Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/11992
Title: Effects of interleaving on the bifurcation behaviour of parallel-connected buck converters
Authors: Iu, HHC
Tse, CK 
Lai, YM 
Keywords: DC-DC power convertors
Bifurcation
Feedback
Stability criteria
Issue Date: 2002
Publisher: IEEE
Source: 2002 IEEE International Conference on Industrial Technology, 2002 : IEEE ICIT '02, 11-14 December 2002, v. 2, p. 1072-1077 How to cite?
Abstract: This paper studies the effect of interleaving operation on the bifurcation behaviour in a system of parallel-connected DC/DC buck converters. Simulations and analysis are presented for both the cases of interleaving operation and synchronous operation. It is found that variation of the voltage feedback gains leads to period-doubling bifurcation. Interleaving operation will discourage the occurrence of this bifurcation by widening the stable region. Also, variation of output capacitance, load or switching period leads to Neimark-Sacker bifurcation. Interleaving operation will make this bifurcation more likely to occur by narrowing the stable region. Bifurcation boundaries of stable period-1 operation in the two cases are located and compared.
URI: http://hdl.handle.net/10397/11992
ISBN: 0-7803-7657-9
DOI: 10.1109/ICIT.2002.1189320
Appears in Collections:Conference Paper

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