Ćuk topology based single phase AC-DC converter wih low THD and high power factor
Publisher© 2011 Institute of Electrical and Electronics Engineers Inc.
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CitationKabir, M. A., Hasan Abedint, A., Islam, S., & Choudhury, M. A. (2011). Ćuk topology based single phase AC-DC converter wih low THD and high power factor. Paper presented at the IECON Proceedings (Industrial Electronics Conference), 1256-1261. doi:10.1109/IECON.2011.6119489
To topologies of single-phase Ćuk AC-DC converters with low input current THD and high input power factor are proposed. Instead of using a single phase rectifier followed by a boost DC-DC converter, or using a bridge rectifier with two diodes and two switches, the rectifier's input is chopped at high frequency during positive and negative cycles by a bi-directional switch in Ćuk conversion mode to get step-up/step-down AC-DC conversion. Total Harmonic Distortion (THD) of the input current of the proposed circuits with small input current filter is low. Input power factor and the efficiency of conversion of the circuits are high. The circuits exhibit such performance with variable loads at constant frequency switching. No additional control is required to achieve the advantages.
KeywordsAC-DC power converters; Active power filters; Bridge rectifier circuits; Harmonic distortion; Harmonic standards; Passive filters; Power harmonics; Power supplies
DescriptionThis conference paper was presented in the 37th Annual Conference of the IEEE Industrial Electronics Society, IECON 2011; Melbourne, VIC; Australia; 7 November 2011 through 10 November 2011 [© 2011 IEEE ] The conference paper's definite version is available at: http://doi.org/10.1109/IECON.2011.6119489
DepartmentDepartment of Electrical and Electronic Engineering, BRAC University
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