What are the advantages of wind power generation?

Introduction What are the advantages of wind power generation? 1. Wind power generation Wind is a new energy source with great potential. At the beginning of the 18th century, a violent wind swept across Britain and France, destroying four hundred wind mills,

What are the advantages of wind power generation?

1. Wind power

Wind is a new energy source with great potential. At the beginning of the 18th century, a violent wind swept across Britain and France, destroying 400 wind mills. , 800 houses, 100 churches, more than 400 sailing boats, thousands of people were injured, and 250,000 large trees were uprooted.

Just talking about pulling up a tree, the wind generates a power of 10 million horsepower (ie 7.5 million kilowatts; one horsepower is equal to 0.75 kilowatts) in a few seconds! Some people have estimated that on the earth, The wind power resources that can be used to generate electricity are about 10 billion kilowatts, which is almost 10 times the current hydropower generation capacity in the world.

Currently, the energy obtained from burning coal in the world each year is only one-third of the energy provided by wind in a year. Therefore, domestic and foreign governments attach great importance to the use of wind power to generate electricity and develop new energy sources.

2. Spreading seeds

Wind is one of the environmental factors in agricultural production. Moderate wind speed plays an important role in improving farmland environmental conditions. Near-surface heat exchange, farmland evapotranspiration, and transport processes of carbon dioxide and oxygen in the air accelerate or intensify as wind speed increases. Wind can spread plant pollen and seeds, helping plants to pollinate and reproduce.

Wind energy is a widely distributed and inexhaustible energy source. The prevailing monsoon in China is beneficial to crop growth. In the Inner Mongolia Plateau, Northeast Plateau, Southeast Coast and inland mountains, there are abundant wind energy resources that can be developed and utilized as energy.

3. Information indicators

Wind data is one of the important meteorological data, both in theoretical research and in various sectors of national economic construction, such as agriculture, transportation, and construction. Industry, water conservancy projects, recuperation and other departments are all indispensable. Wind is the horizontal movement of air and is a vector (or vector) represented by direction (wind direction) and speed (wind speed).

Wind direction refers to the direction from which the wind comes. Except for calm wind, it is expressed in 16 directions. Wind speed refers to the ratio of the distance traveled by the air to the time required to travel the distance. The unit is expressed in meters per second. It is observed regularly (the basic station observes 4 times a day and the base station observes 24 times a day). Take an integer and record it by yourself. Record to one decimal place.

Extended information:

< p>The economic value of wind power

The cost of using wind to generate electricity has dropped a lot. Even without other external costs, the cost of using wind power in many appropriate locations is now lower than that of fuel. The internal combustion engine generates electricity.

The annual growth rate of wind power generation was about 25% in 2002, and now it is growing rapidly at a rate of 38%. In 2003, the growth of wind power in the United States exceeded the average growth rate of all generators.

Since 2004, wind power has become the cheapest of all new energy sources. In 2005 the cost of wind energy had dropped to 1990One-fifth of that in the 1990s, and with the use of high-wattage generators, the downward trend will continue.

Baidu Encyclopedia - Wind

Baidu Encyclopedia - Wind Power

1. (1) Advantages of wind energy: The accumulation is huge, widely distributed, renewable and pollution-free.

(2) Disadvantages of wind energy: low density, instability, large regional differences, wide-area dispersion and randomness of wind energy, and low energy density!

2. Wind power generation: The advantages of large-scale systems are high power supply reliability and low operation and maintenance costs. The disadvantage is high system costs. .

The advantages of small systems are high power generation, low system costs, and low operation and maintenance costs.

The disadvantage is the low reliability of small wind turbines. .

Since solar energy and wind energy are highly complementary, wind and solar hybrid power generation systems make up for the resource shortage of independent wind power and photovoltaic systems.

Trapped.

A wind turbine is an energy conversion device that converts wind energy into mechanical energy.

As shown in Figure 1-4, the wind engine consists of five parts:... Its disadvantage is that it is difficult to start. ...The capacity of small wind turbines is not large, the power is generally from a few watts to several kilowatts, and most of them have the advantages of simple structure and easy transportation. ..In the utilization of wind energy, energy storage is an important issue. ...

3. The advantages of wind power generation are:

The cost of solar power generation is too high, the technology content is high, and bad weather will affect power generation;

However, Wind power generation means that the worse the weather, the stronger the wind, the better the power generation.

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