LAPSE:2023.24581
Published Article
LAPSE:2023.24581
MMC-Based PV Single-Phase System with Distributed MPPT
March 28, 2023
The presence and evolution of static power converters in electric grids are growing on a daily basis. Starting from the most used voltage source converter (VSC), passing through the use of multilevel converters, the most recent configuration is the so-called modular multilevel converter (MMC). Because of its intrinsic advantages, it is used not only in high-voltage systems but also in low- and medium-voltage ones to interface renewable energy sources such as photovoltaic (PV) panels. Several configurations and maximum power point tracker (MPPT) algorithms have been proposed and analyzed for MMC-PV-based systems. However, when using distributed MPPTs, partial shading conditions cause a problem. The PV panel can be directly connected to the MMC using its dc link or submodule. Based on this configuration, this paper proposes a novel control strategy that tracks both the ac grid current and ac circulating current for a single-phase low-voltage system to obtain the maximum power under any irradiance condition. The effectiveness of the proposed control strategy is demonstrated through time-domain simulation results.
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Keywords
distributed MPPT, modular multilevel converter, MPPT, PV panel
Subject
Suggested Citation
Barcellona S, Barresi M, Piegari L. MMC-Based PV Single-Phase System with Distributed MPPT. (2023). LAPSE:2023.24581
Author Affiliations
Barcellona S: Department of Electronics, Information and Bioengineering, Politecnico di Milano, 20133 Milano MI, Italy
Barresi M: Department of Electronics, Information and Bioengineering, Politecnico di Milano, 20133 Milano MI, Italy
Piegari L: Department of Electronics, Information and Bioengineering, Politecnico di Milano, 20133 Milano MI, Italy [ORCID]
Barresi M: Department of Electronics, Information and Bioengineering, Politecnico di Milano, 20133 Milano MI, Italy
Piegari L: Department of Electronics, Information and Bioengineering, Politecnico di Milano, 20133 Milano MI, Italy [ORCID]
Journal Name
Energies
Volume
13
Issue
15
Article Number
E3964
Year
2020
Publication Date
2020-08-01
Published Version
ISSN
1996-1073
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Original Submission
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PII: en13153964, Publication Type: Journal Article
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LAPSE:2023.24581
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doi:10.3390/en13153964
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[v1] (Original Submission)
Mar 28, 2023
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Mar 28, 2023
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