A 2MW wind turbine, that is, a 2000KW wind turbine, can generate 2,000 kilowatt-hours of electricity in one hour at full power. Depending on the wind farm, the annual full power generation hours of the wind farm are different. Taking a wind farm with 3000h annual power generation hours as an example: 3000/365*2000=16384 kWh.
It depends on the capacity of the single machine (the electric energy generated by 850KW, 1MW, 1.5MW, 2MW, 3MW, etc. is definitely different), and it also depends on the wind operation. 1 kilowatt hour of electricity = 1KW·h. According to this calculation, an 850KW wind turbine can generate 850*24=20400KW·h every day. This is the theoretical value. It also depends on wind conditions, power transmission and transformation losses, etc.
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Mechanical connection and power transmission: The horizontal axis fan blades are connected to the universal elastic coupling through the gearbox and its high-speed shaft, and transmit the torque to the drive shaft of the generator. This coupling should be It has good damping and vibration absorption characteristics, which is reflected in absorbing an appropriate amount of radial, axial and certain angular deflections, and the coupling can prevent the overload of the mechanical device.
Baidu Encyclopedia - Wind Turbine
Permanent land acquisition is generally based on the machine position of 25*25 meters. If there is a box-type transformer, To add. 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.
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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 increased by 3.449 million kilowatts, which is more than the cumulative total of China's wind power in history. The total amount is more. With the rapid development of the wind power industry, the supply of wind power equipment exceeds demand.
Baidu Encyclopedia-Wind Turbine