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논문 기본 정보

자료유형
학술저널
저자정보
Yu-Kyeong Lee (조선대학교) In-Sung Jeong (조선대학교) Jun-Won Hwang (조선대학교) Hyo-Sang Choi (조선대학교)
저널정보
대한전기학회 전기학회논문지 전기학회논문지 제65권 제4호
발행연도
2016.4
수록면
684 - 688 (5page)

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초록· 키워드

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The magnetic resonance method requires high quality factor(Q-factor) of resonators. Superconductor coils were used in this study to increase the Q-factor of wireless power transfer(WPT) systems in the magnetic resonance method. The results showed better transfer efficiency compared to copper coils. However, as superconducting coils should be cooled below critical temperatures, they require cooling containers. In this viewpoint, shielding materials for the cooling containers were applied for the analysis of the WPT characteristics. The shielding materials were applied at both ends of the transmitter and receiver coils. Iron, aluminum, and plastic were used for shielding. The electric field distribution and S-parameters (S11, S21) of superconducting coils were compared and analyzed according to the shield materials. As a result, plastic shielding showed better transfer efficiency, while iron and aluminum had less efficiency. Also, the maximum magnetic field distribution of the coils according to the shielding materials was analyzed. It was found that plastic shielding had 5 times bigger power transfer rate than iron or aluminum. It is suggested that the reliability of superconducting WPT systems can be secured if plastic is used for the cooling containers of superconducting resonance coils.

목차

Abstract
1. Introduction
2. Experimental Principles and Design
3. Conclusion
References

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UCI(KEPA) : I410-ECN-0101-2016-560-002755446