Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/25186
Title: Comparative study of bifurcation in single and parallel-connected buck converters under current-mode control : disappearance of period-doubling
Authors: Iu, HHC
Tse, CK 
Dranga, O
Issue Date: 2005
Source: Circuits, systems and signal processing, 2005, v. 24, no. 2, p. 201-219
Abstract: This paper studies a single buck converter and a system of parallel-connected dc/dc buck converters under current-mode control. The effects of variations of the reference current are studied. It has been observed that the system exhibits low-frequency bifurcation behaviour while period-doubling at switching frequency is suppressed. Extensive simulations are used to capture the behaviour. Time domain waweforms, stroboscopic maps, and trajectories are shown. The paper reveals the drastic alteration of bifurcation behaviour of dc/dc converters due to subtle coupling.
Keywords: Bifurcation
Instability
Parallel-connected dc/dc converters
Publisher: Birkhäuser
Journal: Circuits, systems and signal processing 
ISSN: 0278-081X
EISSN: 1531-5878
DOI: 10.1007/s00034-004-0420-9
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