ANALYTICAL INVESTIGATION OF PV ARRAY TOPOLOGIES UNDER VARIOUS PARTIAL SHADING CONDITIONS

Abstract

As solar energy has become, a crucial part of human life as well as renewable in nature leading to clean and green in nature. It is been observed that this is future viable source of energy generation. Many researcher and policy makers are advocating for this. As in near future taking slight shift towards solar energy. Before that we have to address some of the peculiar issues associated with solar PV modules. For that in this work author has tried to address some of the issues related to modules such as maximum power output during partial shading condition, hotspot, reduction in temperature rise. For this analysis we have used MATLAB/Simulink@ for modeling of PV array (User defined) as per our requirement. And three topologies are simulated, further the same has been done using hardware 3*3 PV array is formed using EXIDE INDIA LIMITED (EIL-40) modules each have capacity of 40 W. Further tried to replicate five partial shading conditions and results are formed and compared and best suited topology is advised for particular shading pattern. As in experiment author has tried to relate and compare the simulation and hardware analysis which has good experience altogether. Comparison is done mostly based upon fill factor, performance ratio, maximum power etc.