Once the motor reaches near design operating speed, the centrifugal switch activates, opening the contacts and disconnecting the startup winding from the power source.
一旦电机达到接近设计运行转速，离心开关开始动作，关断启动绕组与电网之间的连接。
In this paper, we introduce how to use 8031 singal-chip microcomputer to test the off -state rotational speed of centrifugal switch in a singal phase electrical machinery.
提出一种以8031单片机为基础的单相电机离心开关断开转速测试系统。
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