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In this paper we address the growing concerns of wind power integration from the perspective of power system dynamics and stability. We propose a new retrofit control technique where an additional controller is designed at the doubly-fed induction generator site inside the wind power plant. This controller cancels the adverse impacts of the power flow from the wind side to the grid side on the dynamics...
Since the penetration of wind power in power system is increasing greatly it is urgent to study the impact of wind power on the dynamic stability of power system. Doubly fed induction generator (DFIG) is widely utilized in large wind power plants. Therefore the dynamic behaviors of DFIG wind turbines is necessary to be studied. This paper presents the impact of static VAr compensator (SVC) on the...
Inverse system method for nonlinear control is introduced to the excitation control for a synchronous generator in this paper. The nonlinear model of the single machine-infinite bus system was transformed to the corresponding pseudo-linear system, and a variable structure controller was designed to the pseudo-linear system. A saturation function was used to eliminate the chatter of variable structure...
It is expected that increasing amount of distributed generation (DG) will be connected to electrical power systems in the near future. When these generations are in small amounts, their impacts on power system dynamics will be negligible. But if the penetration level becomes higher, distributed generations may start to influence the dynamic behavior of a power system as a whole and its impacts is...
During recent years, the size of individual wind turbines has grown closer to 10 MW, and the size of wind power plants has increased significantly to 300 MW or more. This growing size of wind power generation requires that careful evaluation of transient stability of the overall grid should be undertaken. This paper attempts to investigate the impact of wind power plant penetration on the transient...
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