【鋁(lv)線(xian) 銅(tong)線(xian)】鋁(lv)線(xian)和(he)銅(tong)線(xian)的區別(bie) 家用(yong)電線(xian)用(yong)鋁(lv)線(xian)好還是銅(tong)線(xian)好
電線是電路改造中非常重要的一部分,目前市面上的家用電線主要分為(wei)(wei)銅(tong)線(xian)和鋁線(xian)兩種。很多(duo)裝(zhuang)修(xiu)小(xiao)白比較糾結為(wei)(wei)了家(jia)庭的(de)用(yong)電安(an)全,應該(gai)選擇哪種更好(hao)(hao)呢?接下(xia)來小(xiao)編就給大家(jia)分析一下(xia)家(jia)用(yong)電線(xian)是用(yong)銅(tong)線(xian)好(hao)(hao)還是鋁線(xian)好(hao)(hao)?
鋁線和銅線的區別 家用電線用鋁線好還是銅線好:
1、負(fu)(fu)載功率:相同截面積的銅(tong)線(xian)(xian)(xian)(xian)(xian)和(he)鋁(lv)(lv)線(xian)(xian)(xian)(xian)(xian)兩種電線(xian)(xian)(xian)(xian)(xian),銅(tong)線(xian)(xian)(xian)(xian)(xian)的負(fu)(fu)載功率要大于鋁(lv)(lv)線(xian)(xian)(xian)(xian)(xian)。舉個(ge)例子(zi):兩者都是2.5平方線(xian)(xian)(xian)(xian)(xian),那么(me)假(jia)設鋁(lv)(lv)線(xian)(xian)(xian)(xian)(xian)能負(fu)(fu)載2500瓦特,那么(me)銅(tong)線(xian)(xian)(xian)(xian)(xian)就(jiu)能負(fu)(fu)載3000瓦特。
2、柔韌性:銅線柔韌性更(geng)好,彎(wan)曲方便,抗(kang)疲勞(lao)強。鋁線相對(dui)來說在彎(wan)曲時容易折斷。
3、穩定(ding)性(xing)(xing):鋁線非常容易氧化,從而使電阻變大,降低電線負載,容易發(fa)生安全問(wen)題。但是銅芯的穩定(ding)性(xing)(xing)極佳。
4、電阻(zu)率(lv)(lv)(lv):銅(tong)線電阻(zu)率(lv)(lv)(lv)小,比起鋁(lv)線的電阻(zu)率(lv)(lv)(lv)要低于1.68倍,導(dao)致了鋁(lv)線的功耗損比較(jiao)大,發熱比較(jiao)嚴(yan)重,影響用電利用率(lv)(lv)(lv)。
5、價格:鋁線價格相對銅線要便宜很多,銅線價格一般是鋁線的3.5倍,銅線還比鋁線重。