Hybrid Anti-Resonance Capacitor System for Power Factor Correction

L. Herman, B. Blažič, and I. Papič (Slovenia)


Power factor correction, impedance characteristics, resonance damping, hybrid compensator.


This paper presents a hybrid compensator as a combination of three-phase shunt LC passive compensator connected in series with a small-rating active compensator. The main objective of the presented hybrid capacitor system is to compensate reactive power. The active part of the filter is used to prevent the resonance amplifications of current harmonics. As a result, no harmonic resonance occurs under any system condition. The effectiveness of the hybrid compensator is presented in a real industrial network and verified by digital simulation. 1B

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