A Novel Symmetrical Boost Modulation Method for qZS-based CHB Inverters

Giuseppe Schettino, Rosario Miceli, Vincenzo Castiglia, Francesco Viola, Frede Blaabjerg, Yongheng Yang

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Abstract

Quasi-Z-source cascaded H-bridge (qZS-CHB) inverters are arising as an innovation in the field of the electrical conversion for PV applications. This type of converters inherit the advantages of multilevel inverters and single-stage configuration. In this context, this paper proposes a novel symmetrical boost modulation strategy for qZS CHB multilevel inverters to increase the performance in terms of voltage stresses and power quality. The novelty lies in the adoption of a different concept to generate the shoot-through states compared to the traditional methods. Simulation analysis in a grid connected application to evaluate the benefits of this boost method is performed in the MATLAB/PLECS co-simulation platform.
OriginalsprogEngelsk
TitelProceedings of the 2020 IEEE 21st Workshop on Control and Modeling for Power Electronics (COMPEL)
Antal sider7
ForlagIEEE
Publikationsdatonov. 2020
Sider1-7
Artikelnummer9265660
ISBN (Trykt)978-1-7281-7160-9
DOI
StatusUdgivet - nov. 2020
Begivenhed21th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2020 - Aalborg, Danmark
Varighed: 9 nov. 202012 nov. 2020

Konference

Konference21th IEEE Workshop on Control and Modeling for Power Electronics, COMPEL 2020
Land/OmrådeDanmark
ByAalborg
Periode09/11/202012/11/2020
NavnIEEE Workshop on Control and Modeling for Power Electronics (COMPEL)
ISSN1093-5142

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