Subscribe Now Subscribe Today
Science Alert
Curve Top
Journal of Applied Sciences
  Year: 2014 | Volume: 14 | Issue: 15 | Page No.: 1720-1727
DOI: 10.3923/jas.2014.1720.1727
Facebook Twitter Digg Reddit Linkedin StumbleUpon E-mail

Research ZVS Synchronous Rectification of Resonant Converter

Xiao Kui Li

In order to expand the application of synchronous rectification, the technology using ZVS synchronous rectifier is studied which is based on the IPT resonant converter. By using its own resonant characteristic, a novel control method that AC-DC section of the resonant converter works in ZVS SR state is proposed in this study. First of all, the ZVS working operation of SR is analyzed and equivalent circuits for each operation mode are also given. On that basis, the novel control method is proposed. Then, according to the differential equations of equivalent circuit, the state space model is established. In order to make full-bridge SR network of the secondary circuit work in ZVS state, the ZVS operating point can be obtained by solving the fixed point function which is based on the state space model and stroboscopic mapping method. Moreover, operating principle of control circuit for ZVS SR is also presented. Finally, experimental results verify the effectiveness of control method proposed in this study.
PDF Fulltext XML References Citation Report Citation
How to cite this article:

Xiao Kui Li , 2014. Research ZVS Synchronous Rectification of Resonant Converter. Journal of Applied Sciences, 14: 1720-1727.

DOI: 10.3923/jas.2014.1720.1727






Curve Bottom