Frequency Adaptive Topology to Realize Constant Output and Soft Switching for the WPT System
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3123471
Abstract: The main emphasis of research for battery wireless charger should be on four parts, including load-independent output to satisfy the charging requirement, zero voltage switching of power devices to increase transmission efficiency, minimum component counts… read more here.
Keywords: frequency; topology; output; load independent ... See more keywords
Design Method of Three-Coil WPT System Based on Critical Coupling Conditions
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Journal of Emerging and Selected Topics in Power Electronics"
DOI: 10.1109/jestpe.2019.2917708
Abstract: It is well known that the power transfer efficiency (PTE) of a two-coil wireless power transfer (WPT) system is maximized at critical coupling under fixed system parameters. However, the two-coil WPT system is critical-coupled with… read more here.
Keywords: coil wpt; wpt system; critical coupling; wpt ... See more keywords
MR-WPT With Reconfigurable Resonator and Ground for Laptop Application
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2018.2802719
Abstract: A magnetic resonance wireless power transfer (MR-WPT) system with a reconfigurable planar receiver (Rx) to optimize transfer efficiency (TE) for laptop application has been investigated. The proposed MR-WPT system consists of a general four-coil system:… read more here.
Keywords: ground; wpt; resonator; coil ... See more keywords
Compact and Efficient WPT System to Embedded Receiver in Biological Tissues Using Cooperative DGS Resonators
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2021.3123954
Abstract: This brief presents a compact and efficient resonance-shift insensitive wireless power transfer (WPT) system. This is possible by using a small electrical length defected ground structure (DGS) resonator, which is found effective against the resonance-shift… read more here.
Keywords: cooperative dgs; wpt system; tissue; wpt ... See more keywords
A Hybrid Control Strategy of LCC-S Compensated WPT System for Wide Output Voltage and ZVS Range With Minimized Reactive Current
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2020.3013788
Abstract: To regulate the output voltage of inductor–capacitor–capacitor-series (LCC-S) compensated wireless power transfer (WPT) system, a hybrid control strategy of phase shift modulation (PSM) and a switch-controlled capacitor is presented in this article. In the proposed… read more here.
Keywords: lcc compensated; wpt system; control; voltage ... See more keywords
Decoupling Control of Double-Side Frequency Tuning for LCC/S WPT System
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Industrial Electronics"
DOI: 10.1109/tie.2022.3224139
Abstract: The parameter fluctuations will lead to the frequency detuning problem of the wireless power transfer (WPT) system, thus affecting the transmission efficiency and output stability. The traditional primary-side frequency tuning method cannot realize the full… read more here.
Keywords: frequency; frequency tuning; wpt system; side frequency ... See more keywords
An MRI Compatible RF MEMs Controlled Wireless Power Transfer System
Sign Up to like & getrecommendations! Published in 2019 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2019.2902554
Abstract: In magnetic resonance imaging (MRI), wearable wireless receive coil arrays are a key technology goal. An MRI compatible wireless power transfer (WPT) system will be needed to realize this technology. An MRI WPT system must… read more here.
Keywords: system; wpt system; mri; power transfer ... See more keywords
A Wireless Power Transfer System With Dual Switch-Controlled Capacitors for Efficiency Optimization
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2019.2950218
Abstract: This article proposes a novel wireless power transfer (WPT) system with switch-controlled capacitor (SCC) where variable capacitance and efficiency optimization are realized. The optimum asymmetrical voltage cancellation (OAVC) control is applied to realize wide-ranging soft-switching… read more here.
Keywords: system; wpt system; wireless power; power transfer ... See more keywords
A Dynamic WPT System With High Efficiency and High Power Factor for Electric Vehicles
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Power Electronics"
DOI: 10.1109/tpel.2019.2957294
Abstract: Dynamic wireless power transfer (WPT) for charging electric vehicles (EVs) overcomes some of the problems associated with EVs battery size and weight as well as distance range limitation and long charging duration. High efficiency and… read more here.
Keywords: system; wpt system; high efficiency; electric vehicles ... See more keywords
Stability Improvement and Overshoot Damping of SS-Compensated EV Wireless Charging Systems With User-End Buck Converters
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Vehicular Technology"
DOI: 10.1109/tvt.2022.3175743
Abstract: The multiple fluctuations, such as grid DC input voltage, mutual inductance and the plug-in and plug-out of battery, may lead to instability and deterioration of dynamic performance of electric vehicle (EV) wireless power transfer (WPT)… read more here.
Keywords: system; overshoot damping; stability improvement; improvement overshoot ... See more keywords
Method for Estimating Optimum Free Resonant Frequencies in Overcoupled WPT System
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Antennas and Propagation"
DOI: 10.1155/2017/1830687
Abstract: In our previous work, we proposed the method to maximize the output power even in the overcoupled state of the wireless power transfer (WPT) system by controlling free resonant frequencies and derived closed-form expression for… read more here.
Keywords: optimum free; resonant frequencies; wpt system; free resonant ... See more keywords