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Influence of Propagation Distance on Estimated Location of Return Strokes based on Measured E-Field

Influence of Propagation Distance on Estimated Location of Return Strokes based on Measured E-Field

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カテゴリ: 論文誌(論文単位)

グループ名: 【B】電力・エネルギー部門

発行日: 2012/02/01

タイトル(英語): Influence of Propagation Distance on Estimated Location of Return Strokes based on Measured E-Field

著者名: Koji Michishita (Dept. of Electrical & Electronic Eng., Shizuoka University), Naoki Shibata (Dept. of Electrical & Electronic Eng., Shizuoka University), Yasuji Hongo (R & D Center, Tohoku Electric Power Co., Inc.)

著者名(英語): Koji Michishita (Dept. of Electrical & Electronic Eng., Shizuoka University), Naoki Shibata (Dept. of Electrical & Electronic Eng., Shizuoka University), Yasuji Hongo (R & D Center, Tohoku Electric Power Co., Inc.)

キーワード: lightning,E-field,return stroke,propagation effect,ground conductivity,location accuracy

要約(英語): The authors have carried out simultaneous measurements of the vertical E-field (electric field) at six points around Shirakawa area to investigate the possibility of the enhanced location accuracy. The accuracy of the lightning striking points estimated by the TOA (time-of-arrival) technique is evidenced by comparison with the actual location and is estimated less than 209m. The parameters on the front of the E-field waveforms are influenced by the attenuation of the high frequency components associated with the propagation of the wave over finitely conducting ground (so-called the propagation effect) and the average ground conductivity at the area is estimated 5-20mS/m. In general, the location of the lightning striking points estimated by the TOA is little influenced by the propagation effect when the propagation distance is shorter than 30km.

本誌: 電気学会論文誌B(電力・エネルギー部門誌) Vol.132 No.2 (2012) 特集:IWHV 2010

本誌掲載ページ: 144-149 p

原稿種別: 論文/英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejpes/132/2/132_2_144/_article/-char/ja/

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