擴徑鋼(gang)芯鋁(lv)絞(jiao)(jiao)線(xian)(xian)(xian)(xian)(xian)(xian)包括(kuo)鍍鋅金屬軟管支撐外層緊(jin)密(mi)絞(jiao)(jiao)合(he)鋁(lv)線(xian)(xian)(xian)(xian)(xian)(xian)層絞(jiao)(jiao)合(he)鋼(gang)芯和(he)外層緊(jin)密(mi)絞(jiao)(jiao)合(he)鋁(lv)線(xian)(xian)(xian)(xian)(xian)(xian)層之間(jian)。采用這(zhe)種(zhong)結(jie)構(gou)的(de)擴徑鋼(gang)芯鋁(lv)絞(jiao)(jiao)線(xian)(xian)(xian)(xian)(xian)(xian)其(qi)特點(dian)(dian)為:大(da)大(da)減小導(dao)線(xian)(xian)(xian)(xian)(xian)(xian)表(biao)面的(de)電(dian)場強度，從而(er)避免電(dian)暈放(fang)電(dian)，減小對(dui)無線(xian)(xian)(xian)(xian)(xian)(xian)電(dian)的(de)干(gan)擾。結(jie)構(gou)重(zhong)量輕(qing)，可降低線(xian)(xian)(xian)(xian)(xian)(xian)路造價，而(er)且大(da)大(da)減小了安裝(zhuang)敷(fu)設后的(de)塑(su)蠕伸(shen)長，減小導(dao)線(xian)(xian)(xian)(xian)(xian)(xian)的(de)永久變形(xing)。還具有高強度、耐腐(fu)蝕、使(shi)用壽(shou)命長、能改(gai)善接(jie)(jie)頭的(de)連接(jie)(jie)質量等特點(dian)(dian)。

擴徑鋼芯鋁(lv)絞線(xian)廣泛應用于220kv-1000kv以上變電(dian)(dian)站(zhan)(zhan)工程(cheng)，該導(dao)(dao)線(xian)加入(ru)合金成(cheng)分，提(ti)高了(le)產(chan)品(pin)(pin)的高溫(wen)性能，導(dao)(dao)線(xian)截面大(da)，載流量增加，耐熱溫(wen)度高，導(dao)(dao)電(dian)(dian)率高，損耗(hao)小，降低(di)(di)了(le)電(dian)(dian)能損耗(hao)，增加了(le)設備(bei)運(yun)行(xing)的安(an)全(quan)性能。安(an)裝(zhuang)，維(wei)護與普通導(dao)(dao)線(xian)安(an)裝(zhuang)程(cheng)序相同，不需要任何特殊工具，工裝(zhuang)，安(an)裝(zhuang)，維(wei)護方便，成(cheng)本低(di)(di)。產(chan)品(pin)(pin)規(gui)格(ge)齊全(quan)，能滿足我(wo)國變電(dian)(dian)站(zhan)(zhan)，換流站(zhan)(zhan)用各種規(gui)格(ge)特種導(dao)(dao)線(xian)（軟母線(xian)）的全(quan)部需求。該系列產(chan)品(pin)(pin)在我(wo)國多座500kv、800kv、750kv、1000kv、變電(dian)(dian)站(zhan)(zhan)、換流站(zhan)(zhan)上得(de)到(dao)了(le)成(cheng)功(gong)運(yun)行(xing)，取得(de)了(le)良好運(yun)行(xing)業績。