Dynamics Characterization of Coupled-Inductor Boost DC-DC Converters

Author

Dwari, Suman ; Jayawant, Saurabh ; Beechner, Troy ; Miller, Stephanie K. ; Mathew, Anu ; Chen, Min ; Riehl, Jonathan ; Sun, Jian

Author_Institution

Dept. of Electr. Comput. & Syst. Eng., Rensselaer Polytech. Inst., Troy, NY

fYear

2006

fDate

16-19 July 2006

Firstpage

264

Lastpage

269

Abstract

Dynamic characterization of the coupled-inductor boost DC-DC converter is presented. Operating of the converter in both continuous conduction mode (CCM) and discontinuous continuous conduction mode (DCM) are studied. A state variable equivalent to the inductor core magnetic flux is defined to avoid the problem with using the discontinuous inductor current as a state variable. Dynamic model of the converter under peak-current control is also developed. Control to output transfer functions are calculated for all the dynamic models and are validated by experimental measurements. A comparison to the conventional boost converter is provided

Keywords

DC-DC power convertors; electric current control; inductors; magnetic flux; transfer functions; CCM; DCM; boost DC-DC converters; continuous conduction mode; coupled-inductor core; discontinuous continuous conduction mode; dynamics characterization; magnetic flux; peak-current control; transfer functions; Conferences; Coupling circuits; DC-DC power converters; Inductors; Magnetic cores; Magnetic variables control; Sun; Switches; USA Councils; Voltage;

fLanguage

English

Publisher

ieee

Conference_Titel

Computers in Power Electronics, 2006. COMPEL '06. IEEE Workshops on

Conference_Location

Troy, NY

ISSN

1093-5142

Print_ISBN

0-7803-9724-X

Electronic_ISBN

1093-5142

Type

conf

DOI

10.1109/COMPEL.2006.305642

Filename

4097454