Product advantages:
1. Dual, automatic emergency braking system
2. Sealed Sweden SKF bearing
3. Waterproofing
4. Unique Anti-Vibration design
5. Efficient Aero-dynamic design
6. High strength, corrosion resisting aluminium alloy
7. Unique neodymium iron boron permanent magnetic material
8. Low noise level
Main characteristics:
1. ADJUSTABLE blade angle and blade design to achieve maximized efficiency
2. Low start-up wind speed ONLY 1.5 M/S
3. Large range of wind speed usability (2m/s-20m/s)
4. Cp value about 0.43
5. All-over automatic system
Quality guarantee:
1. Two-year limited guarantee
2. Highest quality manufacturing standards (ISO9001)
3. Wide range of temperature tolerance 4. High salt fog, dust and sand resistance
5. Strong wind resistance and high survival wind speed
6. Durable materials and components(i. E. Sweden's SKF bearing)
Easy transportation and installation:
1. Light and compact size
2. Intuitive online installation guides
3. Wide installation and maintenance network worldwide
4. Perfect after-sales service system
Technical Specifications:
Model Airforce 4.1
Rated output power 5 kw
Max. Output power 5.1 kw
Rated wind speed Grid-tied 380Vdc / Off-grid 48Vdc
Max. Wind speed 12 m/s
Survival wind speed 20 m/s
Start-up wind speed 60 m/s
Cut-in wind speed 1.5 m/s
Rated rotational speed 2 m/s
Max. Rotational speed 390 rpm
No. Of blades 455 rpm
Rated output power 3
Rotor diameter 4.1 m
Blade length 2.02 m
Blade material FRP
Generator 3 phases PM generator
Braking system Electromagnetic braking control system
Type Downwind rotor
Yaw control passive
Total weight 120 kg
Warranty Whole system-2 years
Controller Full-automatic control
Tower 12 m(optional)
Our company--Hopeful Wind Energy founded in 2003, with CE and ISO9001 certification, is a professional design and manufacturer of small wind turbines, have 600W, 1KW, 5KW, 10KW, 20KW, 30KW, 50KW, etc., has our own production workshop and professional engineer. At present, our products are mainly exported to countries in Asia, Europe, and other country. 1KW and 5KW wind turbines is our new model and very hot sell products which have perfect design. We also have 1KW, 5KW(or more)wind/solar hybrid system, according to your specific needs, we'll give you suggestion of suitable wind/solar hybrid system.
