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

Asif Ali Lund, Muhammad Usman Keerio, Mohsin Ali Koondhar, Muhammad Ismail Jamali, Abdul Qadeer Tunio

Abstract


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


Keywords


Power system, Fuzzy based UPFC, ANN based UPFC, Flexible Alternating Current Transmission

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References


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DOI: http://dx.doi.org/10.36785/jaes.111456

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