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H4.6-3kw off-grid wind generator system



 


1.Advantage:

A.Made of refined permanent magnetic material ,special copper alloy ,aviation aluminum alloy and stainless steel ,it is highly efficient in power .Due to the small size ,it is able to be placed inside the nose cone .

 

B.This unique and patented design means less air resistance and better heat spread.That is to say lower start-up wind speed (2.5m/s) and better working condition for the generator .Lower start up wind speed is particularly imporatant for small wind turbines .It means more energy grasped from the wind .

 

C.Though larger in size and weight ,compared with smaller Hummer turbines ,3kw wind generator's efficiency is still kept over 0.8 .

 

D.In order to ensure longer lifespan and better performance ,3kw wind energy generator adpots S.K.F bearings .All nuts and blots are made of stainless steel .

 

E.Furthermore ,inside the generator we placed a temperature detector .If the temperature rises over alert level , it will stop working automatically .

 

2.Parameters

H4.6-3KW off-grid wind generator system 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

3KW Wind Turbine Power Curve

 

4..Working principleH4.6-3KW Off-Grid Wind Generator System

 



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