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Conference Paper
Performance Analysis of Single Coil and Multi-Coil with Same Cross-Sectional Area
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- Authors
- Sang-Won Kim, Jung-Ick Moon, Seong-Min Kim, Gwangzeen Ko, In-Kui Cho
- Issue Date
- 2022-10
- Citation
- International Conference on Information and Communication Technology Convergence (ICTC) 2022, pp.2048-2050
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- In a wireless power transmission system used in a dynamic environment, the performance comparison between a single coil system and a multi-coil system with the same cross-sectional area is described by measuring the magnitude and efficiency of the rectified voltage according to the position of the receiving coil. The cross-sectional area and number of turns of the coils are designed identically. Experimental results show that the multi-coil system with optimized current ratio improved the rectified voltage and power transfer efficiency compared to a single coil. However, as the separation distance increases, there is a problem that the power transfer efficiency is lower than that of a single coil.
- KSP Keywords
- Cross-sectional area(CSA), Current ratio, Dynamic Environment, Number of turns, Performance analysis, Performance comparison, Power Transfer Efficiency, Separation distance, Wireless Power Transmission System, coil system, multi-coil