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
- 2019.1
- 수록면
- 190 - 200 (11page)
이용수
초록· 키워드
오류제보하기
The flyback converter, which can be regarded as a nonlinear time-varying system, has complex dynamics and nonlinear behaviors. These phenomena can affect the stability of the converter. To simplify the modeling process and retain the information of the output capacitor branch, a special sampled-data model of a peak current-mode (PCM) controlled flyback converter is established in this paper. Based on this, its dynamic behaviors are analyzed, which provides guidance for designing the circuit parameters of the converter. With the critical stability boundary equation derived by a Jacobian matrix, the stable operation range with a varied output capacitor, proportional coefficient of error the amplifier, input voltage, reference voltage and slope of the compensation ramp of a PCM controlled flyback converter are investigated in detail. Research results show that the duty ratio should be less than 0.5 for a PCM controlled flyback converter without ramp compensation to operate in a stable state. The stability regions in the parameter space between the output capacitor and the proportional coefficient of the error amplifier are enlarged by increasing the input voltage or by decreasing the reference voltage. Furthermore, the ramp compensation also can extend to the stable region. Finally, time-domain simulations and experimental results are presented to verify the theoretical analysis results.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. SAMPLED-DATA MODELING OF A PCM CONTROLLED FLYBACK CONVERTER WITH RAMP COMPENSATION
Ⅲ. DYNAMIC ANALYSIS
Ⅳ. BOUNDARY EQUATIONS AND OPERATING-STATE REGIONS
Ⅴ. SIMULATION AND EXPERIMENTAL RESULTS
Ⅵ. CONCLUSIONS
REFERENCES
참고문헌 (20)
참고문헌 신청
J. H. B. Deane and D. C. Hamill, “Instability, subharmonics, and chaos in power electronic systems,” IEEE Trans. Power Electron., Vol. 5, No. 3, pp. 260-268, Jul. 1990.
A. E. Aroudi, M. Orabi, R. Haroun, and L. Martinez- Salamero, “Asymptotic slow-scale stability boundary of PFC AC-DC power converters: Theoretical prediction and experimental validation,” IEEE Trans. Power Electron., Vol. 58, No. 8, pp. 3448-3460, Nov. 2010.
F. Q. Wang, H. Zhang, and X. Ma, “Period-doubling bifurcation in two-stage power factor correction converters using the method of incremental harmonic balance and Floquet theory,” Chin. Phys. B, Vol. 21, No. 2, pp. 050501- 050510, Jan. 2012.
J. P. Wang, B. C. Bao, J. P. Xu, G. H. Zhou, and W. Hu, “Dynamical effects of equivalent series resistance of output capacitor in constant on-time controlled Buck converter,” IEEE Trans. Ind. Electron., Vol. 60, No. 5, pp. 1759-1768, May 2013.
J. D. Morcillo, D. Burbano, and F. Angulo, “Adaptive ramp technique for controlling chaos and sub-harmonic oscillations in DC-DC power converters,” IEEE Trans. Power Electron., Vol. 31, No. 7, pp. 5330-5343, Jul. 2016.
A. E. Aroudi, M. Orabi, R. Haroun, and L. Martinez- Salamero, “Asymptotic slow-scale stability boundary of PFC AC-DC power converters: Theoretical prediction and experimental validation,” IEEE Trans. Power Electron., Vol. 58, No. 8, pp. 3448-3460, Nov. 2010.
F. Q. Wang, H. Zhang, and X. Ma, “Period-doubling bifurcation in two-stage power factor correction converters using the method of incremental harmonic balance and Floquet theory,” Chin. Phys. B, Vol. 21, No. 2, pp. 050501- 050510, Jan. 2012.
J. P. Wang, B. C. Bao, J. P. Xu, G. H. Zhou, and W. Hu, “Dynamical effects of equivalent series resistance of output capacitor in constant on-time controlled Buck converter,” IEEE Trans. Ind. Electron., Vol. 60, No. 5, pp. 1759-1768, May 2013.
J. D. Morcillo, D. Burbano, and F. Angulo, “Adaptive ramp technique for controlling chaos and sub-harmonic oscillations in DC-DC power converters,” IEEE Trans. Power Electron., Vol. 31, No. 7, pp. 5330-5343, Jul. 2016.
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