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초록
In this paper, an efficiency improvement method in the wireless power transfer system based on magnetic resonance is proposed. A combined helical-spiral structure is adopted for self-resonant coil and source and device coils are designed using circular loop structure. The proposed resonator utilizing combined helical-spiral structure yields 13 % efficiency improvement over that of an existing helical type resonator when the transmitting and receiving coils are separated by 120 mm. In addition, the size can be reduced by 33 % comparing to the previous resonator.
키워드
Magnetic Resonance Coupling; Wireless Power Transfer(WPT); Helical Coil; Spiral Coil; Litz Wire
- 제목
- 무선 전력 전송용 고효율 공진기 설계
- 제목 (타언어)
- Design of a High Efficiency Resonator for Wireless Power Transfer
- 저자
- 장요한; 권재순; 박재수; 최재훈
- 발행일
- 2011-09
- 저널명
- 한국전자파학회 논문지
- 권
- 22
- 호
- 9
- 페이지
- 820 ~ 826