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    • 36. 发明申请
    • ROTOR OF PERMANENT-MAGNET-TYPE ROTATING ELECTRICAL MACHINE
    • 永磁式旋转电机的转子
    • US20100171385A1
    • 2010-07-08
    • US12377176
    • 2007-08-02
    • Kazuto SakaiMasanori Arata
    • Kazuto SakaiMasanori Arata
    • H02K21/14
    • H02K1/2766
    • A rotor of a permanent-magnet-type rotating electrical machine of the present invention has a plurality of magnetic poles in point symmetry with respect to a rotation center of a rotor core 2. For each of the magnetic poles, there are arranged a permanent magnet 3 whose product of a coercive force and a magnetizing direction thickness is small and a permanent magnet 4 whose product of a coercive force and a magnetizing direction thickness is large. The permanent magnet 3 whose product of a coercive force and a magnetizing direction thickness is small is irreversibly magnetized by a magnetic field created by a current of an armature coil 21, to change a total linkage flux amount. This realizes a wide-range variable-speed operation of high output, to provide the rotating electrical machine with a wide operating range and high efficiency.
    • 本发明的永磁式旋转电机的转子具有相对于转子铁心2的旋转中心点对称的多个磁极。对于每个磁极,设置有永久磁铁 矫顽力和磁化方向厚度的乘积小,矫顽力和磁化方向厚度乘积大的永磁体4。 矫顽力和磁化方向厚度的乘积小的永磁体3由于由电枢线圈21的电流产生的磁场而不可逆地磁化,以改变总的交链磁通量。 实现了高输出的宽范围变速运行,为旋转电机提供了广泛的运行范围和高效率。