With the floating impeller structure design, bring down the motor start and running load.

浮动叶轮结构设计，降低了电机启动及运行负载。

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Do not frequently switch motor, This is because the pump will stop to have a return, if an immediate start, will start the electrical load, resulting in excessive current and start winding burn.

不要频繁地开关电机，这是因为电泵停转时会产生回流，若立即开机，会使电机负载启动，导致启动电流过大而烧坏绕组。

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The research of keeping the steady operation of motors under various states of start, normal operation, over load for positionless sensor brushless DC motor is analyzed here.

文章就无位置传感器无刷直流电机的起动、正常工作、过载等状态下如何保持电机稳定运行进行了分析。

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