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单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,themegallery,*,单击此处编辑母版标题样式,LOGO,2023-8-28,10KV开关柜控制原理,themegallery,控制器件,分闸合闸,防跳原理,继电保护,章节,themegallery,常开,(,动合,),按钮,电路符号,SB,1-1 把握器件-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,themegallery,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 把握器件-按钮,themegallery,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 把握器件-微动和帮助开关,结构与按钮类似,,但其动作要由机械撞击。,themegallery,继电器和接触器的工作原理一样。主要区分在于,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,继电器只能用于把握电路中。,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 把握器件-继电器类型,themegallery,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 把握器件-接触器、继电器有关符号,themegallery,1-6 把握器件-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,themegallery,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:,themegallery,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,themegallery,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,themegallery,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,themegallery,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,themegallery,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,themegallery,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,themegallery,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,themegallery,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,储能完成进展合闸,themegallery,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,themegallery,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,开关帮助接点变换,红灯亮,QF,断开,S1,闭合,QF,闭合,themegallery,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,开关帮助接点变换,红灯亮,QF,接通,断路器合位指示灯亮,themegallery,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,themegallery,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,themegallery,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。,themegallery,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,themegallery,QF,3-1 防止开关跳动原理,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,themegallery,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 防止开关跳动原理,themegallery,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 防止开关跳动原理,themegaller
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