It is an electrical equipment that converts wind energy into mechanical energy and mechanical energy into electrical energy. Broadly speaking, it is a thermal energy utilization engine with the sun as the heat source and the atmosphere as the working medium. Wind power uses natural energy. It's much better than diesel power. But if it is used in an emergency, it is still not as good as a diesel generator. Wind power is not considered a backup power source, but it can be used for a long time.
The principle of wind power generation is to use the wind to drive the rotation of the windmill blades, and then increase the rotation speed through the speed reducer to promote the generator to generate electricity. According to current wind turbine technology, a breeze speed (the degree of breeze) of about three meters per second can start generating electricity.
Wind power is creating a boom in the world because it has no fuel problems and produces no radiation or air pollution.
Wind power is popular in countries such as Finland and Denmark; Our country also advocates vigorously in the western region. Small wind power system is very efficient, but it is not only composed of a generator head, but a small system with a certain scientific and technological content: wind generator + charger + digital inverter. Wind turbine is composed of head, rotor, tail and blade. Each part is important, and the functions of each part are: the blade is used to receive wind and convert electricity through the head; The tail keeps the blades facing the direction of the incoming wind to obtain maximum wind energy; The rotating body can make the nose rotate flexibly to realize the function of adjusting the direction of the tail. The rotor of the machine head is a permanent magnet, and the stator winding cuts the magnetic force line to generate electrical energy.
The wind generator is unstable because of the air volume, so its output is 13 ~ 25V of alternating current, must be rectified by the charger, and then charge the battery, so that the electricity generated by the wind generator becomes chemical energy. Then use the inverter power supply with protection circuit to convert the chemical energy in the battery into AC 220V mains power to ensure stable use.
Mechanical connection and power transmission: the horizontal shaft fan blade is connected with the universal elastic coupling through the gearbox and its high-speed shaft, and the torque is transmitted to the drive shaft of the generator. The coupling should be based on the characteristics of good absorption damping and vibration, and the performance is to absorb the appropriate amount of radial, axial and certain Angle offset, and the coupling can prevent the overload of the mechanical device. The other is the direct drive fan blade is not directly connected to the motor through the gearbox fan motor type
