城市配電(dian)(dian)網絡(luo)大量采用架空絕(jue)緣電(dian)(dian)纜線(xian)(xian)路(lu),全國關(guan)于運行(xing)中的線(xian)(xian)路(lu)發生雷擊斷線(xian)(xian)和絕(jue)緣子擊穿事(shi)(shi)故(gu)的統計數量呈急劇上(shang)升趨勢。試驗研究和實際(ji)事(shi)(shi)故(gu)原(yuan)因分析證實:架空絕(jue)緣電(dian)(dian)纜線(xian)(xian)路(lu)雷電(dian)(dian)過電(dian)(dian)壓閃絡(luo)時,瞬間(jian)電(dian)(dian)弧電(dian)(dian)流(liu)很大但(dan)時間(jian)很短,僅在架空絕(jue)緣電(dian)(dian)纜絕(jue)緣層上(shang)形(xing)成擊穿孔...
一(yi)、額定電(dian)(dian)壓(ya)1KV及(ji)(ji)以下架(jia)空(kong)絕(jue)緣電(dian)(dian)纜(lan)(GB12527-90)產品用(yong)途:用(yong)于(yu)交流額定電(dian)(dian)壓(ya)U0/U為0.6/1KV及(ji)(ji)以下架(jia)空(kong)電(dian)(dian)力電(dian)(dian)纜(lan)。使用(yong)特(te)性:聚氯乙烯(xi)絕(jue)緣電(dian)(dian)纜(lan)導(dao)體(ti)的長期工(gong)作溫度(du)不超過(guo)70℃,短路時(最長持續時間不超過(guo)5S)導(dao)體(ti)最高工(gong)作溫度(du)...
架(jia)空電(dian)(dian)(dian)(dian)纜(lan)(lan)(全稱(cheng)架(jia)空絕緣(yuan)(yuan)電(dian)(dian)(dian)(dian)纜(lan)(lan)),是裝有絕緣(yuan)(yuan)層和(he)保護外皮的架(jia)空導線,采用類似于交聯電(dian)(dian)(dian)(dian)纜(lan)(lan)生(sheng)產(chan)工藝制(zhi)造的一種專(zhuan)用電(dian)(dian)(dian)(dian)纜(lan)(lan),是介于架(jia)空導線和(he)地(di)下電(dian)(dian)(dian)(dian)纜(lan)(lan)之(zhi)間的新的輸電(dian)(dian)(dian)(dian)方式 。架(jia)空絕緣(yuan)(yuan)電(dian)(dian)(dian)(dian)纜(lan)(lan)主要(yao)特點:1、供電(dian)(dian)(dian)(dian)可靠性(xing)高&n...
在(zai)市場(chang)上(shang)有(you)(you)很多(duo)電線(xian)品種,要根據自己的用電負荷來(lai)采用合適的電線(xian)。市場(chang)上(shang)賣的電線(xian)有(you)(you)的便(bian)宜有(you)(you)的比較貴(gui),有(you)(you)的人(ren)往(wang)往(wang)會選(xuan)擇比較便(bian)宜的,可是,便(bian)宜的電線(xian),往(wang)往(wang)有(you)(you)很多(duo)達不(bu)到他說明的那樣的性能(neng)(neng),這樣可能(neng)(neng)會給自己帶來(lai)很多(duo)安(an)全(quan)隱患。...
架空絕緣電(dian)(dian)(dian)(dian)纜(lan),是(shi)(shi)裝有絕緣層和保(bao)護外皮的(de)架空導線(xian),采用類似于交聯(lian)電(dian)(dian)(dian)(dian)纜(lan)生產(chan)工藝制造的(de)一種(zhong)專(zhuan)用電(dian)(dian)(dian)(dian)纜(lan),是(shi)(shi)介于架空導線(xian)和地下(xia)電(dian)(dian)(dian)(dian)纜(lan)之間的(de)新(xin)的(de)輸電(dian)(dian)(dian)(dian)方式。架空電(dian)(dian)(dian)(dian)纜(lan)都是(shi)(shi)單芯的(de),按其結(jie)構(gou)不(bu)同可分為硬鋁(lv)線(xian)結(jie)構(gou)、硬拉銅線(xian)結(jie)構(gou)、鋁(lv)合金(jin)線(xian)...
額定電(dian)(dian)壓(ya)10KV架空(kong)絕(jue)緣電(dian)(dian)纜由緊壓(ya)銅、鋁(lv)(鋁(lv)合金(jin))導體,內屏蔽(bi)層和耐侯型絕(jue)緣材(cai)料及外屏蔽(bi)層組成,既具有電(dian)(dian)力電(dian)(dian)纜的(de)輸送電(dian)(dian)能特性(xing)又(you)具有架空(kong)電(dian)(dian)纜較強的(de)機械性(xing)能:與裸電(dian)(dian)線相比(bi),本產品具有敷設(she)間(jian)距小,安(an)全可靠性(xing)高,耐大氣老(lao)化性(xing)能優良等特點,是新設(she)計建...