Utilization of an active-clamp circuit to achieve soft switching in flyback converters

IEEE Transactions on Power Electronics

Volumn 11, Issue 1, 1996, Pages 162-169

  Watson, Robert ^a,b   Lee, Fred C ^a,b   Hua, Guichao C ^b  

^a IEEE

^b State University   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ELECTRIC LOSSES; ELECTRIC NETWORK ANALYSIS; ELECTRIC NETWORK SYNTHESIS; ELECTRIC NETWORK TOPOLOGY; ELECTRIC RECTIFIERS; ELECTRIC SWITCHES; ELECTRIC TRANSFORMERS; LEAKAGE CURRENTS; SWITCHING; SWITCHING FUNCTIONS;

ACTIVE CLAMP CIRCUIT; FLYBACK CONVERTERS; MAGNETIZING CURRENT; SOFT SWITCHING; SWITCHING LOSSES; SWITCHING NOISE; UNDIRECTIONAL MAGNETIZING CURRENT; VOLTAGE STRESS; ZERO VOLTAGE SWITCHING;

POWER CONVERTERS;

EID: 0029760813     PISSN: 08858993     EISSN: None     Source Type: Journal    
DOI: 10.1109/63.484429     Document Type: Article

References (8)

1. C. Henze, H. Martin, and D. Parsley, "Zero-voltage switching in high frequency power converters using pulse width modulation," in Proc. 3rd Ann. Appl. Power Electron. Conf., 1988, pp. 33-40.
2. H. Martin, "Topology for miniature power supply with low voltage and low ripple requirements," U.S. Patent 4618919.
3. K. Yoshida, T. Ishii, and N. Nagagata, "Zero voltage switching approach for flyback converter," in Proc. 14th Int. Telecomm. Energy Conf., 1992, pp. 324-329.
4. W. Tang, E. Yang, and F. Lee, "Loss comparison and subharmonic issue on flyback power factor correction circuit," in Proc. 11th Annu. VPEC Power Electron. Sem., 1993, pp. 125-131.
5. R. Watson, G. Hua, and F. Lee, "Characterization of an active clamp flyback topology for power factor correction applications," in Proc. 9th Ann. Appl. Power Electron. Conf., 1994, pp. 412-418.
6. K. Harada and H. Sakamoto, "Switched snubber for high frequency switching," in Proc. Power Electron. Spec. Conf., 1990, pp. 181-187.
7. B. Carsten, "Design techniques for transformer active reset circuits at high frequency and power levels," in High Freq. Power Conversion Conf. Proc., 1990, pp. 235-245.
8. C. Leu, G. Hua, and F. Lee, "Comparison of forward topologies with various reset schemes," in Proc. 9th Ann. VPEC Power Electron. Sem., 1991, pp. 101-109.