## 9/24/2020
### Wind Turbine Terminology
[[File:Nacelle-wind-turbine.JPG|border|thumb|Drivetrain of the nacelle]]
- rotor - generates aerodynamic torque
- nacelle - converts torque into electrical power
- tower - hold nacelle and rotor blades
- foundation - hold the whole turbine in place
__main degrees of conventional Darrieus turbine__
- azimuth - rotation of rotor to generator
- yaw - rotation of nacelle about vertical tower
- pitch - angle/pitch of blades about their lengthwise axis
### Wind Energy Extraction