1756-RM2XT

1756-RM2XT

1756-RM2XT

       该线路控制的是一台双速电动机，一般的人对它不是很理解。电动机型号为YD123M-4/2，6.5/8KW，△/Y。根据型号解读；该电机具有二种速度即4极和2极，在4极速度下，电动机的功率为6.5KW，绕组为三角形接法。如果在2极的速度下，电动机的功率为8KW，绕组为双星接法。该电动机共有6接线头，三角形接时（低速）电源由U1、V1、W1接入，其余接头U2、V2、W2为悬空。星接时（高速）将接线头U1、V1、W1接成星点形成了双星点，三相电源则由U2、V2、W2输入（电动机接线图详上图所示）。该线路要求；电机可以在低速、高速状态下择其一运行。而在高速运行时则按低速启动再转为高速运行。自己可根据电原理图进行分析。

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