In the recent decade, renewable energy sources (RES) such as wind and photovoltaic (PV) power generations gained more attention. However, despite their proven role in reduction of operating costs network, integration has some serious challenges inherent uncertainties balance at grid. Some options to face these challenges, well enhance network’s flexibility, are demand response (DR), distributed...

This paper describes how multi-agent system technology can be used as the underpinning platform for voltage control in power systems. In this study, some FACTS (flexible AC transmission systems) devices are properly designed to coordinate their decisions and actions in order to provide a coordinated secondary voltage control mechanism based on multi-agent theory. Each device here is modeled as ...

With the introduction of competition in the existing electrical market, it becomes necessary to enhance the transmission capacity of the power system through the existing transmission lines. The utilization of FACTS technologies can have significant impact on power system reliability. Low cost and feasibly better improvement can be achieved by using power electronics based devices in the system...

Voltage collapse; Sequential quadratic programming; FACTS devices; Voltage security margin; Optimal continuous power flow. Abstract In this paper, an effective method is presented to determine the security margin against voltage collapse, and improve it by means of FACTS devices in the optimal continuous power flow framework. The primary methods for determining the system’s critical states of v...

<p>Flexible alternating current transmission system (FACTS) devices are deployed for improving power system’s stability either singly or as a combination. This research investigates hybrid FACTS and studies their impact on voltage, small-signal transient simultaneously under various disturbances. The simulations were done using five devices-static var compensator (SVC), static synchronous...