Abstract
As a clean and renewable energy with huge reserves, wind energy has been widely developed and utilized worldwide. Wind turbine blades are one of the main components of wind power generation. The degree of conversion of wind energy by the blades can determine the efficiency of the wind turbine. This paper aims to optimize the design of low-speed wind turbine blades with a rated power of 600 kW and an average wind speed of 4.3 m/s at the hub height. Wind turbines use variable speed and pitch control to determine the design parameters of the wind turbine. We choose an airfoil with good aerodynamic performance at low wind speeds. The Wilson design method is used to calculate the chord length, torsion angle and other parameters of each segment of the blade, complete the preliminary shape design of the low-speed blade, and calculate its aerodynamic performance.
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