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MAGNET TYPE ROTOR, ROTARY ELECTRIC MACHINE PROVIDED WITH MAGNET TYPE ROTOR, AND ELECTRIC AUTOMOBILE PROVIDED WITH ROTARY ELECTRIC MACHINE
MAGNET TYPE ROTOR, ROTARY ELECTRIC MACHINE PROVIDED WITH MAGNET TYPE ROTOR, AND ELECTRIC AUTOMOBILE PROVIDED WITH ROTARY ELECTRIC MACHINE
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机译:磁铁型转子,具有磁铁型转子的旋转电机以及具有该旋转电机的电动汽车
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摘要
Provided is a permanent magnet-type rotary electric machine which reduces torque ripples which are generated when powered up and cause noises and vibrations of a rotary electric machine. The rotary electric machine includes a stator having a stator winding and a rotor which is rotatably disposed to the stator and provided with a plurality of magnets. In a magnetic auxiliary salient pole formed between poles of the magnets provided in the rotor, a cogging torque is reduced and torque ripples generated when powered up are reduced by combining a magnetic cavity provided on a q axis passing through the center of the salient pole and a skewing in which a plurality of block cores are stacked and connected as a unit while deviating by a predetermined angle in a peripheral direction of the axis of the rotor.
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