Wind farm conditions for Caofeidian wind farm construction

Introduction Wind field conditions for the construction of Caofeidian Wind Farm According to Baidu Wenku data, the wind field conditions for the construction of Caofeidian Wind Farm are as follows: Meteorological conditions: 1. The quality of wind energy must be high.

Wind farm conditions for Caofeidian wind farm construction

According to Baidu Wenku data, the wind field conditions for the construction of Caofeidian Wind Farm are as follows:

Meteorological conditions:

1. The quality of wind energy must be high. The primary condition for a wind farm site must be abundant wind energy resources. The annual average wind speed is above 5m/s, the effective wind hours at a height of 30m is above 6000h, and the effective wind energy density is above 240w/m^2. It is suitable for the construction of large wind farms.

2. The prevailing wind direction at the wind farm site is stable. Stable wind direction can not only increase wind energy utilization, but also extend the life of wind turbines.

3. The degree of turbulence in wind farms should be small.

4. There should be fewer natural disasters at wind power sites. Strong winds, hail, thunderstorms, earthquakes, etc. will all affect wind turbines.

Social and natural conditions: 1. The terrain of the wind power site should be relatively flat and the geological conditions should be good to facilitate civil construction.

2. Convenient transportation. It is necessary to consider whether the supply of equipment and the transportation of main construction materials of the proposed wind farm are convenient. Is it conducive to the construction and transportation of large cranes and flatbed trucks?

3. Wind farms should be as close as possible to the grid access point. For example: close to existing 10KV and 66KV substations and lines to reduce power loss and delivery project costs. Occupy as little cultivated land as possible to reduce ecological damage.

4. Surrounding environment. The construction of wind farms generally affects the normal life and migration of birds and birds. In order to protect the ecology, the site should try to avoid bird flight routes, migratory birds and animal habitats, etc., and stay away from nature reserves, military facilities, and densely populated areas. Region etc.

How does wind power occupy an area?

1. Wind water lifting:

Wind power lifting has been widely used since ancient times.

2. Wind power generation:

Wind power generation usually has three operating modes:

(1) It is an independent operation mode, usually a small generator is used to generate electricity. One or several households provide electricity, which uses batteries to store energy to ensure power usage when there is no wind.

(2) Wind power generation is combined with other power generation methods (such as diesel engine power generation) to provide power to a unit, a village or an island.

(3) Wind power generation is integrated into the conventional power grid to provide power to the large power grid. Often dozens or even hundreds of wind turbines are installed in a wind farm, which is the main development direction of wind power generation.

3. Sail to assist navigation:

In the development of today's motor boats, in order to save fuel and increase speed, ancient sails have been developed.

4. Wind heating:

With the improvement of people's living standards, the demand for heat energy in household energy is increasing, especially in high latitudes in Europe and North America. Drinking water is a major energy consumer. In order to solve the heat energy needs of households and low-level industries, wind heating has been greatly developed.

Extended information:

Wind energy advantages and disadvantages

1. Advantages

Wind is a source of clean energy. Wind energy installations have become more advanced, mass production has reduced costs, and in the right locations, wind power is now less expensive than other generators. Wind energy facilities are mostly non-three-dimensional facilities that can protect the land and ecology. Wind power is a renewable energy source that is environmentally friendly and clean. Wind power is energy-saving and environmentally friendly.

2. Disadvantages

The ecological problem of wind power is that it may disturb birds. For example, the grouse in Kansas, USA, have gradually disappeared after the emergence of windmills. The current solution is offshore power generation, which is more expensive but also more efficient.

In some areas, the economics of wind power generation are insufficient, and the wind in many areas is intermittent. What is worse is that in places such as Taiwan, there is less wind in summer and during the day when power demand is high. time; must wait for the development of energy storage technologies such as compressed air.

Wind power generation requires a large amount of land to build wind farms to produce relatively large amounts of energy.

When wind power is generated, the wind turbine will make a lot of noise, so it is necessary to find some open areas to build.

Current wind power generation is not yet mature and there is still considerable room for development.

Baidu Encyclopedia - Wind Energy

Permanent land acquisition is generally based on the machine position of 25*25 meters. If there is A box-type transformer is also required. The land occupied by the booster station is also subject to permanent land acquisition.

Attempts to use wind power to generate electricity began as early as the beginning of the twentieth century. In the 1930s, Denmark, Sweden, the Soviet Union and the United States applied rotor technology from the aviation industry and successfully developed some small wind power devices.

This kind of small wind turbine is widely used in windy islands and remote villages. The cost of generating electricity is much lower than that of a small internal combustion engine. However, the power generation capacity at that time was relatively low, mostly below 5 kilowatts.

Extended information:

China’s development:

2006 In 2007, China had a total of 6,469 wind turbines, of which MW units accounted for 21.2%. In 2007, this proportion jumped to 38.1%, an increase of 16.9 percentage points. In 2007, the cumulative installed capacity of global wind power reached 94,100 MW, an increase of 27% from 74,200 MW in the previous year.

In 2007, China's installed wind power capacity was 6.05 million kilowatts, achieving the 2010 planning target three years ahead of schedule; in the six years from 2001 to 2007, China's wind power installed capacity increased 14 times; in 2007 alone , China’s wind power installed capacity will increaseThe addition of 3.449 million kilowatts is more than the cumulative total of China’s wind power in history. With the rapid development of the wind power industry, the supply of wind power equipment exceeds demand.

Baidu Encyclopedia-Wind Turbine

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