H4.8-3kW Specifications

Configuration

3 Blades, Horizontal axis, Upwind

Rotor Diameter

Ф4.85m

Blade Length

2.34m

Swept Area

18.86 m2

Direction of Rotation

Clockwise looking upwind

Blade Material

Fiberglass reinforced composite

Rated Power

3KW,10m/s

Maximum Output Power

3.3KW,20m/s

Direct Voltage

180V,DC

Direct Current

16.7A,DC

Cut-in Wind Speed

3 m/s

Rated rotating rate

265 r/min

Working Wind Speed

3-25 m/s

Survival Wind Speed

50 m/s

Alternator

Permanent magnet alternator, SCF technology

Alternator Weight

72 kg

Generator Efficiency

>0.80

Wind Energy Utilizing Ratio

0.40 Cp

Energy monitoring & User control

Siemens touch screen,Siemens PLC controller,internet communication& remote monitoring

Gearbox

None, direct-drive generator design

Hydraulic Braking System

Siemens servo motors drive braking cylinder(optional configuration)

Dogvane/Anemometer

Mechanical(standard configuration) ; Ultrasonic(optional configuration)

Over Speed Protection

Auto Yawing+Brake

Shutting Down Method

Manual & Automatic electromagnetism Braking

Warranty

2 years for generator and 1 year for other parts