Design Of Stand-Alone Solar Photovoltaic System For Residential Buildings

Abstract The provision of adequate and sustainable power supply to the countrys citizens has been a mirage since the 80s when the nation neglected signals to improve its power generation capacity. The rapid population growth and increase in industrial activities necessitate the injection of solar photovoltaic technology into the nations energy mix. This paper therefore is an attempt to design a stand-alone solar photovoltaic system for residential application. in this study direct current DC appliances lighting fan DVD player radio and alternative current AC appliances television refrigerator and blender were considered. The total load power of these appliances is 1981w. The array to load ratio determined as well as the daily watt-hour load shows that the use of hybrid system in this design is not recommended. To power these appliances 64 modules with power rating 13052.8W under standard test condition STC 56 batteries in the battery bank with system battery capacity of 4900 Ah and one charge controller are required. Therefore for sustainability reliability and accessibility of power the use of stand-alone solar photovoltaic technology is recommended.