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Permanent magnet embedded type rotor for rotating electrical machine and rotating electrical machine having permanent magnet embedded type rotor
Permanent magnet embedded type rotor for rotating electrical machine and rotating electrical machine having permanent magnet embedded type rotor
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机译:用于旋转电机的永磁体嵌入式转子以及具有永磁体嵌入式转子的旋转电机
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摘要
A permanent magnet embedded type rotating electrical machine includes a rotor includes a rotor core formed by a plurality of laminated magnetic steel plates and a plurality of permanent magnets and a stator. Each magnetic steel plate has a plurality of pairs of magnet holes, pairs of joining portions and peninsula portions. The magnet holes of each pair are disposed at positions adjacent to an outer periphery of the magnetic steel plate so as to form a V-shape that is divergent toward the outer periphery. The joining portion is configured to connect the magnet hole with a circumference of the peninsula portion. A distance between a center of the rotor core and at least one of a pair of ends of the circumference of the peninsula portion is smaller than a distance between the center and an intersection of a d-axis of the rotor and the circumference.
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