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This paper describes the development and testing of a software simulator to calculate the flow of geomagnetically induced currents (GIC) in an electrical power transmission grid. In this paper, a new technique for mapping the location of transmission equipment for the purposes of GIC simulation is proposed. The DC modeling of autotransformers for the purpose GIC studies is discussed. The simulator...
This paper deals with modeling and stability analysis of a doubly-fed induction generator (DFIG)-based wind-power unit that is interfaced with the grid via a series-compensated transmission line. A detailed mathematical model is developed in this paper that takes into account dynamics of the flux observer, phase-locked loop (PLL), controllers of the power-electronic converter, and wind turbine. Using...
This paper presents practical solutions to mitigate the adverse effects on distance protection schemes when they are used to protect transmission networks that are compensated by shunt connected flexible AC transmission system (FACTS) controllers/devices. Two types of shunt-FACTS devices, static var compensator (SVC) and static synchronous compensator (STATCOM), are considered and designed to regulate...
This paper presents the performance of distance protection of transmission lines when compensated with shunt flexible AC transmission system (FACTS) controllers/devices. The performance of distance protection is evaluated for shunt-FACTS controllers applied for mid-point voltage control. The impact of two types of shunt FACTS controllers, static VAr compensators (SVC) and static synchronous compensators...
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