The definition of a wind turbine is a fan that turns and produces electricity.
Facts About Wind Turbines
- The wind turns the blades, which in turn spin a shaft. The shaft is connected to a generator that makes electricity.
- There are two kinds of wind turbines: horizontal axis and vertical axis.
- Horizontal Axis Wind Turbines (HAWT) have two or three blades, and operate with the blades facing into the wind, or upwind. The blades are at an angle to create friction which causes the blades to turn.
- Vertical Axis Wind Turbines (VAWT) spin on a central point on the ground and have the rotator shaft running vertically. The VAWT doesn’t need to be pointed into the wind, but the winds at the surface are slower and more turbulent.
- Windmills are used around the world, especially for moving water from lakes or into homes, for cutting wood and generating electricity.
- There are wind power plants, or wind farms, that have dozens of wind turbines that produce electricity. The largest one is called the Horse Hollow Wind Energy Center and is located in Texas. It has 421 wind turbines that power 220,000 homes per year.
An example of a wind turbine is a windmill.