Direct Power Control in Doubly-fed Wind Turbine Induction Generators using Fuzzy Controller
Subject Areas : Power Engineering and Energy Management
1 - Department of Electrical Engineering, Fasa Branch, Islamic Azad University, Fasa, Iran
Keywords: Wind Energy Conversion Systems, Variable Speed Wind Turbines, Doubly-Fed Induction Generators, Maximum Power Point Tracking,
Abstract :
Wind is a convenient and powerful source of energy. Power generation in a variable speed wind turbine is an interesting topic; since in wind energy converter systems, maximum utilization can be achieved at any speed. But this system needs its parameters to calculate the optimal speed of the turbine. In this article, a control method for tracking the maximum power point in the wind energy converter system is presented, which has been used for simulation and design along with fuzzy control by Mamdani method. In this article, the wind energy converter system is a two-fed induction generator, which is connected to the grid with a rotor and a stator. The input of the control system is the difference between the desired speed of the generator and its actual speed. The optimal speed is the rotational speed at which the generator receives the maximum power from the wind turbine. After conducting simulations and designing a suitable fuzzy controller for the system, it was found that the incorrect selection of a parameter has an adverse effect on the control process of a system.
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