Modified Modulation Techniques for Quasi-Z-Source Cascaded H-Bridge Inverters

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

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3 Citationer (Scopus)

Abstrakt

Quasi-Z-source cascaded H-bridge (qZS-CHB) inverters are one promising solution for high power photovoltaic (PV) systems. This type of topologies inherits the advantages of cascaded converters (i.e., multilevel outputs) and impedance-source inverters (i.e., high conversion ratios). In addition, it allows increasing the inverter reliability (with high redundancy). However, the modulation and control of qZS-CHB inverters are challenging to a certain extent. Thus, this paper proposes modified modulation techniques to increase the performances of qZS-CHB converters in terms of voltage gains and stresses. The novelty lies in the use of the switching frequency optimal as reference signals in the modulation techniques. A comparison in terms of harmonics with selected modulation techniques is performed.
OriginalsprogEngelsk
TitelProceedings of IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society
Antal sider6
ForlagIEEE Press
Publikationsdatookt. 2018
Sider3743-3748
ISBN (Trykt)978-1-5090-6685-8
ISBN (Elektronisk)978-1-5090-6684-1
DOI
StatusUdgivet - okt. 2018
Begivenhed44th Annual Conference of the IEEE Industrial Electronics Society - Omni Shoreham Hotel, Washington, USA
Varighed: 21 okt. 201823 okt. 2018
http://www.iecon2018.org/

Konference

Konference44th Annual Conference of the IEEE Industrial Electronics Society
LokationOmni Shoreham Hotel
LandUSA
ByWashington
Periode21/10/201823/10/2018
Internetadresse

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  • Citationsformater

    Miceli, R., Schettino, G., Viola, F., Blaabjerg, F., & Yang, Y. (2018). Modified Modulation Techniques for Quasi-Z-Source Cascaded H-Bridge Inverters. I Proceedings of IECON 2018 - 44th Annual Conference of the IEEE Industrial Electronics Society (s. 3743-3748). IEEE Press. https://doi.org/10.1109/IECON.2018.8592848