Model:BF-H-300 Generator Type: Direct drive permanent magnet VAWT, 3 phase AC Power(w):300 Rated wind speed(m/s):8-10 Rotor diameter(m):1.2 Start-up wind speed(m/s):1.8 Height of blade(m):1.4 Range of working wind speed(m/s):1.8-25 Material of blades and numbers: Glass Fiber Reinforced Plastic/5 Survival wind speed(m/s):50 Rated rotor speed(m/s):180r/min Output Voltage:AC24V Speed regulation method: Electromagnetic control Stop method: Electromagnetic brake Wind energy utilized coeffeicent:30%-40% Sweep wind area(㎡):1.1304 Range of working temperature:-45℃-60℃ Suggested supporting battery :2pcs12v100ah Top weight (kg):50 Tower type and height: Guy cable tower/6-8m