TORQUE RIPPLE REDUCTION IN ELECTRIC MACHINES

TORQUE RIPPLE REDUCTION IN ELECTRIC MACHINES

  • CN 104,578,472 A
  • Filed: 10/17/2014
  • Published: 04/29/2015
  • Est. Priority Date: 10/18/2013
  • Status: Active Application
First Claim
Patent Images

1. a motor, it has X phase place, comprising:

  • Stator module, it comprises stator core, and described stator core comprises multiple stator tooth, described stator module is also configured with stator winding, to produce stator field when encouraging with alternating current, and axis extends with the inner surface limiting cavity along the longitudinal, and described stator module has M groove;

    AndRotor assembly, it is arranged on described cavity inside, and is configured to around described longitudinal axis and rotates, and described rotor assembly has N number of pole, and wherein said rotor assembly comprises;

    Axle;

    The rotor core core that circumference positions around described axle;

    AndMultiple permanent magnet, it is arranged between stack portion, and is configured to produce magnetic field, and described magnetic field and described stator field interact, to produce moment of torsion, andAnd wherein said motor comprises permanent magnetism in spoke type (IPM) motor, and be configured so that value k=M/ (X*N), wherein k is the non-integer of >

    about 1.3.

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