Dear Sir, We have one 1kw 5kw and 30kw wind turbine in stock,if you want,pls send me e- ... (KW)30Material of the bladesFiberglass-Reinforced PlasticsRated wind speed(m/s)12Speed regulation methodPassive pitchStartup wind speed(m/s)3Generator style3-phase ... AC PMWorking wind speed(m/s)4~25Tower height ...