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.
Highlights
The knowledge used in the power system utilities has improved rapidly to achieve the development in the power system operation
All Flexible Alternating Current Transmission System (FACTS) devices are efficient for distinct power system operations, anyway, Unified Power Flow Controller (UPFC) has gained epic popularity between them
In the behind time of the 1980s, the EPRI in the US-guided the basic research of FACTS to hold the adaptability and quality of energy frameworks by utilizing Power electronic controllers. This investigation has been given in the IEEE conference and workshops in the global meeting formulated by Electric Power Research Institute (EPRI) in Cincinnati, Ohio September in 1990 [7]
Summary
The knowledge used in the power system utilities has improved rapidly to achieve the development in the power system operation. Utilities connected in the network can draw power from generator assets of the various parts for building the power system consistency Such conditions could cause voltage or frequency instability and line overloading [1]. The finite energy sources, environmental restriction, and time required to build another transmission system have led the specialists to find other options to increase the capacity of power in the available transmission systems One of these effective alternatives is FACTS devices. FACTS stands for “Flexible Alternating Current Transmission Systems” This technology combines electronics-based controllers to mend manageability and enhances the power transfer ability of transmission networks [6]. In the behind time of the 1980s, the EPRI in the US-guided the basic research of FACTS to hold the adaptability and quality of energy frameworks by utilizing Power electronic controllers. FACTS controllers increment the stacking capacity of the transmission lines contrasted with their thermal abilities
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