新型落雷位置システムLENTRAの開発と夏季雷における推定性能の評価

カテゴリ: 部門大会

論文No: 44

グループ名: 【B】令和4年電気学会電力・エネルギー部門大会

発行日: 2022/08/26

タイトル(英語): Development of newly designed LLS LENTRA and evaluation of its estimation performance

著者名: 工藤亜美（電力中央研究所），齋藤幹久（電力中央研究所），三木貫（電力中央研究所）

著者名(英語): Ami Kudo (Central Research Institute of Electric Power Industry), Mikihisa Saito (Central Research Institute of Electric Power Industry), Toru Miki (Central Research Institute of Electric Power Industry)

キーワード: 雷|落雷位置標定システム|東京スカイツリー|LENTRA|Lightning|Lightning Location System|Tokyo Skytree|LENTRA

要約(英語): LENTRA is one of the Lightning Location System (LLS) which is newly developed by CRIEPI for effective inspections and maintenances of electrical facilities. It was designed as less lightning location error, more useful in terms of the new functions for estimating charge transfer and current steepness, and more accuracy for peak current estimations, than the current LLS operated by each electric power company. From August 2021, lightning observation around Kanto region has started with 10 observation sites of LENTRA installed around Tokyo Skytree. Tokyo Skytree is also an observation site of lightning currents hitting Tokyo Skytree by Rogowski coil, and comparison of lightning current data observed by the Rogowski coil with LENTRA data is quite useful to validate LENTRA estimations of lightning striking points and lightning parameters employed in LENTRA. In this study, details of the developed system of LENTRA and the case studies of summer lightnings hitting Tokyo Skytree in 2021 are discussed.

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