金環宇電線電纜：電線載流量你知多少?

來源：金環宇電線發布日期：2024-03-06 09:27

電線載流量是指電線可以承受的電流大小。在家庭用電中，我們經常會聽到電線的“容量”問題，換言之，就是指電線載流量。電線的載流量大小與電線的規格、長度、導體材料、環境溫度及機身內部溫度等因素有關。今天，金環宇電線電纜將(jiang)重點(dian)圍繞(rao)電線的(de)載(zai)流(liu)量(liang)，來一探究竟!

我們需(xu)要知道(dao)電(dian)(dian)(dian)線(xian)載流(liu)量(liang)(liang)指的是電(dian)(dian)(dian)線(xian)的橫(heng)截面(mian)積(ji)。橫(heng)截面(mian)積(ji)越大，它所能承(cheng)受的電(dian)(dian)(dian)流(liu)也(ye)就越大，反之亦然。公(gong)式為：電(dian)(dian)(dian)線(xian)載流(liu)量(liang)(liang)=電(dian)(dian)(dian)線(xian)橫(heng)截面(mian)積(ji)×電(dian)(dian)(dian)線(xian)載流(liu)量(liang)(liang)系數(shu)(shu)。電(dian)(dian)(dian)線(xian)載流(liu)量(liang)(liang)系數(shu)(shu)通(tong)常是1，因為其它因素均(jun)已考慮在內。

其次，我們(men)需(xu)要(yao)知(zhi)道不同(tong)類型(xing)的(de)(de)(de)(de)電(dian)(dian)(dian)器(qi)需(xu)要(yao)的(de)(de)(de)(de)電(dian)(dian)(dian)流大小是不同(tong)的(de)(de)(de)(de)，這對于電(dian)(dian)(dian)線的(de)(de)(de)(de)載流量也是有影響的(de)(de)(de)(de)。家庭用電(dian)(dian)(dian)中，中小功率的(de)(de)(de)(de)電(dian)(dian)(dian)器(qi)需(xu)要(yao)的(de)(de)(de)(de)電(dian)(dian)(dian)流都在10A以內，而大功率電(dian)(dian)(dian)器(qi)(如(ru)空調、洗衣機等)的(de)(de)(de)(de)電(dian)(dian)(dian)流普遍在16A左右，因此(ci)需(xu)要(yao)更粗的(de)(de)(de)(de)電(dian)(dian)(dian)線作為它們(men)的(de)(de)(de)(de)供電(dian)(dian)(dian)線。

此(ci)(ci)外，環(huan)境溫度也是影響(xiang)電(dian)(dian)(dian)線(xian)載(zai)流(liu)量的(de)(de)一個重要因素。當溫度升高(gao)時(shi)，電(dian)(dian)(dian)線(xian)的(de)(de)載(zai)流(liu)量會減小(xiao)(xiao)。這是因為電(dian)(dian)(dian)線(xian)的(de)(de)導(dao)(dao)(dao)電(dian)(dian)(dian)體材(cai)料在(zai)高(gao)溫下容(rong)易(yi)(yi)受損，從(cong)而導(dao)(dao)(dao)致(zhi)導(dao)(dao)(dao)體截(jie)面減小(xiao)(xiao)，導(dao)(dao)(dao)致(zhi)電(dian)(dian)(dian)線(xian)容(rong)易(yi)(yi)發熱，甚至(zhi)損壞(huai)其他電(dian)(dian)(dian)器(qi)，甚至(zhi)引起(qi)火災。因此(ci)(ci)，在(zai)環(huan)境溫度高(gao)的(de)(de)情況下，應選用更粗的(de)(de)電(dian)(dian)(dian)線(xian)以改善載(zai)流(liu)量不足的(de)(de)問題，同時(shi)，電(dian)(dian)(dian)器(qi)的(de)(de)使用時(shi)間也應控制(zhi)在(zai)合適(shi)的(de)(de)范圍內，避免因長時(shi)間過載(zai)使用導(dao)(dao)(dao)致(zhi)電(dian)(dian)(dian)線(xian)老化損壞(huai)的(de)(de)風險。

在(zai)實際(ji)生(sheng)活中，家(jia)用電(dian)線常規內(nei)部的(de)溫度普遍高(gao)于(yu)室外氣溫，這是因為在(zai)使(shi)用電(dian)器的(de)同時，電(dian)線內(nei)部必然會產生(sheng)一定的(de)熱量。因此(ci)，在(zai)選購電(dian)線時，要注意其(qi)所(suo)能(neng)承受的(de)環境溫度范圍，以此(ci)來預(yu)判其(qi)所(suo)需(xu)要的(de)電(dian)線載流量。

我們(men)來(lai)說(shuo)一下電(dian)線(xian)的(de)(de)規格(ge)。電(dian)線(xian)的(de)(de)規格(ge)通常(chang)用標稱(cheng)截面(mian)積表示，標稱(cheng)截面(mian)積越大，電(dian)線(xian)所能(neng)承(cheng)受的(de)(de)電(dian)流也就越大。例如，標稱(cheng)截面(mian)積為2.5mm2的(de)(de)電(dian)線(xian)，其載流量可以達到13A，而標稱(cheng)截面(mian)積為4mm2的(de)(de)電(dian)線(xian)，則(ze)可承(cheng)受的(de)(de)電(dian)流達到21A。

總結起來，電(dian)(dian)(dian)線(xian)(xian)的載流(liu)量(liang)大小涉及到(dao)電(dian)(dian)(dian)線(xian)(xian)截面積、電(dian)(dian)(dian)器(qi)需要的電(dian)(dian)(dian)流(liu)大小、環(huan)境溫度及電(dian)(dian)(dian)線(xian)(xian)的規格等(deng)因素。在選購(gou)電(dian)(dian)(dian)線(xian)(xian)時(shi)，應根據自身需求和所使用電(dian)(dian)(dian)器(qi)的功(gong)率大小來選取合適的電(dian)(dian)(dian)線(xian)(xian)規格，避免因電(dian)(dian)(dian)線(xian)(xian)載流(liu)量(liang)不足導致(zhi)電(dian)(dian)(dian)器(qi)的損壞或甚(shen)至是火災等(deng)危險情況的發(fa)生。

以上內容就(jiu)是金環(huan)宇電(dian)(dian)線電(dian)(dian)纜：電(dian)(dian)線載流量(liang)你知多(duo)少?想(xiang)要了解(jie)更多(duo)關(guan)于(yu)電(dian)(dian)線電(dian)(dian)纜知識，可登錄深圳市(shi)金環(huan)宇電(dian)(dian)線電(dian)(dian)纜有(you)限公司網站查(cha)看!

1. 上一篇：金環宇電線電纜：電線選購必備知識BV與BVR
2. 下一篇：鎧裝電纜的優勢及應用