Briefly introduce the principles and advantages and disadvantages of wind power generation
Wind energy is the kinetic energy generated when the air on the surface of the earth moves, that is, the kinetic energy of the wind. It is a manifestation of solar energy. On the surface of the earth, the air heated by the sun is lighter and rises to high altitude; the cooled air is heavier and tends to supplement the rising air. This leads to the flow of air - the wind. Global air currents, sea breeze and land breeze, and valley winds are all roughly the same. Wind energy is the kinetic energy generated when the air on the surface of the earth moves, that is, the kinetic energy of the wind. It is a manifestation of solar energy. The principle of wind power generation is very simple to say. The simplest wind turbine can be composed of two parts: the impeller and the generator, as shown in Figure 1. The kinetic energy of the air flow acts on the impeller and converts the kinetic energy into mechanical energy, which in turn drives the rotation of the impeller. If the impeller's shaft is connected with the generator's shaft, it will drive the generator to send electricity. The principle of wind power generation is so simple. Why was it only used in the middle to late 20th century? First, conventional power generation can also meet the needs, the level of social productivity is not high enough, and it is impossible to take into account the reduction of environmental pollution and the solution of power supply in remote areas. Second, the design and manufacture of wind turbines that can be connected to the grid is only possible with the advent of modern high technology. At the beginning of the 20th century, modern wind turbines could not be built. Wind power generation has three operating modes: First, independent operation mode, usually a small wind turbine provides power to one or several households, it uses a battery to store energy, to ensure the use of electricity when there is no wind; Second, wind power generation and Other power generation methods (such as diesel power generation) combine to supply electricity to a unit or a village or an island. Third, wind power is integrated into conventional power grids to provide power to large grids. It is often a dozen or even several wind farms. 100 wind turbines, which is the main direction of development of wind power. The wind power generation we are referring to here refers to high-power wind turbines and grid-connected power generation.
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Tension & Compression Load Cells