WSEAS Transactions on Systems and Control
Print ISSN: 1991-8763, E-ISSN: 2224-2856
Volume 10, 2015
Real Time Implementation of Sliding Mode Based Direct and Indirect Current Control Techniques for Shunt Active Power Filter
Authors: , ,
Abstract: This paper presents a new and efficient control algorithm which adopted the voltage source inverter to decrease current harmonics generated by the nonlinear load. The sliding mode control (SMC) is employed with the current control loop to achieve fast dynamics control and a simple proportional-integral (PI) controller is adopted in the outer voltage control loop to achieve slow dynamics control. The proposed scheme implements simplified control algorithms depending on the direct current control (DCC) and indirect current control (ICC) techniques for designing trajectories in sliding mode control based shunt active power filter (SAPF). The performances of the DCC and ICC techniques were verified through a simulation with MATLAB-SIMULINK and real-time implementation in Opal RTLab. A comparison has been made between the two configurations showing their topological contrasts and load compensation capabilities under ideal, unbalanced and distorted source voltage conditions.
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Pages: 186-197
WSEAS Transactions on Systems and Control, ISSN / E-ISSN: 1991-8763 / 2224-2856, Volume 10, 2015, Art. #21