1.1 Introduction
South Australia is one of the leading states with great capacity of installed wind turbines. Recently the regional labor government had set a 50% renewable energy target for 2025, in which wind power projects like Ceres project and Horndale project would take that investment to 50% (Vorrath, 2014). This is a strategy which is being used to reduce the amount of greenhouse gases, which is believed to be caused by non-renewable energies. As a result the last two coal-fired power stations are set to close early next year. This was announced by Alinta Energy which is coal based, located in Port Augusta (World Today, The (ABC), 2015). In account of what has been said by Tristan Edis an energy analyst and editor of climate spectator, this early closure of Alinta Energy plants is due to competition from wind energy (World Today, The (ABC), 2015). Furthermore, wind energy production has different perspectives which have been taken into account recently. These perspectives include social, economic and environmental issues. The major issue raised against wind power generation, based upon social view, is about health impacts on people living close to wind turbines and the unsightly features to the environment. Though, all these points have not justified so far further research is still in process.
1.2 Wind Energy
1.2.1 Definition
Wind energy is a renewable energy, unlike fossil fuels it’s free and clean (European Wind Energy Association, 2010) that is generated by converting kinetic energy in wind currents into mechanical power. The kinetic energy in the air flow provides force that turns the blades inserted on top of the turbine. A drive shaft provide the mechanical energy to power the generator in the turbine. The place wh...
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... which can affect the nature environment and also wild life, figure 6.
Conclusion
In conclusion wind energy should be used to generate 100% of the state electricity. It is carbon free, it does not emit greenhouse gases in the atmosphere, which harm the environment and even the human respiratory system. Although residents say they cause noise pollution, engineers are working on technological advancements to improve the issue. Furthermore, they provide employment opportunities for the local community, it helps to support the economy. In addition to that, wind power produced can be sold to other countries with electricity shortages, this improves relationships and connections on a global scale. A recommendation that could be taken into account in the future is that, all wind energy companies or projects should consider the impacts wind before decisions are made.
2. Personally i am for wind farms and in my opinion. I think that wind energy has a great potential not only is wind energy very reliable and sustainable. it is also not as expensive as some at the other types of renewable green energy sources.
People in favor of the wind farm believe that the benefit of using wind energy is more important than anything the Sound currently offers. In perfect weather conditions the farm will supply three-quarters...
How often do you think of where you get your electricity? How our cars are able to work, and how our houses are heated in the wintertime to keep us warm? There are many different types of renewable energy, but how often do we use them? Wind energy is probably Kansans best bet of creating the energy we need to prosper. By looking at the pros of renewable energy sources, the pros of wind energy in Kansas, and the efficiency of vertical axis wind turbines to the horizontal axis, we’ll discover this together.
With concern over global warming growing, people are starting to turn a more serious eye toward cleaner sources of energy. Instead of solar power making a comeback as the ideal form, we are seeing a growth in the use of wind power. Wind farms are beginning to crop up all around the country. This new trend has gathered significant attention. Questions are being raised concerning the effects wind farms may have, from critics and supporters alike. Michelle Nijhuis, in the article “Selling the Wind” discusses the arguments on behalf of and in opposition to the increasing use of wind power, addressing what the consequences may be on the United States.
Wind energy can play a critical role in saving our planet from the negative effects of energy powered by fossil fuels. Wind turbines work effectively at reducing carbon dioxide emissions. For instance, a single utility scale wind turbine can prevent the emission of 5,000 tons of CO2 into the atmosphere a year by displacing the power generated by fossil fuels. Also, a single 750-kilowatt turbine can produce roughly 2 million kilowatt hours of electricity annually. Turbines of this nature are the ones now being used in power plants around the world (Wind Energy Weekly). One good example is California. Their wind power plants displace 4.5 billion pounds of CO2 each year with the 3 billion kilowatt hours of energy they produce. To put it into an environmental perspective, that is as much CO2 as could be absorbed by a forest covering 1100 square miles (Wind Energy Weekly). Although wind energy has little to no impact on the environment when it comes to air pollution or greenhouse gases, there are other environmental concerns surrounding this form of energy production. Some of the concerns about wind energy include visual impacts, birds and other living resources, lightning and noise (Wind Energy Development).
Wind Energy is a viable industry that has become a valuable energy source. The energy generated from wind is clean and efficient. The wind energy industry helps to ensure that electric demands are met, wildlife impact is minimal, the environment is not devastated, as well as creates new jobs during the construction of wind farms, daily operations, manufacturing components, and exporting components to foreign countries.
In everyday life, there are things that one needs to survive. And sustainability problems arise every day. One such problem is energy loss. The world is using up a lot of energy and new ideas need to be formed to help the rest of the world and the future of the generations that are to follow, to survive. With that the problem is that people use up energy and they do not use it efficiently. Therefore scientists are needed to find ways to deal with the sustainability problem that is arising. That is where wind turbines are used to generate this energy but the actual wind-turbines are very large, loud and they kill birds, thus new designs need to be found in order to help energy usage and to bring the size and structure of the wind turbines to a smaller scale to prevent injuries to nature and the species around it.
Just as long as wind continues to blow and the sun shines, then wind power can produce energy to send to many different areas. There aren’t many locations that have continuous wind. And because of that, the widespread development of wind power isn’t as great as it could be. Although there are more advantages than disadvantages when it comes to this energy source, the disadvantages should be taken just as seriously. Wind power can harm animals, there was a study that stated birds were coming in contact with turbines and dying.
First and foremost, unlike power plants that rely on combustion of fossil fuels, wind turbines do not produce atmospheric emissions. Strangely enough, wind is a form of solar energy. Winds are caused by the irregular heating of the atmosphere by the sun, the variations of the earth 's surface, and rotation of the earth. This wind flow, or kinetic energy, when "harvested" by modern wind turbines, can be used to generate electricity. There is an abundance of wind to meet our needs, “the potential of [the total] wind power [in the world] is… 20 times more than what the entire human population needs” (Maehlum). Currently, wind power is one of the lowest-priced renewable energy technologies available, costing between four and six cents per kilowatt-hour, depending upon the wind
Wind turbines are a great source of energy around the world. Wind turbines produce wind energy that can be used to power our homes. Wind turbines convert kinetic energy into mechanical power. Then this mechanical power gets generated into electricity. Wind turbines make energy by the wind turning the large blades, which spin a shaft that is connected to the large blades, which then operates the generator making electricity.
The Wind Turbine is a device that converts the kinetic energy of the wind into kinetic energy of turbines. The turbines turn to generate electricity but they work only when there is wind. The efficiency is 30-40%. The environmental impacts are needs many large turbines to generate electricity which can be noisy and unsightly. Turbines may endanger birds and bats.
Wind power is one of the most sustainable ways of generating electricity as no toxic emissions are produced; it does not add to global warming and is one of the most available sources of renewable energy and theoretically it is an infinite source of energy. On sufficiently windy areas, wind turbines are one of the most economical methods of generating electricity, which makes it appealing to many individuals, governments and organizations. Due to this it is the fastest growing source of electricity in the world (Union of Concerned Scientists, 2014) with a 10% increase in yearly additions installed in 2012 compared with 2011 (Global Wind Energy Council, 2012). However the proportion of energy that can be harnessed through wind power is restricted by the cost of the infrastructure needed, construction, the amount of wind that occurs and that there are only a narrow number of sites within the UK that are windy enough for the wind turbines to be worth installing.
Wind is a form of solar energy. The term wind energy describes the process by which the wind is used to generate electricity or mechanical power. Wind turbines convert mechanical energy from the wind into electrical power. Wind turbines usually have three main parts. There are blades that connect to a central hub, a box behind the blades that contains the generator, and a long stem that connects to the ground. The way how it works is that the wind turns the blades, which spins a shaft that connects to a generator making electricity. After the electricity is produced it is sent through transmission lines to a substation that is sent to business and homes. For the sake of our planet, we must promote a renewable energy economy. Wind power can be a foundation of that sustainable energy future because it provides jobs in states that are building wind turbines, is a renewable energy source, and does not damage our environment. The environment will not be damaged by the pollution, the natural resources will not be used up, and there won’t be generating of hazardous wastes. Welcoming wind energy today will lay the foundation for a healthy tomorrow that will affect everyone in the United States. There are obstacles and challenges that will make it more difficult, but the environmental impact is well worth it to invest more money into wind energy.
Deal, W. (n.d.). Wind power: An emerging energy resource.Technology & Engineering Teacher, 70(1), 9-15. Retrieved from http://web.b.ebscohost.com/ehost/detail?sid=a747d6c4-9f9f-4066-be3e-d7d26a427ef2@sessionmgr115&vid=1&hid=114&bdata=JkF1dGhUeXBlPWNvb2tpZSxpcCxjcGlkJmN1c3RpZD1zc2Mmc2l0ZT1laG9zdC1saXZlJnNjb3BlPXNpdGU=
It converts the mechanical energy of the rotating shaft caused by wind into electrical energy (Correla, 1986). The focus of this research will be limited to devices that operate as electrical motors.... ... middle of paper ... ...