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Title: A simple large-signal nonlinear modeling approach for fast simulation of zero-current-switch quasi-resonant converters
Authors: Wong, LK
Leung, FHF 
Tam, PKS
Keywords: Modeling
Zero-current-switch quasiresonant converters
Issue Date: May-1997
Publisher: IEEE
Source: IEEE transactions on power electronics, May 1997, v. 12, no. 3, p. 437-442 How to cite?
Journal: IEEE transactions on power electronics 
Abstract: A nonlinear modeling approach for zero-current-switch (ZCS) quasi-resonant converters (QRC) is proposed which can be derived easily using simple analytical techniques. The converter model obtained is readily absorbed by MATLAB for analysis and design of both the open- and closed-loop configurations in fast speed. Simulations have shown its accuracy, even for large-signal transient responses. Applications of this modeling approach to the three basic topologies of buck, boost, and buck-boost converters are given as illustrative examples. The condition for zero-current switching is identified from the model. The feasibility of applying this proposed modeling approach to the extended period QRC topologies is to be discussed. Simulation results for the three basic topologies are given to show the merits of the proposed modeling approach.
ISSN: 0885–8993
DOI: 10.1109/63.575671
Rights: © 1997 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
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