Equivalent Circuit Modeling of Railway Bearings under Dynamic Conditions based on Measurement

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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: 2021/02/01タイトル(英語): Equivalent Circuit Modeling of Railway Bearings under Dynamic Conditions based on Measurement著者名: Keisuke Fukumasu (Rese arch and Development Group of Hitachi Ltd.), Hirokazu Kato (Rolling Stock Department, Shinkansen Operations Division, Central Japan Railway Company), Umberto Paoletti (Research and Development Group of Hitachi Ltd.), Kiyoto Matsushim著者名(英語): Keisuke Fukumasu (Research and Development Group of Hitachi Ltd.), Hirokazu Kato (Rolling Stock Department, Shinkansen Operations Division, Central Japan Railway Company), Umberto Paoletti (Research and Development Group of Hitachi Ltd.), Kiyoto Matsushimキーワード: electromagnetic compatibility (EMC)，railway，bearing impedance，equivalent circuit model要約(英語): In this study, the inverter noise propagation on rolling stock under dynamic conditions was investigated using a multi-channel time-domain measurement system. Measurement results revealed a dependence on train speed of the noise that propagates between car body and rails that was not found in the inverter common-mode current. Since this difference is presumably caused by the bogie bearings, a special measurement of bogie bearings under dynamic conditions was conducted using roller rigs and a 2-port vector network analyzer. The results clarified the dependence of the electromagnetic noise on speed that was observed during measurements with the train in operation. We then prepared an equivalent circuit on the basis of the measurement results.本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.141 No.2 （2021） 特集：ナノスケール磁性体の構造・組織解析と創製に関する動向と展望本誌掲載ページ: 139-146 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/141/2/141_139/_article/-char/ja/ Show more