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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
- 2016.9
- 수록면
- 1,629 - 1,638 (10page)
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초록· 키워드
오류제보하기
Differential power processing (DPP) systems are among the most effective architectures for photovoltaic (PV) power systems because they are highly efficient as a result of their distributed local maximum power point tracking ability, which allows the fractional processing of the total generated power. However, DPP systems require a high-efficiency, high step-up/down bidirectional converter with broad operating ranges and galvanic isolation. This study proposes a single, magnetic, high-efficiency, high step-up/down bidirectional DC–DC converter. The proposed converter is composed of a bidirectional flyback and a bidirectional isolated switched-capacitor cell, which are competitively cheap. The output terminals of the flyback converter and switched-capacitor cell are connected in series to obtain the voltage step-up. In the reverse power flow, the converter reciprocally operates with high efficiency across a broad operating range because it uses hard switching instead of soft switching. The proposed topology achieves a genuine on–off interleaved energy transfer at the transformer core and windings, thus providing an excellent utilization ratio. The dynamic characteristics of the converter are analyzed for the controller design. Finally, a 240 W hardware prototype is constructed to demonstrate the operation of the bidirectional converter under a current feedback control loop. To improve the efficiency of a PV system, the maximum power point tracking method is applied to the proposed converter.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. BIDIRECTIONAL ISOLATED SWITCHED-CAPACITOR FLYBACK (BISCF) CONVERTER
Ⅲ. DYNAMIC CHARACTERISTIC ANALYSIS
Ⅳ. EXPERIMENTAL RESULTS
Ⅴ. CONCLUSIONS
REFERENCES
참고문헌 (33)
참고문헌 신청
[학술지(정기간행물)] - P. S. Shenoy / 2013 / Differential Power Processing for Increased Energy Production and Reliability of Photovoltaic Systems / IEEE Trans. Power Electron 28 (6) : 2968 ~ 2979
[학술대회논문] - H. Zhou / 2012 / PV balancers : Concept, architectures, and realization / Proc. IEEE Energy Convers. Congr. Expo. : 3749 ~ 3755
[학술지(정기간행물)] - L. F. L. Villa / 2013 / A power electronics equalizer application for partially shaded photovoltaic modules / IEEE Trans. Ind. Electron 60 (3) : 1179 ~ 1190
[학술대회논문] - S. Ben-Yaakov / 2012 / Design and evaluation of a modular resonant switched capacitors equalizer for PV panels / Proc. IEEE Energy Convers. Congr. Expo. : 4129 ~ 4136
[학술대회논문] - C. Schaef / 2013 / A coupledinductormulti-level ladder converter for sub-module PV power management / Proc. IEEE Appl. Power Electron. Conf. : 732 ~ 737
[학술대회논문] - H. Zhou / 2012 / PV balancers : Concept, architectures, and realization / Proc. IEEE Energy Convers. Congr. Expo. : 3749 ~ 3755
[학술지(정기간행물)] - L. F. L. Villa / 2013 / A power electronics equalizer application for partially shaded photovoltaic modules / IEEE Trans. Ind. Electron 60 (3) : 1179 ~ 1190
[학술대회논문] - S. Ben-Yaakov / 2012 / Design and evaluation of a modular resonant switched capacitors equalizer for PV panels / Proc. IEEE Energy Convers. Congr. Expo. : 4129 ~ 4136
[학술대회논문] - C. Schaef / 2013 / A coupledinductormulti-level ladder converter for sub-module PV power management / Proc. IEEE Appl. Power Electron. Conf. : 732 ~ 737
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UCI(KEPA) : I410-ECN-0101-2017-560-001109686