How Important Is Wind Power As A Renewable Source of Energy? : Wind Power

Article by karolin dottir

With the price of fuel these days, there is much talk about alternative energy sources. Wind energy is one such alternative energy source, and the limelight has settled on the efficiency of wind farms. The provision of energy from wind is a clean process, and naturally wind is a limitless source of power. Solar energy is the genuine source of wind power, as wind is produced by variations in ground temperature and the ground is heated by the sun. Harnessing the wind then creates energy.

Wind farms as a large-scale way of capturing the energy generated by wind has been adopted by numerous countries. Working like propeller blades but in reverse, the power of the wind is gathered by the big blades of many wind turbines that have been put up in a suitably windy area. With the collective power of the many wind turbines, the farms can produce a large amount of energy. The promise of wind farms will become obvious when you comprehend how they work. The process starts with the wind turning the blades of the turbine, which are connected to a central shaft. The turning of the shaft cranks a generator from which action electricity then results. Hydropower is just the same, except for using water as opposed to wind as the source of energy.

The power created by one turbine is sufficient, at best, for no more than a farm, so larger electrified areas require more than just one wind turbine. When there is a big grouping of wind turbines, such as a wind farm, working in concert, much electric power can be created. The energy that is produced can be stored in cells, like batteries, or in an already existing electricity grid, making it possible to provide the power needs of whole residential areas. Modern wind turbines are much more efficient than the older ones, as they can face the wind, face away from the wind, or even catch gusts from different angles.

Bigger blades and taller turbines too make for better efficiency. Calculating the efficiency of wind turbines is made difficult by the complexity of factors involved. It’s difficult to find common factors on different farms, because aside from the size of the turbines being variable, the farms themselves vary so much when it comes to the natural terrain and the properties of the wind. Nonetheless, the standard turbine converts approximately 20% of the power in wind to electricity. Peak production efficiency is reached when the wind blows at no less than 5 miles an hour, and not more than 20 miles an hour.

While it is not as constant as solar, wind power is more efficient, calculated as 20% efficient versus solar at roughly 14%. Wind is one of the more favourable types of renewable energy, and benefits from technology getting better every day. Amongst alternative sources of energy it has become essential, but has not yet found worldwide favour. One country decided to invest a great deal is Germany.

Compared to solar energy, wind power generation, found to be 20% efficient, is about 6 percentage points better, but solar doesn’t vary as much as wind. Wind is one of the more favourable kinds of renewable energy source, and benefits from technology getting better every day. Amongst alternative energy sources it has become vital, but has not yet found universal favour. One of the leading nations in the utilization of wind power is Germany.

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