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The emergence of wind turbine systems for electric power generation can help satisfy the growing global demand. This paper proposes a control strategy to maximize the wind energy captured in a variable speed wind turbine, with an internal induction generator, at low to medium wind speeds. The proposed strategy controls the tip speed ratio, via the rotor angular speed, to an optimum point at which...
In this paper, the authors propose a behaviour simulation of a micro power station system for electric power generation in isolated equatorial regions, e.g. Africa and South America. These remote areas have usually a good potential of hydroelectric relative to small community or activity need. They are characterized by sufficient rainfall, which leads to the steady average flow of the rivers. Despite...
In this paper, a vector control strategy for a doubly-fed induction generator (DFIG) driven by a wind turbine and connected to grid utility is presented. Although the rotor inverter is controlled with an optimized space vector modulation algorithm (SVM), the rotor currents are not perfectly sinusoidal which causes undesirable fluctuations of generating active and reactive stator powers. In order to...
The power generation system with a doubly fed induction generator operating autonomously is described in the following paper. A simplified topology of the power electronics converter connected to the rotor was applied. The subsynchronous range of speed is mainly possible for this system, but in the negative rated slip range it can operate also. The external source is used for initial excitation of...
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