large wind turbine Articles
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Danish and Dutch wind energy policy 1970–2000: lessons for the future
Both in the Netherlands and in Denmark, policies to develop a wind turbine industry and to install a large wind turbine capacity were started in the 1970s. However, the outcomes of these policies were very different. A flourishing wind turbine industry developed in Denmark, whereas in the Netherlands, a few companies started building wind turbines in the 1980s and 1990s, but presently no wind ...
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Prospect of offshore wind energy development in Japan
In Japan, the cumulative capacity of wind turbine generation systems on land has increased steadily in recent years. To install a large number of wind turbines has inherent problems such as shortage of suitable land, and inadequate infrastructure such as power cables and roads. The necessity for development of offshore wind turbine generation systems has been recognised based on the above ...
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What is Renewable Energy Meter?
Renewable Energy Meter , which refers toanc energelectrimeter that mmeasures the amount ofrenbeingegeneratedwer generation. Different types of renewable energy power generation require very different measurement the products, so renewable energy meter is customized according to different application needs. Renewable energy includes solar energy, water energy, wind energy, biomass energy, wave ...
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Wind farms benefting the region
Wind farms as close as Benton and White counties—and others around the world—are boosting Tippecanoe County’s economy by at least $20 million a year, reports Jody Hamilton, director of economic development for Greater Lafayette Commerce. “From land title searches to construction labor and turbine components, businesses in Greater Lafayette are enjoying new revenues, and that figure doesn’t ...
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Wind turbines and health
The American Lung Association's agenda for the new administration, Protect the Air We Breathe: An Agenda for Clean Air, states: "Climate, energy and clean air are inexorably linked. Solutions that lead to cleaner air must be included in any approach to cleaner, more efficient energy use and reductions in global warming." 1 Wind energy is one such solution - a clean energy source that can ...
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The future of Solar Power
When you think of renewable energies, what do you think of? Hydro power? Wind energy? In fact, they have proven to be the most popular in recent years. Hydro power in its current form is the cheapest of the renewable energies. Wind power is the fastest growing. However, there is a renewable energy that is far more versatile and has the potential to achieve a higher ROI than the ones mentioned ...
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Adoption hurdles and challenges with small wind turbines
Adoption Hurdles and Challenges with Small Wind Turbines Wind energy is very promising. It can be harvested without any costs, and like solar panels, wind turbines are environmentally-friendly. However, such machines are not living up to their potential. Some users have reported low efficiency rates, unpredictable performance and costly adoption barriers. This article dives into the challenges ...
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What is a renewable energy meter?
Renewable energy meter refers to the power meter that measures the situation of renewable energy generation. Different types of renewable energy generation require different measurement products, so renewable energy meters need to be customized according to the specific application requirements. Renewable energy includes solar energy, hydro power, wind power, biomass energy, wave energy, tidal ...
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The VGOT Darrieus wind turbine
We present the actual state of development of a non-conventional new vertical-axis wind turbine. The concepts introduced here involve the constructive aspects of variable-geometry oval-trajectory (VGOT) Darrieus wind turbines. The key feature of a VGOT machine is that each blade slides over rails mounted on a wagon instead of rotating around a central vertical axis. Each wagon contains its own ...
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Finite element structural study of the VGOT wind turbine
We analyse the implementation of the finite element method to simulate the structural behaviour of the blade-wagons of variable-geometry oval-trajectory (VGOT) Darrieus wind turbines. The key feature of a VGOT machine is that each blade, instead of rotating around a central vertical axis, slides over rails mounted on a wagon formed by a tubular reticulated structure supported by standard train ...
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Assessing the benefits of a provision of system services by distributed generation
Distributed Generation (DG) units are said to have the potential to become an integral part of the future power systems. Today, DG units are characterised by high specific investment costs, but nevertheless are politically promoted because of their high degree of energy efficiency and their capability of reducing the current dependency on fossil fuels. However, at longer term DG units have to ...
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The future of wind turbines could be bladeless
With their considerable height and large blades turning almost hypnotically, wind turbines have become an iconic symbol of the planet's shift to renewable sources of energy. In Spain, however, one business is looking to design wind generators that produce renewable energy without blades. "Our goal is to develop a new wind generator that minimize(s) the amount of mechanical elements to reduce ...
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10 Facts you didn’t know about Wind Energy
The oldest rotary windmills are considered to have been used regularly in agriculture and other purposes since 2000 B.C. by peoples of what would today be China and the Middle East who already sensed what the German physicist Albert Betz, the father of physics governing modern wind turbines, called The Theory of Wind Energy, presented and published in his book “Wind-Energie” at the ...
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How Much Protection Do Heritage Sites Have From Wind Turbines
A heritage site is a location that is important to the cultural or historical heritage of a town, city or country. Wind turbines are large devices used to generate renewable energy. Both equally important, but when pitted against each other lawyers have decided that heritage sites are more important than renewable energy. The matter was brought to light in January, when a wind farm company ...
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Diagnosing wear faults - High-throughput screening of wind-turbine gearbox samples using the LaserNet 230 and automatic sample processor (ASP).
The major issue for premature failure in wind-turbine gearboxes is bearing failure, which leads to gearbox failure. A wind-turbine gearbox will not survive if the oil is not clean and especially if the hard ferrous particles are not removed from around the bearings. The LaserNet 230 particle counter and ferrous debris monitor has been shown to be an excellent analytical tool for end users to ...
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Winter is Coming – Be Ready with Backup Power Supply Alternatives
With winter coming, resilience reaches top of mind. Snowstorms, blizzards, freezing cold fronts, gusting winds – the trends show that each year winter brings increasingly frequent and severe weather conditions. To be best prepared for winter weather-related emergencies and disasters that threaten to disrupt routine operations, forward-thinking businesses invest in emergency preparedness. ...
By GenCell Ltd
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A Few Things You Should Know about Carbon fibers
Carbon fiber is a new type of fiber material with high strength and with a carbon content of more than 95%. It is a microcrystalline graphite material obtained by piling up organic fibers such as flake graphite microcrystals along the fiber axial direction, and then undergoing carbonization and graphitization treatments. Carbon fiber is a new material with excellent mechanical properties. Its ...
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What rural Alaska can teach the world about renewable energy
I flew into Unalakleet, Alaska, on a late fall day. With about 700 people, Unalakleet is large by rural Alaska standards and serves as a regional hub. The village is located on a sandy spit of land where a clear river meets the turbid water of the Bering Sea. Out the plane window the sun shone bright, glittering off the wind-tossed whitecaps of the sea. To the east, the rolling Nulato Hills, clad ...
By Ensia
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Rising offshore plant capacities lead to greater data-based O&M gains
The growing size of offshore wind farms provides greater scope for data optimisation during Operations and Maintenance, while software solutions can also help mitigate risk during the development phase, Marcus Ihle, Senior Consultant at Outsmart, said. Further gains could be made if operators share more data from their growing databases with other plant owners, Ihle said. The Levelized Cost of ...
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