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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
- 201 - 210 (10page)
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초록· 키워드
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This paper proposes a multimode hybrid control strategy that can achieve zero-voltage switching of primary switches and zero-current switching of secondary rectifier diodes in a wide input voltage range for full-bridge LLC resonant converters. When the input voltage is lower than the rated voltage, the converter operates in Mode 1 through the variable-frequency control strategy. When the input voltage is higher than the rated voltage, the converter operates in Mode 2 through the VF and phase-shift control strategy until the switching frequency reaches the upper limit. Then, the converter operates in Mode 3 through the constantfrequency and phase-shift control strategy. The secondary-side diode current will operate in the discontinuous current mode in Modes 1 and 3, whereas it will operate in the boundary current mode in Mode 2. The current RMS value and conduction loss can be reduced in Mode 2. A detailed theoretical analysis of the operation principle, the voltage gain characteristics, and the realization method is presented in this paper. Finally, a 500 W prototype with 100–200 V input voltage and 40 V output voltage is built to verify the feasibility of the multimode hybrid control strategy.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. OPERATION PRINCIPLE OF LLC CONVERTER
Ⅲ. VOLTAGE GAIN CHARACTERISTIC
Ⅳ. MULTIMODE HYBRID CONTROL STRATEGY
Ⅴ. ANALYSIS OF THE CURRET PEAK VALUE
Ⅵ. EXPERIMENTAL RESULTS
Ⅶ. CONCLUSION
REFERENCES
참고문헌 (16)
참고문헌 신청
F. Q. Bo and J. F. Shen, “Z-source resonant DC-DC converter for wide input voltage,” Techniques of Automation & Applications, Vol. 32, No. 10, pp. 46-55, Oct. 2013.
S. L. Du, X. Y. Jia, C. S. Hu, and D. H. Xu, “Characterization of phase shift control of LLC resonant converter,” Power Electronics, Vol. 50, No. 9, pp. 51-53, Sep. 2016.
T. LaBella, W. S. Yu , J.S Lai , M. Senesky, and D. Anderson, “A bidirectional-switch-based wide-input range high-efficiency isolated resonant converter for photovoltaic applications,” IEEE Trans. Power Electron., Vol. 29. No. 7, pp. 3473-3484, Jul. 2014.
D. K. Kim, S. C. Moon, C. O Yeon, and G. W. Moon, “High-efficiency LLC resonant converter with high voltage gain using an auxiliary LC resonant circuit,” IEEE Trans. Power Electron., Vol. 31, No. 10, pp. 6901-6909, Oct. 2016.
Y. Zhang, J. L. Shi, and L. Zhou, “Wide input-voltage range boost three-level DC-DC converter with quasi-Z source for fuel cell vehicles,” IEEE Trans. Power Electron., Vol. 32, No. 9, pp. 6728-6738, Sep. 2017.
S. L. Du, X. Y. Jia, C. S. Hu, and D. H. Xu, “Characterization of phase shift control of LLC resonant converter,” Power Electronics, Vol. 50, No. 9, pp. 51-53, Sep. 2016.
T. LaBella, W. S. Yu , J.S Lai , M. Senesky, and D. Anderson, “A bidirectional-switch-based wide-input range high-efficiency isolated resonant converter for photovoltaic applications,” IEEE Trans. Power Electron., Vol. 29. No. 7, pp. 3473-3484, Jul. 2014.
D. K. Kim, S. C. Moon, C. O Yeon, and G. W. Moon, “High-efficiency LLC resonant converter with high voltage gain using an auxiliary LC resonant circuit,” IEEE Trans. Power Electron., Vol. 31, No. 10, pp. 6901-6909, Oct. 2016.
Y. Zhang, J. L. Shi, and L. Zhou, “Wide input-voltage range boost three-level DC-DC converter with quasi-Z source for fuel cell vehicles,” IEEE Trans. Power Electron., Vol. 32, No. 9, pp. 6728-6738, Sep. 2017.
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