• DocumentCode
    182367
  • Title

    Modeling of photovoltaic solar array under different levels of partial shadow conditions

  • Author

    Humada, Ali Mahmood ; Samsuri, Fahmi B. ; Hojabria, Mojgan ; Mohamed, Mortaza B. ; Bin Sulaiman, Mohd Herwan ; Dakheel, Taha Hamad

  • Author_Institution
    Fac. of Electr. & Electron. Eng., Univ. Malaysia Pahang, Pekan, Malaysia
  • fYear
    2014
  • fDate
    21-24 Sept. 2014
  • Firstpage
    461
  • Lastpage
    465
  • Abstract
    Different methods of configuration have been formulated regarding photovoltaic solar power by employing several techniques. This has been done because of the varying conditions so that the loss of power can be minimized. The main factor which decreases energy output of the photovoltaic PV solar systems is partial shadowing. The way the energy output of partially shadowed arrays varies with the system configuration used, has been studied extensively. A huge degree of disorder still exists, particularly with respect to the best modularity grade for these systems. There are two distinct sub-divisions in the systems implemented in the reconfiguration mechanism: reconfigurable solar arrays, and a switching matrix to do a reconfiguration. Using different methods, the proportions of shadowing obstructions were noted to allow for calculation of the likely shadowing losses. The outcomes of this paper on modeling and monitoring are used to evaluate the photovoltaic system with respect to shadowing losses with different levels and their reliance on the system configuration are selected. It has been found that power loss because of varying conditions is majorly due to the decrease in radiance occurring on the photovoltaic array and can be avoided through selecting the suitable configuration and connection. The simulation results show that the output characteristics of the simulator presented better results with that proposed model.
  • Keywords
    losses; photovoltaic power systems; solar cell arrays; solar power; PV solar system subdivision; configuration methods; energy output; modularity grade; partial shadow condition levels; photovoltaic solar array modeling; photovoltaic solar power; power loss minimization; reconfigurable solar arrays; reconfiguration mechanism; shadowing losses; shadowing obstruction proportions; switching matrix; Analytical models; Arrays; Photovoltaic cells; Photovoltaic systems; Shadow mapping; Solar energy; configuration; partial shadowing; photovoltaic; shadowing losses;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Power Electronics and Motion Control Conference and Exposition (PEMC), 2014 16th International
  • Conference_Location
    Antalya
  • Type

    conf

  • DOI
    10.1109/EPEPEMC.2014.6980535
  • Filename
    6980535