A unique model of Characterization & performance estimation of various solar photovoltaic cells/modules using Microcontroller

At the end of the solar module manufacturing process, an I-V measurement is performed under different illumination of each individual solar module to determine its current I_mp and voltage V_mp at the maximum power point and the I_SC and V_OC points, where the power will be zero and the maximum value of power will occur between the two. The Fill Factor (FF) is essentially a measure of quality of the solar sell. When calculated the performance of the solar cell from I-V Characteristics using the conventional method, it was found that noise caused the I-V curves to zigzag slightly near the V_OC and to zigzag widely near the `knee´ of the curve. Defining the exact value of solar Module´s parameters is called Module´s Characterization. So in this paper the authors are tried to minimized the noise of I-V curve to get the highest power output using Automatic electronic load regulator and also find out a real value of I_SC and V_OC points from the I-V curve plotting using ATMEGA Microcontroller.