がいしの塩汚損が配電線直撃雷によるスパークオーバ発生率に与える影響
がいしの塩汚損が配電線直撃雷によるスパークオーバ発生率に与える影響
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: 2023/03/01
タイトル(英語): Influence of Salt Pollution of Insulators on Sparkover Rate of Medium Voltage Distribution Lines due to Direct Lightning Strike
著者名: 山口 宜大((一財)電力中央研究所グリッドイノベーション研究本部),河野 丈治((一財)電力中央研究所グリッドイノベーション研究本部),石本 和之((一財)電力中央研究所グリッドイノベーション研究本部)
著者名(英語): Nobuhiro Yamaguchi (Grid Innovation Research Laboratory, CRIEPI), Joji Kawano (Grid Innovation Research Laboratory, CRIEPI), Kazuyuki Ishimoto (Grid Innovation Research Laboratory, CRIEPI)
キーワード: 配電線,雷事故率計算,がいし,短波尾雷インパルス電圧,塩汚損_x000D_ distribution lines,lightning-outage-rate calculation,insulator,short-wave-tail lightning impulse voltage,salt pollution
要約(英語): To improve the lightning-outage-rate calculation method of medium-voltage distribution lines, it is important to accurately assess sparkover rates of insulators. In salt polluted areas, lightning outage rates may increase due to the deterioration of insulation performance of insulators. Although the sparkover characteristics of salt-polluted insulators against the standard lightning impulse voltage have been reported in previous works, the sparkover characteristics against short-wave-tail lightning impulse voltages, which occur across insulators on distribution lines by direct lightning strikes, still remain not clarified.In this paper, first, we experimentally study the sparkover characteristics of salt-polluted insulators against a short-wave-tail lightning impulse voltage. Second, using the measured sparkover characteristics, we evaluate the influence of salt pollution on the sparkover rate of medium-voltage distribution lines due to direct lightning strikes.
本誌: 電気学会論文誌B(電力・エネルギー部門誌) Vol.143 No.3 (2023)
本誌掲載ページ: 207-213 p
原稿種別: 論文/日本語
電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejpes/143/3/143_207/_article/-char/ja/
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