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논문 기본 정보

자료유형
학술대회자료
저자정보
Hwa-Pyeong Park (Ulsan National Institute of Science and Technology) Sangyeong Jeong (Ulsan National Institute of Science and Technology) Mina Kim (Ulsan National Institute of Science and Technology) Jingook Kim (Ulsan National Institute of Science and Technology) Jee-Hoon Jung (Ulsan National Institute of Science and Technology)
저널정보
전력전자학회 ICPE(ISPE)논문집 ICPE 2019-ECCE Asia
발행연도
2019.5
수록면
2,886 - 2,891 (6page)

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A spread spectrum technique has been introduced to alleviate electromagnetic interference problem in switch mode power converters. In the previous works, the SST has been employed to low power and small size power converters, such as buck, boost, and flyback topologies, because those converters have insensitive voltage gains according to switching frequency variations. However, the resonant converters are hard to apply the spread spectrum technique, because the resonant converter has a sensitive input-output voltage gain according to the variation of switching frequency. In this paper, a half-bridge resonant converter using the asymmetric pulse width modulation and the spread spectrum technique is developed for 100 W offline power supply applications. The design methodology of its resonant tank is designed to obtain tight output voltage regulation performance. The input EMI filter is analyzed to reduce the filter size with and without the spread spectrum technique. The output voltage regulation performance and the filter size reduction are experimentally verified using a 100 W prototype converter.

목차

Abstract
I. INTRODUCTION
II. DESIGN METHODOLOGY
III. EXPERIMENTAL RESULTS
IV. CONCLUSIONS
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