green energy/windmill generator/wind turbine

500w wind turbine
1.High efficiency,security,stablity
2.low weight,low start-up wind speed.
3.long service life
4.No noise
Model:BF-H-500
Generator Type: Direct drive permanent magnet VAWT, 3 phase AC
Power(w):500
Rated wind speed(m/s):9-11
Rotor diameter(m):1.3
Start-up wind speed(m/s):2.2
Height of blade(m):1.6
Range of working wind speed(m/s):2.2-25
Material of blades and numbers:Glass Fiber Reinforced Plastic/5
Survival wind speed(m/s):50
Rated rotor speed(r/min):150
Output Voltage:AC24/48V
Speed regulation method:Electromagnetic control
Stop method:Electromagnetic brake
Wind energy utilized coeffeicent:30%-40%
Sweep wind area(sq.m):1.32665
Range of working temperature:-45-60 centigrade
Suggested supporting battery:4pcs12v80ah
Top weight (kg):70
Tower type and height:Guy cable tower/8m