日本建築学会構造系論文集
Online ISSN : 1881-8153
Print ISSN : 1340-4202
ISSN-L : 1340-4202
実測に基づく風力発電コンクリートタワーの風応答特性に関する研究
山本 学内藤 幸雄近藤 宏二大熊 武司
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2006 年 71 巻 607 号 p. 45-52

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This paper describes the characteristics of wind-induced responses of a prestressed concrete tower for a propeller-type wind turbine with three blades (Hub height: 50m, Rated power: 600kW). The responses were investigated using field measurement data. As a result, the along-wind dynamic response displacements at the tower top were more dominant than the across-wind ones, due to the rotor of the wind turbine. Furthermore, the response increased at wind speed at a hub height of 5m/sec. This is because the first natural frequency of the wind turbine tower corresponds to the blade-passing frequency, i.e. the 3P frequency. However, its response was smaller than that of the steel tower.

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© 2006 日本建築学会
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