Title :
Pulse frequency modulation with soft-switching flyback single-stage inverter
Author :
Tian, Feng ; Chen, Frank ; Rustom, Khalid ; Batarseh, Issa
Author_Institution :
Univ. of Central Florida, Orlando, FL, USA
Abstract :
A Pulse Frequency Modulation (PFM) with Zero-Current-Switching (ZCS) flyback inverter is proposed in this paper. By using half-wave quasi-resonant ZCS flyback resonant converter and PFM control, this topology significantly alleviates switching losses. A detailed analysis revealed nonlinearity in the power stage when the secondary side inductance gets smaller. A modified structure with a secondary side MOSFET is also proposed to solve this issue. Finally, the experimental results of 250W converter are provided.
Keywords :
Frequency modulation; Inductance; Pulse inverters; Pulse modulation; Resonance; Resonant inverters; Switching converters; Switching loss; Topology; Zero current switching;
Conference_Titel :
Telecommunications Energy Conference (INTELEC), 32nd International
Conference_Location :
Orlando, FL, USA
Print_ISBN :
978-1-4244-3383-4
Electronic_ISBN :
978-1-4244-3384-1
DOI :
10.1109/INTLEC.2010.5525649
