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<p>In this study, a novel and optimized framework is proposed for the placement of photovoltaic (PV) panels to mitigate the effects of partial shading. An optimal, Python-based modified SuDoKu (OPySDK) reconfiguration technique has been employed on the conventional total cross-tied array. This approach significantly reduces line losses associated with elongated wire structures and effectively disperses shadow accumulation across the array, thereby minimizing localized shading effects. The performance of several existing PV array configurations is compared with the proposed OPySDK configuration under various shading scenarios, including Bottom-Right Corner, Bottom-Left Corner, Top-Right Corner, Top-Left Corner, and Drifted-Locus Center, using MATLAB/Simulink. The evaluated performance metric includes daily energy output and annual energy savings. Results show that the proposed OPySDK configuration achieves a daily energy output of 3.50 kWh, outperforming six conventional topologies: CALCUDOKU, Ancient Chinese Magic Square, modified SuDoKu, Skyscraper SuDoKu, Futoshiki and SuDoKu. In addition, energy savings and revenue generation potential using the OPySDK configuration are assessed and compared with those of existing methods. The findings confirm that the proposed OPySDK technique not only yields significant power enhancement and economic returns but also demonstrates notably reduced line losses. Thus, the proposed approach proves to be a highly efficient, optimized and sustainable solution for reconfiguring photovoltaic arrays under partial shading conditions.</p>

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Novel Optimal Framework for Placement of Photovoltaic Panels to Minimize Line Losses and Assessment of Energy Savings

  • 期刊论文

  • 发表日期：

    2025年10月13日

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  • Sumit Kataria,
  • Afzal Sikander

摘要

In this study, a novel and optimized framework is proposed for the placement of photovoltaic (PV) panels to mitigate the effects of partial shading. An optimal, Python-based modified SuDoKu (OPySDK) reconfiguration technique has been employed on the conventional total cross-tied array. This approach significantly reduces line losses associated with elongated wire structures and effectively disperses shadow accumulation across the array, thereby minimizing localized shading effects. The performance of several existing PV array configurations is compared with the proposed OPySDK configuration under various shading scenarios, including Bottom-Right Corner, Bottom-Left Corner, Top-Right Corner, Top-Left Corner, and Drifted-Locus Center, using MATLAB/Simulink. The evaluated performance metric includes daily energy output and annual energy savings. Results show that the proposed OPySDK configuration achieves a daily energy output of 3.50 kWh, outperforming six conventional topologies: CALCUDOKU, Ancient Chinese Magic Square, modified SuDoKu, Skyscraper SuDoKu, Futoshiki and SuDoKu. In addition, energy savings and revenue generation potential using the OPySDK configuration are assessed and compared with those of existing methods. The findings confirm that the proposed OPySDK technique not only yields significant power enhancement and economic returns but also demonstrates notably reduced line losses. Thus, the proposed approach proves to be a highly efficient, optimized and sustainable solution for reconfiguring photovoltaic arrays under partial shading conditions.