城市配電(dian)(dian)網絡大量采用(yong)架(jia)空絕(jue)緣電(dian)(dian)纜線路,全國關(guan)于運行中的(de)線路發生雷擊(ji)(ji)斷線和絕(jue)緣子擊(ji)(ji)穿事(shi)故(gu)的(de)統計(ji)數量呈急(ji)劇上升(sheng)趨(qu)勢(shi)。試(shi)驗研究和實際事(shi)故(gu)原因分析證實:架(jia)空絕(jue)緣電(dian)(dian)纜線路雷電(dian)(dian)過電(dian)(dian)壓閃絡時,瞬(shun)間(jian)電(dian)(dian)弧電(dian)(dian)流很大但時間(jian)很短,僅在架(jia)空絕(jue)緣電(dian)(dian)纜絕(jue)緣層上形成(cheng)擊(ji)(ji)穿孔(kong)...
一、額定電(dian)(dian)(dian)壓1KV及以(yi)下架空絕緣電(dian)(dian)(dian)纜(lan)(GB12527-90)產(chan)品(pin)用途:用于交流額定電(dian)(dian)(dian)壓U0/U為(wei)0.6/1KV及以(yi)下架空電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)。使(shi)用特(te)性:聚氯乙(yi)烯絕緣電(dian)(dian)(dian)纜(lan)導體(ti)的長期(qi)工作溫度不超過70℃,短路(lu)時(最長持續時間不超過5S)導體(ti)最高工作溫度...
架(jia)空電纜(lan)(全稱(cheng)架(jia)空絕(jue)緣電纜(lan)),是裝有絕(jue)緣層和(he)(he)保護外(wai)皮的(de)架(jia)空導線,采用類似于(yu)交聯電纜(lan)生產工(gong)藝制造的(de)一種專(zhuan)用電纜(lan),是介于(yu)架(jia)空導線和(he)(he)地下電纜(lan)之間的(de)新的(de)輸電方式 。架(jia)空絕(jue)緣電纜(lan)主要特點(dian):1、供電可靠(kao)性高&n...
在市(shi)場上(shang)有(you)(you)很(hen)多電(dian)(dian)線品種(zhong),要根據自己的(de)(de)(de)(de)用(yong)(yong)電(dian)(dian)負(fu)荷(he)來(lai)采用(yong)(yong)合適的(de)(de)(de)(de)電(dian)(dian)線。市(shi)場上(shang)賣的(de)(de)(de)(de)電(dian)(dian)線有(you)(you)的(de)(de)(de)(de)便(bian)宜有(you)(you)的(de)(de)(de)(de)比較(jiao)貴,有(you)(you)的(de)(de)(de)(de)人往(wang)(wang)(wang)往(wang)(wang)(wang)會(hui)選擇(ze)比較(jiao)便(bian)宜的(de)(de)(de)(de),可(ke)是,便(bian)宜的(de)(de)(de)(de)電(dian)(dian)線,往(wang)(wang)(wang)往(wang)(wang)(wang)有(you)(you)很(hen)多達不到他說明的(de)(de)(de)(de)那樣(yang)的(de)(de)(de)(de)性能(neng),這樣(yang)可(ke)能(neng)會(hui)給自己帶來(lai)很(hen)多安全(quan)隱患(huan)。...
架空絕緣(yuan)電纜(lan)(lan),是裝有絕緣(yuan)層(ceng)和保護外皮的(de)架空導線(xian)(xian),采用類似(si)于交聯電纜(lan)(lan)生(sheng)產工藝(yi)制造的(de)一(yi)種專用電纜(lan)(lan),是介于架空導線(xian)(xian)和地(di)下電纜(lan)(lan)之間的(de)新的(de)輸(shu)電方式。架空電纜(lan)(lan)都是單芯的(de),按其結構不同可分為(wei)硬鋁線(xian)(xian)結構、硬拉銅線(xian)(xian)結構、鋁合金(jin)線(xian)(xian)...
額定(ding)電(dian)(dian)壓10KV架(jia)空(kong)絕緣(yuan)電(dian)(dian)纜由(you)緊壓銅、鋁(鋁合(he)金(jin))導體,內屏(ping)蔽層(ceng)和(he)耐(nai)侯型(xing)絕緣(yuan)材(cai)料及外(wai)屏(ping)蔽層(ceng)組成,既(ji)具(ju)(ju)有(you)電(dian)(dian)力電(dian)(dian)纜的輸送(song)電(dian)(dian)能特(te)性又(you)具(ju)(ju)有(you)架(jia)空(kong)電(dian)(dian)纜較強的機械性能:與裸電(dian)(dian)線相比(bi),本產(chan)品(pin)具(ju)(ju)有(you)敷設(she)間(jian)距小(xiao),安全可(ke)靠(kao)性高,耐(nai)大氣(qi)老(lao)化性能優良等特(te)點(dian),是新設(she)計建...