インバータ駆動回転機の固定子コイル電界緩和システムにおけるPWM波形印加時の発熱および電界分布
インバータ駆動回転機の固定子コイル電界緩和システムにおけるPWM波形印加時の発熱および電界分布
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: 2021/03/01
タイトル(英語): Power Density and Electric Field Distribution at End-turn Stress Grading System of Inverter-fed Rotating Machine under PWM Waveform
著者名: 梅本 貴弘(三菱電機(株) 先端技術総合研究所),中村 隆央(東芝三菱電機産業システム(株)),柄沢 一成(東芝三菱電機産業システム(株))
著者名(英語): Takahiro Umemoto (Advanced Technology R&D Center, Mitsubishi Electric Corp.), Takahiro Nakamura (Toshiba Mitsubishi-Electric Industrial Systems Corp.), Kazunari Karasawa (Toshiba Mitsubishi-Electric Industrial Systems Corp.)
キーワード: インバータ駆動回転機,電界緩和システム,PWM波形,過渡電界解析 inverter-fed rotating machine,stress grading system,PWM waveform,transient electric field analysis
要約(英語): Inverter-fed drives of form-wound motors become essential for the high efficiency operation in the industrial field. It has been revealed that the high frequency repetitive pulses cause the local heating and electric field enhancement at the end-turn stress grading (SG) system, however, few paper deals with the stresses under the pulse width modulation (PWM) waveforms. In this research, potential distributions, electric field and time-averaged power densities under the PWM waveforms are numerically investigated, as functions of the carrier and the fundamental frequency. As a result, the power densities increase with the fundamental and the carrier frequency, whereas the field at the SG system is almost constant, regardless of the both frequency component. The estimation method of the power density and resulting temperature rise under the PWM is also proposed.
本誌: 電気学会論文誌A(基礎・材料・共通部門誌) Vol.141 No.3 (2021) 特集:放電・プラズマ・パルスパワー研究の最新動向
本誌掲載ページ: 164-171 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/141/3/141_164/_article/-char/ja/
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