Environmental Engineering Reference
In-Depth Information
Table 11.1 Floating
reference wind turbine
properties [
4
,
22
]
Turbine
Rated power
5 MW
Rotor type, blades
Upwind/3 blades
Control
Variable speed and variable pitch
Rotor/hub diameter
126 m/3 m
Hub height
90 m
Cut-in/rated/cut-out
wind speed
3/11.5/25 m/s
Rated rotor speed
12.1 rpm
Rated generator speed
1173.7 rpm
Blade pitch range
-1 to +90
Maximum blade pitch rate
±8 deg/s
Barge platform
Length
40 m
Width
40 m
Height
10 m
Draft
4 m
Water depth
150 m
Platform mass
5,452,330 kg
726
:
9
10
6
kg
m
2
Roll and pitch inertia
1
;
454
10
6
kg
m
2
Yaw inertia
Number of mooring lines
8
Fig. 11.4
Wind turbine operating regions
