Optimal dynamic reconfiguration of large-scale PV plant under partial shading conditions based on two reconfigurable stages
Dynamic models; Energy conservation; Photovoltaic cells; Comparative studies; Comprehensive analysis; Income generation; Mismatch problems; Number of switches; Optimal dynamics; Performance analysis; Photovoltaic panels; Genetic algorithms
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2023
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my.uniten.dspace-259882023-05-29T17:05:55Z Optimal dynamic reconfiguration of large-scale PV plant under partial shading conditions based on two reconfigurable stages Ajmal A.M. Ramachandaramurthy V.K. Tomar A. Ekanayake J.B. 57217176335 6602912020 57193687676 7003409510 Dynamic models; Energy conservation; Photovoltaic cells; Comparative studies; Comprehensive analysis; Income generation; Mismatch problems; Number of switches; Optimal dynamics; Performance analysis; Photovoltaic panels; Genetic algorithms Varying solar radiation on photovoltaic (PV) panels reduces the PV system's output and increases the mismatch losses. Several techniques have been proposed to solve the mismatch problem, for example, the reconfiguration technique of PV panels. Most of the reconfiguration techniques have been proposed for small systems because of the difficulty in applying to large systems as a large number of switches are required for such applications. In this paper, a new technique based on total-cross-tied (TCT) in two reconfigurable stages is proposed. In the first stage, the shading over the PV plant is dispersed by switching between arrays. In the second stage, the shade dispersion from the first stage is increased by optimizing between the columns. The number of switches and sensors were reduced by using genetic algorithm, thus reducing the system cost. To demonstrate the proposed new reconfiguration technique, four shaded cases were simulated and tested using MATLAB/SIMULINK. A comprehensive analysis of power�voltage (P�V) curves and row currents calculation was performed, for TCT configuration and the proposed new reconfiguration technique. Also, a comparative study on performance analysis, energy-saving, and income generation was carried out for each shading case. The comparative study of the four cases shows that the reconfiguration techniques proposed in two stages generate more power under partial shading conditions than TCT. Further research is needed to ensure the practicality of the switches needed to realize this technique. � 2021 John Wiley & Sons Ltd Final 2023-05-29T09:05:55Z 2023-05-29T09:05:55Z 2021 Article 10.1002/2050-7038.12746 2-s2.0-85099772457 https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099772457&doi=10.1002%2f2050-7038.12746&partnerID=40&md5=b4ee347e1f8b5c5297e49f7d1fc059bf https://irepository.uniten.edu.my/handle/123456789/25988 31 10 e12746 All Open Access, Bronze John Wiley and Sons Ltd Scopus |
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| description |
Dynamic models; Energy conservation; Photovoltaic cells; Comparative studies; Comprehensive analysis; Income generation; Mismatch problems; Number of switches; Optimal dynamics; Performance analysis; Photovoltaic panels; Genetic algorithms |
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57217176335 Ajmal A.M. Ramachandaramurthy V.K. Tomar A. Ekanayake J.B. |
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Article |
| author |
Ajmal A.M. Ramachandaramurthy V.K. Tomar A. Ekanayake J.B. |
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Ajmal A.M. Ramachandaramurthy V.K. Tomar A. Ekanayake J.B. Optimal dynamic reconfiguration of large-scale PV plant under partial shading conditions based on two reconfigurable stages |
| author_sort |
Ajmal A.M. |
| title |
Optimal dynamic reconfiguration of large-scale PV plant under partial shading conditions based on two reconfigurable stages |
| title_short |
Optimal dynamic reconfiguration of large-scale PV plant under partial shading conditions based on two reconfigurable stages |
| title_full |
Optimal dynamic reconfiguration of large-scale PV plant under partial shading conditions based on two reconfigurable stages |
| title_fullStr |
Optimal dynamic reconfiguration of large-scale PV plant under partial shading conditions based on two reconfigurable stages |
| title_full_unstemmed |
Optimal dynamic reconfiguration of large-scale PV plant under partial shading conditions based on two reconfigurable stages |
| title_sort |
optimal dynamic reconfiguration of large-scale pv plant under partial shading conditions based on two reconfigurable stages |
| publisher |
John Wiley and Sons Ltd |
| publishDate |
2023 |
| _version_ |
1806428130697543680 |