Introduction This research work focused on the construction of a single-phase 8 KVA output power factor correction (P.F.C) equipment that would be able to measure, monitor and correct low power factor of an electrical loads/appliances and display the results on LCD. The major objectives of this research are stated below. To understand what power factor is and its significance to highlight the basic components used in the construction of the power factor correction device and their functions. To know the parameters involved in P.F. Measurements/Corrections and Calculations To examine the cause of low power factor To examine methods of power factor correction To examine and understand the benefit of power factor correction Electric power supply in a country comprises of generating units that produce electricity, over long distance: distribution lines that deliver the electricity to consumers, sub stations that connect the pieces to each other, and energy control centre to coordinate the operation of the components. Figure 1.0 below shows a simple electric power supply system with transmission and distribution network and linkages from electricity sources to the end-users.
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