无刷直流电机是一种没有机械换向器和电刷的直流电机。
The no-brush direct current electromotor is a kind of direct current electromotor without any mechanical commutator or brush.
指出了直流电机电刷损坏是影响直流电机正常运行的主要原因之一，分析了直流电机电刷损坏的原因，并提出了预防措施。
The breakdown of the DC motor brush is one of the main reasons to the disruption of motor operation. This article analyzes the reasons of DC motor brush damage and gives some ways for precaution.
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