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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Dahlander pole changing motor ： ウィキペディア英語版 Dahlander pole changing motor A Dahlander motor (also known as a pole changing motor, dual- or two speed-motor) is a type of multispeed induction motor, in which the speed of the motor is varied by altering the number of poles; this is achieved by altering the wiring connections inside the motor. The motor may have fixed or variable torque depending on the stator winding. It is named after its inventor Robert Dahlander (1870–1935). ==Invention== Robert Dahlander, a Swedish engineer working for ASEA, discovered that switching the poles in a motor led to a reduction in the speed of the motor. In 1897 he invented an electrical configuration to switch between poles in a motor for which he was granted a patent along with his co-worker Karl Arvid Lindstroem. The new connection was named the "Dahlander connection" and a motor having such a configuration is commonly referred to as a "pole changing motor" or a "Dahlander motor".〔, 〕〔''Arrangement for obtaining two different pole numbers for asynchronous AC motors'', 11 February 1897〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Dahlander pole changing motor」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.