Effects of Magnetic Properties of Core Material on Reluctance Motor Characteristics

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  • リラクタンスモータ性能に及ぼすコア素材磁気特性の影響
  • リラクタンスモータ セイノウ ニ オヨボス コア ソザイ ジキ トクセイ ノ エイキョウ

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The relations between reluctance motor characteristics and the magnetic properties of core materials are quantitatively investigated using equivalent circuit. High saturation magnetizations are required for core materials. Low iron loss materials are used as stator cores and SRM rotor core. High harmonic frequency is generated even in synchronous RM and then copper losses and iron losses increase. In IPM, reluctance forces are reduced by permanent magnet fluxes superposed in cores, but the force reduction is little in the case of IPM with ferite magnets. The magnetic anisotropic energies of core materials may increase reluctance force if the core materials are used near saturation magnetizations.

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