低壓電器分類
低壓電器品牌產品有很多,其結構、用(yong)途(tu)及(ji)所控制(zhi)(zhi)對象(xiang)的不(bu)同,可以有不(bu)同的分(fen)類方式(shi)。按(an)用(yong)途(tu)和控制(zhi)(zhi)對象(xiang)不(bu)同,可將(jiang)低(di)壓電(dian)(dian)器(qi)(qi)(qi)分(fen)為(wei)配(pei)電(dian)(dian)電(dian)(dian)器(qi)(qi)(qi)和控制(zhi)(zhi)電(dian)(dian)器(qi)(qi)(qi)。按(an)操作方式(shi)不(bu)同,可將(jiang)低(di)壓電(dian)(dian)器(qi)(qi)(qi)分(fen)為(wei)自動電(dian)(dian)器(qi)(qi)(qi)和手動電(dian)(dian)器(qi)(qi)(qi)。按(an)工作原理可分(fen)為(wei)電(dian)(dian)磁式(shi)電(dian)(dian)器(qi)(qi)(qi)和非電(dian)(dian)量控制(zhi)(zhi)電(dian)(dian)器(qi)(qi)(qi)。
低壓電器的定義
低壓電(dian)(dian)器(qi)通常是指在交流電(dian)(dian)壓1200V或直流電(dian)(dian)壓1500V以下工作的(de)電(dian)(dian)器(qi)。常見的(de)低壓器(qi)有開關(guan)、熔斷器(qi)、接觸(chu)器(qi)、漏電(dian)(dian)保護器(qi)和(he)繼電(dian)(dian)器(qi)等(deng)。
低壓電器的作用有哪些
低壓電(dian)(dian)器能夠依據操(cao)作(zuo)信號或(huo)外(wai)界現(xian)場信號的(de)要求,自(zi)動或(huo)手動地(di)改變電(dian)(dian)路的(de)狀態、參數,實現(xian)對電(dian)(dian)路或(huo)被(bei)控對象的(de)控制、指示、測量、保護、調(diao)節。
低壓電器和高壓電器的主要區別
低(di)壓(ya)(ya)電(dian)器和高(gao)壓(ya)(ya)電(dian)器最大的區別就(jiu)是工作電(dian)壓(ya)(ya)的不同,其次二者的安(an)全性也因此不同,高(gao)壓(ya)(ya)電(dian)器有(you)更多防護。一般來(lai)說誤(wu)觸(chu)低(di)壓(ya)(ya)電(dian)器有(you)很(hen)大希望救命,但是誤(wu)觸(chu)高(gao)壓(ya)(ya)電(dian)器可能會當場喪命!
低壓電器原理
低(di)壓(ya)電器(qi)(qi)(qi)是一種能根據(ju)外界(jie)(jie)的(de)(de)信(xin)號和(he)要求,手動(dong)或自動(dong)地接(jie)通、斷開電路,以實(shi)現(xian)對(dui)電路或非電對(dui)象的(de)(de)切換(huan)、控(kong)(kong)制(zhi)、保護、檢測、變換(huan)和(he)調節的(de)(de)元件或設(she)備。控(kong)(kong)制(zhi)電器(qi)(qi)(qi)按其工(gong)作電壓(ya)的(de)(de)高(gao)低(di),以交流(liu)1200V、直流(liu)1500V為界(jie)(jie),可(ke)劃分(fen)為高(gao)壓(ya)控(kong)(kong)制(zhi)電器(qi)(qi)(qi)和(he)低(di)壓(ya)控(kong)(kong)制(zhi)電器(qi)(qi)(qi)兩大類。總的(de)(de)來說,低(di)壓(ya)電器(qi)(qi)(qi)可(ke)以分(fen)為配(pei)電電器(qi)(qi)(qi)和(he)控(kong)(kong)制(zhi)電器(qi)(qi)(qi)兩大類,是成套電氣設(she)備的(de)(de)基(ji)本組成元件。在工(gong)業(ye)、農業(ye)、交通、國防以及人(ren)們用電部門中(zhong),大多(duo)數采用低(di)壓(ya)供(gong)電,因此電器(qi)(qi)(qi)元件的(de)(de)質量將直接(jie)影響到低(di)壓(ya)供(gong)電系(xi)統的(de)(de)可(ke)靠性。