Motor is an electromagnetic device which achieves conversion between mechanical energy and electric energy via the magnetic field.电动机是一种电磁设备，可通过磁场在机械能和电能之间进行转换。 The air gap magnetic field for electromechanical energy conversion can be obtained by applying the electric current to motor's excitation winding or utilize permanent magnet.机电能量转换的气隙磁场可以通过将电流施加到电动机的励磁绕组或使用永磁体来获得。 永磁电动机 refer to those motors which utilize permanent magnetic field to instead excitation windings.指那些利用永久磁场代替励磁绕组的电动机。 Besides simplified rotor structure, permanent magnet excitation can also decrease power consumption and enhance the running performance of the motor.除了简化的转子结构外，永磁励磁还可以降低功耗并增强电动机的运行性能。 Two-thirds of the rare earth permanent magnet are applied to manufacture various kinds of permanent magnet motors nowadays.如今，三分之二的稀土永磁体用于制造各种永磁电动机。 Permanent magnet motors are mainly composed of the rotor and stator.永磁电动机主要由转子和定子组成。 The rotor and stator act as the moving and stationary part in the electric generator or electric motor, respectively.转子和定子分别充当发电机或电动机中的运动和静止部分。 Besides conventional motor magnets, SDM Magnetics has also collected much experience in magnetic motor assemblies include除了传统的电动机磁铁外，SDM Magnetics还积累了许多电磁电动机组装方面的经验，包括 电磁转子组件 和 磁性定子组件.
