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[국내논문] Analysis of transmission efficiency of the superconducting resonance coil according the materials of cooling system 원문보기

Progress in superconductivity and cryogenics : PSAC, v.18 no.1, 2016년, pp.46 - 49  

Lee, Yu-Kyeong (Chosun University) ,  Hwang, Jun-Won (Chosun University) ,  Choi, Hyo-Sang (Chosun University)

Abstract AI-Helper 아이콘AI-Helper

The wireless power transfer (WPT) system using a magnetic resonance was based on magnetic resonance coupling of the transmission and the receiver coils. In these system, it is important to maintain a high quality-factor (Q-factor) to increase the transmission efficiency of WPT system. Our research t...

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제안 방법

  • Therefore, solutions for improving the Q-factor value were required [3-6]. To enhance the transmission efficiency of the magnetic resonance method through Q-factor improvements, superconductor coils were applied to this study. The transmission efficiency of the superconductor coil was confirmed to be better than that of the normal conductor coil [7].
  • 1 shows the superconductor coils for WPT system. A cooling system for the superconductor coils were prepared to analyze the shielding effectiveness through HFSS simulation. bakelite, Fiber Reinforced Polymer (FRP), plastic(PVC), aluminum, and iron were the most common superconductor cooling system.
  • The electromagnetic effect and magnetic shield effect of the materials used for the cooling vessel of the superconductor coil, which is used for the magnetic resonance WPT, were analyzed using HFSS in this study. The materials applied to the cooling vessel were FRP, bakelite, PVC, aluminum, and iron that are frequently used for the superconductor cooling vessel.

대상 데이터

  • 3 is the electromagnetic field according the cooling vessel materials. The materials used were FRP, bakelite, PVC, aluminum, iron. The E-field and H-field of the receiver coil when the cooling vessel was applied to the transmitter coil were measured.

이론/모형

  • To secure the practicality of the superconductor resonance coil, studies on shield effectiveness were required. In this study, shielding materials such as bakelite, fiber reinforced polymer (FRP), plastic (PVC), aluminum, and Iron were used for the cooling system through the high-frequency structure simulation (HFSS, Ansys Ltd). The shield effectiveness of these materials were analyzed.
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참고문헌 (10)

  1. Hee-Seung Kim, Do-Hyun Won, Jae-Bong Lim, Byun-Jun Jang, "New design method of wireless power transfer system using loop antennas," The Korean Institute of Power Electronics, vol. 15, no. 6, pp. 27-31, 2010. 

  2. Byun-jun Jang, "Wireless power transfer technology trends and future prospects," The Korean Institute of Power Electronics, vol. 15, no. 6, pp. 27-31, 2010. 

  3. Andre Kurs, AristeidisKaralis, J. D. Joannopoulos, and Marin Soljacic, "Wireless power transfer via strongly coupled magnetic resonances," Science, vol. 317, 5834, pp. 83-86, 2007. 

  4. Seok Bae, Don-Chul Choi, Soon-Young Hyun, and Sang Won Lee, "Electromagnetic wave shielding materials for the wireless power transfer module in mobile handset," Journal of the Korean Magnetics Society, vol. 23, no. 2, pp. 68-76, 2013. 

  5. Y. Yorozu, M. Hirano, K. Oka, and Y. Tagawa, "Electron spectroscopy studies on magneto-optical media and plastic substrate interface," IEEE Transl. J. Magn. Japan, vol. 2, no. 8, pp. 740-741, 1987. 

  6. S. A. Scheliunoff, "The electromagnetic theory of coaxial transmission lines and cylindrical shield," Bell System Technical Journal, vol. 13, no. 4, pp. 532-519, 1934. 

  7. In-Sung Jeong, Hyo-Sang Choi, "Characteristics of wireless power transmission applying the superconducting coil," The Korean Institute Electrical Engineers, vol. 62, no. 6, pp. 762-766, 2013. 

  8. Mi-Kyung Song, Seung-min Hong, Jong-myeong Park, "Coatings material for shielding of electromagnetic wave," Polymer science and technology, vol. 12, no. 5, pp. 689-697, 2001. 

  9. Y. Yorozu, M. Hirano, K. Oka, and Y. Tagawa, "Electron spectroscopy studies on magneto-optical media and plastic substrate interface," IEEE Transl. J. Magn. Japan, Vol. 2, pp. 740-741, 1987. 

  10. Y. K. Lee, H. S. Choi, B. I. Jung, I. S. Jeong, "Characteristics simulation of wireless power transfer system considering shielding distance," Progress in Superconductivity and Cryogenics, vol. 17, no. 1, pp. 40-43, 2015. 

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