積層リングコアの磁気特性に及ぼすかしめ形状の影響

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: 2015/12/01

タイトル(英語): Effect of Interlocking Shape on Magnetic Properties of Laminated Ring Cores

著者名: 藤村　浩志（新日鐵住金（株）），屋鋪　裕義（新日鐵住金（株）），児嶋　浩（新日鐵住金（株）），中山　大成（新日鐵住金（株））

著者名(英語): Hiroshi Fujimura (Nippon Steel & Sumitomo Metal Corporation), Hiroyoshi Yashiki (Nippon Steel & Sumitomo Metal Corporation), Hiroshi Kojima (Nippon Steel & Sumitomo Metal Corporation), Taisei Nakayama (Nippon Steel & Sumitomo Metal Corporation)

キーワード: 鉄損，短絡，かしめ，電磁鋼板，FEM　　core losses，short circuit，interlocking，electrical steel sheet，FEM

要約(英語): Less deterioration in magnetic properties of laminated cores, produced in the manufacturing process by automatic interlocking die, is important in order to reduce energy loss in motors. This report evaluates the influences of interlocking shape on magnetic properties of laminated ring cores. Core losses increases because of the deformation around the interlocking protuberances. In the case of annealing for removing stress distortion, the eddy current losses of the core, having circular-flat shaped interlocking, remarkably increase due to the electrically short-circuit between sheets in the interlocking parts. Numerical calculations by considering the short-circuit were performed using finite element method of the electromagnetic field analysis in order to evaluate some interlocking shape factors and so on quantitatively. As a result, core losses could be reduced by narrowing interlocking width or locating the interlocking on a part of the low density of magnetic flux.

本誌: 電気学会論文誌A（基礎・材料・共通部門誌） Vol.135 No.12 （2015） 特集：スマートな社会を支える最新計測技術

本誌掲載ページ: 780-785 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/ieejfms/135/12/135_780/_article/-char/ja/