Sub-Module Level Differential Power Processing for Parallel-Connected Architecture in Photovoltaic Systems

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Abstrakt

The partial shading on parallel-connected photovoltaic (PV) modules introduces severe mismatch issues in PV systems, which significantly affects the overall output power. Distributed maximum power point tracking (DMPPT) is considered as an effective solution to the resultant mismatch in parallel-connected PV sub-modules. In this context, this paper proposes a sub-module level switched-inductor (SL) based differential power processing (DPP) technique for parallel connections to alleviate the mismatch effect. The technique can achieve the maximum output power under mismatch by equalizing the sub-module voltages. The proposed technique is analyzed and compared through simulations with a traditional (Schottky diode) bypassing technique.
OriginalsprogEngelsk
Titel2019 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe
Antal sider9
ForlagIEEE Press
Publikationsdatosep. 2019
Artikelnummer8915215
ISBN (Elektronisk)9789075815313
DOI
StatusUdgivet - sep. 2019
Begivenhed2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe) - Genova, Italien
Varighed: 3 sep. 20195 sep. 2019

Konference

Konference2019 21st European Conference on Power Electronics and Applications (EPE '19 ECCE Europe)
LandItalien
ByGenova
Periode03/09/201905/09/2019

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  • Citationsformater

    Niazi, K. A. K., Yang, Y., Liu, W., & Séra, D. (2019). Sub-Module Level Differential Power Processing for Parallel-Connected Architecture in Photovoltaic Systems. I 2019 21st European Conference on Power Electronics and Applications, EPE 2019 ECCE Europe [8915215] IEEE Press. https://doi.org/10.23919/EPE.2019.8915215