Working principle of wind turbines

Working principle of wind turbines

2023-03-06 16:13:09

 

 

The working principle of a wind turbine is very simple: the wind causes the blades to rotate, causing the shaft to rotate. The generator is connected to the generator, generating direct current, which is then converted into alternating current through an inverter and transmitted to power your home. The stronger the wind, the more electricity generated by movement.

 

Usually, when the wind passes through the turbine, almost half of the air is forced to stay around the blades instead of passing through them, and the energy in these winds is lost. Traditional wind turbines can only utilize up to 59.3% of wind energy, a value known as the Betzlimit.

 

The design of wind turbines, drawing on jet engine technology, overcomes a fundamental flaw that exists in traditional wind turbines. The blades of a wind turbine are covered with shielding to guide air through the blades and accelerate them, which increases electricity production.

 

A wind turbine is like the intake of a jet engine. When air enters, it first encounters a fixed set of blades, called the stator, which can guide air into a set of rotatable blades - the rotor. Air pushes the rotor and appears on the other side, where the speed of air flow is slower than that outside the turbine. The shield is shaped appropriately to guide relatively fast flowing air outside into the area behind the rotor. The rapidly moving air accelerates the slowly moving air, causing the area behind the turbine blades to become low-pressure to absorb more air through them.

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