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A new adaptive MPPT technique using an improved INC algorithm supported by fuzzy self-tuning controller for a grid-linked photovoltaic system

PloS one, 2023-11, Vol.18 (11), p.e0293613-e0293613 [Peer Reviewed Journal]

COPYRIGHT 2023 Public Library of Science ;2023 Ibrahim et al 2023 Ibrahim et al ;ISSN: 1932-6203 ;EISSN: 1932-6203 ;DOI: 10.1371/journal.pone.0293613 ;PMID: 37922271

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  • Title:
    A new adaptive MPPT technique using an improved INC algorithm supported by fuzzy self-tuning controller for a grid-linked photovoltaic system
  • Author: Ibrahim, Nagwa F ; Mahmoud, Mohamed Metwally ; Alnami, Hashim ; Mbadjoun Wapet, Daniel Eutyche ; Ardjoun, Sid Ahmed El Mehdi ; Mosaad, Mohamed I ; Hassan, Ammar M ; Abdelfattah, H
  • Balachandran, Praveen Kumar
  • Subjects: Algorithms ; Alternative energy sources ; Analysis ; Climatic changes ; Economic aspects ; Economic conditions ; Electric power production ; Engineering and Technology ; Forecasts and trends ; Influence ; Methods ; Physical Sciences ; Research and Analysis Methods ; Solar energy ; Solar energy industry
  • Is Part Of: PloS one, 2023-11, Vol.18 (11), p.e0293613-e0293613
  • Description: Solar energy, a prominent renewable resource, relies on photovoltaic systems (PVS) to capture energy efficiently. The challenge lies in maximizing power generation, which fluctuates due to changing environmental conditions like irradiance and temperature. Maximum Power Point Tracking (MPPT) techniques have been developed to optimize PVS output. Among these, the incremental conductance (INC) method is widely recognized. However, adapting INC to varying environmental conditions remains a challenge. This study introduces an innovative approach to adaptive MPPT for grid-connected PVS, enhancing classical INC by integrating a PID controller updated through a fuzzy self-tuning controller (INC-FST). INC-FST dynamically regulates the boost converter signal, connecting the PVS's DC output to the grid-connected inverter. A comprehensive evaluation, comparing the proposed adaptive MPPT technique (INC-FST) with conventional MPPT methods such as INC, Perturb & Observe (P&O), and INC Fuzzy Logic (INC-FL), was conducted. Metrics assessed include current, voltage, efficiency, power, and DC bus voltage under different climate scenarios. The proposed MPPT-INC-FST algorithm demonstrated superior efficiency, achieving 99.80%, 99.76%, and 99.73% for three distinct climate scenarios. Furthermore, the comparative analysis highlighted its precision in terms of control indices, minimizing overshoot, reducing rise time, and maximizing PVS power output.
  • Publisher: San Francisco, CA USA: Public Library of Science
  • Language: English
  • Identifier: ISSN: 1932-6203
    EISSN: 1932-6203
    DOI: 10.1371/journal.pone.0293613
    PMID: 37922271
  • Source: Public Library of Science (PLoS) Journals Open Access
    Geneva Foundation Free Medical Journals at publisher websites
    PubMed Central
    ProQuest Central
    DOAJ Directory of Open Access Journals
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