Wind power appears to have a bright future in helping to power countries like America and Canada as well as in Europe. Its potential rises to the level of someday being able to power 20% of America and already powers much of Denmark and Spain. However, in the western world, the future of wind power is based on many factors that are not very consistent. Wind power is inexpensive now, but prices of fossil fuels are driving up the prices of other things like manufacturing which then have an impact on the price of wind power. As the price of fossil fuels drops however, the viability of wind energy also drops because consumers are not looking for the best bargain anymore. The movement to develop wind power as a viable energy alternative is still growing in the western world and there are criticisms for it. The tottering of Wall Street makes investors leering of putting their money into anything that is not completely proven safe, so investors backing wind power companies are dropping off. Even large power companies like GE are uncertain about their roles in future wind power projects in the face of the shaky economy.
Supporters of wind power though point out that though the short term may seem bleak, in the long term, wind power is still an extremely important alternative energy resource. It is clean, renewable, and Americans are sitting on a gold mine of it, so to speak. It is also advisable that American companies get on it, as foreign companies are looking at America in much the same way and they have the money and time to put into the effort. Supporters also point out that the benefits of using wind power far outweigh the costs-benefits to the environment and the fact that there would be less dependency on foreign oil.
Harnessing the power of the wind has been a practice for centuries now and there is no reason to think that it will stop simply because of money issues. Although things are slowing down for wind now, there is no reason why it will stay that way. The technology is now available to make wind power easy to use and maintain and there is plenty of interest in continuing research into wind power. Therefore, those who are worried that wind power will be put on the back burner until it is forgotten should put their minds at ease. It may look rocky now, but the wind will always be blowing and so there will always be a reminder of a better source of renewable energy.
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Sunday, August 23, 2009
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Build your own wind turbine is one of the easiest systems for consumers to install and maintain. The whole system can be built with nothing more than a tower, a turbine, wiring, and a battery to store extra power in for days when it is not windy. As long as you have some land to build it on that is well enough away from neighbors not to annoy them and a steady wind blowing, you have the ability to create electricity from wind.
There are two basic types of wind turbines: horizontal axis and vertical axis turbines. The more common horizontal axis has to be directly facing the wind in order to work properly. Vertical axis turbines can take advantage of any wind direction but take up more space. Horizontal axis turbines require a tower in order to work while vertical axis turbines are built into the ground and require more guy wires which is why it needs more space.
With horizontal axis turbines, it is important to keep in mind the height of the tower it is mounted on as that determines how much power the turbine is able to generate. It is generally suggested that the blades come nine meters above everything else around it and the towers be eighty to a hundred and twenty feet high. The amount of power produced is proportional to the height of the tower since wind speed is faster at higher altitudes. Power is proportional to wind speed cubed, meaning that if the wind speed doubles, the power outage goes up by a factor of eight, so even slow winds can produce power.
Wind turbines are surprisingly quiet at a distance of only two hundred and fifty meters, coming below office noise in decibels for larger windmills. Small ones are only as loud as an air conditioner, so you do not have to worry about annoying the neighbors with excess noise. They are also easy to maintain, only requiring periodic oiling and greasing, annual bolt tightening, and safety inspections. Blades can also be made to be more durable with paint seals and buying black coated seals to let ice slide off. It takes ten years before blades and bearings should be replaced and the turbines can last twenty to thirty years before needing to be overhauled and replaced. This makes windmills a long term investment and that the only costs you will have to worry about after installation is occasional maintenance which you can do yourself.
build your own wind turbine
Home Wind Power Generators is one of the cheapest sources of electricity found up until summer. At 8.4 cents per kilowatt hour, it trumps out gas or nuclear power plants (at over nine cents per kilowatt hour) and was only beaten by coal at six cents. Even with a predicted 30% spike in costs for installing due to the rising costs of steel and other materials, home wind power generators is still cheaper than other forms of energy since they too will feel the pinch of more expensive building materials.
Although the initial installation of the generator/turbine, tower, and any other accessories is expensive, consumers find that the system pays for itself and they can start taking advantage of free power from their system. Owning the home wind power generators system for yourself also means that you duck all of the administration fees and taxes from power companies. Home wind power generators also has no hidden ‘costs’ to the environment; the turbines require nothing more than the wind to run and there is no pollution. Consumers can also apply for government grants to help with the installation of the product and can be eligible for tax cuts meant to promote ‘going green.’
Some people even try to produce excess power through their home wind power generators and sell it back to power companies for a profit. There are power companies in America and Canada that actively look for people willing to sell their extra power to them so that they do not have to produce as much themselves and so they too can take advantage of subsidies for cutting back on pollution brought by producing energy. The production of generators, turbines, and all the parts needed also provides jobs for people in a sector of energy production that they can feel good about. Even companies such as Borealis Print which produces cards, claim that it uses wind power to generate their power needs and so they are more green than their competitors which is a good way to promote the company overall.
However, with fuel costs dropping again and the price of materials to build the turbines rising, home wind power generators faces a more uncertain future for America and Canada. There are not as many investors for wind power as there used to be as the situation in Wall Street makes people rethink their investments and work towards more stable companies for their money. However, many financial advisors say that wind power is still good in the long term-that energy companies will continue looking at wind power as a source of electricity and that although there may be a dip now, it will even out in the future as people turn away from fossil fuels.
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Saturday, August 8, 2009
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Residential wind generators have a lot of benefit to consider build residential windmills generator and create your own electricity
The first obvious benefit of using residential wind generators is that it is completely renewable and environmentally safe source of power. Unlike hydroelectricity which is criticized for its negative impact on fish stocks, and coal for its effects on air quality, residential wind generators has very little impact on the natural world. wind generators, like solar, is a source of power that is not going anywhere-there will always be wind.
Residential wind generators is also simple to set up, maintain, and use. Unlike more traditional forms of power which involve massive plants and dams, wind power requires just a windmill to catch the wind and a generator to turn it into electricity. Homes can have their own private source of power as long as they have the space for the equipment and the homeowner is responsible for the maintenance and completely responsible for how much power they use without having to worry about things such as administration fees fattening up their electricity bills.
Residential wind generators is also a fast growing business in America. Leaders are realizing that they have a gold mine of power just above their heads and are striving to take advantage of it. Wind farms to generate electricity are springing up all over the Great Plains and coasts of America, making it soon to be the leader in generating wind power in the world. This will cut down on the dependency on foreign oil and gas for power and provide a greener world for the next generation to live it. As governments begin to pay more attention to wind power, the costs of building stations will drop with subsidies and more people will be able to take advantage of wind generators in their own homes. This also means more jobs in the energy sector, building wind farms and maintaining them. Even farmers can get in on building wind farms to supplement both their power needs and their income. Farmers across the mid west build wind farms in conjunction with their normal farms and get tax cut benefits and the ability to sell power to their neighbors and to power companies.
Wind farms are also used as tourist sites overseas, drawing people in to see the beautiful wind mills and turbines. The construction of wind farms has also been shown to promote community involvement as more people put their thoughts forward on the kind of power they would like to have for themselves.
Residential wind generators
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People have been utilizing the power of wind since as early as 5,000 B.C. when the Egyptians used wind powered boats to sail the Nile River. By 200 B.C., people in China were using basic windmills to pump water, and people in the Middle East were using them to grind grain. During the late 1800’s and early 1900’s, windmills were used throughout the Midwest to pump water and generate electricity.
After World War II, the need for wind power decreased with the low price of oil. The interest in wind technology rose again in the 1970’s with the energy crisis. Americans always seem to return to the trusted and ever present form of electricity found in wind. It is regaining popularity even now with high gas prices and instability in many oil producing countries.
There are two main types of windmills or wind turbines. The vertical axis wind turbines were the first to be used. The Persian windmill which used sails was an example of this vertical style. The style was inefficient, but in the 1930’s a Frenchman improved upon the design. He introduced an “egg beater” design for the vertical windmill. His idea was even further improved upon during the 1970’s. The benefit to the design is that wind can be used coming from any direction.
The horizontal windmill, unlike the vertical, cannot use wind coming from different directions. These machines need equipment to sense which way to face to make the best use of the wind. Horizontal wind turbines are the most recognizable windmills in America.
They have the propeller look that most people associate with a wind mill. There are design flaws, but this type remains the most popular form, and all current windmills and turbines are of the horizontal style.
Size matters a great deal when it comes to the efficiency of a windmill or turbine. A wind turbine is basically a larger size of windmill. Small home scale windmills can produce as little as 100 kilowatts. These size windmills are typically only for single residence use and are not connected to others on a wind farm or otherwise through a grid. The largest wind turbines, like the ones used on wind farms, can produce up to several megawatts of electricity. The largest wind turbines are produced in Europe and are capable of generating up to 6 megawatts of power. One can only imagine what a field of these could produce.
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Saturday, July 25, 2009
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