Abstract
An efficient control system is required to operate various components of the wind energy conversion system smoothly. One of the most significant elements for the proper operation of wind turbine blades is the pitch angle control system. This paper has developed a pitch angle controlling algorithm for vertical axis wind turbines, and its performance is evaluated in a simulated environment using MATLAB/Simulink software. The effect of pitch angle variations on power production has been investigated. When the wind speed crosses the limited value of the rated power, the pitch control algorithm steps in and adjusts the blade pitch angle (beta) by an appropriate increment, allowing the power output to remain within the rated amount. The proposed system has a rated output power of 1 kW, consisting of a permanent magnet synchronous generator, a vertical-axis wind turbine incorporated with a pitch controller, and an MPPT-controlled boost converter.
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