An enhanced scanning technique for flexible power point tracking under partial shading condition

Ahmed, Sajib and Mekhilef, Saad and Mubin, Marizan and Tey, Kok Soon and Kermadi, Mostefa (2023) An enhanced scanning technique for flexible power point tracking under partial shading condition. Solar Energy, 262. ISSN 0038-092X, DOI https://doi.org/10.1016/j.solener.2023.111817.

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Abstract

Flexible power point tracking (FPPT) terminology has recently emerged to support additional functionality for grid-connected systems. Despite having a well-developed operation under uniform irradiance conditions, the FPPT algorithm's operation under partial shading conditions (PSC) reveals substantial challenges. The presented article introduces a global FPPT (GFPPT) algorithm that can operate under the PSC with a fast-tracking speed. The proposed GFPPT algorithm employs the conventional search-skip-judge global maximum power point tracking method and the essential strategic scheme. The method conducts on the left side of the power-voltage curve to avoid the less robust nature of the right-side operation. Simulation and experimental tests are employed to validate the adequacy of the proposed approach. The simulation and experimental study adopted an indirect control approach using a proportional-integral controller and a buck-boost dc-dc converter. The uniform irradiance condition and PSC patterns with various peaks are chosen, and the presented GFPPT method is applied under distinct criteria. The proposed method's effectiveness has been adequately validated based on the simulation and experimental outcomes.

Item Type: Article
Funders: Universiti Malaya [Grant No: MG022-2022]
Uncontrolled Keywords: Flexible power point tracking; Global maximum power Point; Maximum power point tracking; Partial shading condition; Perturb and observe
Subjects: T Technology > T Technology (General)
T Technology > TK Electrical engineering. Electronics Nuclear engineering
Divisions: Faculty of Computer Science & Information Technology
Faculty of Engineering > Department of Electrical Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 11 Oct 2025 06:33
Last Modified: 11 Oct 2025 06:33
URI: http://eprints.um.edu.my/id/eprint/48230

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