Abstract

Due to the increasing insertion of distributed generation in the electric power system, new technologies are necessary to ensure power quality the energy quality. The concept of Smart Grids stands out because it provides an improvement by integrating distributed generation and control systems capable of communicating with each other. As a tool to make Smart Grids viable, the Solid State Transformer (SST) has been studied, capable to perform the same functions as the conventional distribution transformer (LFT – Low Frequency Transformer), as well as several auxiliary services that allow the required levels of quality to be achieved. Therefore, this work presents a review and a comparison between the conventional transformers and the SST, in order to highlight the importance of its implementation. In addition, the impact of SST in the power network instead of LFT is presented. Finally, the reactive power control results are presented for voltage and power factor regulation.

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