The aim of this paper is to present in detail the design of a stand-alone photovoltaic power system for a typical residential building in Bauchi, Nigeria. A photovoltaic power system can be used to provide alternative and inexhaustible source of electrical power to our homes through the direct conversion of solar irradiance into electricity. The process of acquiring a photovoltaic power system involves designing, selecting and determining the specifications of the different components employed in the system. The success of this process depends on a variety of factors such as geographical location, weather condition, solar irradiance, and load profile. The paper outlines the procedures employed in specifying each component of the stand-alone photovoltaic power system and as a case study, a residence in Bauchi (Nigeria) with medium energy consumption is selected.
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