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Wind Power

Wind power is derived from the conversion of wind energy to become a useful form of energy to propel ships, make electricity or pump water. Wind is a renewable source of energy that is widely available and produces no harmful emission during operation.

2,489 Questions

How tall is a wind turbine tower?

The height of a wind turbine tower typically ranges from 200 to 300 feet, although some can be taller. The height is important for maximizing the turbine's exposure to wind at higher speeds, which increases energy production.

Why does windmill have only 3 blades?

Windmills typically have three blades because it strikes a balance between efficiency and cost. Three blades have been found to be the most efficient design for capturing wind energy while minimizing material and construction expenses. Additionally, a three-blade configuration allows the windmill to operate smoothly and withstand varying wind conditions.

What is the connection between the suns energy and the wind?

The sun's energy is the primary driver of wind patterns on Earth. As the sun heats the Earth's surface unevenly, air masses of differing temperatures and pressures are created, leading to the movement of air which we feel as wind. In this way, the sun's energy is indirectly responsible for creating wind.

How many wind turbines does it take to equal a nuclear reactor?

Nuclear reactors and wind turbines both vary in size and the amount of power they can generate, so an exact answer is really not possible.

But, a nuclear reactor can typically generate in the neighborhood of 1100 Megawatts of power, and as of 2011, a typical wind turbine installed on a large wind farm can generate in the neighborhood of 2 Megawatts of power.

So dividing 1100 by 2, you get 550. But this isn't the answer you want because wind turbines don't generate at their full capacity most of the time (while nuclear reactors do.) It would take 550 wind turbines to equal one nuclear reactor if they both operated at their maximum capacity all the time, which is not the case.

To correct for this, you need adjust by what's called the capacity factor. For nuclear reactors this is around 90%. That means over the long run, they generate electricity at 90% of their maximum. The capacity factor for large wind turbines is much lower, 30-35%. So 90%/30% is 3, and we need to multiply the 550 number by 3 to get the real equivalent.

550 X 3 = 1650.

So a reasonable number to quote for the number of turbines that equal one nuclear reactor is 1650.

Why does wind generate electricity?

Wind itself does not generate electricity, but using wind turbines it is converted into mechanical energy and the mechanical energy is converted into electrical energy.

"Simply stated, a wind turbine works the opposite of a fan. Instead of using electricity to make wind, like a fan, wind turbines use wind to make electricity. The wind turns the blades, which spin a shaft, which connects to a generator and makes electricity. Take a look inside a wind turbine to see the various parts. View the wind turbine animation to see how a wind turbine works."

How is wind power stored once it is recovered?

Wind power isn't stored. It is immediately generated into electricity that goes straight into the power lines. This is why there has to be power lines in and area for it to be able to have a wind farm.

How does the wind cause a turbine to spin?

turbines spin when there is a cause of wind..!!

Is wind energy caused by wind?

Wind energy is generated by harnessing the kinetic energy of moving air, or wind. Wind turbines convert this energy into electricity by rotating blades that turn a generator. This renewable energy source is abundant and does not produce greenhouse gas emissions.

What are the sticky out bits on a wind turbine called?

The sticky out bits on a wind turbine are called blades. They are designed to capture the kinetic energy of the wind and convert it into rotational energy to generate electricity.

Why is wind power better than gas?

Wind power is considered better than gas because it is a renewable energy source that produces no greenhouse gas emissions or air pollutants during operation. Wind power also has lower operating costs once the infrastructure is in place, and it helps reduce dependency on fossil fuels that contribute to climate change.

What are vestas weknesses?

Some potential weaknesses of Vestas may include dependence on government policies for wind power development, exposure to fluctuations in raw material prices, and vulnerability to competitive pressures in the renewable energy industry. Additionally, Vestas' financial performance may be impacted by global economic factors and changes in energy market dynamics.

How much land would need to be covered in wind turbines to replace one nuclear power plant?

If each wind turbine produces about 2 MW, which I believe is current though I suppose bigger ones could be built, you would need 750 of them to replace a nuclear reactor, and you would also have to be prepared for blackout periods when the wind is either not blowing or blowing too strongly for safety. I don't know the spacing requirements but should imagine about 1 acre per wind turbine for these large units, otherwise you would get wind shadowing.

How does an apple generate electricity?

An apple doesn't generate electricity on its own. However, through a process called microbial fuel cells, the natural sugars in the apple can be broken down by bacteria to produce small amounts of electricity. This process harnesses the energy stored in the apple to generate power.

How wind is used to produce electricity?

Turbines are built in large lots. As wind blows, they turn. These are connected to "power outlets" these outlets lead to homes. As the turbines turn mechanical energy turns into electricity and powers our homes.Imagine it as a large mill that turns as water flows through it, and is used to produce bread

Why do you use wind chimes?

Wind chimes are often used for their calming and soothing sound, which can help to create a peaceful atmosphere in a garden or outdoor space. Some people also believe that wind chimes can help to ward off negative energy and promote positive energy flow in the environment. Overall, wind chimes are a popular decorative element that adds beauty and ambiance to outdoor areas.

What is an advantage to using a wind turbines to produce electricity?

One advantage of using wind turbines to produce electricity is that wind is a renewable and abundant energy source that does not produce greenhouse gas emissions or air pollution during operation. Wind turbines can also be placed in various locations, including offshore, to take advantage of strong wind resources.

Is wind used to produce heat?

Wind itself is not typically used to directly produce heat, but wind power can be used to generate electricity which can then be used for heating purposes. Wind turbines convert the kinetic energy of the wind into mechanical power to generate electricity, which can then be used to operate heating systems like electric furnaces or heat pumps.

How dependable is wind power?

Wind power only produces power over a small range of wind speeds. Below the rated speed no power is produced.

Wind is a suitable supplementary power source for grid applications as long as other, more reliable systems are in place.

What energy is used to generate electricity in China?

China mainly use non-renewable sources of energy such as coal. However, they are acknowledging and trying to increase the use of renewable sources of energy. The largest source of renewable energy is hydroelectric power from dams such as the Three Gorges Dams.

Lack of energy is starting to become a exponential problem in China, and in cities such as Shanghai, certain factories are only allowed to operate during night time so there will enough electricity during the day time.

Is wind good for the environment?

If you are talking about Wind Power for getting electricity,

Wind is not harmful or toxic to the environment.

Although it may kill birds as the turbines turn and due to the turbines going around without stopping, the noise is very loud.

Also to make a Wind Power station, you would need a lot of ground, away from towns or villages.

What is the deffiniton of wind energy?

Wind energy is a type of renewable energy that is generated by harnessing the power of wind to produce electricity. Wind turbines are used to convert the kinetic energy of the wind into mechanical power, which is then converted into electricity through a generator. It is a clean and sustainable source of energy that does not produce greenhouse gas emissions.

What is the advantage of using windmill to generate electricity?

Windmills generate electricity by harnessing the power of wind, which is a renewable and clean energy source. This helps reduce reliance on fossil fuels, decrease greenhouse gas emissions, and contribute to a more sustainable and environmentally friendly energy system.

Why were wind turbines created?

So that we would have yet another source of renewable energy... Wind

Edit: I'm assuming it came from Windmills to ground corn or whatever to make flour. People found out how to convert the kinetic energy into eletrical energy. Wind is a rewnewable source of energy. Why not use the wind to it's advantage without harming the environment?

Should you wind a mechanical watch when not in use?

Yes, it is recommended to wind a mechanical watch periodically, even when not in use, to ensure that the lubricants inside the movement do not dry out and to keep the watch running accurately. Wind the watch at least once a month to keep it in good working condition.