Power Factor of the system is degraded due to inductive load of different industries and big apartments. Power-Sonic manufactures PFI (Power Factor Improvement) Plant for improving the degraded Power Factor of the system. We have microprocessor based PFC (Power Factor Correction) relay up to 24 stages. The Capacitors we use are of different ratings (2.5, 5, 10, 20, 25, 50 KVAR…. etc) and corresponding Magnetic Contactor for suitable stepping of the Capacitor bank. Sometimes we also use detuned Reactor with the Capacitors for harmonic filtration of the system.