FloWind 19m Specifications

Rotor Assembly

Turbine Diameter:

19.2 m (63.0 ft)

     

Turbine Assembly Height:

30.8 m (101 ft)

Base Height:

4.6 m (15 ft)

     

Height to Diameter Ratio:

1.31:1

Swept Area:

316 m2 (3402 ft2)

     

Rotor Speed:

51.8 RPM

Blade Quantity:

2

     

Blade Profile:

NACA 0015

Blade Chord:

0.71m

     

Blade Material:

Aluminum

Blade Segments:

3/blade

     

Blade Span:

30.6m

Blade Shape:

Prebent Troposkein

     

Strut Quantity:

2/blade

Strut Depth

15%

     

Strut Construction

Welded Rectangular Tube

Operation Data

Cut in Wind Speed:

6.5 m/s (14.5 MPH)

     

Nominal Wind Speed (300 KW):

20 m/s (44.7 MPH)

Cut out Wind Speed:

24 m/s (53.7 MPH)

     

Buckling Wind Speed:

71.5 m/s (160 MPH)

Design Life:

15 years

     

Availability Factor:

95%

Generator

Type:

Induction

     

Rated Output:

300 KW

Generator Speed:

1800 RPM

     

Generator Housing:

Open Drip Proof

Generator Insulation Class:

F

     

Power Factor:

95%

Gearbox and Drive

Gearbox Type:

3 Stage Vertical Shaft

     

Gearbox Rating:

400 HP

Drive Shaft
Diameter:

17.02 cm (6.7 in)

     

Service Brake Configuration:

Fixed (Hydraulic)

Service Brake
Caliper Quantity:

2 sets of 6

     

Park Brake
Configuration:

Floating Caliper (Spring)

Park Brake
Caliper Quantity:

1 set of 3

     

Tower Structure

Guy Cable Angle:

35 – 40 degrees

     

Guy Cable Diameter:

2.85 cm (1.125 in)

Guy Cable Length:

67 m (220 ft)

     

Guy Cable Tension:

12-16 kips

Turbine Base Structure:

Pipe and Angle Design

     

Foundation Concrete:

10.2 m3 (13.3 yd3)

Weight

Rotor Weight:

9,500 kg (20,900 lbs)

     

Blade Weight:

1,855 kg (4,080 lbs)

Complete Turbine Weight:

15,371 Kg (33,816 lbs)