10kV開關(guān)柜控制原理

1、, 2012-9-11 ,10kV開關(guān)柜控制原理,章節(jié),1-1 控制器件-按鈕,復(fù)合按鈕： 常開按鈕和 常閉按鈕做在一起。,復(fù)合按鈕,SB,1-2 控制器件-按鈕,1-3 控制器件-微動(dòng)和輔助開關(guān),繼電器和接觸器的工作原理一樣。主要區(qū)別在于，接觸器的主觸頭可以通過大 電流，而繼電器的 觸頭只能通過小電流。所以，繼電器只能用于控制電路中。,1-4 控制器件-繼電器類型,1-5 控制器件-接觸器、繼電器有關(guān)符號(hào),1-6 控制器件-時(shí)間繼電器類型,2-1 分閘合閘-初始狀態(tài),QA1斷開,SA置于就地1、2接通,開關(guān)在運(yùn)行位置S9接通（試驗(yàn)位置S8接通）,儲(chǔ)能彈簧未儲(chǔ)能,2-2 分閘合閘- 回路加電,

2、合上QA1,2-3 分閘合閘-回路加電,合上QA1,Y1得電,2-4 分閘合閘-回路加電,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閉合,Y1得電,2-5 分閘合閘-回路加電,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,P

3、ML,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得電,S2閉合,綠燈亮,2-6 分閘合閘-儲(chǔ)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,Q

4、F,WS,KCO,SEL,KA1,IN,S2閉合,儲(chǔ)能電機(jī)得電,Y1得電,綠燈亮,2-7 分閘合閘-儲(chǔ)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閉合,儲(chǔ)能彈簧拉伸中,Y1得電,綠燈亮,2-8 分閘合閘-儲(chǔ)能完成后,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R

5、,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閉合,儲(chǔ)能電機(jī)停轉(zhuǎn),S1閉合,S3閉合,S3斷開,S2斷開,黃燈亮,Y1得電,綠燈亮,儲(chǔ)能完成進(jìn)行合閘,2-9 分閘合閘-合閘中,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-,Q

6、F,OFF,Y1,S9,S8,S2,S3,1HL2,2HL2,3HL2,M,SEL,SEL,SEL,XB1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,S2閉合,儲(chǔ)能電機(jī)停轉(zhuǎn),S1閉合,S3閉合,S3斷開,S2斷開,黃燈亮,Y1得電,綠燈亮,合閘線圈得電,KO,綠燈滅,QF,2-10 分閘合閘-真空開關(guān)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,X

7、B1,XB2,XB3,QF,WS,KCO,SEL,KA1,IN,S2閉合,儲(chǔ)能電機(jī)停轉(zhuǎn),S3閉合,S3斷開,S2斷開,黃燈亮,Y1得電,合閘線圈失電,QF,開關(guān)輔助接點(diǎn)變換,紅燈亮,QF斷開,S1閉合,QF閉合,QF,2-11 分閘合閘-真空開關(guān)合上后機(jī)械能量釋放,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,KA

8、1,IN,S2閉合,儲(chǔ)能電機(jī)運(yùn)轉(zhuǎn)儲(chǔ)能,S1斷開,S3閉合,S3接通,S2接通,黃燈滅,Y1得電,綠燈滅,合閘線圈失電,QF,開關(guān)輔助接點(diǎn)變換,紅燈亮,QF接通,斷路器合位指示燈亮,QF,2-12 分閘合閘-儲(chǔ)能電機(jī)重新運(yùn)轉(zhuǎn)儲(chǔ)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,儲(chǔ)能電機(jī)停轉(zhuǎn),S3斷開,S

9、2斷開,QF,S1接通,黃燈亮,QF,2-13 分閘合閘-分閘,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 分閘合閘-分閘中,IN,S1,S2,S3,QA1,QA1,2,1,5,6,SA,L,R,KA1,XB4,KCO,SEL,PML,PML,SB1,SB2,KO,

10、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得電開關(guān)分閘,在開關(guān)合閘過程中分閘彈簧已經(jīng)被拉伸儲(chǔ)能。,QF,2-15 分閘合閘-分閘后,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

11、,QF,WS,KCO,SEL,KA1,IN,QF,QF接通,綠燈亮,QF,3-1 防止開關(guān)跳躍原理,S2,S3,QA1,QA1,PML,SB1,KO,QF,HQ,KO,L+,L-,10KV,負(fù)載,A,B,C,按下SB1,10KV真空開關(guān),QF,S2,S3,QA1,QA1,PML,SB1,KO,QF,HQ,KO,L+,L-,10KV,負(fù)載,A,B,C,10KV真空開關(guān),HQ得電,按下SB1,3-2 防止開關(guān)跳躍原理,KO,4,QF,S2,S3,QA1,QA1,PML,SB1,QF,HQ,KO,L+,L-,真空開關(guān)合上,10KV,負(fù)載,A,B,C,QF接通,KO得電,1,2,QF斷開,按下SB1,

12、3-3 防止開關(guān)跳躍原理,QF,S2,S3,QA1,QA1,PML,SB1,KO,QF,HQ,KO,L+,L-,真空開關(guān)合上,10KV,負(fù)載,A,B,C,QF接通,KO得電,KO1、4接通,1,2,4,QF斷開,按下SB1,3-4 防止開關(guān)跳躍原理,QF,S2,S3,QA1,QA1,PML,SB1,KO,QF,HQ,KO,L+,L-,10KV,負(fù)載,A,B,C,1,2,4,同時(shí)由于機(jī)構(gòu)或負(fù)載有故障。在操作時(shí)造成開關(guān)合不上或事故跳閘,按下SB1時(shí)間過長(zhǎng)或無法返回時(shí),3-5 防止開關(guān)跳躍原理,QF,S2,S3,QA1,QA1,PML,SB1,KO,QF,HQ,KO,L+,L-,同時(shí)由于機(jī)構(gòu)或負(fù)載有

13、故障。在操作時(shí)造成開關(guān)合不上或事故跳閘,10KV,負(fù)載,A,B,C,QF斷開,KO持續(xù)供電,仍然保持回路接通,1,2,4,QF接通,按下SB1時(shí)間過長(zhǎng)或無法返回時(shí),HQ無法得到電壓，開關(guān)不能再次合閘，防止了開關(guān)的多次分合,3-6 防止開關(guān)跳躍原理,QF,4-1 繼電保護(hù)-過流,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,

14、SEL,KA1,IN,QF,速斷,過流,備用,重瓦斯接點(diǎn),重瓦斯跳閘,QF,4-2 繼電保護(hù)-過流,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,當(dāng)線路電流和時(shí)間超過過流整定值時(shí),203,204,205,206,SEL,205,QF,4-3 繼電保護(hù)-過流,IN,S1,S2,S3,QA1,QA1

15、,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得電,SEL,205,QF,4-4 繼電保護(hù)-過流,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

16、,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得電,KCO閉合,TQ得電,SEL,205,QF,4-5 繼電保護(hù)-開關(guān)跳閘,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,KC

17、O,SEL,KA1,IN,QF,203,204,206,SEL的205-206返回,開關(guān)的輔助接點(diǎn)全部轉(zhuǎn)換,綠燈亮,紅燈滅,斷路器合位指示燈滅,KCO失電,KCO斷開,QF,3-6 繼電保護(hù)-速斷,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,當(dāng)線路電流和時(shí)間超過速斷整定值時(shí)SEL的203-20

18、4接通動(dòng)作過程用過流,203,204,205,206,QF,4-7 繼電保護(hù)-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,當(dāng)變壓器內(nèi)部發(fā)生故障時(shí)WS接通,203,204,205,206,QF,4-8 繼電保護(hù)-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,Y