Journal ArticleDOI
Design considerations for a contactless electric vehicle battery charger
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This paper overviews theoretical and practical design issues related to inductive power transfer systems and verifies the developed theory using a practical electric vehicle battery charger.Abstract:
This paper overviews theoretical and practical design issues related to inductive power transfer systems and verifies the developed theory using a practical electric vehicle battery charger. The design focuses on the necessary approaches to ensure power transfer over the complete operating range of the system. As such, a new approach to the design of the primary resonant circuit is proposed, whereby deviations from design expectations due to phase or frequency shift are minimized. Of particular interest are systems that are neither loosely nor tightly coupled. The developed solution depends on the selected primary and secondary resonant topologies, the magnetic coupling coefficient, and the secondary quality factor.read more
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Journal ArticleDOI
A comprehensive assessment of the techno-socio-economic research growth in electric vehicles using bibliometric analysis.
TL;DR: In this paper, a bibliometric analysis of 10,426 publications from the year 1989 to 2020, obtained from Web of Science™ (WoS) core collection (CC), was performed to identify the leading nations, institutes, authors, and journals performing research related to EVs.
Proceedings ArticleDOI
A wireless energy transceiver based on induction heating equipment
Stanimir Valtchev,Rui Neves-Medeiros,Anastassia Krusteva,George Gigov,Plamen Hristov Avramov +4 more
TL;DR: In this article, a contactless energy transmitter/receiver set is designed and its electrical parameters are tested varying the working frequency in the kHz range and the transceiver's distance.
Proceedings ArticleDOI
An Onboard Magnetic Integration-Based WPT System for UAV Misalignment-Tolerant Charging With Constant Current Output
TL;DR: In this paper , an onboard magnetic integration-based wireless power transfer (WPT) system for misalignment-tolerant and stable charging of UAVs with a lightweight and compact receiver (Rx).
Proceedings ArticleDOI
A Novel Method for Online Coupling Factor Determination in Inductive Power Transfer Systems
TL;DR: In this paper, a relation between the coupling factor and the transient response of a system is discovered, and the overshoot duration and the envelope of the current show a dependence on design frequency and coupling factor only.
Proceedings Article
Evaluation of electromagnetic field radiation from wireless power transfer electric vehicle
TL;DR: In this article, the electromagnetic field radiation from wireless power transfer electric vehicles is discussed and the current spectrum was extracted using the circuit simulation with an equivalent circuit model, and 3D EM simulation has been done.
References
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Journal ArticleDOI
Stability and control of inductively coupled power transfer systems
TL;DR: In this paper, inductively coupled power transmission (ICPT) is used for transferring power from an extended loop (track) to a number of galvanically isolated movable pickup coils.
Journal ArticleDOI
A contactless electrical energy transmission system for portable-telephone battery chargers
Yungtaek Jang,Milan M. Jovanovic +1 more
TL;DR: The proposed technique enables the implementation of high-efficiency high-power-density fully regulated fully regulated CEET systems suitable for applications with a wide input and load range.
Journal ArticleDOI
An energy transmission system for an artificial heart using leakage inductance compensation of transcutaneous transformer
G.B. Joung,Bo-Hyung Cho +1 more
TL;DR: In this paper, a transcutaneous transformer to power an artificial heart through intact skin has been designed and built in order to realize both high-voltage gain and minimum circulating current.
Journal ArticleDOI
A noncontact charger using a resonant converter with parallel capacitor of the secondary coil
TL;DR: In this article, a noncontact charging system using a resonant converter is presented, where the power transfer ability of a detachable transformer is improved by using a parallel capacitor connected to the secondary coil.
Proceedings ArticleDOI
Design of loosely coupled inductive power transfer systems
O.H. Stielau,Grant A. Covic +1 more
TL;DR: In this paper, a design methodology for loosely coupled inductive power transfer systems is proposed, where the level of compensation, as well as possible compensation topologies, are discussed in the design process.