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International Journal of Photoenergy
Volume 2014, Article ID 637468, 16 pages
Research Article

New Multiphase Hybrid Boost Converter with Wide Conversion Ratio for PV System

1Applied Electronics Department, “Politehnica” University of Timisoara, 300223 Timisoara, Romania
2Electrical Engineering/Power Electronics Department, “Jade University,” University of Applied Sciences, 26389 Wilhelmshaven, Germany

Received 1 December 2013; Accepted 2 March 2014; Published 30 April 2014

Academic Editor: Ismail H. Altas

Copyright © 2014 Ioana-Monica Pop-Calimanu and Folker Renken. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


A new multiphase hybrid boost converter, with wide conversion ratio as a solution for photovoltaic energy system, is presented in this paper. To ensure that all the phases of the converter operate at the same switching frequency we use interleaving topology. The proposed converter can be used as an interface between the PV system and the DC load/inverter. This multiphase converter has the advantage of reduced value and physical size of the input and output capacitor as well as the effort for the inductors. To validate the operation of the converter we provide the analyses and the simulation results of the converter.