What are the dangers of wind power plants?

Introduction What are the dangers of wind power plants? 1. Wind power generation will harm the local ecological environment, for example by destroying vegetation, changing topography, causing soil erosion and land desertification. 2. Wind energy production

What are the dangers of wind power plants?

1. Wind energy production will harm the local ecological environment, for example by destroying vegetation, changing topography, causing soil erosion and desertification.

2. Electromagnetic radiation produced by wind power generation affects human habitation. In wind power generation systems, generators, substations, transmission lines, etc. are the main causes of electromagnetic radiation. When the receiving device attached to the wind farm receives the signal, it will receive the electromagnetic wave signal reflected from the wind turbine blades.

The reflected signal is a delayed signal, which may have a greater impact on the AM radio system; At the same time, the rotation of the turbine blades will also produce a phase shift signal, which may impact the FM radio system. The material the blades are made from will also interferewith electromagnetic waves. If the blades are made of metal materials, it will cause serious electromagnetic interference.

In addition, an alternating electromagnetic radiation field will form around high-voltage transmission lines, causing electrostatic induction relative to the ground, causing radio interference and affecting human health.

3. Wind energy affects the local climate. Wind energy uses wind energy present in the atmosphere. According to the law of conservation of energy, the consumption and production of one type of energy must produce or consume another type of energy. Therefore, wind turbines The process of producing electricity must consume some of the wind energy present in the atmosphere. As an important factor in climate change, changes in wind energy will inevitably lead to climate change.

LoWhile some offshore wind farms and inland wind farms are operating, if the humidity is relatively high, a huge tail of water vapor will condense behind the wind turbine, which may affect the local microclimate, such as humidity, sand and dust have an impact.

4. Wind turbine blade damage is prone to accidents when the wind turbine blades are subjected to strong winds above 25m/s (wind speed cut off), although the wind turbine is in a state of stop. However, due to the limited bending moment, torque, shear resistance and extrusion that the blade root can withstand, in severe cases the entire blade may fly away.

Causes casualties and damage to buildings on the road (although wind turbines are mainly located in coastal areas with sparsely populated areas). In addition to extreme winds, blade surface corrosion, lightning strikes, ice layerce, cracks, etc. can easily cause blades to break, causing accidents and affecting public safety.

5. Noise risks linked to wind energy production. For a wind turbine of such size, when the huge blades rotate (one blade requires a special long collapsible truck to transport), noise is inevitable.

The sound of wind blades can be roughly divided into three categories.

1. Thick noise, produced by the compression of the air and the blades. In windy weather, when we close the doors and windows, we often hear a sharp, harsh sound, which sounds like a ghost. crying or a howling wolf? , coupled with the gloomy sky outside, it's still a little scary to think about it.

2. Load noise, as the name suggests, is caused by the blades carrying a large load.

3. Impulse noise is generated when the Mach number is close to 1. From cIn this way, the impact of noise on the environment cannot be ignored.

Detailed information

Risk response measures:

1. The construction of a wind power plant requires preliminary planning. It should be far from feasible. residential areas and avoid environmentally sensitive areas.

2. Improve the design level of wind power generation so that it can be well integrated into the environment.

3. When developing wind power generation, environmental, economic and social effects must be considered comprehensively, and any of them cannot be ignored. The impact on the environment must be reasonably taken into account in both its positive and negative aspects.

Baidu Encyclopedia - Wind Energy

All electrical products produce electromagnetic radiation. Generally, devicesThe electrics produce them. Electromagnetic radiation can be ignored when at a distance of 1-2 meters. Nowadays, people often confuse ionizing radiation with electromagnetic radiation. The former refer to X-rays, alpha rays, beta rays and gamma rays, which are more harmful to humans. body, especially The distance of X-ray radiation is far. The main effect of electromagnetic radiation on the human body is to generate heat, which is less harmful.

Fluorescent computer screens use cathode ray tubes, which can also produce x-rays, but LCD screens do not produce x-rays.

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