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
Citations
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Journal ArticleDOI
A Dual Shunt Inductor Compensated IPT System With Nearly Unity Power Factor for Wide Load Range and Misalignment Tolerance
TL;DR: In this paper , a dual shunt inductor compensation topology with parallel inductors at both ports of the series/series compensation is proposed to maintain nearly unity power factor and implement a wide load range with considering misalignment.
Journal ArticleDOI
Evaluation of Inductive Contactless Power Transfer Outlet with Coaxial Coreless Transformer
TL;DR: In this paper, a contactless outlet for dc distribution systems is proposed, which uses an inductive contactless power transfer circuit with a series/parallel compensation circuit to prevent voltage fluctuation.
Proceedings ArticleDOI
Automatic selection scheme of most efficient operation mode in buck-boost type secondary-side converter for inductive power transfer
Ryosuke Ota,Nobukazu Hoshi +1 more
TL;DR: In this article, the authors proposed an automatic mode selection scheme of the most efficient operation mode in the buck-boost type secondary-side converter for an inductive power transfer according to the input voltage and the output power variations of the converter.
Journal ArticleDOI
Comparison of magnetic coupling structures for IPT systems
TL;DR: In this article, the authors evaluate two magnetic coupling structures and its applicability to EVs charging systems and different simulation and experimental results are analyzed and discussed for both magnetic structures, and the results show that the SU topology is suitable for applications with low voltages sources at the cost of a more...
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.