Switched-Capacitor-Inductor-based Differential Power Converter for Solar PV Modules

Kamran Ali Khan Niazi, Yongheng Yang, Jinkui He, Akif Zia Khan, Dezso Séra

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Abstrakt

Energy harvesting from solar photovoltaic (PV) modules is affected by partial shading (contributes to mismatch issues), which in turn affects the entire system efficiency. Various power electronics converters have thus been investigated to address the mismatch issue due to partial shading, where the charges between PV submodules (typically, three submodules in a PV module) are redistributed. As a representative of the power electronic-based techniques, differential power processing (DPP) converters can improve the power extraction from the series-connected PV submodules. In this paper, a switched-capacitor-inductor (SCL)-based DPP converter is proposed to mitigate the mismatch effect for PV modules. The proposed converter only processes the differential power, enabling extraction of the maximum power from the PV module at a submodule level. The proposed topology is analyzed and compared with the traditional (Schottky) bypassing technique through simulations. Partial shading experiments are also performed for the traditional technique. A benchmarking with the prior-art DPP converters and experimental tests on the switched-inductor (SL)-based DPP topology are presented in this paper.
OriginalsprogEngelsk
Titel2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019
Antal sider6
ForlagIEEE Press
Publikationsdatosep. 2019
Sider4613-4618
Artikelnummer8912615
ISBN (Elektronisk)9781728103952
DOI
StatusUdgivet - sep. 2019
Begivenhed2019 IEEE Energy Conversion Congress and Exposition (ECCE) - Baltimore, USA
Varighed: 29 sep. 20193 okt. 2019

Konference

Konference2019 IEEE Energy Conversion Congress and Exposition (ECCE)
LandUSA
By Baltimore
Periode29/09/201903/10/2019
NavnIEEE Energy Conversion Congress and Exposition
ISSN2329-3721

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  • Citationsformater

    Niazi, K. A. K., Yang, Y., He, J., Khan, A. Z., & Séra, D. (2019). Switched-Capacitor-Inductor-based Differential Power Converter for Solar PV Modules. I 2019 IEEE Energy Conversion Congress and Exposition, ECCE 2019 (s. 4613-4618). [8912615] IEEE Press. IEEE Energy Conversion Congress and Exposition https://doi.org/10.1109/ECCE.2019.8912615