A20B-2001-0850FUANC

1．在电动机的控制线路中串入自耦变压器，使起动时定子绕组上得到自耦变压器的二次电压，起动完毕后切除自耦变压器，额定电压直接加于定子绕组，电动机进入全压正常工作。

2．工作过程
合上QS，按下SB2，KT、KM1线圈通电吸合，KT瞬时触头闭合实现自锁，KM1主触点闭合，电动机M取用自耦变压器二次电压减压起动。
KT延时时间到，延时断开常闭触点断开，KM1失电；延时闭合常开触点闭合，KM2得电，电动机直接接入电网全压运行，完成起动。
武汉路易达自动化设备有限公司
联系人：李先生
电话：
固话：
传真：
:505528191
地址：武汉市东西湖区走马岭汇通公路港
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