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How do Wind Turbines work?

How do Wind Turbines work?

Wind turbines use blades to capture the wind. When the wind blows, the blades are forced to rotate which drives a turbine to generate electricity. Quite simply, the stronger the wind, the more electricity you produce.

There are two types of domestic-sized wind turbine:

  • Pole mounted wind turbines are free standing mast erected in a suitably exposed position and typically generate around 6kw to 20kw of energy per pole.
  • Building mounted wind turbines are most often smaller than free standing mast erected wind systems and can be installed on the roof of a home where there is a suitable wind resource. Building mounted wind turbines usually generate around 1kw to 6kw of energy.

It is crucial to measure the wind speed before installing a turbine to make sure it will be financially worthwhile.

Wind turbines have what is known as “cut in” wind speed. Power output will be zero up to the ‘cut in’ wind speed – which is the speed at which power is generated. Although the wind maybe blowing, it may be insufficient to “cut in” to generate power.

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