Buck quasi-resonant converter operating at constant frequency: analysis, design, and experimentation

Buck quasi-resonant converter operating at constant frequency: analysis, design, and experimentation

A buck pulsewidth modulated zero-current switching quasi-resonant converter (buck PWM ZCS QRC) operating at constant frequency is discussed. Operating principle and design-oriented analysis are presented with normalized design curves, design procedure, design example, simulations, and experimental r...

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Veröffentlicht in:IEEE transactions on power electronics 1990-07, Vol.5 (3), p.276-283
Hauptverfasser: Barbi, I., Bolacell, J.C.O., Martins, D.C., Libano, F.B.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Diodes
Electrical engineering. Electrical power engineering
Exact sciences and technology
Frequency conversion
Frequency modulation
Power electronics, power supplies
Pulse width modulation
Pulse width modulation converters
Resonance
RLC circuits
Switches
Switching converters
Zero current switching
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Beschreibung
Zusammenfassung:A buck pulsewidth modulated zero-current switching quasi-resonant converter (buck PWM ZCS QRC) operating at constant frequency is discussed. Operating principle and design-oriented analysis are presented with normalized design curves, design procedure, design example, simulations, and experimental results. The new topology, which can be considered as a particular one, is compared with the well-established buck frequency-modulated zero-current switching quasi-resonant converter (buck FM ZCS QRC) proposed by Fred C. Lee (1988).< >
ISSN:0885-8993
1941-0107
DOI:10.1109/63.56518