Volume 6 Number 4 (Aug. 2014)
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IJCEE 2014 Vol.6(4): 283-289 ISSN: 1793-8163
DOI: 10.7763/IJCEE.2014.V6.839

Interleaved Boost DC-DC Converter Using Delta-Sigma Modulation Suitable for Renewable Energy Applications

Farag S. Alargt, Ahmed S. Ashur, Mohamed A. Shrud, and Ahmad H. Kharaz
Abstract—It is generally accepted that interleaving techniques are efficient at reducing the input/output ripples and increasing the power output of boost converters operating in critical conduction mode.Pulse width modulation (PWM) is used to produce the switching pattern. But this technique causes large switching noise peaks at a multiple number of the carrierfrequency. This paper proposes Interleaved Boost DC-DC suitablefor renewable energy applications. The proposed converterutilizes delta-sigma modulation to control pulse generator. A thorough and effective analysis of the converter is carried out in order to achieve the system stability and to improve the dynamic performance. The output response obtained by this method is very much improved compared to the conventional PWM method of control. Simulation results are provided to illustrate the advantages of the proposed converter and controller scheme. All the advantages of interleaving, such as higher efficiency and reduced ripple for voltage/current, are also achieved in the proposed converter.

Index Terms—DC-DC converters, interleaved boost converter, delta-sigma modulation, renewable energy.

F. S. Alargtis is with The Centre for Solar Energy Research and Studies, Tripoli, Libya (e-mail: fareglarkt@hotmail.com).
A. S. Ashur is with the Department of Electrical and Electronic Engineering University of Tripoli, Tripoli, Libya (e-mail: a.ashur@hotmail.co.uk).
M. A. Shrud is with the Tripoli Institute of Electronic Technology, Tripoli, Libya (e-mail: mshrud@hotmail.com).
A. H. Kharaz is with the School of Engineering and Technology, Uinersity of Derby, DE22 3AW, UK (e-mail: a.kharaz@derby.ac.uk).

Cite:Farag S. Alargt, Ahmed S. Ashur, Mohamed A. Shrud, and Ahmad H. Kharaz, "Interleaved Boost DC-DC Converter Using Delta-Sigma Modulation Suitable for Renewable Energy Applications," International Journal of Computer and Electrical Engineering vol. 6, no. 4, pp. 283-289, 2014.

General Information

ISSN: 1793-8163 (Print)
Abbreviated Title: Int. J. Comput. Electr. Eng.
Frequency: Quarterly
Editor-in-Chief: Prof. Yucong Duan
Abstracting/ Indexing: INSPEC, Ulrich's Periodicals Directory, Google Scholar, EBSCO, ProQuest, and Electronic Journals Library
E-mail: ijcee@iap.org

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