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Performance Measure of Shunt Active Power Filter Applied with Intelligent Control Technique

Agrawal Seema, Chourasiya Seemant, Palwalia Dheeraj Kumar

Journal of Power Technologies

2020

Vol. 100, nr 3

272--278

This paper describes a shunt active power filter for compensating harmonic currents and reactive power. The shunt active power filter (SAPF) was implemented with a phase pulse modulated current control voltage source inverter. The proposed system is based on PLL synchronization with reduced fuzzy logic controller (RD-FLC). These control techniques for SAPF prove that source current is sinusoidal even when load is nonlinear. The CC-VSI inverter switching is done according to gating pulse obtained from the hysteresis controller using RD-FLC controller. The proposed system is investigated using simulation results. The effectiveness of the controller is observedin the form of total harmonic distortion, reactive power compensation and settling time of dc link voltage under non linearload condition. This technology reduced the rules of fuzzy logic controller from 49 to 37.

An efficient algorithm to tuning PI-controller parameters for shunt active power filter using ant colony optimization

Berbaoui B., Benachaiba C., Rahli M., Tedjini H.

Przegląd Elektrotechniczny

2011

R. 87, nr 6

140-145

This paper presents an optimal control method entitled ant colony PI controller (ACO-PI) for extracting the reference compensating currents to shunt active power filter (SAPF) under balanced voltages conditions, which is applied to eliminate line current harmonics and compensate reactive power. Two different control methods has been proposed for SAPF based on proportional-integral (PI) controller and intelligent PI-controller with ACO are presented. The identification theory based on instantaneous power (p-q) is used to establish the suitable current reference signals. The simulation results show that the new control method using ACO approach is not only easy to be implanted, but also very effective in reducing the unwanted harmonics and compensating reactive power. The studies carried out have been accomplished using the MATLAB Simulink Power System Toolbox.

W artykule zaprezentowano wykorzystanie kontrolera PI bazującego na algorytmie mrówkowym ACO do sterowania aktywnym filtrem mocy. Zaproponowano dwie metody sterowania – z kontrolerem PI I kontrolerem ACO. Symulacje wykazały że nowy kontroler jest nie tylko łatwy do implementacji ale także efektywnie redukuje niepożądane harmoniczne i moc bierną.