Current Harmonic Compensation and Power Factor Improvement by Hybrid Shunt Active Power Filter

In this paper the current harmonic can be compensated by using the Shunt Active Power Filter, Passive Power Filter and the combination of both. The system has the function of voltage stability, and harmonic suppression. The reference current can be calculated by dq transformation. An improved generalized integrator control was proposed to improve the performance of APF. The simulation results of the non- linear systems have been carried out with MATLAB 7.6.