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Envelope model for resonant converters and application in LLC converters

 
: Tian, J.; Petzoldt, J.; Reimann, T.; Scherf, M.; Deboy, G.; Maerz, M.; Berger, G.

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Institute of Electrical and Electronics Engineers -IEEE-:
European Conference on Power Electronics and Applications, EPE 2007 : 2 - 5 September 2007, Aalborg, Denmark
Piscataway, NJ: IEEE Service Center, 2007
ISBN: 90-75815-11-5
ISBN: 978-90-75815-11-5
ISBN: 978-90-7581-510-8 (CD-ROM)
7 pp.
European Conference on Power Electronics and Applications (EPE) <12, 2007, Aalborg>
English
Conference Paper
Fraunhofer IISB ()

Abstract
This paper presents the large and small signal envelope models for switching networks and rectifiers with variable frequency phase-shifted control for resonant converters. The model can be used to quickly perform DC and AC analysis with SPICE-compatible soft tools for a converter with frequency control, duty cycle control and variable frequency and variable control. Then the large signal envelope model of a LLC converter is given, the DC and AC sweep results with PSPICE are presented, by which its characteristic can be analyzed. Finally the verified results are given.

: http://publica.fraunhofer.de/documents/N-170940.html