Journal Title : International Journal of Modern Trends in Engineering and Science
Author’s Name : Anjana Asok
Volume 02 Issue 11 Year 2015
ISSN no: 2348-3121
Page no: 21-25
Abstract— The need for a renewable energy source that will not harm the environment has become very crucial nowadays as energy demand around the world is increasing. Using photovoltaic (PV) cells is one way to meet this need, converting sunlight directly into electricity without moving parts and no harmful pollution, by means of Photo-Voltaic effect. Photovoltaic effect is a process in which two dissimilar materials in close contact produce an electrical voltage when struck by light or other radiant energy. Today, solar-generated electricity serves people living in the most isolated spots on earth as well as in the center of metropolitan cities. First used in the space program, photovoltaic (PV) systems are now used in utility grid systems, telecommunications, land- based aids to navigation and more. This technology is still expensive when compared to other sources of power so it is important to optimize the efficiency of PV panels. This can be a challenge because as irradiation and temperature changes the voltage and current in the circuit changes. Maximum power point tracking (MPPT) is a technique that is used to get the maximum possible power from photovoltaic devices regardless of weather conditions. Different algorithms are existing for MPPT. In this paper, a Fuzzy based Maximum power point tracking algorithm is simulated. Fuzzy Based MPPT algorithm possess advantages such as improved time response, increased tracking speed and sudden response to unforeseen changes of atmospheric condition.
Keywords— Photo-voltaic (PV) Module; Fuzzy Logic; Maximum power point Tracking (MPPT) Algorithm; Boost Converter
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