10KV开关柜原理(1).ppt

《10KV开关柜原理(1).ppt》由会员分享，可在线阅读，更多相关《10KV开关柜原理(1).ppt（41页珍藏版）》请在得力文库 - 分享文档赚钱的网站上搜索。

1、,2008-2-21,10KV开关柜控制原理,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

2、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,Q

3、F,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

4、,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,

5、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,S3,1

6、HL2,2HL2,3HL2,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,SE

7、L,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,

8、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

9、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,

10、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

11、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,P

12、ML,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

13、,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,

14、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,P

15、ML,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,S

16、EL,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

17、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

18、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,PML,PML,SB1,SB2,KO,QF,HQ,

19、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,KA1得电,QF,4-9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,TQ,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB

20、3,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,KA1得电,KA1接点闭合,TQ得电,SEL,205,QF,4-10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,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,KA1断开,结束,