Optimal Placement of DSTATCOM into the Government Feeder Lafia of Abuja Electricity Distribution Network Using Artificial Bee Conoly

Y. S. Umar, U. O. Aliyu, Y. S. Haruna

Abstract


Flexible AC transmission system (FACTS) devices provide significant opportunities for regulating the transmission of alternating current (AC) and bus voltages. These devices have the capability to increase or decrease power flow in specific lines, offering nearly instantaneous response to stability issues. The potential of FACTS technology lies in its ability to control the route of power flow and connect networks that are not adequately interconnected, facilitating energy trading between agents. There are several types of FACTS devices, each connected in different ways within the network. These include series devices, shunt devices, and combinations of the two. Examples of FACTS devices encompass the static compensator (STATCOM), Thyristor control series compensator (TCSC), series capacitor synchronous compensator (SCSC), Unified power flow controller (UPFC), and Generalized unified power flow controller (GUPFC), among others. In the context of the Abuja electricity distribution network, particularly at the government feeder Lafia, there is a significant need to address the higher reactive power. To mitigate this issue, it is essential to insert a Unified Power Flow Controller (UPFC) into the feeder. By doing so, the adverse effects of higher reactive power can be minimized. To optimize the performance of the network and achieve power loss minimization and voltage profile improvement, the optimal location of a Dynamic Static Synchronous Compensator (DSTATCOM) needs to be determined. This can be achieved by employing the Artificial Bee Colony (ABC) algorithm, which aids in identifying the most suitable location for the DSTATCOM within the network. The proposed methodology involves implementing the ABC algorithm to determine the optimal placement of the DSTATCOM. Power flow analysis of the network is then performed using MATLAB, comparing scenarios with and without the DSTATCOM. The simulation results obtained are analyzed to assess the impact on power loss reduction and voltage profile enhancement, enabling the derivation of necessary recommendations. In conclusion, FACTS devices play a vital role in regulating AC transmission and bus voltages. By employing the appropriate FACTS technology, such as the UPFC, the adverse effects of higher reactive power in the Abuja electricity distribution network can be mitigated. Furthermore, through the optimal placement of the DSTATCOM using the ABC algorithm, power loss can be minimized, and voltage profiles can be improved. These measures contribute to the overall stability and efficiency of the power system.

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