A New Cuk Converter with High Step-Down Ratio and its Control

Jing Wei Hu; Jiu He Wang; Qi Tang

doi:10.4028/www.scientific.net/AMM.571-572.1053

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 571-572A New Cuk Converter with High Step-Down Ratio and...

A New Cuk Converter with High Step-Down Ratio and its Control

Abstract:

A new Cuk converter with high step-down ratio was proposed. The operating principle and operating mode of the new Cuk converter were analyzed in detail and the EL model of the new Cuk converter was established. Based on passivity-based control theory, a passivity-based controller of the new Cuk converter was designed by the method called damping injection. The controller can enable the new Cuk converter achieve good dynamic and static performance and robustness to the load. Compared with Buck converters, the new Cuk converter has a higher step-down capability and a smaller ripple of the input current. Simulation results show that the new Cuk converter is feasible.

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Periodical:

Applied Mechanics and Materials (Volumes 571-572)

Pages:

1053-1058

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.571-572.1053

Citation:

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Online since:

June 2014

Authors:

Jing Wei Hu*, Jiu He Wang, Qi Tang

Keywords:

Damping Injecting, High Step-Down Ratio, New Cuk Converter, Passivity-Based Control

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* - Corresponding Author

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