Wind Energy
Wind Energy
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About Wind Energy
Another common source of renewable energy source, which is also a sustainable one, is wind energy. In a nutshell, wind energy is actually any kind of useful energy that comes from the wind. These energies can include electrical energy (generated by wind turbines), mechanical energy (generated by windmills or air pumps), or propulsion of boats and ships (even simple sailing boats). In windmills, wind energy is used directly to crush the grains or pump the wind or spin the mill.
According to available information, at the end of 2010, the nominal capacity of wind power generation worldwide was 197 gigawatts. There is currently a capacity equivalent to generating 430 terawatts of energy through wind energy worldwide, and this figure can provide 2.5% of the electricity needed for global consumption. Over the past five years, annual wind power consumption in the world has grown by 27.6 percent, and it can be predicted that the share of wind in world electricity production, which was about 3.35 percent in 2013 and about 8 percent in 2018, will reach about 12 percent by 2025. Reach the percentage. Given that fossil energy sources such as oil, gas and coal are non-renewable and unsustainable and will end one day, wind as a clean energy source can be one of the most suitable alternatives to these energies. It is interesting to note that the cost of generating electricity from wind energy is less than the cost of generating electricity from fossil fuels, and it also produces less pollution and greenhouse gases. In general, the advantages of using wind energy to supply the required energy are as follows:
The technology used to extract energy from wind is a simple and proven technology and will have an economic life of 15 years and more without the need for large investments.
Energy generation operations from this source are done automatically and without the needs of people and will have low maintenance costs.
If we exclude the cost of fueling the vehicles transmitting the energy produced, it can be said that wind power generation equipment does not require any fuel and does not incur costs for fuel supply and logistics transportation.
Compared to other conventional energy sources, this source has fewer environmental effects.
Wind energy technology in developed countries is a mature, well-developed and reliable technology.
Wind energy technology in developed countries can be modeled on developing countries and used entirely or only to supply part of a unit of energy. (For example, the methods and technologies of developed countries can be used and modeled to supply energy to only one production unit)
Wind farms can not provide permanent electricity needs due to variable winds, and it is necessary in designing these power plants to install a backup. Turbines are used to generate wind energy and generate electricity, and three-blade turbines are the most common kind of wind turbines. Most of the energy in wind movement can be found in the upper atmosphere. In this part of the atmosphere, the continuous wind speed reaches more than 160 kilometers per hour, and eventually the wind loses its energy due to friction with the earth’s surface or the surface of the atmosphere. Due to the more severe winds in winter, it is better to take the necessary measures to extract energy from the wind in this season with more seriousness. The only major problem with wind turbines is their unsightly appearance and the loud noise they make. These issues can affect the lives of the animals around them and also tarnish the image of the environment.
Given that most of the power output is generated at high wind speeds, it can be said that the maximum amount of energy output occurs in short periods of time. According to the existing calculation model, half of the wind energy can be extracted in only 15% of the turbine operation time. Accordingly, it can be said that wind power plants, unlike fossil fuel power plants, do not have continuous and stable energy production, so installations that use wind energy must have supporting and backup generators in order to be able to meet their needs if wind power is low. Due to the instability of wind speed, only the production capacity of average numerical wind power plants can be provided. A wind farm located in a convenient location on the shores of a sea or lake has an annual generating capacity of about 35%. Thousands of wind turbines are currently installed around the world with a capacity of 73,904 MW, of which the EU accounts for 65% of the world’s total wind power. The World Wind Energy Association has concluded that production capacity has grown by 21% annually, taking into account changes in wind power generation capacity during 2010. This capacity in 2010 was about 73.9 GW.
If we want to supply electricity on a small scale with the help of wind energy, we can use equipment on a small scale. This equipment is used to feed houses, agricultural lands, or small commercial-administrative centers. In the United States, the use of grid-connected wind turbines in the product range of 1 to 10 kW to power homes is very popular.
In order to supply the energy required by customers with the help of sustainable energy, Zirsakht Tadbir Arian Company has made the extraction of electricity from wind energy a part of its services.
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