Brushless DC motor (BLDC) with permanentmagnetexcitation, in which electrical commutation is used instead of mechanical, has the same good characteristics of speed control as traditional DC motor.
Hybrid stepping motor rotor with permanent magnets, excitation and produced by permanentmagnet electromagnetic torque realize stepping operation.
混合式步进电机的转子用永久磁钢,由励磁和永磁产生的电磁力矩实现步进运行。
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Compared with other motors, PermanentMagnet Synchronous motor (PMSM) has the advantages of low inertia, high torque-current ratio, low noise, no excitation loss.