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Power quality with solid state transformer integrated smart-grids

Abstract:

This paper presents the mathematical model of a three phase Solid State Transformer (SST). The model is designed in PLECS. The model is integrated into a grid with high penetration of non-linear loads. The model addresses constraints including smooth voltage regulation, permitted Total Harmonic Distortion and the incorporation of distributed generation and energy storage. The main feature of the SST is the absorption of wave distortion such as sag and swell, which are considered in the SST design. The main contribution of this research prevails in the inclusion of the SST model that allows a bi-directional power flow considering high power quality leading to the vision of smart grids.