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New symmetric and hybrid multilevel inverter topology employed in solar energy systems

journal contribution
posted on 2018-01-01, 00:00 authored by Mostafa Barzegar Kalashani, D Nazarpour
In this paper, novel symmetric and hybrid topologies have been proposed for single phase multilevel inverter structures based on a new basic unit. The proposed topologies can be employed in solar energy systems. The main focus of this paper is to reduce the overall cost as well as to increase the efficiency of the multilevel inverters. To generate greater number of voltage levels, the basic units have been cascaded with each other to make extended topology. Different comparisons such as the number of power switches and percentage of THD against the number of voltage levels have been drawn to illustrate the advantages of the proposed topologies. To validate the performance of the proposed topologies, a 20 kW PV arrays based on fifteen-level hybrid inverter has been simulated through MATLAB/Simulink software.

History

Journal

Transactions on electrical and electronic materials

Volume

19

Issue

4

Pagination

304 - 310

Publisher

Springer

Location

Heidelberg, Germany

ISSN

1229-7607

eISSN

2092-7592

Language

eng

Publication classification

C1.1 Refereed article in a scholarly journal

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