Abstract
Power quality problems in the distribution system have tremendously escalated due to numerousconsumptions of various types of loads especially nonlinear loads. These problems have affectedthe utility grid and the consumers in the distribution system resulting in equipment breakdown,overheating in utility system equipment, and other problems related to electronics devices that arebeing used by the utility system and the consumers. The electronics devices are quite sensitiveand can be malfunctioned even with small disruptions that occured in the supply power system.The power quality problem involved with nonlinear loads can be mitigated by using DistributionStatic Synchronous Compensator (DSTATCOM). This paper proposed a method for power qualityimprovement by using a Frequency Domain-based Voltage Reference Configuration (VRC) controlalgorithm for the Distribution Static Synchronous Compensator (DSTATCOM) in a three-phasedistribution system. The performance of the proposed control algorithm is simulated in the MATLABenvironment using Simulink. It is verified that the proposed control algorithm can reduce the THDof the distorted grid current at the Point of Common Coupling (PCC) below 5% according to theIEEE Standard 519:2014 under nonlinear loads and unbalanced loads conditions.
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