An isolated high step-up forward/flyback active-clamp converter with output voltage lift

P. H. Kuo; T. J. Liang; K. C. Tseng; J. F. Chen; S. M. Chen

doi:10.1109/ECCE.2010.5617973

An isolated high step-up forward/flyback active-clamp converter with output voltage lift

P. H. Kuo, T. J. Liang, K. C. Tseng, J. F. Chen, S. M. Chen

Department of Electrical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

20 Citations (Scopus)

Abstract

This paper presents an isolated high step-up forward/flyback active-clamp converter with output voltage lift. In order to obtain high step-up voltage gain, the output voltage lift is adopted. The characteristics of the output voltage lift are similar to the forward converter in the charging mode and the flyback converter in the discharging mode. The active-clamp circuit is employed to recycle the leakage-inductance energy of the forward/flyback transformer and to suppress the voltage stress on the switch. By utilizing the active-clamp circuit, both primary and auxiliary switches can achieve zero-voltage-switching (ZVS), thus improving the efficiency of the proposed converter. Finally, a prototype circuit with 24-V input voltage, 200-V output voltage, and 400-W output power is implemented to verify the performance.

Original language	English
Title of host publication	2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings
Pages	542-548
Number of pages	7
DOIs	https://doi.org/10.1109/ECCE.2010.5617973
Publication status	Published - 2010 Dec 20
Event	2010 2nd IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Atlanta, GA, United States Duration: 2010 Sep 12 → 2010 Sep 16

Publication series

Name	2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings

Other

Other	2010 2nd IEEE Energy Conversion Congress and Exposition, ECCE 2010
Country	United States
City	Atlanta, GA
Period	10-09-12 → 10-09-16

All Science Journal Classification (ASJC) codes

Energy Engineering and Power Technology
Renewable Energy, Sustainability and the Environment

Access to Document

10.1109/ECCE.2010.5617973

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Kuo, P. H., Liang, T. J., Tseng, K. C., Chen, J. F., & Chen, S. M. (2010). An isolated high step-up forward/flyback active-clamp converter with output voltage lift. In 2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings (pp. 542-548). [5617973] (2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings). https://doi.org/10.1109/ECCE.2010.5617973

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title = "An isolated high step-up forward/flyback active-clamp converter with output voltage lift",

abstract = "This paper presents an isolated high step-up forward/flyback active-clamp converter with output voltage lift. In order to obtain high step-up voltage gain, the output voltage lift is adopted. The characteristics of the output voltage lift are similar to the forward converter in the charging mode and the flyback converter in the discharging mode. The active-clamp circuit is employed to recycle the leakage-inductance energy of the forward/flyback transformer and to suppress the voltage stress on the switch. By utilizing the active-clamp circuit, both primary and auxiliary switches can achieve zero-voltage-switching (ZVS), thus improving the efficiency of the proposed converter. Finally, a prototype circuit with 24-V input voltage, 200-V output voltage, and 400-W output power is implemented to verify the performance.",

author = "Kuo, {P. H.} and Liang, {T. J.} and Tseng, {K. C.} and Chen, {J. F.} and Chen, {S. M.}",

year = "2010",

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Kuo, PH, Liang, TJ, Tseng, KC, Chen, JF & Chen, SM 2010, An isolated high step-up forward/flyback active-clamp converter with output voltage lift. in 2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings., 5617973, 2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings, pp. 542-548, 2010 2nd IEEE Energy Conversion Congress and Exposition, ECCE 2010, Atlanta, GA, United States, 10-09-12. https://doi.org/10.1109/ECCE.2010.5617973

An isolated high step-up forward/flyback active-clamp converter with output voltage lift. / Kuo, P. H.; Liang, T. J.; Tseng, K. C.; Chen, J. F.; Chen, S. M.

2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings. 2010. p. 542-548 5617973 (2010 IEEE Energy Conversion Congress and Exposition, ECCE 2010 - Proceedings).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

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N2 - This paper presents an isolated high step-up forward/flyback active-clamp converter with output voltage lift. In order to obtain high step-up voltage gain, the output voltage lift is adopted. The characteristics of the output voltage lift are similar to the forward converter in the charging mode and the flyback converter in the discharging mode. The active-clamp circuit is employed to recycle the leakage-inductance energy of the forward/flyback transformer and to suppress the voltage stress on the switch. By utilizing the active-clamp circuit, both primary and auxiliary switches can achieve zero-voltage-switching (ZVS), thus improving the efficiency of the proposed converter. Finally, a prototype circuit with 24-V input voltage, 200-V output voltage, and 400-W output power is implemented to verify the performance.

AB - This paper presents an isolated high step-up forward/flyback active-clamp converter with output voltage lift. In order to obtain high step-up voltage gain, the output voltage lift is adopted. The characteristics of the output voltage lift are similar to the forward converter in the charging mode and the flyback converter in the discharging mode. The active-clamp circuit is employed to recycle the leakage-inductance energy of the forward/flyback transformer and to suppress the voltage stress on the switch. By utilizing the active-clamp circuit, both primary and auxiliary switches can achieve zero-voltage-switching (ZVS), thus improving the efficiency of the proposed converter. Finally, a prototype circuit with 24-V input voltage, 200-V output voltage, and 400-W output power is implemented to verify the performance.

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