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TSXCAY22 1、回路送电操作顺序
1)合上三相隔离开关QS;
2)合上主回路断路器QF ;
3)合上控制回路熔断器FU1, FU2.
2、启动运转按下启动按钮ST,其动合融点闭合,电源L1相-》控制回路熔断器FU1-》1号线一启动 ,按钮ST动合触点(按下时闭合)-》3号线-接触器KM线園-》2号线-》控制回路熔断器 FU2-》L3相,接触器KM线圈两端构成380V的工作电压。
接触器KM线園获得380V电压动作,接触器KM三个主触点同时闭合,电动机M绕组获得三相380V交流电源,电动机M运转,驱动机械设备工作。手离开启动按钮ST时, ST的动合触点断开,切断接触器KM线圈电路,接触器KM线圈断电,接触器KM释放,接触器KM三个主触点同时断开,电动机M绕组脱离三相 380V交流电源,停止转动,驱动的机械设备停止运行。
操作方法:
按下按钮ST,其动合触点闭合,电动机启动运转。手离开启动按钮ST,其动合触点断开,电动机停止运转。
TSXCAY22
TSXCAY22
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