Risk evaluation of lightning damage to wind turbines with the electro-geometrical method (特集 IWHV 2007 (5th International Workshop on High Voltage Engineering))
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概要
- 論文の詳細を見る
The electro-geometrical method (EGM) has been adopted for lightning protection design of transmission lines. In this paper, probability calculations of direct lightning strokes to wind turbines are carried out by using the EGM. The distributions of the peak values of lightning current mentioned in various documents are based on observational results of lightning strokes onto structures. These distributions are different from those corresponding to lightning strokes from a thundercloud to the surface of the ground. Therefore, we have estimated the peak value of the lightning current and the probability of shielding failure by using the EGM. In addition, the equivalent collection areas of structures were calculated on the basis of an assumed lightning striking angle in three-dimensional space.
- 社団法人 電気学会の論文
- 2007-12-01
著者
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YOKOYAMA Shigeru
Central Research Institute of Electric Power Industry (CRIEPI)
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Yokoyama Shigeru
Central Res. Inst. Of Electric Power Ind.
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Sakata Tadashi
Kinden Corporation
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SEKIOKA Shozo
Shonan Institute of Technology
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YAMAMOTO Kazuo
Kobe City College of Technology
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Sekioka Shozo
Faculty Of Engineering Shonan Institute Of Technology
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Yokoyama Shigeru
Central Res. Inst. Electric Power Ind. Kanagawa‐ken
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Yokoyama Shigeru
Electric Power Engineering Research Lab Criepi
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Yamamoto Kazuo
Department Of Electrical Engineering Kobe City College Of Technology
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