カテゴリ: 論文誌(論文単位)グループ名: 【D】産業応用部門（英文）発行日: 2014/11/01タイトル(英語): Investigation of Additional Harmonic Losses in Induction Motors Driven by PWM Inverters: Variation with Slot Shapes and Load Conditions著者名: Katsumi Yamazaki (Department of Electrical, Electronics, and Computer Engineering, Chiba Institute of Technology), Masaaki Matsumoto (Department of Electrical, Electronics, and Computer Engineering, Chiba Institute of Technology)著者名(英語): Katsumi Yamazaki (Department of Electrical, Electronics, and Computer Engineering, Chiba Institute of Technology), Masaaki Matsumoto (Department of Electrical, Electronics, and Computer Engineering, Chiba Institute of Technology)キーワード: induction motor，inverter，additional loss，core loss copper loss，finite element method要約(英語): The additional harmonic losses in induction motors driven by PWM inverters are investigated from both results of experiments and finite element methods. Both the experimental and calculated results show that the total additional motor loss decreases with an increase in switching frequency, whereas it does not depend on load conditions. On the other hand, the finite element methods reveal the variation in each loss component with switching frequency, load conditions, and rotor-slot shapes. It is clarified that the components of additional motor loss considerably varies with these factors. In the closed rotor slot motor, the harmonic core losses decrease whereas the harmonic secondary cage losses increase with load. On the other hand, in the semi-closed slot motor, the ratios of these components are not considerably changed with load. This difference is mainly caused by the variation in magnetic saturation and skin effect at the rotor bridges of closed slot motor.本誌: IEEJ Journal of Industry Applications Vol.3 No.6 （2014） Special Issue on Technologies of Rotating Machinery本誌掲載ページ: 405-413 p原稿種別: 論文／英語電子版へのリンク: https://www.jstage.jst.go.jp/article/ieejjia/3/6/3_405/_article/-char/ja/
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