A New Control Strategy with Fuzzy Logic Technique in Distribution System for Power Quality Issues

SUBRAMANI CHINNAMUTHU, Paduchuri Chandra Babu, Ramazan Bayındir, Dash S.S, Mihir Narayan Mohanty

Abstract


A new control structure for two feeders, three phase four wire distribution systems (3P4W) operating with multi-converter unified power quality conditioner (MC-UPQC) is proposed in this paper. The modified synchronous reference frame theory (MSRF) is mainly used in the new controller design. The proposed system is designed and applied for two feeders of 3P4W with UPQC. This system associated with three voltage source converter which is connected commonly to two feeder distribution systems. Under linear and nonlinear load conditions, the proposed control scheme is simulated with 3P4W and it is efficiently compensate the voltage sag and reduce the total harmonics distortion. The fast dynamics response of dc link capacitor is achieved with the help of FLC controller (Fuzzy logic controller). The neutral current flowing in series transformers of the two feeders is zero with the implementation of proposed system.


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Keywords


Power Quality; MSRF; MC-UPQC; VSC

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References


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