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,2021/7/26,*,*,Reading Fun,Sub topics go here,2021/7/26,*,(最新整理)实训15有变压器桥式整流能耗制动的制动控制线路,2021/7/26,1,(最新整理)实训15有变压器桥式整流能耗制动的制动控制线路2,课题,：,安装与检修有变压器桥式整流能耗制动控制线路,1、何为制动？所谓制动，就是给电动机一个与转动方向相反的转矩使它迅速停转。,2、制动的方法有哪几类？,有两类：机械制动和电力制动。,2021/7/26,2,课题：安装与检修有变压器桥式整流能耗制动控制线路1、何为制,3、何为电力制动？电动机产生一个和电动机实际旋转方向相反的电磁转矩，使电动机迅速停转。,4、电力制动的分类？,四类：反接制动、能耗制动、,电容制动、再生发电制动。,2021/7/26,3,3、何为电力制动？电动机产生一个和电动机实际旋转方向相反的电,能耗制动,电动机切断交流电源后，立即在定子线组的任意两相中通入直流电，利用转子感应电流受静止磁场的作用以达到制动目的。,2021/7/26,4,能耗制动2021/7/264,2021/7/26,5,2021/7/265,L1L2L3,有变压器桥式整流能耗制动控制线路,FU2,KH,SB1,KM1,SB2,KM1,KM2,KT,KT,KT,KM2,KM2,KM1,M,3,FU1,KM1,QS,FU3,VC,TC,KH,R,KM2,V,U,W,3,KM2,2021/7/26,6,L1L2L3有变压器桥式整流能耗制动控制线路FU2KHSB1,FU2,SB1,KM1,SB2,KM1,KM2,KT,KT,KT,KM2,KM2,KM1,L1L2L3,FU1,KM1,QS,FU3,VC,TC,R,KM2,V,U,W,3,KM2,有变压器桥式整流能耗制动控制线路,合上电源开关QS,按下SB1,KM1线圈得电,KH,M,3,KH,2021/7/26,7,FU2SB1KM1SB2KM1KM2KTKTKTKM2KM2,FU2,SB1,KM1,SB2,KM1,KM2,KT,KT,KT,KM2,KM2,KM1,L1L2L3,FU1,KM1,QS,FU3,VC,TC,R,KM2,V,U,W,3,KM2,有变压器桥式整流能耗制动控制线路,KM1自锁触头闭合,KM1主触头闭合,KM1联锁触头分断,松开SB1,KH,M,3,KH,2021/7/26,8,FU2SB1KM1SB2KM1KM2KTKTKTKM2KM2,FU2,SB1,KM1,SB2,KM1,KM2,KT,KT,KT,KM2,KM2,KM1,L1L2L3,FU1,KM1,QS,FU3,VC,TC,R,KM2,V,U,W,3,KM2,有变压器桥式整流能耗制动控制线路,按下SB1,KM1线圈失电,KM1自锁触头分断,KM1主触头分断,KM1联锁触头闭合,KM2线圈得电,KT线圈得电,KH,M,3,KH,2021/7/26,9,FU2SB1KM1SB2KM1KM2KTKTKTKM2KM2,FU2,SB1,KM1,SB2,KM1,KM2,KT,KT,KT,KM2,KM2,KM1,L1L2L3,FU1,KM1,QS,FU3,VC,TC,R,KM2,V,U,W,3,KM2,有变压器桥式整流能耗制动控制线路,KM2自锁触头闭合,KM2主触头分断闭合,电动机半波能耗制动,KM2联锁触头分断,KT瞬时闭合触头闭合,松开SB1,KH,M,3,KH,2021/7/26,10,FU2SB1KM1SB2KM1KM2KTKTKTKM2KM2,FU2,SB1,KM1,SB2,KM1,KM2,KT,KT,KT,KM2,KM2,KM1,L1L2L3,FU1,KM1,QS,FU3,VC,TC,R,KM2,V,U,W,3,KM2,有变压器桥式整流能耗制动控制线路,KT延时断开触头延时分断,KM2线圈失电,KT线圈失电,各触头复位,KH,M,3,KH,2021/7/26,11,FU2SB1KM1SB2KM1KM2KTKTKTKM2KM2,2021/7/26,12,2021/7/2612,