A Study about Security of Wind Turbine Foundation in Different Width and Height Ratios

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Abstract:

Width and height ratio is a characteristic geometry feature of wind turbine foundations. This study establishes the relationship between security of wind turbine foundations and their width and height ratios. There are a number of works on checking wind turbines, however, limited works about how the width and height ratio influences the structure were conducted. This paper provides fifteen models of three different shapes, five circular foundations, five hexagon foundations and five triangle foundations. Data from a wind farm in Guizhou, China, is used to calculate the main wind loads acted on wind turbine structures. Then key factors concerning with security of foundations were obtained. And they were put together so that it is easy for us to find their relationships. The results show foundations have different performance at different ratios. It’s change laws were so clear, security of foundations is improved by the increasing of width and height ratio. On the other hand, hexagon and triangle foundations were certificated suitable for general projects.

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Periodical:

Advanced Materials Research (Volumes 1079-1080)

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566-573

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Online since:

December 2014

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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[1] Z.H. Li, S. Guo: Analysis on Environmental Value of Wind Power in China (2011), Electric Power Technologic Economics, 23(7): 35-39.

Google Scholar

[2] A. Lema, K. Ruby: Between Fragmented Authoritarianism and Policy Coordination: Creating a Chinese Market for Wind Energy (2007), Energy Policy, 35: 3879-3890.

DOI: 10.1016/j.enpol.2007.01.025

Google Scholar

[3] D. Zhang: Offshore Wind Energy Development in China: Current Status and Future Perspective (2011), Renewable and Sustainable Energy Reviews, 15(9): 4673-4684.

DOI: 10.1016/j.rser.2011.07.084

Google Scholar

[4] C.X. Luo: Wind Power Generation Today in the World and Prospect Forecast (2012), Sino-Global Energy, 3: 003.

Google Scholar

[5] W. Zhou, C.Z. Lou and Z.S. Li: Current Status of Research on Optimum Sizing of Stand-alone Hybrid Solar–Wind Power Generation Systems" (2010), Applied Energy, 87: 380–389.

DOI: 10.1016/j.apenergy.2009.08.012

Google Scholar

[6] P.H. Bischoff: Tension Stiffening and Cracking of Steel Fiber-reinforced Concrete (2003), Journal of Materials in Civil Engineering, 15(2): 174-182.

DOI: 10.1061/(asce)0899-1561(2003)15:2(174)

Google Scholar

[7] M.H. Wang, G.F. Chen: Design of Foundation of Wind Power Generating Unit in China (2008), Water Power, 34(11): 88-91.

Google Scholar

[8] F.Q. Liu, J.H. Wang and L.L. Zhang: Axi-symmetric active earth pressure obtained by the slip line method with a general tangential stress coefficient (2009), Computers and Geotechnics, 36(1): 352-358.

DOI: 10.1016/j.compgeo.2008.02.002

Google Scholar

[9] British Standards Institution. Eurocode 2: Design of Concrete Structures: Part 1-1: General Rules and Rules for Buildings, British Standards Institution, (2004).

Google Scholar

[10] Z.W. Fang: Force analysis of eccentric foundation for high-rise structure (2005), Housing Materials and Applications, 6: 018.

Google Scholar