How Is Wind Energy Used?
Our earth is surrounded with air, which forms an envelope. This wind energy can be utilized as a major source of renewable energy, which can solve the grave problem of energy crisis, which the world today is facing.
Wind is a natural element which is generated by the process of unequal heating of the earth’s surface. Because of this phenomenon the winds which can be slow or strong winds can be generated. The speed of these winds can thus be utilized to not only generate electricity but also at the same time it produces cleaner source of energy, which is pollution free.
In the past, this wind energy was utilized to propel the ships. At the same time, this form of energy was used to power the mechanical machines for the purpose of grain processing or water pumping. However, today it is primarily used for electricity generation with the help of wind turbines. The blowing winds are used to spin the blades of the wind turbine. This is similar to spinning the large toy pinwheel.
The blades of the turbine are thereafter linked to a turning shaft. When the wind spins these blades, the shaft turns. The speed of the shaft can be easily controlled with the help of a gearbox. This is in turn attached to a motor, which generates electricity.
If the speed of these winds becomes too high, there are brakes, which can control the speed. A single small wind turbine is sufficient to power a house.
Biggest disadvantage of the wind energy is that the wind should blow in stronger speed, which is out of the reach of the humans. Therefore, when the wind is not blowing in the proper speed it is impossible to produce the electricity.
There are huge farms where large windmills are placed. The prerequisite for establishing the wind farm is that the area should have speedy winds blowing for the major part of the day. This wind energy is then utilized for generating electricity with the help of huge turbines, these turbines rotate and since they are attached with huge motors, so when these motors move then the electricity is generated. This electricity can be used for a number of purposes.
The more are the number of towers the more energy can be generated using the wind energy. The best place for establishing the wind farm is the coastal areas or desert where wind blows in extremely high speeds.
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