Internal Defect Position Evaluation of Ground Coil by Detecting Electromagnetic Waves from Partial Discharge

カテゴリ: 論文誌(論文単位)

グループ名: 【A】基礎・材料・共通部門

発行日: 2013/05/01

タイトル(英語): Internal Defect Position Evaluation of Ground Coil by Detecting Electromagnetic Waves from Partial Discharge

著者名: Masao Suzuki (Maglev System Technology Division, Railway Technical Research Institute/Institute of Technology and Science, The University of Tokushima), Satoru Ota (Maglev System Technology Division, Railway Technical Research Institute), Ryohei Ikeda (Ma

著者名(英語): Masao Suzuki (Maglev System Technology Division, Railway Technical Research Institute/Institute of Technology and Science, The University of Tokushima), Satoru Ota (Maglev System Technology Division, Railway Technical Research Institute), Ryohei Ikeda (Maglev System Technology Division, Railway Technical Research Institute), Masatake Kawada (Institute of Technology and Science, The University of Tokushima)

キーワード: internal defect，partial discharge，Maglev system，electromagnetic waves，position evaluation，ground coil

要約(英語): Because a huge number of ground coils are used outdoors for an extended period of time in the superconducting magnetically levitated transportation (Maglev) system, high reliability of ground coils and the cost reduction are required. The propulsion coil especially needs the high insulation stability as high-voltage equipment. Because the ground coil, which is made with the resin-molded winding, does not have a core in the structure, the ground coil must be exposed to the electromagnetic force directly. Therefore, there is a possibility that minute defects in the molded resin of the ground coil may expand, become apparent, and lead to the deterioration of insulation stability. In this paper, we examined the insulation diagnosis to assess the existence/nonexistence of the inside defect and locate the defect by setting a simulated void-defect inside the molded resin of the ground coil and detecting the electromagnetic waves effectively that are emitted from a partial discharge at the defect point.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.133 No.5 （2013） 特集：計算電磁気学の進展とその応用

本誌掲載ページ: 307-312 p

原稿種別: 論文／英語

電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejfms/133/5/133_307/_article/-char/ja/