0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine

Product Details
Customization: Available
Output Type: AC Three Phase
Number of Blade: Three Blade
Manufacturer/Factory, Trading Company
Diamond Member Since 2016

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Plant Area
501~1000 square meters
Management System Certification
ISO 9001, HSE, QHSE
  • 0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine
  • 0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine
  • 0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine
  • 0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine
  • 0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine
  • 0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine
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Basic Info.

Model NO.
VAWT
Stress Way of Blade
Resistance
Power
<10kW
Certification
CE, ISO
Generator Type
Disc Coreless Permanent Magnent Generator
Generator Material
Aluminium Body+Copper Wire+ND-Fe-B
Blades Number
3PCS
Blades Material
FRP
Transport Package
Foam+Plywooden Case
Specification
CE ISO BV
Trademark
GREEF
Origin
Qingdao, Shandong, China
HS Code
8502310000
Production Capacity
200sets/Month

Product Description

               vertical axis wind turbine


Vertical Windmill Turbine (VAWTs) are a type of wind generator where the main rotor shaft is set vertically and the main components are located at the base of the turbine. VAWTs offer a number of advantages over traditional horizontal-axis wind turbines (HAWTs). They can be packed closer together in wind farms, allowing more in a given space. They are smaller, but rather due to the slowing effect on the air that HAWTs have, forcing designers to separate them by ten times their width.

GreeF Vertical  Windmill Turbine are rugged, quiet, light, Omni-directional, and they do not create as much stress on the support structure. They do not require as much wind to generate power, thus allowing them to be closer to the ground. By being closer to the ground they are easily maintained and can be installed on rooftop and similar tall structures.


Recommend for
Household, Garden, farm
Telecom sites. Rural electrification programs. Island, sentry, island, sight lighting.

The Vertical Windmill Turbine is often used in conjunction with solar panels to provide more reliable year-round energy supply.



0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine





Technical Specification
GREEF 300W Vertical Wind Generator
Model GV-300W
Rated Power(W) 300W
Max Power(W) 400W
Rated Rotor Speed(rpm) 200
Start Torque(N.M) <0.1
Blades Height(m) 1.3
Blades Rotor Diameter(m) 1.2
Blades Material&Quantitiy FRP /3PCS
Start Wind Speed(m/s) 1m/s
Rated Wind Speed(m/s) 10m/s
Working Wind Speed(m/s) 2-25m/s
Safety Wind Speed(m/s) 50m/s
Option Voltage(V) 12-24V
Generator Type Three-phase   AC out rotor disc permanent magnet direct drive generator
Protection Method Electromagnetic   disc brake+PWM
Generator Weight /Top Weight 13kg/50kg
Swept Area(m³) 1.56
System type Off-Grid
Controller Off-Grid solar wind   hybrid controller
Invertor Off-grid invertor
Tower Type Free folding tower
Tower Height 6m
Insulation Grade B
Protection Grade IP54
Working Termperature -40°C - 50°C
Life time 20 Years

GREEF 500W Vertical Wind Generator
Model GV-500W
Rated Power(W) 500W
Max Power(W) 650W
Rated Rotor Speed(rpm) 200
Start Torque(N.M) <0.3
Blades Height(m) 1.5
Blades Rotor Diameter(m) 1.6
Blades Material&Quantitiy FRP /3PCS
Start Wind Speed(m/s) 1m/s
Rated Wind Speed(m/s) 10 m/s
Working Wind Speed(m/s) 2-25m/s
Safety Wind Speed(m/s) 50m/s
Option Voltage(V) 12-24V
Generator Type Three-phase   AC out rotor disc permanent magnet direct drive generator
Protection Method Electromagnetic   disc brake+PWM
Generator Weight /Top Weight 20kg/64kg
Swept Area(m³) 2.4
System type Off-Grid
Controller Off-Grid solar wind   hybrid controller
Invertor Off-grid invertor
Tower Type Free folding tower
Tower Height 6m
Insulation Grade B
Protection Grade IP54
Working Termperature -40°C - 50°C
Life time 20 Years

GREEF 1KW Vertical Wind Generator
Model GV-1KW
Rated Power 1000W
Max Power 1500W
Rated Rotor Speed 120rpm
Start Torque <0.3N.M
Blades Height 2.6( 8.528 ft.)
Blades Rotor Diameter 1.8(5.904 ft.)
Blades Material&Quantitiy FRP /3PCS
Start Wind Speed 1m/s (2.24mph)
Rated Wind Speed 10m/s(22.4mph)
Working Wind Speed 1-25m/s (2.24-56 mph)
Safety Wind Speed 50m/s(112mph)
Option Voltage 24-220V
Generator Type Three-phase   AC out rotor disc permanent  magnet direct drive generator
Protection Method Electromagnetic   brake+PWM
Generator Weight /Top Weight 32kg/111kg
Swept Area 4.68 m2
System type Off/On Grid
Controller Off/on-Grid solar   wind hybrid controller
Invertor off/on- Grid invertor
Tower Type Free folding tower
Tower Height 6m(19.68ft.)
Insulation Grade B
Protection Grade IP54
Working Termperature -40ºC - 50ºC
Life time 20 Years
 
GREEF 2KW Vertical Wind Turbine
Model GV-2KW
Rated Power 2000W
Max Power 2500W
Rated Rotor Speed 120rpm
Start Torque <0.3N.M
Blades Height 3.7m( 12.14 ft.)
Blades Rotor Diameter 2.6m(8.528   ft.)
Blades Material&Quantitiy FRP /3PCS
Start Wind Speed 1m/s   (2.24mph)
Rated Wind Speed 10m/s(22.4mph)
Working Wind Speed 1-25m/s   (2.24-56 mph)
Safety Wind Speed 50m/s(112mph)
Option Voltage 24--380V
Generator Type Three-phase   AC out rotor disc permanent magnet direct drive generator
Protection Method Electromagnetic   brake+PWM
Generator Weight /Top Weight 51kg/177kg
Swept Area 9.62   M2
System type Off/on-Grid
Controller Off/on-Grid   solar wind hybrid controller
Invertor off/on-Grid invertor
Tower Type Free   folding tower
Tower Height 6m(19.68ft.)
Insulation Grade B
Protection Grade IP54
Working Termperature -40ºC   - 50ºC
Life time 20   Years

GREEF 3KW Vertical Wind Turbine
Model GV-3KW
Performance  
Rated Power 3kW
Max Power 4kW
Start Wind Speed 2m/s   (4.48mph)
Rated Wind Speed 12m/s(26.88mph)
Working Wind Speed 2-25m/s   (4.48-56 mph)
Safety Wind Speed 50m/s(112mph)
Physical Parameters  
Blades Length 3.7M(12.136ft)
Blades Rotor Diameter 2.5M(8.2ft)
Blades Material &Quantity FRP /3PCS
Mill Weight 355kg
Swept Area 9.25M2
Tower Height 8m(26.24ft.)  Free folding tower
Generator Parameters  
Generator Type Axial Flux Coreless outer rotor disc permanent magnet direct drive generator
Rated Speed 100RPM
Start Torque <1N.M
Option Voltage 120-400V
Protection Method Electromagnetic   Brake +PWM
Protection Grade IP54
Working Temperature -40-50ºC
Life time 20   Years

GREEF 5KW Vertical Wind Turbine
Model GS-5KW
Performance
Rated Power 5kW
Max Power 6kW
Start Wind Speed 2.8m/s   (9.184mph)
Rated Wind Speed 12m/s(26.88mph)
Working Wind Speed 2-25m/s   (4.48-56 mph)
Safety Wind Speed 50m/s(112mph)
Physical Parameters
Blades Length 5.2M(17.056ft)
Blades Rotor Diameter 3.3m(10.824ft)
Blades Material &Quantity FRP /3PCS
Mill Weight 530kg
Swept Area 17.16 M2
Tower Height 12m (39.36ft.)  Free Folding tower
Generator Parameters
Generator Type Axial Flux Coreless outer rotor disc permanent magnet direct drive generator
Rated Speed 100RPM
Start Torque <1N.M
Option Voltage 120-500V
Protection Method Electromagnetic   Brake+PWM
Protection Grade IP54
Working Temperature -40-50ºC
Life time 20   Years

0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine



Axial Flux Coreless Generator                                                
GREEF VAWTs use axial flux coreless disc generator which have following advantage:
1.Torque Patent Technology: use newest "Precise Coil" technology. No hysteresis and gear notches effect make the start torque very low <0.3N.M ,it can make the wind turbine have low start wind speed.
2.Original Structure: use disc coreless motor to take place traditional motor makes it less drag
3. Higher Reliability: special structure make it bigger ratio of power to volume, power to weight and have long life of 8 times longer than traditional motor.
4. Gearless, direct drive, low RPM generator.
 

Sound Data                                                                                                                  
Test position: 3kW Vertical Wind Turbine at 15m away from generator (average value of 3 point-rears, left, right)

Wind Speed (m/s)

3

4

5

6

7

8

9

10

11

Sound(dB )

1.35

3.08

6.22

9.45

13.24

22.09

31.55

36.45

37.22

Wind Speed (m/s)

12

13

14

15

16

17

18

19

20

Sound(dB )

45.33

45.22

45.33

45.43

45.54

45.66

45.76

45.85

46.00
 Note: The sound value includes wind noise.

 

System Design Service

We can design different system for customers according their request. For example, off-grid system , Grid-tie system, solar wind hybrid system or solar wind  diesel generator system.



0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine
0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine




Packaging & Shipping

1.  Vertical wind turbine use inner foam protection outer Plywooden case .
2. Tower with Foam package only.
3. Controller invertor  with inner carton box outer plywooden case.
4. Pakage size and weight please refer to our sales.
5. Shipping  by sea with FCL LCL or by air.

If you have any request in package and shipping please tell our sales we will do according to your request.

0.5kw 2kw 5kw Mini Magnetive Motor Low Noise Low Torque Vertical Wind Turbine


Aftersales Service
Our main Vertical Windmill Turbine and battery are FREE THREE Years warranty, controller and invertor are 1 years warranty.
All lifelong technical support and part cost supply.

(1) The warranty period is start from the date of shipment which show on the bill of loading or air waybill.
(2) Free maintenance services during the warranty period the cost involved be borne by the company, do not charge a fee to customers, free warranty if any damage outside the warranty period, the company will charge a fee for labor costs and materials.
(3) The warranty period, company's quality problems caused by the maintenance of the freight borne by the company, if not under warranty or man-made damage, the freight charges by the customer.


FAQ
1. Q: Why buy a small wind turbine?
A: A GREEF wind turbine is a smart investment that will lower your monthly expenses, increase your net worth. At the same time, it will help clean the air, slow climate change, and move us towards the energy independence. You will also enjoy watching your utility meter turn backwards and the lively interaction between the wind and your GREEF turbine. Finally, it will totally change your view of wind you will start appreciating windy days. For those fortunate enough to have a windy site of at least one acre, a GREEF wind system will be substantially less expensive than a comparable solar system, it will take up less space, and its performance won't degrade over time.

It's like buying vs. Renting a home
Over the next 10 years a typical homeowner or small bussiness will pay $18000 to over $5000 in electric bills, at rates that often increse faster than inflation. When you choose a GREEF wind system you take the same monthly expense and invest it in a tangible asset. Once your GREEF turbine is paid off, you will enkoy more money in your pocket every month for the next 20years.


2. Q: Does Vertical Windmill Turbine installation Easy?
A: Very easy, every customer can doin by themselves, we will supply all the components for installation and very details installation manual.

3. Q: Does our wind is enough for a Vertical Windmill Turbine?
A: As our Vertical Windmill Turbine can start running at low wind speed 1m/s. So your average annal wind speed is 4- 5m/s then you can use it.

4. Q: Which model is suitable for me?
A: Please contact our sales with following points:
1. What appliance do you want to running by the system? How many watts are they and their working time.
2. Your annual wind speed.
3. What kinds of system do you want? On-grid or off-grid

5. Q: Can I only buy parts of the Vertical Windmill Turbine not whole system?
A: Yes, for example you can manufacture tower in local, we can supply you tower drawing.
 
 

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