Model:BF-H-3K Generator Type: Direct drive permanent magnet VAWT, 3 phase AC Power(w):3000 Rated wind speed(m/s):9-11 Rotor diameter(m):3 Start-up wind speed(m/s):3 Height of blade(m):3.6 Range of working wind speed(m/s):3-25 Material of blades and numbers:Glass Fiber Reinforced Plastic/3 Survival wind speed(m/s):50 Rated rotor speed(m/s):150r/min Output Voltage:AC220/380V Speed regulation method:Electromagnetic control Stop method:Electromagnetic brake Wind energy utilized coeffeicent:30%-40% Sweep wind area:8.065sq.m Range of working temperature:-45℃-60℃ Suggested supporting battery:18pcs12v100ah Top weight (kg):323 Tower type and height:Free standing tower/8m