10KV开关柜二次原理图详解

Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,10KV,开关柜控制原理,常开,(,动合,),按钮,电路符号,SB,1-1,控制器件,-,按钮,常闭,(,动断,),按钮,电路符号,SB,复合按钮：,常开按钮和,常闭按钮做在一起。,复合按钮,SB,常开,(,动合,),按钮,电路符号,SB,常闭,(,动断,),按钮,电路符号,SB,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,常开（动合）触头,常闭（动断）触头,电路符号,S,和,QF,电路符号,S,和,QF,用作电路的限位保护、行程控制、自动切换等。,1-3,控制器件,-,微动和辅助开关,结构与按钮类似，,但其动作要由机械撞击。,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。,继电器类型,中间继电器,电压继电器,热继电器（做过载保护）,时间继电器（具有延时功能）,电流继电器, ,1-4,控制器件,-,继电器类型,接触器控制对象：电动机及其它电力负载。,接触器技术指标：额定工作电压、电流、触点,数目,。,线圈,KM,常 开,常 闭,辅助触头用于控制电路,（流过的电流小，无需加灭 弧装置）,KM,接触器主触头用于主电路,（流过的电流大，需加灭弧装 置）,KM,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,瞬时动作,常闭触点,常开触点,通电延时式,常闭,通电后延时断开,常开,通电后延时闭合,断电延时式,常闭,断电后延时闭合,常开,断电后延时断开,1,首先了解工艺过程及控制要求；,2,搞清控制系统中各电机、电器的作用以及它们的控制关系；,3,控制电路中，根据控制要求按自上而下、自左而右的顺序进行读,图或设计；,4,原理图上所有电器，必须按国家统一符号标注，且均按未通电状,态表示；,5,继电器、接触器的电压线圈只能并联，不能串联；,6,控制顺序只能由控制电路实现，不能由主电路实现。,1-7,控制器件,-,继电接触控制电路读图和设计中,应注意的问题：,L+,L-,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,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,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,L+,L-,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,QF,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,2-2,分闸合闸,-,回路加电,合上,QA1,2-3,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,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,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,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,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,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,