How many meters long is the wind turbine support pole?

Introduction How many meters is the length of the wind turbine support pole? Generally, the height of the wind turbine should be 6 meters higher than the surrounding obstacles, so as to achieve the best power generation effect. Comparison of working principles of wind

How many meters long is the wind turbine support pole?

Generally, the height of the wind turbine should be 6 meters higher than the surrounding obstacles, so as to achieve the best power generation effect.

The working principle of a wind turbine is relatively simple. The wind wheel rotates under the influence of wind. It converts the kinetic energy of the wind into the mechanical energy of the wind wheel shaft. The generator rotates under the drive of the wind wheel shaft to generate electricity. Broadly speaking, wind energy is also solar energy, so it can also be said that a wind turbine is a thermal energy utilization generator that uses the sun as the heat source and the atmosphere as the working medium.

Extended information:

< p>Generator structure:

Nacelle: The nacelle contains the key equipment of the wind turbine, including gearboxes and generators. Maintenance personnel can enter the nacelle through the wind turbine tower. At the left end of the nacelle is the wind turbine rotor, that is, the rotor blades and shaft.

Rotor blades: capture the wind and transmit the wind force to the rotor axis. On a modern 600-kilowatt wind turbine, each rotor blade measures approximately 20 meters in length and is designed to resemble an aircraft wing.

Axis: The rotor axis is attached to the low-speed shaft of the wind turbine.

Low-speed shaft: The low-speed shaft of the wind turbine connects the rotor axis and the gearbox. On a modern 600 kW wind turbine, the rotor rotates quite slowly, around 19 to 30 rpm. There are ducts in the shaft for the hydraulic system to activate the operation of the aerodynamic brake.

Baidu Encyclopedia - Wind Turbine

Wind power generates approximately 1.4 kWh of electricity per cycle.

Take a 1,500-kilowatt wind turbine unit as an example. The blades of the unit are about 35 meters long (about 12 stories high). Each rotation of the wind turbine takes about 4-5 seconds (but the blade tip speed at this time can reach more than 280 kilometers per hour, comparable to the speed of a high-speed train) and can generate about 1.4 kilowatt hours of electricity. Under normal full power conditions, one day's power generation can be used by 15 families for one year.

Generally speaking, Category 3 winds are valuable for utilization. However, from an economic and reasonable perspective, wind speeds greater than 4 meters per second are suitable for power generation. According to measurements, a 55-kilowatt wind turbine has an output power of 55 kilowatts when the wind speed is 9.5 meters per second; when the wind speed is 8 meters per second, the power is 38 kilowatts; when the wind speed is 6 meters per second, the output power of the unit is only 55 kilowatts. 16 kilowatts; and when the wind speed is 5 meters per second, it is only 9.5 kilowatts.

The principle of wind power generation :

The principle is to convert the kinetic energy of the wind into mechanical kinetic energy, and then convert the mechanical energy into For electric kinetic energy, this is wind power. The principle of wind power generation is to use wind power to drive windmillsThe blades rotate, and then the speed of rotation is increased through the speed increaser to prompt the generator to generate electricity.

According to windmill technology, power generation can start at a breeze speed of about three meters per second (the degree of breeze). Wind power is becoming a craze around the world because it does not require the use of fuel and does not produce radiation or air pollution.

The devices required for wind power generation are called wind turbines. This kind of wind turbine can be roughly divided into three parts: wind wheel (including tail rudder), generator and tower.

The wind wheel is an important component that converts the kinetic energy of the wind into mechanical energy. It is composed of several blades. When the wind blows towards the blades, aerodynamic force is generated on the blades to drive the wind wheel to rotate. The blade material requires high strength and light weight, and is often made of fiberglass or other composite materials (such as carbon fiber).

The iron tower is the structure that supports the wind wheel, rudder and generator. It is generally built relatively high in order to obtain larger and more uniform wind force and to have sufficient strength. The height of the tower depends on the impact of ground obstacles on wind speed and the diameter of the wind wheel. It is generally in the range of 6-20 meters.

The function of the generator is to transfer the constant rotation speed obtained from the wind wheel to the power generation mechanism through increased speed for even operation, thereby converting mechanical energy into electrical energy.

Reference for the above content: Baidu Encyclopedia - Wind Power

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