Brushless DC motor (BLDC) with permanent magnet excitation, in which electrical commutation is used instead of mechanical, has the same good characteristics of speed control as traditional DC motor.
无刷直流电动机利用电子换相代替机械换相，不但具有直流电动机的调速性能，而且体积小效率高，在许多领域已得到了广泛应用。
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