Abstract
Experimental tests were performed to study the effects of shading for different string inside the photovoltaic (PV) panels, power equipped with different number of diodes from the same manufacturer as of solar panel. The IV curve for all cases were recorded to see how the bypass diodes will reduce the effects of shading .The case for 3 by pass diode show the best performance of solar PV module under shading phenomena.
Highlights
Introduction and literature reviewPhotovoltaic renewable energy system are widely used as source of green energy because of the positive impact on the environment, direct electricity without conversion and low pollution to the atmosphere, as well as competitive with the traditional energy system, due to maturity of these technologies
In the study [1], the I–V and P–V characteristics of a PV array under a nonuniform insolation due to partial shading were presented based on modeling and simulation scheme performed by MATLAB. [2] they developed A generalized PV module model n MATLAB based on the mathematical equation of PV cell
Adaptive inertial weight particle swarm optimization (AIWPSO) algorithm was proposed to solve the low convergence speed and search accuracy of the Particle swarm optimization (PSO) under partially shading by the study of [5].[6] they studied the impact of using bypass diodes on the solar cell performance under shading at a module level
Summary
Photovoltaic renewable energy system are widely used as source of green energy because of the positive impact on the environment, direct electricity without conversion and low pollution to the atmosphere, as well as competitive with the traditional energy system, due to maturity of these technologies. In the study [1], the I–V and P–V characteristics of a PV array under a nonuniform insolation due to partial shading were presented based on modeling and simulation scheme performed by MATLAB. Algorithms based on MATLAB was designed to study the effects of non-overlapping bypass diode configuration in a randomly shaded solar module. The I-V characteristic curve and power performance of 30 W PV panel under fully different shading cells condition will study for different number of bypass diode, mainly two and four diodes. The fully shading was applied on the cells by using cardboard
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