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Experimental study of bifurcation and chaos in the buck-boost converter

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3 Author(s)
Cheng, K.W.E. ; Dept. of Electr. Eng., Hong Kong Polytech. Univ., China ; Liu, M. ; Wu, J.

Experimental evidence is provided to verify bifurcation and chaos phenomena, which have been analysed and studied in detail in other publications, in a current-mode controlled buck-boost converter which operates at 20 kHz. A discrete model for a buck-boost converter under current-mode control is proposed and used for the study. A good agreement between the theoretical study and experimental results is found.

Published in:

Electric Power Applications, IEE Proceedings -  (Volume:150 ,  Issue: 1 )