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1.Advantage:
A.Advanced SCF supercritical generator technology, generator weight is 1/3-1/5 of traditional ones, make hummer wind turbine lighter,smaller and more efficient;
B.Innovative breeze start patent technology;
C.Two SKF bearing, stable inner and outer ring, it has higher rated bearings and lower noise as well as long service life;
D.Top quality component, hummer generator body wins 4 proprietary intellectual property rights, which be made of high-efficiency magnetic materials, special copper alloy, high-strength stainless steel and aeronautic aluminum alloys, make high generating efficiency.
2.Parameters:
| H4.6-3KW off-gird wind turbine Specifications | |
| Configuration | 3 Blades, Horizontal axis, Upwind | 
| Rotor Diameter | Ф4.9 m / 16.1 ft | 
| Swept Area | 18.86 m2 / 203.0 ft2 | 
| Direction of Rotation | Clockwise looking upwind | 
| Blade Material | Fiberglass reinforced composite | 
| Rated Power | 3 kW @ 10m/s / 22.4 mph | 
| Maximum Output Power | 3.3 kW @ 20m/s / 44.7 mph | 
| Battery Bank Voltage | 180 Vdc | 
| System Output Voltage | 110/220 Vac | 
| Cut-in Wind Speed | 3 m/s / 6.7 mph | 
| Rated rotating rate | 265 r/min | 
| Working Wind Speed | 3-25 m/s / 6.7-82.3 mph | 
| Survival Wind Speed | 50 m/s / 164 mph | 
| Alternator | Permanent magnet alternator, SCF technology | 
| Alternator Weight | 72 kg / 158.7 lbs | 
| Generator Efficiency | >0.80 | 
| Wind Energy Utilizing Ratio | 0.40 Cp | 
| Energy monitoring & User control | Siemens PLC controller with touch screen | 
| Gearbox | None, Direct drive with front generator design | 
| Over Speed Regulation | Auto Yawing | 
| Shutting Down Method | Manual & Automatic electromagnetism Braking | 
| Warranty | 2 years for generator and 1 year for other parts | 
3.Curve
	
 
4.Working principle