An onshore 2MW wind turbine is an example. The output of a single 2MW unit when reaching the rated wind speed is 2000kW (that is, 2MW)/hour. We know that the unit of electricity used in the home is Degree (kWh), that is to say, one kilowatt hour of electricity is 1kWh.
Here we can see that a 2MW unit can generate 2,000 degrees of electricity per hour at rated wind speed. This is still a conservative estimate, because we know that most power generation equipment has a certain excess power capacity.
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Principle
Convert the kinetic energy of the wind into mechanical kinetic energy, and then convert the mechanical energy into electrical kinetic energy. This is Wind power. The principle of wind power generation is to use wind power to drive the windmill blades to rotate, and then use a speed increaser to increase the speed of rotation to prompt the generator to generate electricity.
According to windmill technology, power generation can start at a breeze speed of about three meters per second (the degree of breeze). Wind power is becoming a craze around the world because it does not require the use of fuel and does not produce radiation or air pollution. ?
The devices required for wind power generation are called wind turbines. This kind of wind turbine can be roughly divided into three parts: wind wheel (including tail rudder), generator and tower. (Large wind power stations basically do not have tail rudders, and generally only small ones (including household types) have tail rudders)