Wind power is undoubtadly one of the best renewable sources available to us today. wind power electricity is the use of wind to rotate the blades of huge fan connected to generator turbines which coverts the kinetic energy in to electricity. It is a fairly recent invention and we are still unsure about the best possible ways to harness this technology. Till today only about 1.5 % of world's power is generated through wind powered mills.
Various countries where using wind energy is viable have put this technology in to action. Denmark uses around 19% of power produced by wind energy which is quite remarkable.It is then followed by 11% power generated by spain.Portugal uses about 7% wind generated electricity. Unfortunately not all countries can afford to construct this technology due to the cost and the wind conditions available in the country. Sadly only 8 countries have been able to produce wind electricity for commercial use.
The experts estimates that total wind energy potential on the planet is around 72TW. This shows as the awesome power and capacity of a much valued resources in our world. But there are practical problems faced while generating wind energy.
firstly,wind energy is available only to few countries, many countries are covered with vast deserts and extreme cold zones some other, where installing turbines yields very poor results.
secondly, cost of setting it up is too much for developing nations to begin production. Even though it is true that once set up,the energy production more than makes up for the initial cost.
thirdly, the low output of the turbines.
Wednesday, July 8, 2009
Residential wind turbines
residential wind turbines are nothing but the turbines installed in the top of the houses are in the farm that produces energy for the household. The wind turbines are a part of the wind generation by tapping the useful forces of the wind. The turbines are installed and connected to the rotating blades of the fans which are turned by the passing force of the wind.In this way the turbines generate electricity by converting wind's kinetic energy.
Residential projects are uncommon. Even though the wind energy is one of the cleanest source of energy and is renewable, its high cost of production acts in its disfavor. Another major hindrance in wind energy production is the uncertainty of the available wind fuel. Even after the turbines and blades have been installed, the energy generation is depends on the wind force and is indeterminable. This causes the wind millsto be just standing without really putting them to work.
A lot country farm owners have found this as a good source of energy and like solar energy.
it has been installed on a private basis like on commercial basis. Regions were the availability of wind force is particularly guaranteed, installation of such technology may be worth the spending.
One of the major reasons of it not being used for large scale commercial use and it being used in residential power supply is its inconsistent productivity. A household would need relatively less energy and could also do without the energy if needed, in house were alternative supply of energy is available. it can easily switch between different source of energy.Even in some countries people are adopting this technique , using wind mill energy during wind season and other sources during rest of the year for their factories. nowadays wind turbines are being installed in oceans also. If we start using this wind turbines more widely, it not only economically effective but also prevents unwanted destruction of forests from installing all electical transformers through forest to remote places, by this sure we can change our world in to green in return it gives more wind power to us. think again......
Residential projects are uncommon. Even though the wind energy is one of the cleanest source of energy and is renewable, its high cost of production acts in its disfavor. Another major hindrance in wind energy production is the uncertainty of the available wind fuel. Even after the turbines and blades have been installed, the energy generation is depends on the wind force and is indeterminable. This causes the wind millsto be just standing without really putting them to work.
A lot country farm owners have found this as a good source of energy and like solar energy.
it has been installed on a private basis like on commercial basis. Regions were the availability of wind force is particularly guaranteed, installation of such technology may be worth the spending.
One of the major reasons of it not being used for large scale commercial use and it being used in residential power supply is its inconsistent productivity. A household would need relatively less energy and could also do without the energy if needed, in house were alternative supply of energy is available. it can easily switch between different source of energy.Even in some countries people are adopting this technique , using wind mill energy during wind season and other sources during rest of the year for their factories. nowadays wind turbines are being installed in oceans also. If we start using this wind turbines more widely, it not only economically effective but also prevents unwanted destruction of forests from installing all electical transformers through forest to remote places, by this sure we can change our world in to green in return it gives more wind power to us. think again......
Wednesday, May 27, 2009
wind turbines
5 questions about wind turbines…
Wind turbines are becoming more and more popular with the “green” revolution. Here are 5 of the most popular questions asked about wind turbines…
What is a wind turbine?
A wind turbine is the modern equivalent of an old fashioned windmill. You might have seen a picture of one on TV, or you may have been lucky enough to see one in real life. They are usually white, very tall, and look like, well, a giant windmill. They are usually locate din rural areas.
What components make up a wind turbine? How do wind turbines work?
There are three main components to a modern wind turbine: A prop, a turbine and the structure.
The prop is the propeller. It is very large and usually has 3 to 5 angled blades. The angles of the blades make it function like a giant screw, so when the wind blows through it, the propeller turns. The blades are usually adjustable so the propeller can be used to maximum efficiency.
The propeller is attached to a generator. When the wind turns the propeller, it in turn rotates the shaft that is connected to the generator. Much like an electric motor, the generator has oppositely charged magnets inside. When the shaft rotates the mechanism inside the generator, the magnets are rotated around each other, causing an electrical reaction. This is how the wind turbine creates power.
This propeller and the generator are mounted on top of a very tall structure. This is needed because wind at lower levels is blocked by obstructions and is not powerful enough to turn this huge mechanism. Numerous computers and power cables take the energy from the generator, transport it down the structure and into the power grid.
What are the uses of a wind turbine?
Wind turbines are used to generate power. This power can be used to power homes, farms, or anything else that needs electricity.
What are the benefits of wind turbines?
The main benefit of wind turbines is that they are 100% green. They don’t make any emissions and are harnessing the world’s renewable energy. They can break the world’s dependency on oil and make the world a cleaner place. Also, wind turbines can be located almost anywhere, severely reducing infrastructure costs.
What are the main disadvantages of wind turbines?
There are a few disadvantages to wind turbines. First, they are quite expensive. They cost millions of dollars to build and install, but don’t create that much electricity. To generate a significant amount of electricity, you have to put many of them together, creating a wind farm. Not only is this super expensive, but there is not a lot of suitable land to do this on.
Also, there is an issue with wind turbines interfering with birds migration patterns. This is a more rare case, but birds have a habit of running into wind turbines and getting hurt. This is not that major of an issue, but it should still be taken into account.
Wind turbines are becoming more and more popular with the “green” revolution. Here are 5 of the most popular questions asked about wind turbines…
What is a wind turbine?
A wind turbine is the modern equivalent of an old fashioned windmill. You might have seen a picture of one on TV, or you may have been lucky enough to see one in real life. They are usually white, very tall, and look like, well, a giant windmill. They are usually locate din rural areas.
What components make up a wind turbine? How do wind turbines work?
There are three main components to a modern wind turbine: A prop, a turbine and the structure.
The prop is the propeller. It is very large and usually has 3 to 5 angled blades. The angles of the blades make it function like a giant screw, so when the wind blows through it, the propeller turns. The blades are usually adjustable so the propeller can be used to maximum efficiency.
The propeller is attached to a generator. When the wind turns the propeller, it in turn rotates the shaft that is connected to the generator. Much like an electric motor, the generator has oppositely charged magnets inside. When the shaft rotates the mechanism inside the generator, the magnets are rotated around each other, causing an electrical reaction. This is how the wind turbine creates power.
This propeller and the generator are mounted on top of a very tall structure. This is needed because wind at lower levels is blocked by obstructions and is not powerful enough to turn this huge mechanism. Numerous computers and power cables take the energy from the generator, transport it down the structure and into the power grid.
What are the uses of a wind turbine?
Wind turbines are used to generate power. This power can be used to power homes, farms, or anything else that needs electricity.
What are the benefits of wind turbines?
The main benefit of wind turbines is that they are 100% green. They don’t make any emissions and are harnessing the world’s renewable energy. They can break the world’s dependency on oil and make the world a cleaner place. Also, wind turbines can be located almost anywhere, severely reducing infrastructure costs.
What are the main disadvantages of wind turbines?
There are a few disadvantages to wind turbines. First, they are quite expensive. They cost millions of dollars to build and install, but don’t create that much electricity. To generate a significant amount of electricity, you have to put many of them together, creating a wind farm. Not only is this super expensive, but there is not a lot of suitable land to do this on.
Also, there is an issue with wind turbines interfering with birds migration patterns. This is a more rare case, but birds have a habit of running into wind turbines and getting hurt. This is not that major of an issue, but it should still be taken into account.
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