Experimental Analysis of Partial Shading on Solar Panels With Theuse of Aluminium Reflectors

Abstract

In the present-day world, energy is the key requirement without which man cannot persist. Solar energy is the one of the most significant sources of energy. Solar energy is very plentiful and endless when compared to other sources of energies. But Environment variation is becoming a worldwide concern. Shading effect due to trees, momentary of clouds, shadows of nearby obstacles, adjacent buildings and any other means is affected the enactment of solar panels. It causes substantial efficiency degradation, meanwhile shaded and non-shaded PV modules have large inconsistency in their maximum power points. In order to mitigate, the negative effect of each PV module from partial shading using by-pass diodes. However, this method alone may still face severe energy efficiency degradation caused by the energy loss. Reflectors can be used to increase the efficiency of solar panels. Reflector is used to increase the amount of solar radiation that the solar panels can be exposed with, therefore increasing the production of electric power. Aluminum foil reflector and stainless-steel mirror can also increase power output of solar panels. In this paper the efficiency method for PV systems under partial shading with and without the use of reflectors have been analyzed.