Numbers of blade(P): 3 Materials of blade: 1.0 cold- rolled iron Diameter of wind turbines(m): 2.3 Out-in(start)wind speed: 3 Out-out(outage)wind speed: 25 Rated wind speed(m/s): 8 Rated speed(rotate/minute): 400 Max. wind speed(m/s): 40 Wind energy ratio(%): 0.41 Generator: Permanent magnetic generator Generator rated power(W): 300 Max.output power(W): 450 Output voltage(V): 28 Rated current(A): 10.7 Type of off-course: Wind direct-ion is decided by tail Type of limit speed: Stanting limited by automatic Protect: Manual Tower: Flexibility guy Altitude of tower(m): 6 Charging control: electron Weight (kg): 90 Power generation of years(kwh): 750 Inverter power supply: Square wave Battery: N120x2 Time of charging(h): 12