latest tech in wind turbines

8/7/2019 latest tech in Wind Turbines

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Wind Turbines

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Wind turbines are used to generate electricity from the kinetic power of the wind. Historical

they were more frequently used as a mechanical device to turn machinery. There are two

main kinds of wind generators, those with a vertical axis, and those with a horizontal axis.

Wind turbines can be used to generate large amounts of electricity in wind farms both

onshore and offshore. The articles on this page are about wind turbines.

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2/15

17AUG

Wind Energy Instruments getting Bigger & Better

Renewable energy production and demand growth is gaining

momentum in many ways across the world. There is a

booming demand of wind power today and all wind energy

equipment manufacturers are gearing up to meet the demand

and take advantage of it. Wind power capacity growth will be

reaching 447GW in the next five years and by year 2014 end,

Asia will lead the world in installed wind capacity. Enercon is amongst the other

manufacturers who are focusing on 3MV-class wind turbines based on E-82/2.0. Without

increasing the component sizes, there are new designs to operate at 3MW power. There will

be a 3-6% increased yield because of these innovative designs as claimed by the Enercon. 2

Comments

16JUN

Airborne Wind Turbines?


3/15

Yes, the day is not far off when reaching for sky is the new

motto for generating cost-effective renewable energy. Initially

it was considered to be technically non-viable to tap high-

altitude winds. But today, technically-advanced materials and innovative computer know-

how are giving new life to this scheme with innovative autonomous aerial structures using

wind energy to generate power. 6Comments

27MAY

Scientists Study Fish Schools for Wind Farm Ideas

Presently Fluid Dynamics Expert, John Dabiri, is very much

on the quest of improving designs ofwind turbines. Spotting

behaviours that may throw light on energy-related practices in

biological system and trying to implement that in real-lifesituations is part of that quest and Mr.Dabiri is jubilant that he

is learning lessons from a school of fish! Water-energy, andwind energy are both studied. 2

Comments

18MAY

Bladeless Wind Turbine Inspired by Nikola Tesla

A research company in New Hampshire recently patented its

bladeless wind turbine, which is based on a patent issued to

Nikola Tesla in 1913. This wind turbine is christened as the

Fuller Wind Turbine. This turbine is developed by Solar

Aero. The specialty of Fuller Wind Turbine is it has only one

rotating part, known as the turbine-driveshaft. The entire

machinery is assembled inside a housing. Wind turbines are often disliked by

environmentalists because they kill birds and bats and often generate noise for the residents

living nearby. 17Comments

28APR

FloDesign Aims to Expand Wind Turbine Business

Backed with a $3 million assistance from theMassachusetts

Clean Energy Center (MassCEC)Wilbraham-

based FloDesign Wind Turbine Corp. will expand its

operations in the state. The company is recognized as the


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developer of a U.S. Department of Energy-recognized "transformative" wind energy

technology. It will maintain its aerodynamic research center in Wilbraham along with

establishing a new corporate headquarters and product development center in the historic

Waltham Watch Factory. The company also intends to assemble its first wind turbines in

Massachusetts. If everything goes according to the plan, the company will establish a new

benchmark for otherwind energy technology companies to look up to and aspire to. 19

Comments

01MAR

Norwegian Company Develops Worlds Largest Wind Turbine

As fossil fuels continue to diminish and climate change poses

an ever-increasing threat, scientists around the world are

searching for new and more efficient methods of generatingenergy. Wind energy is one of the more promising

alternative energy sources and Norwegian scientists are

currently in the development stages of what promises to be

the worlds largest wind turbine. As if creating the biggest wind turbine in the world was not

enough, it also floats. Current plans for the worlds largest wind turbine have the machine

standing 533 feet tall. 4 Comments

16FEB

A Rose Wind Turbine by Any Other Name

The one knock on wind energy is that it is not portable. Until

recently, there were few if any portable devices that were

available to literally take wind power on the go. That is

changing quick as there are several back-pack style devices

that are on the market. TheRose Wind Turbine is the latest

invention to be introduced to this ever growing energy niche.

The Rose Wind Turbine is a small portable device that is

small enough to fit into the trunk of the car and barely be noticed. However, once this

portable wind turbine comes out, it is sure to turn heads. 16Comments

08FEB

Jet Engines the Inspiration for New Wind Power Technology


5/15

Wind power has recently received a nice boost as one of the

hottest forms of energy on the market. When comparing the

recent market growth against all forms of energy, both

renawables and non-renewables, wind turbines seem to be

jumping to the head of the pack. While it still has a way to go

before it catches up to solar, it is gaining ground rather

quickly. Something that will help pick up the pace even further is new technology that is

coming from FloDesign. Their truly unique wind turbine is actually based on the design of a

jet engine instead of the traditional windmills that we see all across the country. Their

concept seems to be a simple one, but it extremely effective. 23 Comments

01FEB

Is It Possible To Convert To 100% Wind Power?

With all the talk of going green, the question had been thrown

out many times if there will ever be a time that we can use

nothing but renewable energy to power our world. A small

island in Denmark is trying answer that question with a

resounding yes as they power up every single day via nothing

but wind power. The Danish island is the ideal setting as the

wind literally never stops blowing. The North Sea offers the

perfect opportunity to capitalize on the winds that come off of the sea and for them touse wind power as their primary source of power. As a matter of fact, the wind power that

they are using is their ONLY source of power. 20 Comments

26JAN

Wind Turbine Power Goes Portable with Foldable Wind

Generator

Renewable energy is one of the hottest things on the market

right now but until recently, solar power has been getting

most of the attention. While there are plenty of techno

gadgets, like solar briefcases and solar laptop chargers, that

can have solar power on the run, very few if any items exist

for other sources of renewable energy to become portable. The foldable wind generator has

all the right ideas, but may still be just a bit ahead of its time. 14 Comments


6/15

21DEC

The Kite Wind Generator

It's an expert estimation that the total energy stored in wind is

100 times higher than actually needed by humans on this

earth. The catch is that we have to learn and devise ways to

trap this wind power blowing across the planet earth. Experts

tell us one more thing that most of the wind energy is

available at high altitude and we cant manufacture turbines

of that height. So we have to think of new ways to trap that wind power blowing at a

significant height. Some experts estimate that the total energy contained in wind is 100 times

the amount needed by everyone on the planet. However, most of this energy is at high

altitudes, far beyond the reach of any wind turbine. 9 Comments

18SEP

GE to Manufacture Offshore Wind Turbines

GE, the US industrial group, is promoting and showing

confidence in offshore wind technology by buyingScanWind,

which makes direct-drive turbine components. This move will

help in generating thousands of new jobs in the field of

designing and manufacturing turbines. This move will affirm

the confidence of investors in the fledgling offshore wind

industry, which has been weighed down by concerns about costs and reliability. GE is

moving ahead with establishing turbine manufacturing facilities to serve the European

markets at first. They have to make up their mind about the size of the investment and

location. 15Comments

24JUL

What factors affect the output of wind turbines?

Wind energy is undoubtedly one of the cleanest forms of producing powerfrom a renewable source. There is no pollution, there is no burning of fossil

fuels, and unless something very drastic happens, you dont run out of wind.

But its not like you can erect a wind turbine anywhere and it will start generating power for

you. There are lots of factors that can make an impact on the amount of energy you can

generate out of wind. 15Comments


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15JUN

Small, Low Speed Wind Turbine

Most of us want to reduce our carbon footprints but currently most of the

alternative energy products are simply unavailable for urban population that

lives in metros. But gradually the scenario of alternative energy is changing

and manufacturers have started thinking from common persons point of

view. Recently EarthTronics, which is based in Muskegon, Michigan, has developed a wind

turbine that can be used by individual homes. EarthTronics also claims that it can operate at

speeds as low as 2 miles an hour. Consequently, homeowners this fall will be able to buy a

wind turbine at hardware stores that tackles the small wind industry's bete noire: slow wind.

This turbine is named as Honeywell Wind Turbine and it will be distributed through Ace

Hardware stores in the U.S. It will be sold for $4,500. WindTronics developed the turbine

and licensed the technology to buildings systems giant Honeywell. 18 Comments

26MAY

Using Existing Infrastructure for Wind Turbines

The Metropolis Magazine has been holdingNext Generation Design

Competition since 2003. They want to provide a platform for young

designers to promote the spirit of activism, social involvement, and

entrepreneurship. They offer prize money of $ 10,000. But the real attraction is the publicity

given to the projects of winners and runners-up. This recognition helps abstract ideas take

concrete forms. For 2009, the theme for the Next Generation Design Competition was: How

do we fix our energy addiction? They offered some guidelines, "Think about how we live and

work, what we use, how we get where we need to go, hidden costs to our pocket books and

the environment, across the whole design spectrum. Focus on one area that needs fixing

products, interiors, buildings and landscape, communication systems, or anything else you

can imagineand develop your idea fully. And above all, think of our energy addiction as a

design problem at all scales." 24 Comments

19MAY

WindCube Generates Electricity in Moderate Wind

Wind power is the fastest growing industry in the alternative energy sector.

Wind turbines generate clean and green power for us but they have certain

precondition. One of it is the power unit has to be set up in strong wind area.


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But Green Energy Technologies has developed a brand new wind power generator known as

the WindCube. It is smaller compared to the normal wind generator. WindCube is specially

designed to set up on the roof of a building in urban and rural areas. WindCube carries a 22 x

22 x 12 feet framework and its single unit can produce a maximum of 60kW of power. Mark

L. Cironi, who is the president and founder ofGreen Energy Technologies, explains,

"Building owners anywhere can consider being a part of the renewable energy picture. With

WindCube, its not necessary to have the wind of Kansas or Nebraska to become a generator

of wind power. In states with excellent renewable energy incentives, moderate wind and high

electric rates, the payback can be as little as three years." 42 Comments

15MAY

Minneapolis International Airport Installs Wind Generators

These days many companies are exhibiting awareness about clean and greenenergy and trying to use that technology for reducing costs too.

Recently Minneapolis-St. Paul International Airport has set up ten wind-

powered electricity generators. They are using the energy to power an electric utility vehicle.

We are acquainted with the fact that airports are windy places. So a knowledgeable

management can utilize this air power and boost its environmental credentials too. They have

installed ten 1 kW Aerovironment wind turbines on top of the airport fire station to harness

the power of prevailing northwest winds. The turbines are expected to generate 10 kilowatts

of electricity an hour. They are powering their fully-electric Cushman Motors e-Ride exv2utility vehicle with the energy generated by these turbines. Their utility vehicle has a range of

45-55 miles and costs around $200 a year to run. 3 Comments

07MAY

Wind Energizer Donut for More Efficient Turbines

We all know about the impending future of the fossil fuels. Ultimately we

will be forced to look for alternative energy fuels. Those countries who have

resources and infrastructure are taking up these challenges very intelligently.

Scientists and researchers know that existing alternative sources of energy

cant take up the challenges created by total exhaustion of fossil fuel. So they are

continuously trying to better the existing technologies of the sources of alternative fuels. This

time Leviathan Energypresents a technology for new and existing wind farms to produce


9/15

more energy from a relatively small investment, a solution every manufacturer worth his/her

salt wants i.e. more by investing less! 3 Comments

29APR

New Revolution in Wind Power

As soaring oil prices and greenhouse gas emissions fuel the search for

cheaper and cleaner sources of energy, a Japanese aerospace manufacturer

may have found the right stuff for a solution. Its a windmill you can call

your very own. Yokohama-based aerospace manufacturer,Nippi

Corporation, has developed a revolutionary 20 kW wind turbine power generation system

thats turning heads everywhere. 19 Comments

30MAR

New Wind Turbines for 11 Minnesota Cities

This summer, Anoka, Buffalo, North St. Paul and 8 other Minnesota cities are

gearing up for the production ofwind energy. They will use recycled

turbines for this purpose. In Buffalo, the work will start from June. After the

completion of this project Buffalo will have the honor of the first city with one of the 115-

foot-tall turbines among the 11-member cities of the Minnesota Municipal Power Agency

(MMPA). They are getting the windmills from Palm Springs, California wind farm .

Payment will be done by the joint-powers agency which has agreed to pay about $3.6 million

for a dozen refurbished windmills. The Hometown WindPower program is aspiring to meet a

state law that calls for most electrical utilities to provide 25 percent of their total electricity

sales from renewable sources by 2025. These non conventional sources can be wind or water

power. Officials confirmed that Shakopee, North St. Paul and Buffalo have picked sites for

the 160-kilowatt windmills. Buffalo utilities director Joe Steffel wants to start work on this

project by June 1.9 Comments


10/15

Elastic Edges for Wind Turbine Blades

The life of wind turbine blades can be significantly enhanced by modifying

their shape. There is a lot of load on the large wind turbineswhen the blades

rotate and by providing a movable trailing edge to these blades the load can

be tremendously reduced. It is similar to the flaps used in the aeronautical

industry. The flaps in aircrafts regulate the lift during take-offs and landings. Ris National

Laboratory for Sustainable Energy is using an elastic material to make trailing edges of

wind turbine blades. 1 Comment

19NOV

Breakthrough In Small Wind Technology

The main work of wind turbines is to utilize the energy of wind and convert

it into electricity; stronger wind is considered good for electricity production.

But the speed of wind should not be too strong because it makes turbines spin

too fast and in this process it commits suicide! Why is it so? Because turbine

blades get ripped off by stronger winds excessive heat damages the alternator. Turbine

tower too can't remain unaffected by the strong wind. To prevent all this damage a

mechanical breaking system furling is generally used. This method prevents wind turbine

from spinning too quickly by turning the blades away from the direction of the wind. Furling

can be manual or automatic with same goal i.e. turning the turbine blade edges into the wind

when the wind is dangerously strong and stormy. 18 Comments

28OCT

First Degree Program in Wind Energy

Officials from Highland Community College

(HCC) and EcoEnergyofficially broke ground in early October for a facility

to house the HCC Wind Turbine Technology Program, the first associates

degree program of its kind offered in the state of Illinois. 7Comments

15OCT

Plan for Biggest Wind Turbines in the UK


11/15

Wind energy has a formidable place in the field of alternative energy but

critics always worry about the preservation of bio-diversity and farm birds. It

is always a priority for the wind energy producers to keep in mind the

comforts of the human and bird population. When plans were announced that UK will built

the tallest wind turbines in the country theNpower Renewables tried to tackle the issue of

biodiversity to alley the fears of environmentalists. Though they propose a plan of placing 65

turbines on nearly 5,000 acres (2,000ha) of hillside near Llanbrynmair in Powys they are

tackling the issue of ecosystem too. Each turbine would be 137m (449ft) high. 1 Comment

08OCT

Wind Energy From Ocean Surface

When we talk about wind energy, we dont specifically mention ocean winds.

But global satellite maps from NASA promise a new hope. Nearly a decadeof data from NASAs QuikSCAT satellite gives us hope that we can harness

oceans wind for energy generation. These maps can help in locating and planning the

offshore wind farms for producing electric energy. 8 Comments

17SEP

Wind Turbine Noise Solutions

Wind energy is clean energy but not without its usual baggage. Their noise

disturbs those who reside in the close proximity with a wind farm. Many a

time wind turbines are forced to operate under partial load so that residents

and wind farms can exist in peaceful co-existence. But operating under partial load means

lower energy production. Even high winds go unutilized in residential areas. The sources of

the noises are many. First is the motion of the rotor blades and another is the cogwheels.

Cogwheels generate noise in the gearboxes. These are transported to the tower of the wind

turbine, where they are emitted across a wide area -- and what the residents hear is a

humming noise. This noise comes out as if mosquitoes are buzzing constantly. 19 Comments

15SEP

Protecting Wind Generators During Voltage Dips

Wind turbines experience problem due to sudden drop in voltage in a portion

of the electric grid. Industrial engineer and member of INGEPER Research

Team at the Public University ofNavarre, Jess Lpez Taberna is trying to


12/15

tackle this problem. His team has come out with a rotor model which predicts how the wind

power units will behave under these circumstances. Mr Lpez has already patented two

techniques and one of which is already with a manufacturer who will utilize it internationally.

They have designed generator turbines in such a way that when voltage dips occur,

generators continue to function uninterrupted. 3 Comments

07AUG

Mariah Power Low Cost Wind Energy

Wind energy is 'sustainable energy', just like solar energy and water power.

We already know the benefits of wind energy and why we should opt for it.

But currently manufacturers are concentrating on the drawbacks of the wind

energy and trying to eliminate or minimize those shortcomings. For example

turbines are noisy and this sound nuisance can be a problem for the residentsof the areas. Wind turbines are unsafe for birds too. Birds can be injured or die if they are

caught up in the wings of the turbines. Turbines might annoy you due to horizon pollution i.e.

they might meddle with your aesthetic sense. 21 Comments

09JUL

Aeroturbine Next Generation Wind Energy

Right now wind energy is only being harnessed in the windy regions of the

earth. Installation ofwind energy

on individual basis is unpopular because of

production and cost inefficiency. Noise pollution and birds getting killed are also not quite

attractive side-effects of the windmills. We cant even imagine of installing windmills on

high rise buildings due to their size and cost. 20 Comments

02JUN

Floating Offshore Wind Turbines

Norwegian companyStatoilHydro is working on a 2.3 megawatt floating

wind turbine that will be attached to the top of 'Spar-buoy' and moored to the

seabed by three anchor points. It is hoped that the 80 meter diameter, 65

meter high Siemens turbine will have lower deep-water installation costs when compared to

traditional wind installations. The company plans to have the first prototype ready by fall of

2009, when they will begin feasibility tests to assess how it stands up to high winds. A 3

meter high scale model has already been tested in a wave tank simulator. 3 Comments


13/15

29MAY

Wind Turbine Concept Inspired by Jet Engines

According to a recent article fromGreentech Media, a

Massachusetts aerospace company called FloDesign isworking on a wind turbine concept that could potentially be

at least twice as efficient as traditional rotor blade turbines,

which force air around them instead of through them. It works

by channeling wind into a vortex that spins the blades and

generates electricity. The company hopes to have a working prototype completed by the end

of 2009. Unfortunately their website at flodesignwindturbine.org is not currently functional,

but the following video gives a great overview and technical details. 21 Comments

03MAY

Bahrain WTC Wind Turbines Completed

The Bahrain World Trade Center (BWTC) has completed the construction of

the three wind turbines that will generate electricity between it's twin towers.

The BWTC design blends maritime aesthetics with the functionality of

traditional wind-towers. The buildings are the tallest in Manama and the turbines officially

make it the world's first wind-powered mega structure. The three wind turbines are

horizontally supported between the towers by three bridges weighing a substantial 65-tonnes

each, and will provide 11-15% of the electricity needs of both towers. 1 Comment

08AUG

First Wind Turbine at Ski Resort

The First Wind Turbine at a Mountain Ski Resort Begins Producing Power -

Jiminy Peak Mountain Resort in Hancock, MA begins generating its own

power today. Friday August 3, 2007, the blades of a GE 1.5 MW wind

turbine caught the Berkshire breeze and began generating electricity to directly satisfy Jiminy

Peak Mountain Resort's electrical demands. As the first kilowatts seamlessly flowed through

the resort's facilities, the resort became the first business of its kind in North America to

produce its own electricity from a wind turbine. Sitting high atop the mountain resort, the

wind turbine is a dramatic testament to the viability of renewable wind energy as an on-site

power resource. 1 Comment


14/15

26APR

Vertical Axis Windmill Invention

Toronto Inventor Tom J. Gilmour recently published his conceptual designs

for what he is calling Tom's Whirligig.P

atent applications have been made,and Tom hopes to reserve all rights and worldwide patents for his design.

Tom believes his windmill plans to be the most complex ever devised. While he is not yet

sure of the workability of this concept, he is optimistic about its feasibility and hopes to soon

find the time to build a working model. His website provides detailed descriptions,

illustrations,Google Sketchup files and a blog for visitor comments. 29 Comments

15MAR

Manitowoc Wind Power Crane

Manitowoc Crane Group will launch a new technology designed for the

assembly and maintenance of wind turbines. The Grove GTK1100 will be

unlike any crane available to the market today. MCG produces Manitowoc

crawler cranes and Grove mobile cranes used for erectingwind turbines. The new GTK1100

is a result of extensive customer research within the Manitowoc and Grove global customer

base. 3 Comments

12OCT

Olympic Wind Turbine for London 2012

The company constructing the Olympic Games site plans to build a wind

turbine which would provide enough energy to power about 1,200 homes for

a year, it was announced today. The Olympic Delivery Authority (ODA) said

the 120-metre tall turbine, which will have a lifespan of about 20 years, will be used to power

local amenities including street lighting and housing in the Olympic Park area after London

2012. The turbine, which will cost about 2 million to build and install and has 40-metre-long

blades, will be located at Eton Manor in the north of the Olympic Park site in east

London. No Comments

05OCT

Wind Turbines and Radar Systems


15/15

The U.S. Department of Defence has released a report about the impact of

wind farms on military radar installations. The report undermines

previous U.S. Air Force report which stated that the impacts were minimal,

and the new report calls more a more in-depth look at the risks. The report covers all aspects

of risk, including the impact on military radar, commercial air radar and fishing and ocean

navigation systems. The department would like to see radar 'red zones' implemented in order

to appease national security concerns and maintain the credibility of current systems. 5

Comments

02OCT

Retail Wind Turbines from B&Q Superstore

In August the electrical retailer Currys began selling photovoltaic solar panels

at selected stores. Now DIY superstore B&Q plans to sell budget-priced windturbines and solar panels in 300 towns and cities throughout the UK. The

wind turbines will cost 1,498 and the solar thermal panels by R M Solar cost

from the same - with a survey and installation included in the price. 3 Comments

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