Changes
/* Yaw Mechanism */
yaw mechanism turns the rotor into the upwind direction as the wind direction changes. Electric motors and gear boxes are used to keep the turbine yawed against wind. This can be also used as controlling mechanism during high wind speeds.
[[Image:yawsystem.png|center|350px|thumb|Fig 15 Yaw structure]]
Source:[http://guidedtour.windpower.org/en/tour/wtrb/yaw.htm source] [[Media:Windturbines.pdf| source]The Wind Turbine Yaw Mechanism]
=Electrical Generating Systems=
