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지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국전자파학회JEES Journal of Electromagnetic Engineering And Science Journal of The Korea Electromagnetic Engineering Society Vol.11 No.3
- 발행연도
- 2011.9
- 수록면
- 161 - 165 (5page)
이용수
초록· 키워드
오류제보하기
In this paper, a high-efficiency DC-AC converter is used for wireless energy transmission. The DC-AC convertter is implemented by combining the oscillator and power amplifier. Given that the conversion efficiency of a DC-AC converter is strongly affected by the efficiency of the power amplifier, a high-efficiency power amplifier is implemented using a class-E amplifier structure. Also, because of the low output power of the oscillator connected to the input stage of the power amplifier, a high-gain two-stage power amplifier using a drive amplifier is used to realize a high-output power DC-AC converter. The high-efficiency DC-AC converter is realized by connecting the oscillator to the input stage of the high-gain high-efficiency two-stage class-E power amplifier. The output power and the conversion efficiency of the DC-AC converter are 40.83 ㏈m and 87.32 %, respectively, at an operation frequency of 13.56 ㎒.
목차
Abstract
Ⅰ. Introduction
Ⅱ. Principles of a Class-E Power Amplifier
Ⅲ. Simulation Results for a Two-Stage Class-E Power Amplifier
Ⅳ. Fabrication and Measurement Results of the Two-Stage Class-E Power Amplifier
Ⅴ. Fabrication and Measurement Results for the High-Efficiency DC-AC Converter
Ⅵ. Conclusion
References
참고문헌 (8)
참고문헌 신청
1. [학술지(정기간행물)] - A. Kurs / 2007 / Wireless power transfer via strongly coupled magnetic resonances / Science 317 : 83 ~ 86
2. [학술지(정기간행물)] - A. Karalis / 2008 / Efficient wireless non-radiative mid-range energy transfer / Annals of Physics 323 (1) : 34 ~ 48
3. [학술지(정기간행물)] - B. L. Cannon / 2009 / Magnetic resonant coupling as a potential means for wireless power transfer to multiple small receivers / IEEE Transactions on Power Electronics 24 (7) : 1819 ~ 1825
4. [단행본] - S. C. Cripps / 1999 / RF Power Amplifiers for Wireless Communications / Artech House
5. [단행본] - A. Grebennikov / 2007 / Switchmode RF Power Amplifiers / Newnes
2. [학술지(정기간행물)] - A. Karalis / 2008 / Efficient wireless non-radiative mid-range energy transfer / Annals of Physics 323 (1) : 34 ~ 48
3. [학술지(정기간행물)] - B. L. Cannon / 2009 / Magnetic resonant coupling as a potential means for wireless power transfer to multiple small receivers / IEEE Transactions on Power Electronics 24 (7) : 1819 ~ 1825
4. [단행본] - S. C. Cripps / 1999 / RF Power Amplifiers for Wireless Communications / Artech House
5. [단행본] - A. Grebennikov / 2007 / Switchmode RF Power Amplifiers / Newnes
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