Behaviour of solar cell in different shading condition and calculation of maximum power point at partial shading condition

Papul Changmai, Sanjeev Kumar Metya


Because of the presence of any obstacle some part of Solar Module  (SM) may get shaded. This condition is called as partial shading condition (PSC). During PSC the output power from SM degrades severely. If the pattern of PSC is continuous for a longer period of time, there may be the possibility of generation of hot spot because of which mechanical damage will occur in the module. So it is utmost important to understand the behavior of SM in PSC and the root cause of generation of hot spot. So, in this paper a detail description is given explaining the behavior of SM at different modes of lighting condition. Along with that the characteristic behavior of SM is shown for different shading pattern and irradiance condition.

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