10KV開(kāi)關(guān)柜二次原理圖詳解ppt課件

1、12常開(kāi)常開(kāi)(動(dòng)合動(dòng)合)按鈕按鈕電路符號(hào)電路符號(hào)SB1-1 控制器件控制器件-按鈕按鈕常閉常閉(動(dòng)斷動(dòng)斷)按鈕按鈕電路符號(hào)電路符號(hào)SB復(fù)合按鈕：復(fù)合按鈕： 常開(kāi)按鈕和常開(kāi)按鈕和 常閉按鈕做在一起。常閉按鈕做在一起。復(fù)合按鈕復(fù)合按鈕SB3常開(kāi)常開(kāi)(動(dòng)合動(dòng)合)按鈕按鈕電路符號(hào)電路符號(hào)SB常閉常閉(動(dòng)斷動(dòng)斷)按鈕按鈕電路符號(hào)電路符號(hào)SB復(fù)合按鈕：復(fù)合按鈕： 常開(kāi)按鈕和常開(kāi)按鈕和 常閉按鈕做在一起。常閉按鈕做在一起。復(fù)合按鈕復(fù)合按鈕SB1-2 控制器件控制器件-按鈕按鈕4常開(kāi)（動(dòng)合）觸頭常閉（動(dòng)斷）觸頭電路符號(hào)S和QF電路符號(hào)S和QF用作電路的限位保護(hù)、行程控制、自動(dòng)切換等。用作電路的限位保護(hù)、行程控

2、制、自動(dòng)切換等。1-3 控制器件控制器件-微動(dòng)和輔助開(kāi)關(guān)微動(dòng)和輔助開(kāi)關(guān) 結(jié)構(gòu)與按鈕類(lèi)似，但其動(dòng)作要由機(jī)械撞擊。5 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(guò)大電流，而繼電器的 觸頭只能通過(guò)小電流。所以，繼電器只能用于控制電路中。 繼電器類(lèi)型繼電器類(lèi)型中間繼電器電壓繼電器熱繼電器（做過(guò)載保護(hù)）時(shí)間繼電器（具有延時(shí)功能）電流繼電器 1-4 1-4 控制器件控制器件- -繼電器類(lèi)型繼電器類(lèi)型6接觸器控制對(duì)象：電動(dòng)機(jī)及其它電力負(fù)載。接觸器技術(shù)指標(biāo)：額定工作電壓、電流、觸點(diǎn)數(shù)目。線圈KM常 開(kāi)常 閉輔助觸頭用于控制電路（流過(guò)的電流小，無(wú)需加滅 弧裝置）KM接觸器主觸頭用于主電路

3、（流過(guò)的電流大，需加滅弧裝 置）KM1-5 控制器件-接觸器、繼電器有關(guān)符號(hào)71-6 控制器件控制器件-時(shí)間時(shí)間繼電器類(lèi)型繼電器類(lèi)型瞬時(shí)動(dòng)作常閉觸點(diǎn)常開(kāi)觸點(diǎn)通電延時(shí)式常閉常閉 通電后延時(shí)斷開(kāi)常開(kāi)常開(kāi) 通電后延時(shí)閉合斷電延時(shí)式常閉常閉 斷電后延時(shí)閉合常開(kāi)常開(kāi) 斷電后延時(shí)斷開(kāi)81首先了解工藝過(guò)程及控制要求；首先了解工藝過(guò)程及控制要求；2搞清控制系統(tǒng)中各電機(jī)、電器的作用以及它們的控制關(guān)系；搞清控制系統(tǒng)中各電機(jī)、電器的作用以及它們的控制關(guān)系；3控制電路中，根據(jù)控制要求按自上而下、自左而右的順序進(jìn)行讀控制電路中，根據(jù)控制要求按自上而下、自左而右的順序進(jìn)行讀圖或設(shè)計(jì)；圖或設(shè)計(jì)；4原理圖上所有電器，必須按國(guó)

4、家統(tǒng)一符號(hào)標(biāo)注，且均按未通電狀原理圖上所有電器，必須按國(guó)家統(tǒng)一符號(hào)標(biāo)注，且均按未通電狀態(tài)表示；態(tài)表示；5繼電器、接觸器的電壓線圈只能并聯(lián)，不能串聯(lián)；繼電器、接觸器的電壓線圈只能并聯(lián)，不能串聯(lián)；6控制順序只能由控制電路實(shí)現(xiàn)，不能由主電路實(shí)現(xiàn)。控制順序只能由控制電路實(shí)現(xiàn)，不能由主電路實(shí)現(xiàn)。 9L+L-INS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQ KOQFQFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQA1斷開(kāi)SA置于就地1、2接通開(kāi)關(guān)在運(yùn)行位置S9接通（試驗(yàn)位

5、置S8接通）儲(chǔ)能彈簧未儲(chǔ)能10L+L-INS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQ KOQFQFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1IN合上QA111INS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1IN合上QA1Y1得電12INS1S2S3QA1QA12156S

6、ALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS2閉合Y1得電13INS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INY1得電S2閉合綠燈亮14INS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KO

7、QFQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS2閉合儲(chǔ)能電機(jī)得電Y1得電綠燈亮15INS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS2閉合儲(chǔ)能彈簧拉伸中Y1得電綠燈亮16INS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQ KOQFL+

8、L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS2閉合儲(chǔ)能電機(jī)停轉(zhuǎn)S1閉合S3閉合S3斷開(kāi)S2斷開(kāi)黃燈亮Y1得電綠燈亮儲(chǔ)能完成進(jìn)行合閘17INS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS2閉合儲(chǔ)能電機(jī)停轉(zhuǎn)S1閉合S3閉合S3斷開(kāi)S2斷開(kāi)黃燈亮Y1得電綠燈亮合閘線圈得電18KO綠燈滅QFINS1S2S3QA1QA121

9、56SALRKA1XB4KCOSELPMLPMLSB1SB2QFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS2閉合儲(chǔ)能電機(jī)停轉(zhuǎn)S3閉合S3斷開(kāi)S2斷開(kāi)黃燈亮Y1得電合閘線圈失電QF開(kāi)關(guān)輔助接點(diǎn)變換紅燈亮QF斷開(kāi)S1閉合QF閉合19QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INS2閉合儲(chǔ)能電機(jī)運(yùn)轉(zhuǎn)

10、儲(chǔ)能S1斷開(kāi)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(kāi)關(guān)輔助接點(diǎn)變換紅燈亮QF接通斷路器合位指示燈亮20QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1IN儲(chǔ)能電機(jī)停轉(zhuǎn)S3斷開(kāi)S2斷開(kāi)QFS1接通黃燈亮21QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL

11、2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQF按下SB222QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFTQY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQFTQ得電開(kāi)關(guān)分閘 在開(kāi)關(guān)合閘過(guò)程中分閘彈簧已經(jīng)被拉伸儲(chǔ)能。23QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFTQY1S9S8S2S31HL22HL23HL2MSELSELSELX

12、B1XB2XB3QFWSKCOSELKA1INQFQF接通綠燈亮24QFS2S3QA1QA1PMLSB1KOQFHQ KOL+L-10KV負(fù)載ABC按下SB110KV真空開(kāi)關(guān)25QFS2S3QA1QA1PMLSB1KOQFHQ KOL+L-10KV負(fù)載ABC10KV真空開(kāi)關(guān)HQ得電按下SB126KO4QFS2S3QA1QA1PMLSB1QFHQ KOL+L-真空開(kāi)關(guān)合上10KV負(fù)載ABCQF接通KO得電12QF斷開(kāi)按下SB127QFS2S3QA1QA1PMLSB1KOQFHQ KOL+L-真空開(kāi)關(guān)合上10KV負(fù)載ABCQF接通KO得電KO1、4接通124QF斷開(kāi)按下SB128QFS2S3QA1

13、QA1PMLSB1KOQFHQ KOL+L-10KV負(fù)載ABC124 同時(shí)由于機(jī)構(gòu)或負(fù)載有故障。在操作時(shí)造成開(kāi)關(guān)合不上或事故跳閘按下SB1時(shí)間過(guò)長(zhǎng)或無(wú)法返回時(shí)29QFS2S3QA1QA1PMLSB1KOQFHQ KOL+L- 同時(shí)由于機(jī)構(gòu)或負(fù)載有故障。在操作時(shí)造成開(kāi)關(guān)合不上或事故跳閘10KV負(fù)載ABCQF斷開(kāi)KO持續(xù)供電仍然保持回路接通124QF接通按下SB1時(shí)間過(guò)長(zhǎng)或無(wú)法返回時(shí)HQ無(wú)法得到電壓，開(kāi)關(guān)不能再次合閘，防止了開(kāi)關(guān)的多次分合30QF4-1 繼電保護(hù)-過(guò)流INS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFOFF

14、Y1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQF速斷過(guò)流備用重瓦斯接點(diǎn)重瓦斯跳閘31QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQF當(dāng)線路電流和時(shí)間超過(guò)過(guò)流整定值時(shí)20320420520632SEL205QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L

15、-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELXB1XB2XB3QFWSKCOSELKA1INQF203204 206SEL的205-206接通KCO得電33SEL205QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFTQY1S9S8S2S31HL22HL23HL2MSELSELXB1XB2XB3QFWSKCOSELKA1INQF203204 206SEL的205-206接通KCO得電KCO閉合TQ得電34SEL205QFINS1S2S3QA1QA12156SALRKA1XB4KCOSEL

16、PMLPMLSB1SB2KOQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELXB1XB2XB3QFWSKCOSELKA1INQF203204 206SEL的205-206返回開(kāi)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(kāi)35QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQF當(dāng)線路電流和時(shí)間超過(guò)速斷整定值時(shí)SEL的203-20

17、4接通動(dòng)作過(guò)程用過(guò)流20320420520636QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQF當(dāng)變壓器內(nèi)部發(fā)生故障時(shí)WS接通20320420520637QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFOFFY1S9S8S2S31HL22HL23HL2MSELSELSELXB1XB2XB3QFWSKCOSELKA1INQF當(dāng)變壓器內(nèi)部發(fā)生故障時(shí)WS接通203204205206KA1得電38QFINS1S2S3QA1QA12156SALRKA1XB4KCOSELPMLPMLSB1SB2KOQFHQ KOQFL+L-QFTQ