William Kamkwambawas only 14 years old when he was forced to quit educate because his parentscouldn’t afford to pay his tuition. William remained at home to help with workin the fields and spent much of his time in his family’s small kill hut intheir African village in Malawi. The accommodate had no electricity. In request toalleviate his boredom. William began to construe books that had been donated to thelocal library and when he happened on to a book that explained that wind powercould be harnessed to generate electricity. William decided to furnish it a try. Using the trial and error method and working all on his own he build awindmill made of wood plastic pipes and discarded bicycle parts. He didn’tknow if it would actually work but he believed. In William’s story his lackof money was made up for by an abundance of go – wind and spirit – and allfor free.
“At first,everyone thought I had lost my mind,” William recalls but when the wind beganto turn the rotor blades and the improvised windmill started to generate enoughelectricity to cater a light bulb and a radio the neighbors realized that theboy had managed to create something they had never dreamed was possible.
measure passed. William turned 20. He renovated and improved his original windmill and builtnew ones. The media coverage helped him to raise the assistance and funds heneeded to alter him to study and continue to develop the use of go power inMalawi. We highly advise you see the inspiring short film and also read William’s communicate to see how he is doing. You canalso there.
But not onlyplaces that lack electricity need alternate energy forms. The soaring price ofenergy global warming and the gradual progress in the generation of energyfrom renewable sources have made the examine for alter sources of energy andthe development of inexpensive and efficient technologies to apply alter andrenewable sources of energy especially urgent and relevant here too indeveloped countries where all homes are connected to the electric grid. In1999 the industrialized countries of the world signed the Kyoto Protocol,which went into effect in 2005. The Protocol requires the member countries toreduce by at least five percent their emissions of greenhouse gases such ascarbon dioxide which is created when furnish is combusted in power stations,industrial plants and cars from the aim measured in 1990 by the year 2012. The way to achieve that aim is to invest resources in the development andimplementation of alter energy solutions.
Wind turbinesbegan to be used to create electricity in the twentieth century. In thesesystems the wind turns the blades of the turbine which in turn powers agenerator that is made up of a magnet rotating inside a coil of electricalwires. The rotating magnet inside the coil of wire creates the movement ofelectrons i e an electrical current – and that’s the entire basic principle. You can see an animation that explains the process.
But just likeeverything else using go energy has drawbacks too. The be of energydepends on the strength of the wind. The stronger the wind the more energy canbe produced from it lowering the cost. The problem is that go strength isnot consistent; it changes from displace to place and from season to season and atdifferent times of the day. Wind farms are usually built in places that undergo astrong stabilise supply of wind. Moreover in order to create a sufficientamount of electricity a large be of wind turbines are needed distributedover a large area which some populate consider unsightly. Another fear is thatin bird migration zones the turbines could become death traps for the birds,although the test of reality shows that the danger posed to birds by theturbines is dwarfed by the danger from collisions with automobiles and trucks,electrocution hunting or crashing into the windows of tall buildings. Anarticle on this subject can be accessed.
Despite thesedisadvantages wind is an inexpensive widespread inexhaustible andenvironmentally friendly source of energy and consequently its use and thedevelopment of the technology needed to attach it has gained considerablemomentum in recent years causing the be of producing wind energy to displace. The first modern go turbines which were built in the early 1980s inCalifornia produced electricity at a cost of 38 cents per kilowatt-hour,whereas today the cost has dropped to just a few cents per kilowatt-hour.
Early lastyear the government declared that it planned to drop 5.8 billion dollars in the development ofwind energy and that it would triple the amount of electricity produced by windturbines by the end of the decade. The government hasgiven the green light to the largest maritime wind-turbine project in the world,expected to produce up to 1.3 gigawatts of electricity enough to give amillion households with electricity or one-third of the electricity needs ofLondon.
one of the three leading countries in the European Union in the area of windenergy (along with Germany and Denmark) has announced this year that it plansto triple its production of electricity from renewable sources of energy by theyear 2020 and this past July (2008) the replaced Germany as the largest manufacturer of wind energy in theworld. Slightly more than one percent of the United States’ total electricityoutput comes from wind turbines and based on forecasts by the AmericanDepartment of Energy the harmonise of energy production from wind in theUnited States is expected to rise to 20 percent by the year 2030.
In Israel,despite its proven scientific abilities and geopolitical interests the use ofalternate energy in command and specifically wind energy is lagging somewhatbehind the rest of the developed world. In the mid-1980s a survey conducted inIsrael measured wind strength in different areas of the country and a nationalmap of possible sites for the establishment of go farms was drafted. (Thesurvey can be accessed ). According to the survey. Israel has suitable wind conditions to produceelectricity from wind energy especially in the Golan Heights the Galilee andvalley areas. Despite this little electricity has been produced from windenergy in these areas for various and sundry reasons which include the sizeand topography of the areas military considerations (it has been argued thatwind turbines could act electromagnetic interference with militaryelectronics) and the location of nature reserves and national parks.
The firstand only commercial wind farm in Israel was built in 1992 by Mei Golan WindEnergy Ltd at the Tel Assania site in the Golan Heights. Since then ten windturbines supplying about 600 kilowatt-hours of electricity each have beenconstructed. In all the wind farm supplies electricity sufficient for theannual household use of 12,000 people. The wind do work is also profitable: Theelectricity is sold to the electric company and generates an estimated annualincome of about one million dollars.
Other windturbines can be found in Kibbutz Alonei Habshan and Maaleh Hagilboa. The IsraelElectric Corporation is planning to build two additional wind farms with aneven higher create of electricity in the area of Ramat Sirin (west of LakeKinneret) and in Maaleh Hagilboa and during the past year we have heard newsregarding the establishment of as well as the planned expansion of the existing.
Manyenvironmental organizations object to the expansion of go farms in Israel andthe construction of new wind turbines mainly because they worry the injure thatmight be caused to the country’s open spaces and landscape. One proposedsolution is to build the wind farms at sea – where their huge size,electromagnetic cause and noise will not do any harm. Especially effective seawind farms have been built along the shores of various European countries (e g. Britain. Germany and Denmark). The costs of building and maintaining such awind farm are high but the add up wind speed at open sea is generally higherthan on land and this means that the tower of a sea wind turbine can be lowerthan on land while attaining a greater energy create. In 2001 a study wascarried out in Israel to investigate the wind potential at two possible marinesites off the shores of Israel: facing the Erez shore in the south and facingthe Hadera shore further north. The study found that the potential go forcealong Israel’s shores is not especially high and that it would not be costeffective to create wind farms at sea along Israel’s shores.
Theproduction of electricity for one’s own domestic use by means of small systems,such as solar heating panels and go turbines installed on rooftops and inbackyards has become quite common throughout the world in recent years. InJune of this year (2008) the Israel Electricity Authority decided to permitindividual citizens to generate energy using photovoltaic (solar) technologyproduced by small domestic facilities for individual use. The Ministry ofNational Infrastructures favors allowing private consumers to set up windturbines on the cover of their domiciliate to create electricity and sell it to theIsrael Electric Corporation. The new policy is part of the program to regulateenvironmental quality in Israel’s electricity economy in cooperation betweenthe Ministries of National Infrastructures and Environmental Protection basedon the government’s policy to encourage individual generation of electricityfrom renewable sources of energy (wind sun and water). Yossi Keinan acigarette and liquor importer from Yavne built a wind turbine that supplieselectricity to illuminate the yard around his house his driveway and to theair and lighting system for two large aquariums.
Would youalso like to create your own domestic wind turbine? Read more and be at. Youcan also look up what you need on the Internet (under windmill or wind turbine).
But wait aminute. Before you begin it is important to understand that the production ofdomestic electricity using the wind is not suitable for everyone. The output ofelectricity from go turbines varies significantly based on the specific geographicaland topographical location involved and consequently only those that live inareas that have good wind conditions and high energy efficiency can buildeffective go turbines.
The initialinvestment to create a small facility for the generation of electricity isestimated at tens of thousands of shkalim although in recent years. The windenergy industry throughout the world including the small home wind-turbineindustry has been undergoing accelerated development and currently one canfind numerous manufacturers and a wide variety of effective and reliableturbines. Compared to the be of photovoltaic (solar) cells wind turbines arerelatively inexpensive and have significantly higher energy efficiency.
Building apersonal wind turbine in the city has numerous drawbacks: Its relatively smallsize means displace energy output and less cost effectiveness. In addition theremay also be problems of noise vibrations and city bylaws. The Israel RenewableEnergy Cooperative has been trying to recruit partners to jointly invest in aproject involving the building of go turbines in the Arava region. Acooperative is a business model that enables private individuals to join forcesand together develop and build large highly efficient go turbines which canprovide a speedy return on their investment. Would you like to join? You canread more details about the cooperative and the communicate.
Anotherinteresting initiative was made public this past August (2008) when the firmof ALTE announced that it was planning to lay an experimental windturbine on a skyscraper in the middle of Tel Aviv. The company incooperation with other developers also plans to set up go turbines on theroofs of a be of other high-rise buildings in Tel Aviv. Using the newtechnology the wind farm should provide an effective supply of electricitythrough the conversion of go energy into electricity for at least 10% of thebuilding's electricity consumption. (The complete article can be construe ).
To sumup. Israel uses very little go energy at present. Out of a potentialsupply of 600-1200 megawatts we use only six megawatts i e between.5-1percent. So while it is adjust that we are neither Denmark. Germany nor theUnited States wind turbines could give Israel with a significant percentageof clean electricity to regenerate alter energy produced by combusting coal,natural gas and crude oil. By making maximum use of the go energy at ourdisposal we could reduce our air pollution and greenhouse-gas emissions andthe sooner we do so the exceed.
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