交流輸(shu)電(dian)線(xian)(xian)(xian)(xian)(xian)路的(de)電(dian)暈損失主要(yao)與(yu)導(dao)線(xian)(xian)(xian)(xian)(xian)表(biao)面(mian)場(chang)(chang) 強(qiang)和天氣有關(guan)(guan)，根(gen)據絕緣(yuan)水平(ping)要(yao)求確定了相間距離 后，導(dao)線(xian)(xian)(xian)(xian)(xian)表(biao)面(mian)場(chang)(chang)強(qiang)主要(yao)與(yu)導(dao)線(xian)(xian)(xian)(xian)(xian)分裂數(shu)、分裂間距和 子(zi)導(dao)線(xian)(xian)(xian)(xian)(xian)直徑有關(guan)(guan)，分裂數(shu)越多，子(zi)導(dao)線(xian)(xian)(xian)(xian)(xian)直徑越大， 表(biao)面(mian)場(chang)(chang)強(qiang)越小(xiao)(xiao)。擴(kuo)徑導(dao)線(xian)(xian)(xian)(xian)(xian)通(tong)過支撐鋁(lv)線(xian)(xian)(xian)(xian)(xian)疏繞的(de)方式 擴(kuo)大了導(dao)線(xian)(xian)(xian)(xian)(xian)外徑，這(zhe)樣可減(jian)小(xiao)(xiao)導(dao)線(xian)(xian)(xian)(xian)(xian)表(biao)面(mian)的(de)電(dian)場(chang)(chang)強(qiang)度和電(dian)暈放電(dian)，降(jiang)低噪聲，減(jian)少對(dui)(dui)無線(xian)(xian)(xian)(xian)(xian)電(dian)的(de)干擾。相 對(dui)(dui)于常規導(dao)線(xian)(xian)(xian)(xian)(xian)，擴(kuo)徑導(dao)線(xian)(xian)(xian)(xian)(xian)重(zhong)量較(jiao)輕，安裝敷設(she)后的(de) 塑蠕伸長減(jian)小(xiao)(xiao)，導(dao)線(xian)(xian)(xian)(xian)(xian)永久變形減(jian)少，在(zai)滿足輸(shu)送容 量要(yao)求和環境保(bao)護指標(biao)的(de)前提(ti)下，可大幅降(jiang)低線(xian)(xian)(xian)(xian)(xian)路 整體(ti)造價。簡單說來(lai)，擴(kuo)徑導(dao)線(xian)(xian)(xian)(xian)(xian)是從常規導(dao)線(xian)(xian)(xian)(xian)(xian)中抽取數(shu)股 鋁(lv)線(xian)(xian)(xian)(xian)(xian)后繞制而成(cheng)的(de)。 

分(fen)裂(lie)導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)是(shi)由三(san)根(gen)或四根(gen)單芯導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)經過某種(zhong)(zhong)工(gong)藝制造在(zai)一起的一種(zhong)(zhong)可(ke)分(fen)裂(lie)的導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)，或者稱導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)束(shu)， 這種(zhong)(zhong)分(fen)裂(lie)導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)不(bu)僅僅是(shi)形式上與常規(gui)導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)不(bu)同，由于分(fen)裂(lie)導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)可(ke)使(shi)導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)周圍磁場(chang)分(fen)布改(gai)變，從(cong)而等效地增大了導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)半徑(jing)，減小了導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)電抗；同時也(ye)改(gai)變了導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)周圍的電場(chang)分(fen)布， 使(shi)導(dao)(dao)(dao)線(xian)(xian)(xian)(xian)(xian)(xian)的電納(na)也(ye)相(xiang)應增大。 

遼寧大元電纜制造有限公司位于鐵嶺鐵西工業園區，成立于1989年6月18日，原廠名為“鐵嶺大元電纜有限公司”。為了適應市場需求，同時公司規模的不斷擴大和發展，于2012年6月更名為“遼寧大元電纜制造有限公司”，占地面積18000平方米，是電線電纜產品的專業生產制造商。