What methods do humans have to generate electricity?

Introduction What methods do humans have to generate electricity? Power generation methods include: thermal power generation, hydropower generation, nuclear power generation, wind power generation, geothermal power generation, etc. Power generation refers to the use o

What methods do humans have to generate electricity?

Power generation methods include: thermal power generation, hydropower generation, nuclear power generation, wind power generation, geothermal power generation, etc.

Power generation refers to the production process of using power generation devices to convert raw energy such as water energy, thermal energy of petrochemical fuels (coal, oil, natural gas), nuclear energy, etc. into electrical energy.

Power generation is used to supply the needs of various departments of the national economy and people’s lives.

Nowadays, fossil fuels are still used as the main form of power generation, but fossil fuel resources are not many and are becoming increasingly depleted. Human beings have gradually begun to use solar energy, wind energy, geothermal energy, ocean energy and other energy sources to generate electricity. Generate electricity.

As of March 2020, the current price of wind power equipment is generally around 900,000 euros/MW, or RMB 7.61 million. 4 million can buy 0.5 MW wind power equipment. The price of a 300KW wind turbine is around 3.2 million yuan, and there are currently 0.5-2.0 MW wind power equipment on the market.

It depends on what brand you choose, how much power, what kind of configuration, etc. Generally speaking, domestic brands such as Yuchai and Weichai are relatively cheaper, while international brands like Cummins have absolutely superior technology and are relatively expensive. The higher the power, the higher the price. The configuration level also directly affects the price.

Extended information:

The principle of wind power generation is to use wind power to drive the windmill blades to rotate , and then increase the rotation speed through the speed increaser to promote the generator to generate electricity. According to windmill technology, power generation can begin at a breeze speed (the degree of breeze) of approximately three meters per second. Wind power is becoming a craze around the world because it does not require the use of fuel and does not produce radiation or air pollution.

The devices required for wind power generation are called wind turbines. This kind of wind turbine can be roughly divided into three parts: wind wheel (including tail rudder), generator and tower. (Large wind power stations basically do not have tail rudders, and generally only small ones (including household types) have tail rudders).

The wind wheel is an important component that converts the kinetic energy of the wind into mechanical energy. It is composed of several blades. When the wind blows towards the blades, aerodynamic force is generated on the blades to drive the wind wheel to rotate. The blade material requires high strength and light weight, and is often made of fiberglass or other composite materials (such as carbon fiber). (There are also some vertical wind wheels, S-shaped rotating blades, etc., which have the same function as conventional propeller-type blades).

Baidu Encyclopedia-Wind Power Generation

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