Assessment of wind turbine seismic risk : existing literature and simple study of tower moment demand. | Zendy

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Assessment of wind turbine seismic risk : existing literature and simple study of tower moment demand.

Author(s) -

Ian Prowell,

Paul Veers

Publication year - 2009

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/983699

Subject(s) - tower , turbine , seismic hazard , moment (physics) , seismic risk , wind power , hazard , earthquake scenario , environmental seismic intensity scale , scale (ratio) , engineering , risk analysis (engineering) , environmental science , civil engineering , geography , business , cartography , aerospace engineering , chemistry , physics , electrical engineering , organic chemistry , classical mechanics

Various sources of risk exist for all civil structures, one of which is seismic risk. As structures change in scale, the magnitude of seismic risk changes relative to risk from other sources. This paper presents an introduction to seismic hazard as applied to wind turbine structures. The existing design methods and research regarding seismic risk for wind turbines is then summarized. Finally a preliminary assessment is made based on current guidelines to understand how tower moment demand scales as rated power increases. Potential areas of uncertainty in the application of the current guidelines are summarized.

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