Abstract
The main contribution of this paper is to present a methodology proposal for the development of active and reactive power control of a wind power generation system connected to the grid using the three-phase induction generator with a squirrel cage rotor (SCIG). The SCIG stator terminals are connected to electric grid before the inductive filter using an AC/DC/AC power converter topology, called back-to-back, while the rotor terminals are short circuited, so that the SCIG’s active and reactive power control techniques are presented. The control of grid side converter (GSC) is presented, responsible for the power control and also for keeping the DC bus voltage constant. The control of induction generator side converter (IGSC) is presented also, in which vector control is used in rotor variables, so that the SCIG is controlled through the torque references and magnetizing current. The studied system was mathematically modeled and simulated using Matlab/Simulink software.
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