三相异步电动机的降压启动控制线路_教学-课件

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,11/7/2009,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,三相异步电动机的降压启动控制线路_教学-PPT课件,三相异步电动机的降压启动控制线路_教学-PPT课件,M,3,L1L2L3,FU1,FU2,KM1,KM2,FR,SB1,SB2,KM1,KM2,KM1,KM2,FR,U,V,W,QS,KM2,KT,KM1,2.时间继电器控制串联电阻降压启动,KT,ML1L2L3FU1FU2KM1KM2FRSB1SB2KM1,L1L2L3,FU1,FU2,KM1,KM2,SB1,SB2,KM1,KM2,KM1,KM2,U,V,W,QS,KM2,KT,KM1,合上电源开关QS,M,3,FR,FR,2.时间继电器控制串联电阻降压启动,KT,L1L2L3FU1FU2KM1KM2SB1SB2KM1KM2,L1L2L3,FU1,FU2,KM1,KM2,SB1,SB2,KM1,KM2,KM1,KM2,U,V,W,QS,KM2,KT,KM1,降压启动:,按下SB1,KM1线圈得电,M,3,FR,FR,2.时间继电器控制串联电阻降压启动,KT,L1L2L3FU1FU2KM1KM2SB1SB2KM1KM2,L1L2L3,FU1,FU2,KM1,KM2,SB1,SB2,KM1,KM2,KM1,KM2,U,V,W,QS,KM2,KT,KM1,松开SB1,继续电动机降压启动,M,3,FR,FR,2.时间继电器控制串联电阻降压启动,KT,L1L2L3FU1FU2KM1KM2SB1SB2KM1KM2,L1L2L3,FU1,FU2,KM1,KM2,SB1,SB2,KM1,KM2,KM1,KM2,U,V,W,QS,KM2,KT,KM1,KT延时闭合,KM2线圈得电,M,3,FR,FR,2.时间继电器控制串联电阻降压启动,KT,L1L2L3FU1FU2KM1KM2SB1SB2KM1KM2,L1L2L3,FU1,FU2,KM1,KM2,SB1,SB2,KM1,KM2,KM1,KM2,U,V,W,QS,KM2,KT,KM1,KM2 联锁触头断开,对KM1联锁,KM1线圈失电,M,3,FR,FR,2.时间继电器控制串联电阻降压启动,KT,L1L2L3FU1FU2KM1KM2SB1SB2KM1KM2,L1L2L3,FU1,FU2,KM1,KM2,SB1,SB2,KM1,KM2,KM1,KM2,U,V,W,QS,KM2,KT,KM1,KM2 自锁触头闭合,自锁,KM2主触头闭合,电阻被短路,M,3,FR,FR,2.时间继电器控制串联电阻降压启动,KT,L1L2L3FU1FU2KM1KM2SB1SB2KM1KM2,L1L2L3,FU1,FU2,KM1,KM2,SB1,SB2,KM1,KM2,KM1,KM2,U,V,W,QS,KM2,KT,KM1,KM1自锁触头闭合,自锁,KM1主触头闭合,电动机降压启动KM1动合辅助触头闭合,KT线圈得电,M,3,FR,FR,2.时间继电器控制串联电阻降压启动,KT,L1L2L3FU1FU2KM1KM2SB1SB2KM1KM2,L1L2L3,FU1,FU2,KM1,KM2,SB1,SB2,KM1,KM2,KM1,KM2,U,V,W,QS,KM2,KT,KM1,KM1自锁触头断开,解除自锁,KM1主触头断开，电动机全压运行,KM1动合辅助触头断开,KT线圈失电,KT延时闭合触头瞬时断开,M,3,FR,FR,2.时间继电器控制串联电阻降压启动,KT,L1L2L3FU1FU2KM1KM2SB1SB2KM1KM2,L1L2L3,FU1,FU2,KM1,KM2,SB1,SB2,KM1,KM2,KM1,KM2,U,V,W,QS,KM2,KT,KM1,停：,按下SB2,M,3,FR,FR,2.时间继电器控制串联电阻降压启动,KT,L1L2L3FU1FU2KM1KM2SB1SB2KM1KM2,二、自耦变压器降压启动控制线路,自耦变压器降压启动：在电动机启动时利用,自耦变压器来降低加在电动机定子绕组上的启动,电压。待电动机启动后，再使电动机与自耦变压,器脱离，从而在全压下正常运行。,二、自耦变压器降压启动控制线路 自耦变压器降压启动：在电,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,FR,KM,3,QS,KM2,KT,KM1,KT,KM1,KM2,M,3,FR,3,KM3,KM1,TM,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,KM,3,QS,KM2,KT,KM1,KM1,KM2,KM3,KM1,合上电源开关QS,TM,FR,M,3,FR,3,KT,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,KM,3,QS,KM2,KT,KM1,KM1,KM2,KM3,KM1,按SB2,KM1线圈得电,TM,FR,M,3,FR,3,KT,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,KM,3,QS,KM2,KT,KM1,KM1,KM2,KM3,KM1,KM1联锁触头分断，对KM3联锁，KM1主触头闭合，自耦变压器TM联结成星形,KM1动合辅助触头闭合，KM2线圈得电，KT线圈得电,TM,FR,M,3,FR,3,KT,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,KM,3,QS,KM2,KT,KM1,KM1,KM2,KM3,KM1,KM2主触头闭合，电动机M接入电机降压启动,KM2动合辅助触头闭合，自锁，松开SB2,TM,FR,M,3,FR,3,KT,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,KM,3,QS,KM2,KT,KM1,KM1,KM2,KM3,KM1,KT延时断开的动断触头延时分断,KM1线圈失电,KT延时闭合的动合触头延时闭合,TM,FR,M,3,FR,3,KT,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,KM,3,QS,KM2,KT,KM1,KM1,KM2,KM3,KM1,KM1线圈失电KM1动合触头分断KM1主触头分断 电动机M失电惯性运行,KM1联锁触头闭合,TM,FR,M,3,FR,3,KT,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,KM,3,QS,KM2,KT,KM1,KM1,KM2,KM3,KM1,KM3线圈得电KM3 自锁触头闭合，自锁M3主触头闭合 电动机M全压运行,TM,FR,M,3,FR,3,KT,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,KM,3,QS,KM2,KT,KM1,KM1,KM2,KM3,KM1,KM3联锁触头分断 KM2线圈失电,KM2主触头分断,KM2自锁触头分断,TM,FR,M,3,FR,3,KT,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,KM,3,QS,KM2,KT,KM1,KM1,KM2,KM3,KM1,KT延时断开的动断触头瞬时闭合,KT延时闭合的动合触头瞬时断开,TM,FR,M,3,FR,3,KT,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,U1,V1,W1,KM3,SB2,KM1,KT,KM2,SB1,KM3,L1L2L3,FU1,FU2,KM,3,QS,KM2,KT,KM1,KM1,KM2,KM3,KM1,停：,按SB1,TM,FR,M,3,FR,3,KT,U1V1W1KM3SB2KM1KTKM2SB1KM3L1L2,电动机启动时，把电动机的定子绕组接成,星形，电动机定子绕组电压低于电源电压起,动，启动即将完毕时再恢复成三角形，电动机,便在额定电压下正常运行。,三、Y降压启动控制线路,电动机启动时，把电动机的定子绕组接成三、Y降压启动控,L1L2L3,FU1,FU2,KM,KM,SB1,SB2,KM,U,V,W,QS,KM,Y,KM,KM,Y,KM,KM,Y,KT,KM,电路组成分析,KM,Y,KT,M,3,FR,FR,2.时间继电器自动控制Y降压启动控制线路,Y-降压,启动控制线路,L1L2L3FU1FU2KMKMSB1SB2KMUVWQS,L1L2L3,FU1,FU2,KM,KM,SB1,SB2,KM,U,V,W,QS,KM,Y,KM,KM,Y,KM,KM,Y,KT,KM,合上电源开关QS,KM,Y,KT,M,3,FR,FR,2.时间继电器自动控制Y降压启动控制线路,Y-降压,启动控制线路,L1L2L3FU1FU2KMKMSB1SB2KMUVWQS,L1L2L3,FU1,FU2,KM,KM,SB1,SB2,KM,U,V,W,QS,KM,Y,KM,KM,Y,KM,KM,Y,KT,KM,降压启动:,按下SB1,KT线圈得电,KM,Y,线圈得电,KM,Y,KT,M,3,FR,FR,2.时间继电器自动控制Y降压启动控制线路,Y-降压,启动控制线路,L1L2L3FU1FU2KMKMSB1SB2KMUVWQS,L1L2L3,FU1,FU2,KM,KM,SB1,SB2,KM,U,V,W,QS,KM,Y,KM,KM,Y,KM,KM,Y,KT,KM,KM,Y,主触头闭合,KM,Y,动合辅助触头闭合,KM,Y,动断辅助触头断开,KM自锁触头闭合,KM主触头闭合,电动机降压启动,KM,Y,KT,M,3,FR,FR,2.时间继电器自动控制Y降压启动控制线路,Y-降压,启动控制线路,L1L2L3FU1FU2KMKMSB1SB2KMUVWQS,L1L2L3,FU1,FU2,KM,KM,SB1,SB2,KM,U,V,W,QS,KM,Y,KM,KM,Y,KM,KM,Y,KT,KM,松开SB1,电动机继续,降压启动,KM,Y,KT,M,3,FR,FR,2.时间继电器自动控制Y降压启动控制线路,Y-降压,启动控制线路,L1L2L3FU1FU2KMKMSB1SB2KMUVWQS,L1L2L3,FU1,FU2,KM,KM,SB1,SB2,KM,U,V,W,QS,KM,Y,KM,KM,Y,KM,KM,Y,KT,KM,KT延时断开的动断触头延时分断,KM,Y线圈失电,KM,Y主触头断开,KM,Y动合辅助触头断开,KM,Y动断辅助触头闭合,KM,主触头闭合,KM,动断辅助触头断开,KT线圈失电,电动机全压运行,KM,Y,KT,M,3,FR,FR,2.时间继电器自动控制Y降压启动控制线路,Y-降压,启动控制线路,L1L2L3FU1FU2KMKMSB1SB2KMUVWQS,L1L2L3,FU1,FU2,KM,KM,SB1,SB2,KM,U,V,