一、隔離(li)變壓(ya)器的輸出220V電(dian)壓(ya)確實分零火。
在(zai)電(dian)(dian)氣系統(tong)中(zhong),火(huo)(huo)線(Live Wire)和(he)零線(Neutral Wire)是(shi)兩種(zhong)不(bu)(bu)同(tong)的(de)(de)(de)導線,它們在(zai)電(dian)(dian)路(lu)中(zhong)起(qi)著不(bu)(bu)同(tong)的(de)(de)(de)作用(yong)。火(huo)(huo)線帶(dai)(dai)有電(dian)(dian)壓(ya)(ya)(ya),是(shi)電(dian)(dian)路(lu)中(zhong)傳輸電(dian)(dian)能(neng)(neng)的(de)(de)(de)主要(yao)導線;而(er)(er)零線則不(bu)(bu)帶(dai)(dai)電(dian)(dian)壓(ya)(ya)(ya),它的(de)(de)(de)作用(yong)是(shi)將(jiang)電(dian)(dian)流(liu)回流(liu)到電(dian)(dian)源(yuan),形成閉合電(dian)(dian)路(lu)。在(zai)隔離變壓(ya)(ya)(ya)器的(de)(de)(de)輸出端,火(huo)(huo)線和(he)零線之(zhi)間的(de)(de)(de)電(dian)(dian)壓(ya)(ya)(ya)為220V,這(zhe)意味著火(huo)(huo)線帶(dai)(dai)有110V的(de)(de)(de)電(dian)(dian)壓(ya)(ya)(ya),而(er)(er)零線則帶(dai)(dai)有-110V的(de)(de)(de)電(dian)(dian)壓(ya)(ya)(ya)。這(zhe)種(zhong)電(dian)(dian)壓(ya)(ya)(ya)分配方式使(shi)得火(huo)(huo)線和(he)零線之(zhi)間形成了一個電(dian)(dian)位差(cha),從而(er)(er)使(shi)電(dian)(dian)流(liu)能(neng)(neng)夠(gou)在(zai)電(dian)(dian)路(lu)中(zhong)流(liu)動。
需要注意(yi)的(de)是(shi),雖然隔離變壓器的(de)輸出(chu)端(duan)分零(ling)火,但(dan)在使用電氣設備時,仍需遵循(xun)安(an)全用電的(de)原則,特別是(shi)在接(jie)線(xian)時,必須(xu)確(que)(que)保(bao)火線(xian)和零(ling)線(xian)正確(que)(que)連接(jie),避免出(chu)現短路、漏電等安(an)全隱患