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__main __Main degrees of conventional Darrieus turbine__
Notes - Wind Turbine ISR-G (view source)
Revision as of 17:57, 6 October 2020
, 17:57, 6 October 2020no edit summary
- foundation - hold the whole turbine in place
- azimuth - rotation of rotor to generator
- yaw - rotation of nacelle about vertical tower
- pitch - angle/pitch of blades about their lengthwise axis
__Towers__
[[File:Towers-wind-energy.JPG|border|thumb|Different options for tower construction]]
- tubular towers
- lattice towers
- tripod towers
__Foundation__
Foundations are oftentimes made out of concrete.
### Wind Energy Extraction
[[File:Efficiency-betz-limit.JPG|border|thumb|Mechanical power of a wind turbine]]
The mechanical power of a turbine can be calculated with the equation to the right. The Betz limit on power (59%) describes the maximum energy that a turbine can extract from the wind.
__Rotating lift-based machines__
