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Sponsored by the Center for Science and Technology Development of the Ministry of Education
Supervised by Ministry of Education of the People's Republic of China
An Improved Large-Signal Model of Downstream DC/DC Converters for Front-End PFC Rectifier Design and Its Verification by Computer Simulation
Runxin Wang * #,Jinjun Liu
School of Electrical Engineering, Xi’an Jiaotong University
*Correspondence author
#Submitted by
Subject:
Funding:
教育部博士点基金(No.20040698061)
Opened online: 8 January 2008
Accepted by:
none
Citation: Runxin Wang,Jinjun Liu.An Improved Large-Signal Model of Downstream DC/DC Converters for Front-End PFC Rectifier Design and Its Verification by Computer Simulation[OL]. [ 8 January 2008] http://en.paper.edu.cn/en_releasepaper/content/17846
This paper applied the whole modeling process of the large-signal model to an UCC3802-controlled forward DC/DC converter, which was fed by an UC3854-controlled PFC rectifier, and also contributed some improvements to the definition of this model. Simulation results showed that the improved large-signal model was accurate enough in treating the large-signal transient process and it was also more efficient in computer simulation.