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In this paper, a distributed multi-agent scheme is presented for reactive power management with renewable energy sources (RESs). The multi-agent system (MAS) framework is developed for distribution systems to improve the stability which is mostly dominated by voltage and the agents in this framework coordinate among themselves using online information and energy flow. In this paper, the agents basically...
This paper analyzes the impact of using a series capacitor (SC) on voltage stability issues caused by the high penetration of wind energy in a transmission network. Voltage stability during normal operation, voltage sag characteristics, and low voltage ride through (LVRT) capability, harmonics and flickers produced by fixed-speed wind turbine (FSWT) and doubly-fed induction generator (DFIG) wind farms...
This paper focuses mainly on the assessment of the transient stability of a smart power grid, including the effect of its generator load changing under different fault locations, using intelligent agent-based technology. To enhance a system's transient stability, its protection devices should operate before the critical clearing time (CCT) to avoid loss of synchronism. In this research, a multi-agent...
This paper presents the use of the multi-agent technology in order to enhance the transient stability of power systems by the dynamic evaluation of the critical clearing time (CCT) including the effect of the distance of fault locations and the impact of the renewable energy source (RES) integration. A multi-agent framework is developed in this research, where the intelligent agents use an algorithm...
In this paper, the voltage profile and power quality issues of a distribution network with distributed generator (DG) and series compensation are investigated. A doubly-fed induction generator (DFIG)-based DG unit and a series capacitor (SC) and a thyristor-controlled series capacitor (TCSC) are considered for the analysis. Series compensation is implemented to reduce voltage drops in the line and...
The critical fault clearing time is an indicator of transient stability margin and it changes with the generator load condition. If the protection devices are capable of operating before the critical clearing time (CCT) and also providing faster auto-reclosing as soon as the fault is cleared, then the system will not loose its synchronism and remain in stable operation. The goal of this paper is to...
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