Design of a PFC AC/DC flyback converter for low voltage applications

Design of a PFC AC/DC flyback converter for low voltage applications

This paper presents an appropriate design scheme for a high-efficiency high-power-factor AC/DC flyback converter with low output voltage. For this purpose the voltage and current stresses as well as the power losses on the switches are going to be analytically calculated. The whole theoretical analy...

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Hauptverfasser: Papanikolaou, N.P., Tatakis, E.C., Kyritsis, A.C.
Format: Tagungsbericht
Sprache:eng
Schlagworte:
Analog-digital conversion
Application software
Circuit topology
Design
Efficiency
Electromagnetic interference
Laboratories
Low voltage
Power factor correction
Power semiconductor switches
Reactive power
Stress
Switched-mode power supply
Telecommunication network topology
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Beschreibung
Zusammenfassung:This paper presents an appropriate design scheme for a high-efficiency high-power-factor AC/DC flyback converter with low output voltage. For this purpose the voltage and current stresses as well as the power losses on the switches are going to be analytically calculated. The whole theoretical analysis concludes to a design criterion concerning the selection of the transformer turns ratio, so as to minimize the semiconductor losses. Finally, simulation and experimental results are presented, validating the theoretical analysis and the proposed design scheme
DOI:10.1109/EPE.2005.219550