Research on Risk Assessment of Wind Power Project
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Abstract This paper analyzes the wind energy parameters for different areas with low wind energy potential using the data from the global online wind map. The performance characteristics of different types of wind turbines are reviewed. The generated theoretical electric energy within one year for 9 types of wind turbines is presented. Suitable wind turbines for harnessing low wind potential, that can cover the electrical needs of one household are proposed.
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This paper evaluates the electricity production at Divandareh, a place located at Kurdistan, Iran through wind energy assessment using wind data of the site recorded in duration of a year at three different heights of 10, 30 and 50 meters. For this purpose, a statistical analysis of the measured wind data is performed. According to the US standards, the site is found to be a class-3 wind power site with power density of 336.18 W/m 2 at 50 m height. Moreover, dominant flow direction of wind is checked through wind rose plotting. It has been shown that the site is suitable for wind energy development by installing wind turbines with tall towers. Thereupon, four different commercial wind turbines have been nominated in order for studying. Using characteristics of nominated wind turbines and analyzed wind data, the average power and annual output energy are obtained for each of them. Finally, after determination of capacity and availability factors and comparison of these factors among wind turbines and due to economical criteria, it is achieved that turbine model De Wind 48 has the most appropriateness with the selected site.
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Wind energy is a fast-growing interdisciplinary field that encompasses multiple branches of engineering and science. Despite the growth in the installed capacity of wind turbines in recent years, larger wind turbines have energy capture and economic advantages, the typical size of utility scale wind turbines has grown by two orders of magnitude. Since modern wind turbines are large, flexible structures operating in uncertain environments, advanced control technology can improve their performance.The goal of this article is to describe the technical challenges in the wind industry relating to control engineering.
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Micro wind turbine is a technology that is used to generate electricity in urban areas. The purpose of this review paper is an analysis of micro wind turbines on high-rise buildings. High-rise buildings are used as towers for micro wind turbines. Here is an analysis of the wind map of India for installing wind turbines. With the help of wind maps, the behavior of wind at different heights has been studied. The result of this study is to analyze how much wind power is generated in different states of India. At present nine states of India, wind energy is produced for commercial use and connected to the grid. Tamil Nadu is the largest wind power producer state. The wind flow in nine states is very good for wind power generation. Micro wind turbines have also been installed in these states and wind power generation for domestic use yields good results.
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Fact one: Wind energy is booming around the world. Fact two: Wind turbines kill lots of bats. Fact three: Bats are worth billions to North American agriculture. Conclusion? Wind power has a bat problem. And with the Global Wind Energy Council predicting that worldwide wind capacity will double by 2016, the problem will only get worse. At a handful of U.S. sites, such concerns have already led planned wind facilities to be scaled back or put on hold.
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Wind farms help reduce the average wind cost of energy due to many economies of scale compared to individual turbines located far from each other. However, these groupings introduce the problem of aerodynamic interaction among turbines, which can decrease the total energy converted to electricity compared to the same number of isolated turbines operating under the same wind inflow conditions. In this paper, we describe a simulation model under development to examine the aerodynamic interaction among turbines and increase the total energy captured by an array of turbines. We then discuss various control strategies to maximize the energy capture for wind farms containing multiple turbines.
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The increasing need for new energy sources is a result of the rapidly increasing global population and consumption of fossil fuels. In order to achieve more efficient use of wind energy in Turkey, the establishment of more efficient wind turbines with new technologies and the widespread use of wind-generating systems are inevitable. The regional distribution of the wind energy potential of Turkey, the regional and general usage rates and the policies followed in wind energy subjects are worth investigating. Besides, it is very important to discover new wind fields, to calculate the capacities of these areas by technical analysis methods and finally to use them. Recently, wind power capacity has increased dramatically in Turkey and accompanying that, the wind turbines that produce it have become more affordable and more efficient for wind energy producers. Wind turbine technologies have been mentioned in general and generator models used in wind turbines have been examined. Consequently, wind energy resource is not efficiently used in Turkey and how the using of wind energy potential is improved is generally discussed.
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This paper examines working principles of doubly-fed and full-power wind turbines and compares their performance, focusing on features of ABB's PCS6000 intended for full-power wind turbines as well as its real-world application.
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