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Duration : 2 min 51 sec
Image via Wikipedia
Wind energy is form of renewable energy. This ‘new’ source of energy is getting more popular and not without reason. In various parts in the world big wind turbine parks are placed by corporate businesses yielding big quantities of energy that can be sold as environmental friendly or ‘green’ energy. Wind energy is big business. Big companies profit from renewable energy but also invest substantially in this new energy source.
As mentioned before wind energy is very environmental friendly. In the search for alternatives for fossil fuels this energy source turned out to be very lucrative.
This energy source makes us less dependent on traditional fossil fuels. It is important to lessen the dependence on traditional fuels. There are many reasons why here we will inform you with the most important once. The traditional fuels are predominantly in the hands of countries in troublesome areas. Therefore you are not sure if the amount of crude oil you request will be delivered due to instability in the region. Also the price for these old fuels is increasing and the current reserves are diminishing. But most of all these old energy sources pollute our planet. But as always the beautiful story of wind energy has not only positive sides. Let’s look at some of negative points as well.
In the Netherlands a windmill park is located in the north of the country. Although the local people here were in favour of the windmills they changed their minds when the mills were actually placed. The residents were complaining about a constant noise during the night that could be compared to a 747 taking of. These complaints were not taking serious by the corporate business owners. Therefore the residents decided to research their complaints by the local university. The outcome of the research was that the residents were right and their complaints should be taken seriously. It turned out that the windmills produced more noise in the evening and night than during daytime due to a higher turbulence at night caused by very specific changes in the upper air layers. During the day there is less turbulence and the sounds that are produced by the windmills are diminished by the noise of local traffic and wind blowing through the trees. All specifics can be read in this paper: The Sound of High Winds: The Effect of Atmospheric Stability on Wind Turbine Sound and Microphone Noise by Frits van den Berg.
In Germany wind mills where placed in the North Sea. Although the location for this purpose is very good, the park doesn’t seem to produce the calculated amount of energy. The windmills often don’t work properly due to malfunction. Whilst the location is good and wind is blowing almost constantly the windmills often just don’t work. The mills were not moving at all and therefore not producing electricity. This project turned out to be very disappointing, but the project is still running and it is believed that it will function according to plan in the future.
In the United States in Vermont the local residents were opposed by the planning of a new wind turbine park. The locals felt that the wind towers would ruin their beautiful landscape. It is a landscape that many generations have fought to preserve and the current residents our proud of. It is hard to convince people to share their landscape with large wind towers that disturb these beautiful views. The plans for building the windmills in Vermont are of the table.
Although is it a good and economical of energy, wind energy is taking some real blows. The advantages are clear and the disadvantages are becoming clear as well. When placed in a surrounding where the landscape is cherished by the people who live there, one could argue not to place them because it might ruining the beautiful landscape and spoil the beautiful views.
Locals and tourist would find these turbines just plain ugly. Also it should be kept in mind that wind turbines with these sizes can produce a lot of noise during the evening and night. Beside these considerations it has shown that wind energy is not always a big success and there is more progress to be made. Technically there are some steps to be made, but a lot of people are working hard in this. Let’s hope that wind energy is here to stay and we will find proper ways to utilise this form a way that we all can benefit from it.
Bryan Wong
http://www.articlesbase.com/environment-articles/will-wind-energy-be-blown-away-54500.html
Home Wind Turbine systems seam perfect to homeowners because no
major permits are needed, homeowner or electrician need to pull a basic
electric permit and start getting free power…
You can find links to pictures that published of home wind turbine rooftop system.
Some are featured in newspaper articles.
These guys have invented and filed for patents on a few of the technologies that make
home rooftop wind turbines easy and a great idea.
Our home wind turbine systems are Wind/Solar Hybrid, and are qualified for government tax credits
of 30%. So, for your investment made in these systems the IRS credits you back 30% within one year of purchase.
You get 30% back from the IRS. So, basically the government will pay for almost 1/3 of your investment
made in your new home wind turbine energy system.
This includes all installation costs and expenses and is a real nice start on your investment payback.
Free electricity isn’t all you get from a new home wind turbine, as soon as your system is up…
Is it more expensive to implement renewable energy or do nothing?
This video, created by the Florida Solar Energy Center, a research institute of
the University of Central Florida looks to answer this question.
Energy retrofits for homes and renewable power generation on the state
level are proposed as two steps towards achieving a future of cost effective
renewable energy. A list of energy retrofits to perform and an explanation
of grid parity is included. While this video does target Florida,
the principles can be applied in other locations.
Now a project in France is turning the turbine design on its head for what developers hope will be a low-cost alternative.
French oil and gas engineering company Technip and wind-power startup Nenuphar recently announced Vertiwind, a two-megawatt wind turbine that they plan to float in Mediterranean waters by the end of 2013.
Vertiwind’s design stands 100 meters tall, but places the generator, which weighs 50 tons, inside a sealed tube beneath the turbine’s rotating blades, 20 meters above the sea.
A buoy built by Technip for a 2.3 megawatt horizontal-axis floating turbine prototype, owned by the Norwegian energy company Statoil, extends 100 meters below the surface.
Technip and Nenuphar plan to build two vertical-axis turbines with a power output of two megawatts each, one onshore and one offshore, at a cost of $28 million.
Few large-scale vertical-axis turbines have been built, and all have had a curved-blade design that connects to the turbine’s main shaft at the top and bottom of the blade, thereby evenly distributing the load placed on the structure, Musial says.
Check out the whole article at: A New Twist on Floating Wind Power
Wind Farm NO Turbines Allowed
Windstalk is leading edge technology but after all it’s just a concept right now.
Wind turbines are the very popular way to generate clean energy with large-scale wind farms springing up all over the world.
However, many residents near proposed wind farm sites have raised concerns over the aesthetics and the low frequency vibrations they claim are generated by wind turbines.
An interesting Windstalk concept devised by New York design firm Atelier DNA could overcome both these problems while still allowing a comparable amount of electricity to be generated by the wind.
Devised as a 100% clean energy generation project and tourist attraction for Abu Dhabi’s Masdar City, the Windstalk concept consists of 1,203 carbon fiber reinforced resin poles, which stand 55 meters (180 feet) high and are anchored to the ground in concrete bases that range between 10 and 20 meters (33-66 ft) in diameter. ~Looks pretty too.
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Read the whole article here: Windstalk concept is a wind farm without the turbines
Small home wind turbines Image via Wikipedia
You may have seen the many different small home wind turbines you are able to purchase in the shops, yet you may be undecided whether one of these small scale wind turbines is for you. Before purchasing a turbine, you should do some research regarding; can your environment make a turbine efficient enough, what alternative energy sources can you harness, and which technology is the best value for money.
Below we shall discuss each of the three points explained above in more detail, outlining the factors relating to each.
Wind turbines only generally work to their full potential in very few areas. To gain an efficient use of a turbine, you should do some in depth research and a site survey into how sustainable your environment is to support a wind turbine. For efficient placement of a wind turbine, you need to look into the average annual wind speed and direction. There are many references available to explain what speed the wind must be for different sized turbines. Wind direction is only a factor which relates to which position your place your turbine in, yet many modern small home turbines are very mobile and you can usually twist them to face the direction you prefer.
It will be well worth your time to browse the market looking for alternative renewable energy sources. This mainly depends on your budget, but solar panels are a very popular choice as either an addition, or a total replacement for a wind turbine. Solar panels generally offer you a greater pound per watt, and are also generally more efficient for home power production.
Deciding which technology is the best value for money, also ties in with the environment factor. You need to do research and decide which of the renewable energy sources is most in abundant in your region, for example if you live on a small island off the coast of northern Scotland, then you would more than likely choose a home wind turbine as you are exposed to strong winds, but if you live in the center of England (where wind speeds are usually quite low), you may opt for a solar panel.
So, as we can see here, many factors will decide on the right natural energy source for you. If you can afford to integrate renewable energy production methods into your home, it is strongly suggested, considering the current situation with global warming, that you make an attempt to install these more environmentally friendly appliances.
James Bratley
Peek at the Workshop from Guemes Island, WA.,
hosted by Ian Woofenden of Solar Energy International (SEI)
and taught by the guru of homemade small-scale wind turbines, Hugh Piggott.
Helping out were Brian Faley, Andy Gladish, BJ Daniels, Michael McGuinness,
Dan Bartmann and Dan Fink (the Dans of Otherpower.com). From blueEnergy,
Mathias Craig, Lâl Marandin, and Darin Bird in attendance.
Clean Energy by 2035? via Wikipedia
President Obama used his state of the union address to call for funding new research into biofuels and mandating that 80 percent of the nation’s electricity in 2035 come from clean sources, including nuclear and natural gas as well as wind and solar.
To fund new energy development, Obama called for eliminating subsidies that go to the oil industry.
The wind industry has been wary of a mandate that included nuclear, natural gas and clean-coal technologies such as the plan Obama called for, preferring instead one that would be limited to wind, solar and other renewable sources.
Energy lobbyist Frank Maisano said that eliminating oil subsidies could raise energy prices for consumers.
Get the source article here: Obama touts biofuels, clean energy mandate
Wisconsin is closing up shop for new wind-power business?
The Illinois Wind Energy Association has sent out a press release inviting wind developers in Wisconsin to relocate in Illinois.
Scott Walker’s proposal to create more restrictive rules for windmills in Wisconsin could eventually lead to a loss of business for the Port of Milwaukee and the Spanish company Ingeteam, which is building a Menomonee Valley plant to produce wind power generators and converters.
Walker has proposed new, more restrictive rules on windmills, which if approved by the legislature, would override a Public Service Commission rule set to take effect on March 1.
The group’s executive director, Kevin Borgia, has said recently “even the strictest county setbacks in Illinois are nowhwind powers extreme as what Wisconsin would have if this bill passes.”
Walker’s Democratic predecessor Jim Doyle had made wind power a priority, and the Democratic-controlled legislature had passed a 2009 bill creating a Wind committee to clarify state procedures in granting wind farm permits, and to limit powers of local governments to interfere with the proposals through zoning or other actions.
Get the article at: Wisconsin No Longer Open for Wind-Power business
