Abstract

This work deals with a new theoretical analysis and formulation of electrical parameters lasts to a derivation of a satisfied simple maximum power output equation of photovoltaic (pv) cells. Essentially, this work concentrates on useful parameters in characterizing the maximum power output cannot be expressed explicitly in terms of other parameter. These are such as: the maximum voltage, maximum current and, hence, the maximum power output. An air mass radiation (AM1.5) is used throughout this work. First, referring to AM1.5 sunlight power versus wavelength, all the electrical parameters of wide range pv cells having band gaps ranged (0.4887 ev to 3.815 ev) are calculated by conventional way in order to compare their values with approach values. Second; instead of using the conventional way of modeling each pv cell independently, this approach introduces a method through which the modeling of several pv cells dependently is possible for the determination of the unknown electrical parameters. As a result of this analytical formulation, a satisfied derived equations of electrical parameters are obtained and satisfied up to around 100 % with no interpolation methods or other technique used.