Load Analysis and Calculation Optimization of Horizontal Axis Wind Turbine Blades

Bi Junxi,Zheng Chenglong,Huang Hongzhong,Zhou Yan,Li Xiaoxue

Table 3 Basic parameters of blades

Power P=1.5MW The rated wind speed V=10m/s Aerofoil NACA4412 series Blade length R=3.2m Blade number B=3 Rated speed n=20r/min Cut - in wind speed V1=4m/s Cut - out wind speed V2=25m/s Air density 1.225kg/m3