Wind turbines create electricity from an infinitely renewable source.
Windmill generators, also known as wind turbines, produce a renewable form of energy, turning the power of the wind into electricity.
Blades
The blades of a wind turbine are one of its most distinct features. They are precisely shaped to catch as much of the wind as possible, and also to cut through the air with very little resistance.
Rotor
The rotor on a wind turbine is at the point where the blades meet the body of the mechanism. It consists of the hub, as well as the blades themselves.
Brake
Wind turbines also include a mechanical or hydraulic disc brake. The brake can stop the blades from spinning in the event of an emergency.
Tower
The entire wind turbine assembly sits atop a high tower. Towers are typically made from steel or concrete, allowing them to be built tall enough to reach high-speed winds that generate the most power.
Yaw
Wind turbines also include a yaw motor and yaw drive to control the direction that the windmill points. The internal computer, known as the controller, adjusts the yaw based on data from a wind vane attached to the windmill.
Generator
Wind turbines use induction generators to produce AC power. This occurs when the blades spin, thus turning the rotor and, through a series of gears, engaging the generator to create a magnetic field.
Nacelle
The nacelle is the housing for the wind turbine assembly. It contains the generator, controller, gears and shafts.
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