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Intelligent Power Factor Controller for Single Phase Induction Motor

Prof. Pratibha Patil, HOD, SSWP, Solapur , Naj .H. Attar, Shrushti .S. Bokade, Yashaswi .B. Chougule,
Anushka .B. Meragu, Nirmiti .K. Phutane
Electrical Engineering, Shri Siddheshwar Women’s Polytechnic Solapur

Abstract - Single-phase induction motors are widely used in domestic and small industrial applications, but they often operate with a low power factor due to their inductive nature. A low power factor increases current consumption, causing higher energy losses and reduced efficiency in electrical systems. An intelligent power factor correction system can improve this condition by automatically providing reactive power compensation. The system monitors voltage and current in the motor circuit and determines the operating power factor. Whenthe power factor drops below a desired level, capacitor banks are connected through relay switching. This process improves thepower factor, reduces power losses, and enhances the efficiency and reliability of motor-driven electrical systems.
Key Words: power factor correction, single-phase induction motor, reactive power compensation, capacitor bank switching, intelligent controller.