書誌事項
- タイトル別名
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- WIND LOADS AND EXTERNAL FORCES ON A WIND TURBINE TOWER BASED ON FIELD MEASUREMENTS
- ジッソク ニ ヨル フウリョク ハツデン タワー ノ カゼ カジュウ トクセイ ト サヨウ ガイリョク ノ スイテイ
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This paper describes the characteristics of overturning moments and a method for estimating external forces on a prestressed concrete tower for a propeller-type wind turbine with three blades (Hub height: 50m, Rated power: 600kW). The overturning moments based on field measurements were investigated using strain-gauge data. It was found that the static overturning moment in the along-wind direction was affected by teh thrust of the wind turbine control. Furthermore, the standard deviation of the overturning moment increased in the ranges from 5m/s to 10m/s. This is because the first natural frequency of the wind turbine tower corresponds to the blade-passing frequency, i.e. the 3P frequency. In addition, the fluctuation of external forces acting on the wind turbine tower was estimated by inverse analysis based on the model frequency transfer function, using field measurement data. As a result, the relationship between the fluctuation of external force and the rotor speed was derived and a pitch control method was found.
収録刊行物
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- 日本建築学会構造系論文集
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日本建築学会構造系論文集 72 (617), 39-46, 2007
日本建築学会
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詳細情報 詳細情報について
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- CRID
- 1390001205670957824
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- NII論文ID
- 110006317792
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- NII書誌ID
- AN10438559
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- ISSN
- 18818153
- 13404202
- http://id.crossref.org/issn/13404202
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- NDL書誌ID
- 8882853
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- 本文言語コード
- ja
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- データソース種別
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- 抄録ライセンスフラグ
- 使用不可