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Conference Paper Design of Resonator for Wireless Charging System with Expanded Charging Area
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Authors
Sang-Won Kim, In-Kui Cho, Sung-Yong Hong
Issue Date
2017-11
Citation
Progress in Electromagnetics Research Symposium (PIERS) 2017 in Singapore, pp.2373-2375
Language
English
Type
Conference Paper
DOI
https://dx.doi.org/10.1109/PIERS-FALL.2017.8293534
Project Code
17ZR1600, Development of wireless E-zone and multi-dimensional energy integrated technology, Cho In Kui
Abstract
This work proposes a novel transmitting and receiving coil structure that can be charged and maintained in efficiency regardless of the position of the transmitting coil on the plane at a certain distance when a transmitting coil having a relatively large area is used as compared with the receiving coil. In generally, the spiral or helical type transmitting coil has a reduced magnetic density as it goes toward the center, so that the rectified voltage and efficiency are decreased at the same time. So the novel structure of transmitting coil and dual receiving coil are proposed in this paper can generate a uniform system efficiency on the charging area, enabling wireless charging regardless of the position of the receiving coil.
KSP Keywords
System Efficiency, Wireless Charging System, charging area, large area, magnetic density, receiving coil, transmitting coil