International Journal of Engineering and Advanced Technology Studies (IJEATS)

EA Journals

PI controller

Power Quality Improvement for Distribution Network by Design of Two Control Strategies for Active Power Filter (Published)

This paper introduces a design for two different control strategies (proportional integral (PI)-controller and Instantaneous Active and Reactive Power (PQ) method) based on hysteresis current control technique (HCCT) which are applied on shunt active power filter (SAPF) used in distribution system including of nonlinear load to achieve harmonics mitigation and reactive power compensation, where the presence of nonlinear load causes different disturbances and leads to poor power system quality, therefore shunt active power filter has been proposed to provides good harmonic compensation and limit the total harmonic distortion in distribution system to an acceptable values specified by power quality standard and finally get power quality improvement. Where the performance of shunt active power filter depends on the accuracy of the control theory, MATLAB / SIMULINK power system toolbox is used to simulate the proposed distribution system and simulation results are presented and discussed against two control method’s performance to showing the effectiveness of the control algorithm.

Keywords: APF, HCCT, PI controller, PQ, SAPF

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