Table 1:
Data for a 200 kW H-rotor with direct drive.
Radius (
)
13 m
Blade area (
)
58 m
2
Shaft torsional stiffness (
)
3·10
6
Nm
Turbine moment of inertia (
)
3·10
5
kg m
2
Generator moment of inertia (
)
2.4·10
3
kg m
2
Inner resistance of generator (
)
0.065 Ω
Noload voltage per angular velocity (
)
140 Vs