Optimizing Photovoltaic System Performance in Partially Shaded Conditions: A Comprehensive Review of Mitigation Strategies

  • Unique Paper ID: 166541
  • Volume: 11
  • Issue: 2
  • PageNo: 1038-1052
  • Abstract:
  • Photovoltaic (PV) systems have become a vital component in the quest for sustainable energy solutions. However, partial shading significantly hampers their efficiency, causing notable power losses. This comprehensive review evaluates various strategies to mitigate the adverse effects of partial shading on PV systems. Key approaches include the integration of bypass diodes, advanced maximum power point tracking (MPPT) algorithms, and module-level power electronics such as power optimizers and microinverters. These techniques enable individual modules to operate independently at their optimal power points, enhancing overall system efficiency. Additionally, system design optimizations, including layout adjustments and shading analysis tools, are critical in maximizing energy yield. The review also compares different MPPT methods, highlighting their strengths and limitations under partial shading conditions. Despite advancements, the literature indicates a need for further research into combining multiple optimization techniques to achieve superior performance in complex shading scenarios. This review aims to provide a roadmap for future research, emphasizing the importance of integrated and advanced strategies for optimizing PV system performance under partially shaded conditions.

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