Introduction - Control of Power Inverters in Renewable Energy and Smart Grid Integration - page 47

Horizontal axis, using lift

Vertical axis, using lift/drag

Wind

High speed Low speed Darrieus H-Darrieus Cup type

Concentric types

Yaw system

WIND WIND

Wind vane
(upwind model)

Side rotor
(downwind model)

Passive or
motorized

Shrouded turbine Virtual shroud Thermal tower

Figure 1.41 Main turbine types. Source: Heier 2006, Grid Integration of Wind Energy Conversion
Systems: Second Edition

Gearbox

Rotor brake

Rotor shaft
with bearing

Rotor hub

Electronics

Generator

Yaw bearing

Blade pitch
regulation mechanism

Figure 1.42 Structure of a typical wind turbine. Source: Heier 2006, Grid Integration of Wind Energy
Conversion Systems: Second Edition