, its overall characteristics are …

Circuit analysis of achievable transmission efficiency in an overcoupled region for wireless power transfer systems

WK Choi, CW Park, K Lee - IEEE Systems Journal, 2017 - ieeexplore.ieee.org
On nonradiative wireless power transfer (WPT) using a pair of magnetically coupled
resonators, we investigate the achievable transmission efficiency for a different set of …

Modeling and optimization of magnetically coupled resonant wireless power transfer system with varying spatial scales

F Liu, Y Yang, D Jiang, X Ruan… - IEEE Transactions on …, 2016 - ieeexplore.ieee.org
Previous work reveals that the magnetically coupled resonant (MCR) wireless power
transfer (WPT) technology is efficient and practical for mid-range wireless energy …

Study on efficiency maximization design principles for wireless power transfer system using magnetic resonant coupling

H Li, X Yang, K Wang, X Dong - 2013 IEEE ECCE Asia …, 2013 - ieeexplore.ieee.org
Wireless Power Transfer (WPT) brings convenience and safety in many applications and
serves as a research hot spot in recently years. Magnetic resonant coupling is widely …

A maximum efficiency point tracking control scheme for wireless power transfer systems using magnetic resonant coupling

H Li, J Li, K Wang, W Chen… - IEEE Transactions on …, 2014 - ieeexplore.ieee.org
With a good balance between power transfer distance and efficiency, wireless power
transfer (WPT) using magnetic resonant coupling is preferred in many applications …

Rigorous network modeling of magnetic-resonant wireless power transfer

A Costanzo, M Dionigi, F Mastri, M Mongiardo… - Wireless Power …, 2014 - cambridge.org
Magnetic-resonant wireless power transfer (MRWPT) has been typically realized by using
systems of coupled resonators. In this paper, we introduce a rigorous network modeling of …

[PDF][PDF] Effects of coil locations on wireless power transfer via magnetic resonance coupling

X Shi, C Qi, M Qu, S Ye, G Wang - Applied Computational …, 2016 - researchgate.net
Abstract─ The coil locations have strong impacts on efficiency, resonant frequency and
bandwidth in the wireless power transfer (WPT) system with four coil resonators, which is a …