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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 Braking chopper ： ウィキペディア英語版 Braking chopper Braking choppers some times also referred to as braking unit are used in the DC voltage intermediate circuits of frequency converters to control voltage when the load feeds energy back to the intermediate circuit. This arises, for example, when a magnetized motor is being rotated by an overhauling load and so functions as a generator feeding power to the DC voltage intermediate circuit.〔Werner Leonhard, 2001 "Control of Electrical Drives" Springer Press〕〔R. Krishnan, 2001 "Electric Motor Drives: Modeling, Analysis, and Control", Prentice Hall〕 They are an application of the chopper principle, using on-off control of a switching device. ==Operation== A braking chopper is an electrical switch that limits the DC bus voltage by switching the braking energy to a resistor where the braking energy is converted to heat. Braking choppers are automatically activated when the actual DC bus voltage exceeds a specified level depending on the nominal voltage of the variable-frequency drive 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「Braking chopper」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.