Comparative study of bifurcation in single and parallel-connected buck converters under current-mode control: disappearance of period-doubling
Iu, H. H. C., Tse, C. K., and Dranga, O. (2005) Comparative study of bifurcation in single and parallel-connected buck converters under current-mode control: disappearance of period-doubling. Circuits, Systems, and Signal Processing, 24 (2). pp. 201-219.
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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 waveforms, stroboscopic maps, and trajectories are shown. The paper reveals the drastic alteration of bifurcation behaviour of dc/dc converters due to subtle coupling.
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|Keywords:||Bifurcation, Instability, Parallel connected dc/dc converters|
|FoR Codes:||09 ENGINEERING > 0906 Electrical and Electronic Engineering @ 0%|
|Deposited On:||17 Oct 2006|
|Last Modified:||19 Sep 2011 13:20|
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