Performance analysis of various soft computing controller-based dynamic voltage restorer Online publication date: Sat, 29-Jun-2019
by J. Kohila; A. Muthu Kumar; S. Kannan
International Journal of Systems, Control and Communications (IJSCC), Vol. 10, No. 3, 2019
Abstract: The implementation of custom power devices (CUPD) such as dynamic voltage restorer (DVR), distribution static compensator (DSTATCOM) and unified power quality conditioner (UPQC) has become essential for reducing the impact of PQ problems. More specifically, DVR plays vital role for proving solution to the voltage sag problems and to restore the load voltage with in few milliseconds. The performance of the DVR depends on the control strategy adopted with the algorithm. Synchronous reference frame theory (SRFT)-based ANFIS controller is proposed in this paper. The performance of the proposed control strategy is simulated for various conditions like line to ground, double line to ground and three phase fault in MATLAB/Simulink. From the simulation study, it is found that the ANFIS-based DVR helps to mitigate the voltage sag and reduces the harmonics. The proposed ANFIS-based DVR compared with PI, fuzzy and ANN-based controllers.
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