Wind Power is actually another form of solar power, as wind is caused by heat from the sun. Solar radiation heats every part of the Earth’s surface, but not evenly or at the same speed. Different surfaces absorb, retain, reflect and release heat at different rates, and the Earth generally gets warmer during daylight hours and cooler at night.
As a result, the air above the Earth’s surface also warms and cools at different rates. Hot air rises, reducing the atmospheric pressure near the Earth’s surface, which draws in cooler air to replace it. That movement of air is what we call wind.
As wind is constantly moving it has kinetic energy. This kinetic energy can be harnessed and converted into electrical energy, usually using wind turbines. This is wind power.
How Does it Work?
- The wind passes over the blades, which causes them to rotate.
- The blades rotate a shaft within the nacelle (the box at the top of the turbine)
- The shaft is fitted to a gearbox which increases the rotation speed
- The generator uses magnetic fields to convert the rotational energy into electrical energy
- The power output feeds into a transformer which converts the electricity to a higher voltage
- The power can then be distributed by the national grid
If the wind power system you install and the company you use for your installation are MCS accredited, then you are entitled to register for feed in tariff payments. On top of these payments you will also make considerable savings on your bills and any electricity you don’t use will be exported back to the grid for which you will receive an export tariff payment.
It is important to remember that when you wish to proceed with a Wind Turbine installation, you only use a company with the correct training and accreditations
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