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Topic: Wind power

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  Wind power - Wikipedia, the free encyclopedia
Most modern wind power is generated in the form of electricity by converting the rotation of turbine blades into electrical current by means of an electrical generator.
Wind power is used in large scale wind farms for national electrical grids as well as in small individual turbines for providing electricity in isolated locations.
Wind power was the most rapidly-growing means of alternative electricity generation at the turn of the century and provides a valuable complement to large-scale base-load power stations.
en.wikipedia.org /wiki/Wind_power   (7814 words)

 Wind power - Biocrawler   (Site not responding. Last check: 2007-11-01)
Wind power is the kinetic energy of wind, or the extraction of this energy by wind turbines.
When comparing the size of wind turbine plants to fueled power plants, it is important to note that 1000 kW of wind-turbine potential power would be expected to produce as much energy in a year as approximately 350 kW of fuel-fired generation.
The large installations of a modern wind facility are typically 100 m high to the tip of the rotor blade, and, besides the continuous motion of the 35-m-long rotor blades through the air, each time the blade passes the tower a deep subsonic thump is produced, which is a form of noise pollution.
www.biocrawler.com /encyclopedia/Wind_power   (4469 words)

 Wind Power News
Although wind energy systems involve a significant initial investment, they can be competitive with conventional energy sources when you account for a lifetime of reduced or altogether avoided utility costs.
Wind resources can be used with both large wind turbines for utility applications and with small wind turbines for on-site generation.
In general, wind power class 3 or higher can be useful for generating wind power with large (utility-scale) turbines, and small turbines can be used at any wind speed.
www.montanagreenpower.com /wind/index.html   (1566 words)

 The Energy Planet :: Wind Power :: English
Wind power is one of the most simple and utilized natural power sources on earth.
Wind energy has been used for ages to move boats across oceans, to separate rice from its shaft, and more recently to supply energy for small towns.
Wind is very appealing for a modern source of power because it is a force that is always free and existing.
library.thinkquest.org /C004471/tep/en/traditional_energy/wind_power.html   (768 words)

 Green Building Encyclopedia - Solar and Wind Power
Wind is a by-product of solar heating of the planet's surface.
This power is harnessed by constructing a dam or diverting the flow in such a way that all the fall occurs in one place.
The power available is a function of the fall (head) and flow so building a large waterwheel on a low fall will only increase the cost and reduce the shaft speed but not increase the power.
www.whygreenbuildings.com /renewable_energy_solar_wind_power.php   (1248 words)

 Farming the Wind: Wind Power and Agriculture
The first heyday of wind power in America lasted from 1870 to 1930, when thousands of farmers used the wind to pump water and generate power.
Wind power is growing partly as a result of technology improvements and cost reductions and partly in response to state and federal laws and incentives.
One of the easiest and most attractive ways for farmers to benefit from wind power is to allow developers to install large wind turbines on their land.
www.ucsusa.org /clean_energy/renewable_energy_basics/farming-the-wind-wind-power-and-agriculture.html   (1644 words)

 EERE: Wind Energy   (Site not responding. Last check: 2007-11-01)
Wind energy uses the energy in the wind for practical purposes like generating electricity, charging batteries, pumping water, or grinding grain.
Wind turbine use ranges from homeowners with single turbines to large wind farms with hundreds of turbines providing electricity to the power grid.
Wind energy is considered a green power technology because it has only minor impacts on the environment.
www.eere.energy.gov /RE/wind.html   (301 words)

 Wind Power for Home & Business by Paul Gipe
"Wind works, whether it's for a nomadic herdsman on the Mongolian steppes, a Kansas wheat farmer, or an operator of a wind power plant in one of California's windy mountain passes." That's one of the conclusions reached by author Paul Gipe in a book on modern windmills.
Wind Power for Home and Business is a 414-page guide to wind turbines, both large and small intended for homeowners, farmers, and small businesses who want to use wind energy to meet their own needs.
In addition to Chelsea Green's Wind Energy Basics, Paul Gipe is the author of the landmark Wind Energy Comes of Age, which was selected by the American Library Association as one of the outstanding academic books of 1995.
www.wind-works.org /books/wind_power_home.html   (372 words)

 BBC - Weather Centre - Climate Change - Wind Power
The blades face into the wind, the wind forces them to go round, which then spins a shaft inside the turbine, which is connected to a generator which produces the electricity.
Wind power enables electricity to be produced in an environmentally friendly way – the turbines don't produce chemical or radioactive emissions.
Wind farms can be costly to maintain and electricity produced by this method is more expensive than that produced by other means.
www.bbc.co.uk /climate/adaptation/wind_power.shtml   (529 words)

 Energy Resources: Wind power
The Babylonians and Chinese were using wind power to pump water for irrigating crops 4,000 years ago, and sailing boats were around long before that.
Wind power was used in the Middle Ages, in Europe, to grind corn, which is where the term "windmill" comes from.
The best places for wind farms are in coastal areas, at the tops of rounded hills, open plains and gaps in mountains - places where the wind is strong and reliable.
www.darvill.clara.net /altenerg/wind.htm   (542 words)

 Wind Power in Power Systems   (Site not responding. Last check: 2007-11-01)
In addition to wind power, his main interests are related to the concept of distributed power generation and the impact of market regulations on the development of distributed generation in deregulated markets.
Her major contribution is the electromechanical modelling of active stall wind turbines and recently of a pitch-controlled variablespeed wind turbine with a doubly fed induction generator.
She has worked for the power company Imatran Voima Oy and transmission system operator Fingrid as a power system specialist and at VTT Technical Research Centre of Finland as research manager in the energy systems area.
www.windpowerinpowersystems.info /Contributors.html   (3271 words)

 Wind Power   (Site not responding. Last check: 2007-11-01)
Wind power does not pollute, it is domestically produced and it is renewable.
With additional investment in research and development, the cost of wind power could drop even more to as little as 2.5 cents a kilowatt-hour within the next few years.
Imagine clean power reducing the need for the Cape’s current oil and gas burning power plant, which caused a major oil spill in Buzzard’s Bay in 2003, dumping 100,000 gallons of oil into the bay.
www.greenpeace.org /usa/campaigns/global-warming-and-energy/copy-of-wind-power   (478 words)

 Texas Renewable Energy Resources
The prevailing wind environment throughout Texas is characterized by wind power class (defined in the legend below).
While the strongest winds are located along ridgetops in mountainous areas, the Great Plains from Texas to North Dakota contain the preponderance of the nation's wind power potential.
Wind is a highly variable resource, but with proper understanding it can be readily incorporated into an electric utility's generation mix.
www.infinitepower.org /reswind.htm   (822 words)

 Wind Power
When the wind turns the blades of a windmill, it spins a turbine inside a small generator to produce electricity, just like a big coal power plant.
Wind farms are built in flat, open areas where the wind blows at least 14 miles per hour.
One of the largest wind farms in the U.S. is in Altamont Pass, California.
www.powerhousekids.com /stellent2/groups/public/documents/pub/phk_ee_re_001502.hcsp   (465 words)

 Can Wind Power Meet Our Energy Needs?
Wind energy is a clean, renewable energy source that does not create greenhouse gasses or other harmful emissions.
Wind power projects bring economic development in the form of jobs, tax revenues, and land-lease payments, particularly to rural areas.
A wind farm is a cluster of wind turbines (up to several hundred) erected in areas where there is a nearly steady, prevalent wind.
speakout.com /activism/issue_briefs/1078b-1.html   (498 words)

 Home Power Magazine - Your Small Scale Renewable Energy (RE) Source   (Site not responding. Last check: 2007-11-01)
Wind power is one of the most difficult renewable resources to tap.
Wind generators are high-speed rotating machines that live in very harsh environments, subject to extreme forces.
Watching your energy being made as the wind spins your turbine is worth the trouble.
www.homepower.com /education/comp_wind.cfm   (259 words)

 Leonardo ENERGY - How far can you go with wind power?   (Site not responding. Last check: 2007-11-01)
Because the grid operator can never know in advance the exact amount of total power consumption in its control area, an amount of ‘regulatingpower’ is needed: this consists of power plants that can control their output power or that can be put into service within a very short timeframe, to immediately respond to load fluctuations.
Whenthe wind speed is high and all wind turbines are operating at full power, the risk that the wind speed suddenly drops must always be taken into account.
The answer is no. The correlation between wind speeds in Belgium is very high, or, when the wind speed changes in the coastal region, the probability is high that de wind speed changes to the same extent at the same hour in Brussels or elsewhere.
www.leonardo-energy.org /phpnuke/modules.php?name=News&file=article&sid=74   (790 words)

 Wind Power
Wind power can be an excellent complement to a solar power system.
Wind power is especially helpful here in the winter to capture both the ferocious and gentle mountain winds during the times of least sunlight and highest power use.
Somehow the project became the 'Wind Farm' and there are now turbines flying in the area sporting a whale, a rooster, and a pig for tail vanes.
www.otherpower.com /otherpower_wind.html   (2394 words)

 The Wonderful World of Renewable Energy   (Site not responding. Last check: 2007-11-01)
Historically, renewable energy was used exclusively as man's energy source until coal was first used in the 13th century, oil in the end of the 19th century and uranium in the middle of the 20th century.
Wind turbines suitable for residential or village scale wind power range from 500 watts to 50 kilowatts.
Utility interconnected winturbines generate power which is syncronous with the grid and are used to reduce utility bills by displacing the utility power used in the household and by selling the excess power back to the electric company.
www.wind-power.com   (1466 words)

 Wind Power Home
Wind power is the fastest growing source of electricity world-wide.
A clean, abundant and inexaustible energy source, wind power could provide enough electricity to meet the needs of more than 10 million homes in the US and to displace 100 million metric tons of CO2 by 2010.
Wind power can enhance your community's independence and contribute to local economic development while reducing dependence on fossil fuels.
www.greenpowergovs.org /wind   (210 words)

 Awesome Library - Science
The 130 wind turbines are expected to have a total maximum output of 420 megawatts, creating enough electricity to power three-quarters of the Cape and Islands when working at average capacity, the company says." 11-05
Shows that wind, petrol, and natural gas are the quickest growing forms of energy used in the United States.
Describes a school district where virtually all of the energy supply will be from wind power, saving an estimated $120,000 per year in energy costs by 2007.
www.awesomelibrary.org /Classroom/Science/Ecology/Wind_Power.html   (1175 words)

 NAVITAS - Homepage
Navitas Energy, Inc. is a leading commercial wind power developer, dedicated to providing customers with low cost, high quality, reliable wind power generation.
We sell wind energy to electric utilities, co-ops and municipals who want to give their customers the "power to choose...
Promotes and operates wind farms, and provides advanced services to the renewable energy sector.
www.windpower.com   (156 words)

 Wind Power Program: programs & services: utilities: departments: City of Fort Collins
Residents and businesses in Fort Collins can capture the power of the wind for electricity through the Fort Collins Utilities Wind Power Program.
Clean, renewable wind energy—the fastest growing energy source in the world—is available for an additional 1 cent per kilowatt-hour (kWh).* This option is for customers who are willing to pay a little more for their electricity to guarantee that it comes from the cleanest sources available.
In addition to the voluntary Wind Power Program, all electric customers are paying 1 percent more in their electric rates to fund the renewable energy objectives of the Electric Energy Supply Policy, which was adopted by City Council in 2003.
fcgov.com /utilities/wind-power.php   (201 words)

 WindPower Sports Kite Store: Kites - Buggies - Landsailers
The Rage is a high performance power kite suitable for all levels of kite flyer.
Sled kites are ram-air kites that are known for their superior lifting capabilities and are used by many to lift line laundry, spinners, windsocks and more in to sky.
Attach one of our windsocks, spinners, twisters, or wind wheels to the end of a kite, windsock pole or any where the wind blows to decorate the sky and to help indicate wind direction and wind speed.
www.windpowersports.com   (369 words)

 Wind and Hydropower Technologies Program: Wind Powering America
Wind Powering America is a commitment to dramatically increase the use of wind energy in the United States.
Through Wind Powering America, the United States will achieve targeted regional economic development, enhance our power generation options, protect the local environment, and increase our energy and national security.
While visiting the Wind Powering America Web site you can find state wind maps, small wind consumer's guides, wind workshops that are going on in your area, and much more.
www.eere.energy.gov /windandhydro/windpoweringamerica   (236 words)

 DANISH WIND INDUSTRY ASSOCIATION - windpower.org   (Site not responding. Last check: 2007-11-01)
All major opinion polls show that Danes are in favour of wind power.
That is why we have launched the campaign “Wild about Wind” asking you to take a more active stance on wind power.
Wind with Miller is loved by kids of all ages.
www.windpower.org /en/core.htm   (139 words)

 TVA: Wind Turbine Energy   (Site not responding. Last check: 2007-11-01)
Properly placed wind turbines can generate electric power anywhere the wind blows steady and strong.
Wind turbines use the momentum of moving air to quietly turn large blades that are attached to the shaft of an efficient electric generator.
Wind energy is now a major contributor to Green Power Switch.
www.tva.gov /greenpowerswitch/wind.htm   (99 words)

 Wind Power Maps
Although the new wind maps do not eliminate the need for on-site wind resource measurement, they can help utilities and developers gain a better understanding of where the best wind resource areas are and screen out less promising areas, significantly minimizing the cost and timing of prospecting.
They are also intended to aid landowners in making a first-cut feasibility analysis for installing distributed wind turbines to supply power for homes, farms and ranches.
NWSEED hopes that these new maps ultimately drive down the costs of wind power and ensure that public interests are protected as the Northwest's wind resources are developed.
www.windpowermaps.org /default.asp   (205 words)

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