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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