What are the advantages of wind energy production?

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

What are the advantages of wind energy production?

1. Wind energy

Wind energy 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 turbines. 800 houses, 100 churches, more than 400 sailboats, thousands of people were injured and 250,000 large trees were uprooted.

Simply speaking of uprooting a tree, wind generates 10 million horsepower (or 7.5 million kilowatts; one horsepower is 0.75 kilowatts) in just a few seconds! Earth's wind resources that can be used to generate electricity are approximately 10 billion kilowatts, almost 10 times the current hydroelectric generation capacity in the world.

Currently, the energy produced each year by burning coal worldwide is only a third of the energy provided by wind power in a year. This is why national and foreign governmentsangers attach great importance to the use of wind energy to produce electricity and develop new energy sources.

2. Seed diffusion

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

Wind energy is a widely distributed and inexhaustible energy source. The monsoon prevailing in China is beneficial for crop growth. On the Inner Mongolia Plateau, the Northeast Plateau, the Southeast Coast and the mountainsInland areas, there are abundant wind energy resources that can be developed and used 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 conservation projects, reclamation 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 the wind is coming from. Except for calm wind, it is expressed in 16 directions. Wind speed refers to the ratio of the distance the air travels to the time it takes to travel the distance. The unit is expressed in meters per secondof. It is observed regularly (the base station observes 4 times per day and the base station observes 24 times). times a day). Take a whole number and record it yourself with one decimal place.

Detailed information:

< p>The economic value of wind energy

The cost of using wind to generate electricity has decreased significantly. Even without other external costs, the cost of using wind energy in many suitable locations is now lower than that of wind energy. fuel. The internal combustion engine produces electricity.

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

Since 2004, energyWind power has become the cheapest of all new energy sources. By 2005, the cost of wind power had fallen to 1990A fifth of that figure in the 1990s, and with the use of high-power generators, the downward trend will continue.

Baidu Encyclopedia - Wind

Baidu Encyclopedia - Wind Energy

1. The general overview of wind energy is as follows. as follows: Around 2007, China's wind power market was particularly open. However, after 2011, due to overcapacity of wind power, the State Council's support for wind power declined. So far, China's wind power market is very difficult and numerous. businesses are not performing well.

2. Technical level:

1) The main reason is that the reliability is too low. The general lifespan is 20 years. Major failures will occur in approximately 4-5 years.of national exploitation. We As we all know, the maintenance cost of wind power equipment is extremely high.

2) There is another serious phenomenon: many domestic wind power equipment enterprises do not have independent research and development capabilities, and most of them purchase foreign designs and process them . Then we wonder why wind power equipment with the same design can work for 10 years abroad, but can only work for four years in China. Reasons: a) The service environment of domestic and foreign wind power equipment is different, and. the service environment in China is poor. This will accelerate equipment erosion, thereby accelerating fatigue damage. b) Domestic manufacturing processes are not as good as foreign ones. It can be said that the national manufacturing of wind energy equipment does not meet the requirementsdesign agencies.

3) Main damage conditions: blades are mainly affected by environmental erosion and breakage; gear increase box is mainly caused by fatigue damage of bearings and gears; brakes are mainly caused by braking noise and material wear; ; the power grid is mainly caused by the lack of stability of electricity generation, causing fluctuations in the power grid.

3. New power generation method: The current innovation in wind power equipment types mainly focuses on the gearbox. What is more commonly used now is the dual feed speed boost box, that is, the low speed box. transmitted by the blades is transmitted The increase in speed of the gearbox is transmitted to the generator to produce electricityity. This type of traditional equipment will affect the service life of the entire equipment system due to the reliability of the gearbox. The new wind equipment is direct drive, meaning there is no speed boost box. In terms of reliability of the entire equipment, the service life is more guaranteed, but the efficiency of power generation needs to be studied.

I hope this helps!

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