Small Wind Turbines (Vertical Axis)

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Description
Advantages
Disadvantages
Characteristic features
Application barriers
Information sources
Image
Trade:
Parameter Minimal Value Maximal Value Unit
Nominal Power

0.1

30

kW

Nominal Wind Speed

12

14

m/s

Start Wind Speed

2

4.5

m/s

Stop Wind Speed

14

32

m/s

Maximum Wind Speed Allowed

150

255

km/h

Rotor Weight

135

430

kg

Rotor Diameter

1.5

10.25

m

Rotor Surface

2.25

102.5

m2

Mast Height

1

12

m

Maximum Rotation Speed

100

400

rpm

Transmission

No gear box

Safety

Electrical brake + disc brake

Number of Blades

2

5

Material Blades

Aluminium, Carbon epoxy composite, Composite fibre glass

Voltage (AC)

24

240

V

Minimum Operating Temperature

-40

-20

°C

Maximum Operating Temperature

40

100

°C

Noise at 20 m Distance with 5 m/s

DB

Positioning

on the ground

on the roof

Operating Efficiency

40

%

Annual Degradation Rate in Efficiency

%

Annual Produced Energy

kWh

Investment Cost

2.320

7.539

€/kW

Operational Cost

€/year

Maintenance Cost

1

3

% of the turbine cost

Life Expectancy

15

20

years

Deterioration Description
Causes
Parameter
Degradation Rate
Measurement


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