Optimal placement of facts devices to reduce power system losses using evolutionary algorithm

Mahmood Khalid Zarkani, Ahmed Sahib Tukkee, Mohammed Jasim Alali

Abstract


The rapid and enormous growths of the power electronics industries have made the Flexible AC Transmission System (FACTS) devices efficient and viable for utility application to increase power system operation controllability as well as flexibility. This research work presents the application of an evolutionary algorithm namely Differential Evolution (DE) approach to optimize the location and size of three main types of FACTS devices in order to minimize the power system losses as well as improving the network voltage profile. The utilized system has been reactively loaded beginning from the base to 150% and the system performance is analyzed with and without FACTS devices in order to confirm its importance within the power system. Thyristor Controlled Series Capacitor (TCSC), Unified Power Flow Controller (UPFC) and Static Var Compensator (SVC) are used in this research work to monitor the active and reactive power of the carried out system. The adopted algorithm has been examined on IEEE 30-bus test system. The obtained research findings are given with appropriate discussion and considered as quite encouraging that will be valuable in electrical grid restructuring.


Keywords


FACTS devices, Differential evolution (DE), Optimal location and size, Power flow, Objective function

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DOI: http://doi.org/10.11591/ijeecs.v21.i3.pp%25p
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