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
- 발행연도
- 2019.9
- 수록면
- 1,108 - 1,121 (14page)
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초록· 키워드
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The non-inverting buck-boost converter (NIBB) is a step-up and step-down DC-DC converter suitable for wide-input-voltagerange applications. However, when the input voltage is close to the output voltage, the NIBB needs to operate in the buck-boost mode, causing a significant efficiency reduction since all four switches operates in the PWM mode. Considering both the current stress limitation and the efficiency optimization, a novel design methodology for the optimal phase-shift modulation of a NIBB in the buck-boost mode is proposed in this paper. Since the four switches in the NIBB form two bridges, the shifted phase between the two bridges can serve as an extra degree of freedom for performance optimization. With general phase-shift modulation, the analytic current expressions for every duty ratio, shifted phase and input voltage are derived. Then with the two key factors in the NIBB, the converter efficiency and the switch current stress, taken into account, an objective function with constraints is derived. By optimizing the derived objective function over the full input voltage range, an offline design methodology for the optimal modulation scheme is proposed for efficiency optimization on the premise of current stress limitation. Finally, the designed optimal modulation scheme is implemented on a DSPs and the design methodology is verified with experimental results on a 300V-1.5kW NIBB prototype.
목차
Abstract
I. INTRODUCTION
II. OPERATION PRINCIPLE OF THE NIBB
III. ANALYSIS OF A NIBB WITH PHASE-SHIFT MODULATION
IV. OFFLINE DESIGN METHODOLOGY FOR THEOPTIMAL MODULATION SCHEME
V. SIMULATIONS AND EXPERIMENTAL VERIFICATIONS
VI. CONCLUSION
REFERENCES
참고문헌 (21)
참고문헌 신청
B. Sahu and G. A. Rincon-Mora, “A low voltage, dynamic, noninverting, synchronous buck-boost converter for portable applications,” IEEE Trans. Power Electron., Vol. 19, No. 2, pp. 443-452, Mar. 2004.
M. Kasper, D. Bortis, and J. W. Kolar, “Classification and comparative evaluation of PV panel-integrated DC?DC converter concepts,” IEEE Trans. Power Electron., Vol. 29, No. 5, pp. 2511-2526, May 2014.
L. Callegaro, M. Ciobotaru, V. G. Agelidis, and E. Turano, “A solution for the gain discontinuity issue of the noninverting buck-boost converter,” in Proc. IEEE Annual Conference of the IEEE Industrial Electronics Society, pp. 1245-1250, 2016.
Q. Gu, L. Yuan, J. Nie, J. Sun, and Z. Zhao, “Current stress minimization of dual active bridge DC-DC converter within the whole operating range,” IEEE J. Emerg. Sel. Topics in Power Electron., Vol. 7, No. 1, pp. 129-142, Mar. 2019.
P. C. Huang, W. Q. Wu, H. H. Ho, and K. H. Chen, “Hybrid buck?boost feedforward and reduced average inductor current techniques in fast line transient and high-efficiency buck?boost converter,” IEEE Trans. Power Electron., Vol. 25, No. 3, pp. 719-730, Mar. 2010.
M. Kasper, D. Bortis, and J. W. Kolar, “Classification and comparative evaluation of PV panel-integrated DC?DC converter concepts,” IEEE Trans. Power Electron., Vol. 29, No. 5, pp. 2511-2526, May 2014.
L. Callegaro, M. Ciobotaru, V. G. Agelidis, and E. Turano, “A solution for the gain discontinuity issue of the noninverting buck-boost converter,” in Proc. IEEE Annual Conference of the IEEE Industrial Electronics Society, pp. 1245-1250, 2016.
Q. Gu, L. Yuan, J. Nie, J. Sun, and Z. Zhao, “Current stress minimization of dual active bridge DC-DC converter within the whole operating range,” IEEE J. Emerg. Sel. Topics in Power Electron., Vol. 7, No. 1, pp. 129-142, Mar. 2019.
P. C. Huang, W. Q. Wu, H. H. Ho, and K. H. Chen, “Hybrid buck?boost feedforward and reduced average inductor current techniques in fast line transient and high-efficiency buck?boost converter,” IEEE Trans. Power Electron., Vol. 25, No. 3, pp. 719-730, Mar. 2010.
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