Authors : Kunal P. Chaure, Lakshya M. Waghmare, Gaurav D. Satpute, Riya D. Singh, Yogesh B. Dandekar, Ms. Ruchi Sakhare
DOI : 10.46335/IJIES.2025.10.3.3
Abstract— An automatic power factor controller (APFC) is a device designed to improve the power factor in electrical systems by monitoring and adjusting the reactive power. Poor power factor results in higher energy consumption, leading to increased electricity bills and inefficient energy use. This project utilizes an Arduino to monitor the power factor in real time and automatically switch capacitors into the circuit to correct it. The controller improves energy efficiency, reduces power loss, and ensures the electrical system operates more effectively. The APFC can be used in industrial, commercial, or domestic settings where reactive loads are present, such as motors, transformers, or other inductive equipment. The efficiency of electrical power systems heavily depends on maintaining an optimal power factor. This paper introduces an "Automatic Power Factor Correction System" designed to measure and correct lagging power factors in real-time. Using microcontrollers, sensors, and capacitor banks, the system dynamically adjusts reactive power compensation to ensure improved efficiency and reduced energy losses. Simulation results demonstrate significant improvements in system performance, reducing energy costs for consumers.
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