斷路器和空開一樣嗎
斷路器按其(qi)使用范圍分為高壓(ya)(ya)斷(duan)(duan)路(lu)(lu)器(qi)(qi)和(he)低(di)壓(ya)(ya)斷(duan)(duan)路(lu)(lu)器(qi)(qi),高低(di)壓(ya)(ya)界線劃分比較模糊(hu),一般將3kV以上的(de)稱為高壓(ya)(ya)電(dian)(dian)器(qi)(qi)。 低(di)壓(ya)(ya)斷(duan)(duan)路(lu)(lu)器(qi)(qi)又(you)稱自動(dong)開(kai)關,俗稱”空氣開(kai)關”也是(shi)指(zhi)低(di)壓(ya)(ya)斷(duan)(duan)路(lu)(lu)器(qi)(qi),它(ta)是(shi)一種既有手動(dong)開(kai)關作(zuo)用,又(you)能(neng)(neng)(neng)自動(dong)進(jin)行(xing)失壓(ya)(ya)、欠壓(ya)(ya)、過(guo)載、和(he)短路(lu)(lu)保(bao)護(hu)(hu)的(de)電(dian)(dian)器(qi)(qi)。它(ta)可用來(lai)分配電(dian)(dian)能(neng)(neng)(neng),不頻繁(fan)地(di)啟動(dong)異步(bu)電(dian)(dian)動(dong)機,對電(dian)(dian)源線路(lu)(lu)及電(dian)(dian)動(dong)機等實行(xing)保(bao)護(hu)(hu),當它(ta)們(men)發生嚴(yan)重的(de)過(guo)載或(huo)者短路(lu)(lu)及欠壓(ya)(ya)等故障(zhang)時能(neng)(neng)(neng)自動(dong)切斷(duan)(duan)電(dian)(dian)路(lu)(lu),其(qi)功能(neng)(neng)(neng)相當于熔斷(duan)(duan)器(qi)(qi)式開(kai)關與過(guo)欠熱繼電(dian)(dian)器(qi)(qi)等的(de)組(zu)合。而且在分斷(duan)(duan)故障(zhang)電(dian)(dian)流后一般不需(xu)要變更零部件,已獲得了廣泛的(de)應用。
空氣開關又名空氣(qi)(qi)斷路(lu)器(qi),是(shi)斷路(lu)器(qi)的(de)(de)一(yi)種。是(shi)一(yi)種只要(yao)電(dian)路(lu)中(zhong)電(dian)流超過額定電(dian)流就會自動斷開(kai)(kai)的(de)(de)開(kai)(kai)關(guan)。空氣(qi)(qi)開(kai)(kai)關(guan)是(shi)低壓配電(dian)網絡和電(dian)力(li)拖(tuo)動系統中(zhong)非常重(zhong)(zhong)要(yao)的(de)(de)一(yi)種電(dian)器(qi),它集控制和多種保(bao)護功能(neng)(neng)于一(yi)身。除能(neng)(neng)完成接觸和分斷電(dian)路(lu)外,尚能(neng)(neng)對電(dian)路(lu)或電(dian)氣(qi)(qi)設備發生的(de)(de)短路(lu)、嚴重(zhong)(zhong)過載及欠電(dian)壓等進行保(bao)護,同時(shi)也可以用(yong)于不頻繁地啟(qi)動電(dian)動機。
斷路器和空氣開關的區別
空氣開關是斷(duan)路器的一種,那(nei)么斷路器和空開怎么區分?斷路器和空氣開關有什么區別?
1、電壓等級的區別
一般空氣開關(guan)適(shi)用的電壓等(deng)級為(wei)500V以(yi)下(xia),而斷路(lu)器通常可以(yi)適(shi)用于220V以(yi)上(shang)的各電壓等(deng)級。
2、遮斷電流的能力區別
一般斷路器能承(cheng)受的負荷(he)及(ji)短路電流更大些(xie)。
3、滅弧介質和方式的區別
斷(duan)(duan)路(lu)(lu)(lu)器(qi)的(de)滅弧介質和方式不但有空氣(qi)斷(duan)(duan)路(lu)(lu)(lu)器(qi),還有真空斷(duan)(duan)路(lu)(lu)(lu)器(qi),多油斷(duan)(duan)路(lu)(lu)(lu)器(qi),少(shao)油斷(duan)(duan)路(lu)(lu)(lu)器(qi),六氟化硫斷(duan)(duan)路(lu)(lu)(lu)器(qi)等。
4、配套設備的區別
一般相對于空開來講斷路器的測量、邏輯及執行(xing)部分的機構(gou)所(suo)配套(tao)的設備更復雜一些。
5、作用的區別
空氣開(kai)關一般在(zai)小電(dian)(dian)(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong)主要起(qi)“隔離”和“保護裝置”的作用;斷(duan)路(lu)(lu)(lu)器在(zai)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)短路(lu)(lu)(lu)大電(dian)(dian)(dian)(dian)(dian)流(liu)情況下,自動跳閘,在(zai)高電(dian)(dian)(dian)(dian)(dian)壓、電(dian)(dian)(dian)(dian)(dian)子產品世界大電(dian)(dian)(dian)(dian)(dian)流(liu)電(dian)(dian)(dian)(dian)(dian)路(lu)(lu)(lu)中(zhong),常用作停電(dian)(dian)(dian)(dian)(dian)、送電(dian)(dian)(dian)(dian)(dian),接通、斷(duan)開(kai)負荷的操(cao)作電(dian)(dian)(dian)(dian)(dian)器。
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