Why can't typhoons be used to generate electricity?

Introduction Why can't typhoons be used to generate electricity? As the wind volume is unstable, the wind turbine produces an alternating current of 13 to 25 V, which must be rectified by the charger and then the battery is charged.

Why can't typhoons be used to generate electricity?

Due to the unstable air volume, the wind turbine produces 13-25V alternating current, which needs to be rectified by the charger, and then the battery is charged, so that the electrical energy generated by the wind turbine is converted into chemical energy. energy. Then use an inverter with a protection circuit to convert the chemical energy of the battery into AC 220V mains power to ensure stable use.

It is generally believed that the power of wind energy is entirely determined by the power of the wind turbine. The current wind turbine only charges the battery, and the battery stores electrical energy. The amount of electrical energy ultimately used is most closely related to the size of the battery. The power size mainly depends on the size of the air volume, not just the power size of the machine head. Smaller wind turbines will be more suitable than larger ones. BecauseBecause they are more easily driven by small winds to produce electricity, small continuous winds can provide more energy than temporary strong winds. When there is no wind, people can still use the electricity brought by the wind normally. In other words, a 200W wind turbine can also be used with a large battery and an inverter to achieve 500W or even 1000W or more power. .

Although typhoons contain a lot of energy, ordinary methods seem incapable of using it. Relatively gentle natural energy can be easily used by humans, such as hydropower, tidal power, wind power, etc. These violent natural energy release processes, such as tsunamis, earthquakes, volcanic eruptions, etc., cannot be used based on the current capabilities of human beings.

Wind power plantsdo they emit radiation and does it affect people?

The strong wind at the airport is closely related to the airflow changes caused by the takeoff and landing of the aircraft. It is windy in the area near the runway, and the wind needs to dissipate. and landed by plane. If the wind power generation device is too close to the runway, the aircraft will not be able to take off and land safely, the distance is too far, the wind effect disappears, there is no wind for no aircraft. take off and land, so the airport cannot build wind power generation devices.

The 100-meter-high wind turbine collapsed in Yangzhou. Why did it collapse so quickly less than six months after it was built?

We sometimes see groups of buildings resembling windmills in nature. These are wind power plants. The use of wind energy to prGenerating electricity is very environmentally friendly and wind resources are abundant, so wind energy plays an important role in our lives. Wind power plants use clean and harmless wind resources. During the process of generating electricity, they do not produce radiation like nuclear power plants do, so they will not have any impact on the human body.

1. The principle of wind power generation

The principle of using wind energy to produce electricity is: the wind causes the blades of The windmill to rotate and the speed increases due to the speed increases, thereby converting the kinetic energy of the wind into mechanical energy, and then the mechanical energy is converted into electrical energy, inducing the generator to produce electricity. The wind wheel of the windmill is an important element that is suitableconverts the kinetic energy of the wind into mechanical energy, and the iron tower is an important structure that supports the wind wheel, rudder and generator. With wind turbines, even a breeze with a speed of just three meters per second can be harnessed to start producing electricity. The stronger the wind, the greater the kinetic energy of the wind. The economic benefits generated by the power plant will be greater. In the plateaus and coastal areas of northeast, northwest and southwest China, wind resources are particularly abundant. It is very significant and promising to develop wind power plants in these areas.

2. Types of Wind Power Plants

Wind power plants can be divided into the following types: The first type is a vertical axis wind turbine. The structural design of this generator is simpler than other generators. other conditions are certainnes, the power supplied by this generator is lower; the second type is horizontal axis wind turbine, which can be divided into two types: doubly powered generators are more commonly used; It is also a dual-fed generator, which is increasingly used in wind power generation due to the development of electrical technology.

Wind power generation uses clean and renewable wind energy resources, which will not be depleted or pollute the environment. In addition, the construction period of wind power plants is short and it is not necessary to invest too much human and material resources. However, wind power plants also have their drawbacks. They must occupy a large area of ​​land and, as they depend on natural wind resources, their electricity production is actually unstable and affected by natural conditions.es. During operation, wind power plants will also produce noise, which will affect the lives of surrounding residents to a certain extent.

In fact, tower tubes represent about 20% of the cost of a wind turbine. Although the tower itself has a simpler loading shape than the blades, the hundred meter height imposes heavier loads on the tower itself, particularly at the base of the tower. The tower forces are mainly the gravitational force of the fan and the lateral force of the wind. As for gravity, just make sure there's enough cross-sectional area to handle it. However, when it comes to lateral forces, the tower is a “beam” fixed at the bottom. A small force on the head creates a larger bending moment on the bottom.

This bending moment can damage the basic structure. This structure, similar to a por beamoverhang, will therefore be reinforced at its fixed end. The beam structure itself will also be specially designed. In order to improve the lateral bending resistance of the tower, the size of the bottom is larger than that of the top. Ideally, this variable section size can allow internal stresses to be distributed evenly. This makes it possible to fully utilize materials, maximize their bearing capacity and reduce the weight of the structure. It was very windy that day. However, strong winds should not be the main reason. When starting a wind project, local weather resources will be studied. Wind level is obviously an important parameter in the structural design of wind turbines. So although it was very windy that day, it was not extreme weather. Wind levels should always remain within design limits.

The load capacity of thetower of the first level (lower level) is sufficient. If the cause lies in the first step, then the entire tower will fall in one piece and the top tower will basically not be disconnected. Overall, the stress distribution is essentially uniform due to the varying cross-section of the tower structure. However, due to the tower being manufactured in sections, the connections in that section are therefore the weak link in the tower. The small holes around the tower are connection holes, which are fixedly connected by bolts and other connectors during installation. In the installation specifications, these connectors are precision connectors and require a dedicated torque wrench to install them for optimal torque: they are not too large to damage the connector, and they are not too small to connect. Not sure.

However, these conconnectors remain the weak link. When a wind turbine operates, the wind force is not constant but pulsating, and the direction is not unique. For towers, the wind direction is completely random. This form of wind acts on the blades and is then transmitted to the tower. The tower itself will swing under the influence of the wind, which is fatal to the connector. Under this kind of swing, the connection can become loose. Once released, the swing will increase, which is a vicious cycle. Additionally, when the connector itself swings back and forth, it is subjected to cyclical loads, subject to metal fatigue, thereby reducing its load-carrying capacity. After some time it will disconnect and there will be a connection between the first phase and the second phase. There is an obvious breakage, which is probably a problem with the connector here.

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