KV环网柜控制原理.ppt

, 2012-03-02 ,10KV环网柜控制原理,,章节,,1-1 控制器件-按钮,,复合按钮： 常开按钮和 常闭按钮做在一起。,复合按钮,SB,1-2 控制器件-按钮,,1-3 控制器件-微动和辅助开关,,继电器和接触器的工作原理一样。主要区别在于，接触器的主触头可以通过大 电流，而继电器的 触头只能通过小电流。所以，继电器只能用于控制电路中。,1-4 控制器件-继电器类型,,1-5 控制器件-接触器、继电器有关符号,,1-6 控制器件-时间继电器类型,,,2-1 分闸合闸-初始状态,QA1断开,SA置于就地1、2接通,开关在运行位置S9接通（试验位置S8接通）,储能弹簧未储能,,2-2 分闸合闸- 回路加电,合上QA1,,2-3 分闸合闸-回路加电,合上QA1,Y1得电,,2-4 分闸合闸-回路加电,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,S2闭合,Y1得电,,2-5 分闸合闸-回路加电,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,Y1得电,S2闭合,绿灯亮,,2-6 分闸合闸-储能,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,S2闭合,储能电机得电,Y1得电,绿灯亮,,2-7 分闸合闸-储能中,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,S2闭合,储能弹簧拉伸中,Y1得电,绿灯亮,,2-8 分闸合闸-储能完成后,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,S2闭合,储能电机停转,S1闭合,S3闭合,S3断开,S2断开,黄灯亮,Y1得电,绿灯亮,储能完成进行合闸,,2-9 分闸合闸-合闸中,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,S2闭合,储能电机停转,S1闭合,S3闭合,S3断开,S2断开,黄灯亮,Y1得电,绿灯亮,合闸线圈得电,,KO,绿灯灭,QF,2-10 分闸合闸-真空开关合上后,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,S2闭合,储能电机停转,S3闭合,S3断开,S2断开,黄灯亮,Y1得电,合闸线圈失电,QF,开关辅助接点变换,红灯亮,QF断开,S1闭合,QF闭合,,QF,2-11 分闸合闸-真空开关合上后机械能量释放,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,S2闭合,储能电机运转储能,S1断开,S3闭合,S3接通,S2接通,黄灯灭,Y1得电,绿灯灭,合闸线圈失电,QF,开关辅助接点变换,红灯亮,QF接通,断路器合位指示灯亮,,QF,2-12 分闸合闸-储能电机重新运转储能后,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,储能电机停转,S3断开,S2断开,QF,S1接通,黄灯亮,,QF,2-13 分闸合闸-分闸,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,QF,按下SB2,,QF,2-14 分闸合闸-分闸中,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,TQ,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,QF,TQ得电开关分闸,在开关合闸过程中分闸弹簧已经被拉伸储能。,,QF,2-15 分闸合闸-分闸后,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,TQ,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,QF,QF接通,绿灯亮,,QF,3-1 防止开关跳跃原理,S2,S3,QA1,QA1,PML,SB1,KO,QF,HQ,KO,L+,L-,10KV,负载,A,B,C,按下SB1,10KV真空开关,,QF,S2,S3,QA1,QA1,PML,SB1,KO,QF,HQ,KO,L+,L-,10KV,负载,A,B,C,10KV真空开关,HQ得电,按下SB1,3-2 防止开关跳跃原理,,KO,4,QF,S2,S3,QA1,QA1,PML,SB1,QF,HQ,KO,L+,L-,真空开关合上,10KV,负载,A,B,C,QF接通,KO得电,1,2,QF断开,按下SB1,3-3 防止开关跳跃原理,,QF,S2,S3,QA1,QA1,PML,SB1,KO,QF,HQ,KO,L+,L-,真空开关合上,10KV,负载,A,B,C,QF接通,KO得电,KO1、4接通,1,2,4,QF断开,按下SB1,3-4 防止开关跳跃原理,,QF,S2,S3,QA1,QA1,PML,SB1,KO,QF,HQ,KO,L+,L-,10KV,负载,A,B,C,1,2,4,同时由于机构或负载有故障。在操作时造成开关合不上或事故跳闸,按下SB1时间过长或无法返回时,3-5 防止开关跳跃原理,,QF,S2,S3,QA1,QA1,PML,SB1,KO,QF,HQ,KO,L+,L-,同时由于机构或负载有故障。在操作时造成开关合不上或事故跳闸,10KV,负载,A,B,C,QF断开,KO持续供电,仍然保持回路接通,1,2,4,QF接通,按下SB1时间过长或无法返回时,HQ无法得到电压，开关不能再次合闸，防止了开关的多次分合,3-6 防止开关跳跃原理,,QF,4-1 继电保护-过流,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,QF,速断,过流,备用,重瓦斯接点,重瓦斯跳闸,,QF,4-2 继电保护-过流,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,QF,当线路电流和时间超过过流整定值时,203,204,205,206,,SEL,205,QF,4-3 继电保护-过流,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,QF,203,204,206,SEL的205-206接通,KCO得电,,SEL,205,QF,4-4 继电保护-过流,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,TQ,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,QF,203,204,206,SEL的205-206接通,KCO得电,KCO闭合,TQ得电,,SEL,205,QF,4-5 继电保护-开关跳闸,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,QF,203,204,206,SEL的205-206返回,开关的辅助接点全部转换,绿灯亮,红灯灭,断路器合位指示灯灭,KCO失电,KCO断开,,QF,3-6 继电保护-速断,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,QF,当线路电流和时间超过速断整定值时SEL的203-204接通动作过程用过流,203,204,205,206,,QF,4-7 继电保护-重瓦斯,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,QF,HQ,KO,QF,L+,L-,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,QF,当变压器内部发生故障时WS接通,203,204,205,206,,QF,4-8 继电保护-重瓦斯,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,