1 October 2012 Wind Wind power has the tremendous potential of evolving into a highly exploitable source of electricity worldwide. In the twentieth century, wind energy was largely localized to agricultural and domestic applications providing 1-25 KW of power (TelosNet.com)…
The size of turbines, types of rotors and the manufacturing technologies employed in the production of wind turbines have changed. Advanced methods such as compression moulding and injection moulding for blade manufacturing are being employed in order to reduce the time and cost of production and increase performance (Wind-energy-the-facts.org). Recent developments in the wind turbine technology include the use of vibration isolators for reducing sound, the use of active pitch controls for maintaining the performance even at very high wind speeds, the use of inverters connected to turbines, and the use of advanced manufacturing methods and blade designs. The International Energy Agency (IEA) aims at achieving a total output of 2000 GW of wind power by 2050 (Tanaka 1). There has been an explosive growth in the use of wind power throughout the world. According to the International Wind Energy Development – World Update 2010 report, the market value of wind power is estimated to grow from $96.4 billion to $161.2 billion in the period between 2011 to 2015 (Shahan 1). While wind power supplies 1.92% of the world’s electricity, it is expected to increase to 9.1% by 2020 (Shahan 1). The average rate of growth globally is estimated to be 15.5% annually. Estimates by the Global Wind Energy Council and Greenpeace International predict a similar growth. The United States is the second fastest growing markets for wind power, the first being China (DOE/Lawrence Berkeley National Laboratory). While 10 GW of new wind power capacity were added in 2009, 5.2 GW were added in 2010 and 6.8 GW were added to the US grid in 2011 (DOE/Lawrence Berkeley National Laboratory). By 2030, it is expected that the US can fulfill 20% of its electricity requirements from wind power (Shahan 1). According to estimates by the American Wind Energy Association, the potential of producing wind power in the US is about 10.8 trillion kWh annually, which is equal to the energy produced by 20 billion barrels of oil that is the present annual oil supply globally (Layton 3). Wind power provides about 3.23% of the total electricity in the US (Eia.gov). The current wind power capacity of the US is more than 20% of that of the total wind power produced throughout the world. In six states of the US, more than 10% of the total electricity is wind powered, with two of the states having 20% of their electricity requirements being fulfilled by wind energy alone (DOE/Lawrence Berkeley National Laboratory). In the coming decades, wind power can provide for 20% of the total electricity needs of the country. Various government incentives have encouraged the construction and operation of wind power. The United States Wind Energy Policy ensures that incentives in the form of grants, bonus depreciation, and tax credits, such as production and investment tax credits, are provided by the federal and state governments for the installation of machinery for producing wind energy. The Solar, Wind, Waste, and Geothermal Power Production Incentives Act 1990 and the Energy Policy Act (EPACT) 1992 ensure the provision of incentives for production of renewable energy. The production tax credit incentive provided by the US government has been instrumental in expanding the growth of the wind energy industry (Veganverve 1). This incentive however is set to expire in 2012. This incentive offers 2.2 cents per KW-h of energy produced by ...
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Education and Legal/Law Aspect of Wind Turbine/Wind Energy. A wind turbine refers to a piece of equipment that changes kinetic energy into mechanical energy power from wind. Wind turbine energy refers to mechanical energy that has been converted by device known as a wind turbine from kinetic energy to its final form.
The wind power has many green advantages over the fossil fuel power sources. Wind power is green. Green energy saves the environment from avoidable pollution and hazards. Trees are green. Grasses are green. Shrubs are green. Green represents life sustaining activities, not pollution-generating or hazard-producing acts.
A wind turbine power generator extracts the energy from the wind and converts to the electrical energy for further utilization. In the similar way, nuclear power is extracted by splitting the nuclei of the elements (most likely Uranium). Nuclear energy is evolved by splitting the nuclei of the atom of certain elements to corresponding subatomic particles; protons, neutrons and electrons.
Wind power is a renewable source of energy. It is renewable because wind energy is available off and on the coast most of the times, all days of the year. It is a preferred source of energy because it does not create any pollution as is the case with all fossil fuels.
Wind Turbines for Power Generation. Use of wind turbines for generation of power has raised interest due to level of energy associated with subsequent emission of CO2 in activities such as manufacturing and construction. Nevertheless, arguments against installation of wind farms have increased based on the notion that they lead to some limitation for entire life cycle.
The paper gives the information which was collected from scholarly articles and published books relevant to the subject. Wind is simply moving air or air in motion. In this research, the definition of wind is any amount of air moving in a definite direction or changing directions moving at speeds less than 5 miles an hour. Breezes and tornadoes are forms of moving air travelling at less than 2 kilometers an hour and more than 50 miles an hour respectively.
From the time we have been taught of the solar system, we have known that the sun is at the center. For billions of years, it has already provided the earth with warmth that enabled all forms of plants and
tasks including water pumping or it can even be used in order to operate a generator that can assist in the conversion of mechanical form of energy into electric power that can be then transferred to grid station in order to supply electricity. The electricity that is developed
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