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학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2019.3
- 수록면
- 363 - 379 (17page)
이용수
초록· 키워드
오류제보하기
Resonant converters have attracted a lot of attention because of their high efficiency due to the soft-switching performance. An isolated high step-up converter with secondary-side resonant loops is proposed and analyzed in this paper. By placing the resonant loops on the secondary side, the current stress for the resonant capacitors is greatly reduced. The power loss caused by the equivalent series resistance of the resonant capacitor is also decreased. Clamp diodes in parallel with the resonant capacitors ensure a unique discontinuous current mode in the converter. Under this mode, the active switches can realize soft-switching during both turn-on and turn-off transitions. Meanwhile, the reverse-recovery problems of diodes are also alleviated by the leakage inductor. The converter is essentially a step-up converter. Therefore, it is helpful for decreasing the transformer turn-ratio when it is applied as a high step-up converter. The steady-state operation principle is analyzed in detail and design considerations are presented in this paper. Theoretical conclusions are verified by experimental results obtained from a 500W prototype with a 35V-42V input and a 400V output.
목차
Abstract
I. INTRODUCTION
II. REVIEW OF THE LC-DP CONVERTER
III. IMPROVED TOPOLOGY AND ITS CORRESPONDING OPERATION PRINCIPLE
IV. STEADY-STATE ANALYSIS OF THE LC-DS CONVERTER UNDER THE DCM
V. DESIGN CONSIDERATIONS FOR THE LC-DS CONVERTER
VI. EXPERIMENTAL VERIFICATION
VII. CONCLUSIONS
REFERENCES
참고문헌 (30)
참고문헌 신청
L. S. Yang and C. C. Lin, “Analysis and implementation of a DC-DC converter for hybrid power supplies systems,” J. Power Electron., Vol.15, No.6, pp. 1438-1445, Nov. 2015.
K. I. Hwu and W. Z. Jiang, “An isolated high step-up converter with non-pulsating input current for renewable energy applications,” J. Power Electron., Vol. 16, No. 4, pp. 1277-1287, Jul. 2016.
D. H. Kim, H. W. Kim, J. H. Park, and H. J. Jeon, “High efficiency high-step-up single-ended DC?DC converter with small output voltage ripple,” J. Power Electron., Vol. 15, No. 6, pp. 1468-1479, Nov. 2015.
J. Y. Lee, Y. S. Jeong, and B. M. Han, “An isolated DC/DC converter using high-frequency unregulated LLC resonant converter for fuel cell applications,” IEEE Trans. Ind. Electron., Vol. 58, No. 7, pp. 2926-2934, July 2011.
Z. Yao and L. Xiao, “Family of zero-voltage-switching unregulated isolated step-up DC-DC converters,” IET Power Electron., Vol. 6, No. 5, pp. 862-868, May 2013.
K. I. Hwu and W. Z. Jiang, “An isolated high step-up converter with non-pulsating input current for renewable energy applications,” J. Power Electron., Vol. 16, No. 4, pp. 1277-1287, Jul. 2016.
D. H. Kim, H. W. Kim, J. H. Park, and H. J. Jeon, “High efficiency high-step-up single-ended DC?DC converter with small output voltage ripple,” J. Power Electron., Vol. 15, No. 6, pp. 1468-1479, Nov. 2015.
J. Y. Lee, Y. S. Jeong, and B. M. Han, “An isolated DC/DC converter using high-frequency unregulated LLC resonant converter for fuel cell applications,” IEEE Trans. Ind. Electron., Vol. 58, No. 7, pp. 2926-2934, July 2011.
Z. Yao and L. Xiao, “Family of zero-voltage-switching unregulated isolated step-up DC-DC converters,” IET Power Electron., Vol. 6, No. 5, pp. 862-868, May 2013.
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