Investigation of advanced control for unified power flow controller (UPFC) to improve the performance of power system

Recently, global power demand has significantly increased. As this does not have proportional impact with transmission capacity and generation. The new techniques are used to improve system performance. Flexible Alternating Current Transmission System (FACTS) devices applied the existing network capacity. Unified Power Flow Controller (UPFC) been selected in study control flow networks operation. In paper, Artificial Neural Network (ANN) proposed overcome problems of UPFC controller tested using IEEE-14 bus various test cases. results showed that ANN improved efficiency successfully by increasing active flow, reducing reactive power, improving voltage profile. performance ANN-based also compared Proportional Integral (PI) based Fuzzy Logic (FLC) shows its effectiveness. simulation shown proved robustness all parameters PI-based UPFC.