Wind energy utilization factor and wind turbine efficiency The theory shows that when all the kinetic energy of the air close to the wind wheel is absorbed by the rotating wind wheel blades, the air behind the wind wheel will stop flowing, but this is obviously impossible. Therefore, even if the wind energy that passes […]
Renewable energy electric power generation technologies engineering and application
The basic principles and implementation methods of renewable energy engineering using various renewable energy technologies for electric power generation are described
Renewable energy electric power generation technologies engineering and application
The basic principles and implementation methods of renewable energy engineering using various renewable energy technologies for electric power generation are described
Force action, airfoil and angle of attack in the working principle of wind turbines
After understanding the basic types of wind turbines, we then analyze their working principles. From the perspective of physics, its working principle is: when the wind blows on the wheel plane of the wind turbine, the wind wheel will be thrust by the wind, and then torque will be formed, and the torque will promote the […]
Basic types of wind turbines
1. Horizontal axis wind turbine At present, the vast majority of grid-connected wind turbines use horizontal-axis wind turbines, and their shape and structure are shown in Figure 1. The rotor of the wind turbine is installed on the top of the tower where the wind is strong and the turbulence is small. At the same […]
Wind power generation technology and its common forms
The use of wind energy is to convert the kinetic energy of the wind into mechanical energy, and then into other forms of energy. Mankind has been using wind energy for a long time, and there is the word “fan” in the oracle bone scripts of the Chinese dynasty, which shows that China began to […]
Wind energy density and distribution of wind energy resources in China
Wind energy and wind energy density Wind is flowing air, and moving air has kinetic energy. This kinetic energy is called wind energy. According to the above discussion on the formation of wind, solar radiation is the most important source of wind energy. Studies have shown that the total solar radiation power received by the […]
The description of wind and the distribution of earth’s wind energy resources
Description of wind Wind is a moving airflow and a vector. People generally describe it with three parameters: wind direction, wind speed, and wind level, as follows: (1) Wind direction. In daily life, people are always accustomed to calling the direction the wind blows as wind direction. If the wind is blowing from the south, […]
Wind and its formation process
As we all know, the earth we live on is surrounded by a layer of air thousands of meters thick, and the horizontal movement of the air relative to the ground is called wind. Under normal circumstances, according to different scales of atmospheric circulation, wind can be divided into three types, namely atmospheric circulation, monsoon […]