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Wind Energy Characteristics Jun 04, 2018

Wind energy is abundant, nearly endless, widely distributed, clean and easing greenhouse effects. There is a certain range of the earth's surface. After a long-term measurement, the average wind energy density obtained from surveys and statistics indicates the basis for energy use within this range, which is usually marked on the map by energy density lines.

Wind energy is a kind of energy that is available to human beings because of the air flow. It belongs to renewable energy (including water energy, biological energy, etc.). The kinetic energy of the air flow is called wind energy. The higher the air velocity, the greater the kinetic energy. People can use windmills to convert the kinetic energy of the wind into rotating motions to propel generators to generate electricity.

The method is to transmit the rotational power of the rotor (composed of aerodynamically propelled blades) to a generator through a propeller shaft. As of 2008, wind-generated electricity around the world is about 94.1 million kilowatts, and the supply of electricity has exceeded 1% of the world's consumption. Although wind energy is not a major energy source for most countries, it has grown more than fourfold between 1999 and 2005.

Modern turbine blades transform the mechanical energy of the air flow into electrical energy and become a generator. In the Middle Ages and Ancient times, windmills were used to collect the mechanical energy used to grind grains and pump water.

Wind power is used in large-scale wind farms and some isolated locations for power supply, making a huge contribution to local life and development.