
鋁芯電纜RVS電線全稱(cheng):銅(tong)芯聚氯乙烯絕緣絞型連(lian)接用(yong)軟電線、對(dui)絞多股(gu)軟線,簡稱(cheng)雙絞線,俗稱(cheng)“花線”,現階段此(ci)種線材多用(yong)于消(xiao)防(fang)系統,也叫“消(xiao)防(fang)線”。
專業生產鋁芯電纜電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)使用(yong)(yong)(yong)期限的(de)(de)長(chang)短,取決于電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)的(de)(de)質量和(he)電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)安裝的(de)(de)環境、使用(yong)(yong)(yong)環境。電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)主要靠外(wai)面一層包(bao)皮絕(jue)(jue)緣(yuan)(yuan),時(shi)間一長(chang),受(shou)到腐(fu)蝕性氣體的(de)(de)腐(fu)蝕,絕(jue)(jue)緣(yuan)(yuan)性能逐(zhu)漸降低,慢慢老化(hua)(hua)變(bian)硬,發脆或脫落,這時(shi)就(jiu)不起絕(jue)(jue)緣(yuan)(yuan)作用(yong)(yong)(yong)了。家用(yong)(yong)(yong)電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)的(de)(de)外(wai)表(biao)的(de)(de)絕(jue)(jue)緣(yuan)(yuan)層多用(yong)(yong)(yong)塑(su)料(liao)和(he)橡(xiang)膠制(zhi)成,使用(yong)(yong)(yong)時(shi)間長(chang)了就(jiu)會(hui)老化(hua)(hua),失(shi)去(qu)絕(jue)(jue)緣(yuan)(yuan)作用(yong)(yong)(yong)。電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)失(shi)去(qu)絕(jue)(jue)緣(yuan)(yuan)的(de)(de)性能是很危險的(de)(de),如(ru)果兩根(gen)電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)碰(peng)在一起或火(huo)(huo)線(xian)(xian)(xian)(xian)碰(peng)到與大地相(xiang)接的(de)(de)東西,就(jiu)會(hui)發生跑電(dian)(dian)(dian)現象,使局部電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)的(de)(de)溫度升高,產生火(huo)(huo)花。如(ru)果電(dian)(dian)(dian)線(xian)(xian)(xian)(xian)附近有易燃(ran)物(wu)就(jiu)容易引起著(zhu)火(huo)(huo),造成火(huo)(huo)災。
專業生產鋁芯電纜批發電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)制造與大多數(shu)機電(dian)(dian)(dian)產(chan)(chan)(chan)品的(de)(de)生(sheng)產(chan)(chan)(chan)方(fang)式(shi)是(shi)(shi)完全不(bu)同的(de)(de)。機電(dian)(dian)(dian)產(chan)(chan)(chan)品通常采用將另(ling)件裝(zhuang)(zhuang)配成(cheng)(cheng)部件、多個(ge)部件再裝(zhuang)(zhuang)配成(cheng)(cheng)單(dan)臺產(chan)(chan)(chan)品,產(chan)(chan)(chan)品以(yi)臺數(shu)或件數(shu)計量(liang)。電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)(lan)是(shi)(shi)以(yi)長(chang)度為基本計量(liang)單(dan)位。所有(you)(you)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)(lan)都是(shi)(shi)從導(dao)體(ti)加工開(kai)始,在導(dao)體(ti)的(de)(de)外圍一層一層地加上(shang)絕緣、屏蔽、、成(cheng)(cheng)纜(lan)(lan)(lan)、護層等而(er)制成(cheng)(cheng)電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)(lan)產(chan)(chan)(chan)品。產(chan)(chan)(chan)品結構越復(fu)雜,疊加的(de)(de)層次(ci)就越多。大長(chang)度連續疊加組(zu)合的(de)(de)生(sheng)產(chan)(chan)(chan)方(fang)式(shi),使(shi)生(sheng)產(chan)(chan)(chan)過程(cheng)中(zhong)任何(he)一個(ge)環節、瞬時(shi)(shi)發生(sheng)一點問題(ti),就會影響整根電(dian)(dian)(dian)纜(lan)(lan)(lan)質(zhi)(zhi)量(liang)。質(zhi)(zhi)量(liang)缺陷越是(shi)(shi)發生(sheng)在內層,而(er)且(qie)沒有(you)(you)及(ji)(ji)時(shi)(shi)發現終止生(sheng)產(chan)(chan)(chan),那么造成(cheng)(cheng)的(de)(de)損失就越大。因(yin)為電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)生(sheng)產(chan)(chan)(chan)不(bu)同于組(zu)裝(zhuang)(zhuang)式(shi)的(de)(de)產(chan)(chan)(chan)品,可(ke)以(yi)拆(chai)開(kai)重(zhong)裝(zhuang)(zhuang)及(ji)(ji)更換另(ling)件;電(dian)(dian)(dian)線(xian)電(dian)(dian)(dian)纜(lan)(lan)(lan)的(de)(de)任一部件或工藝過程(cheng)的(de)(de)質(zhi)(zhi)量(liang)問題(ti),對這(zhe)根電(dian)(dian)(dian)纜(lan)(lan)(lan)幾乎是(shi)(shi)無法挽回和彌(mi)補的(de)(de)。事后的(de)(de)處理都是(shi)(shi)十分消極的(de)(de),不(bu)是(shi)(shi)鋸短(duan)就是(shi)(shi)降級(ji)處理,要么報廢整條電(dian)(dian)(dian)纜(lan)(lan)(lan)。它無法拆(chai)開(kai)重(zhong)裝(zhuang)(zhuang)。
鋁芯電纜光伏新政已出臺近兩個月,很多企業紛(fen)紛(fen)選擇開拓海外(wai)(wai)市(shi)場,至2020年(nian)累計(ji)市(shi)場容量將達(da)5900億(yi)美(mei)元,其(qi)中約4000億(yi)美(mei)元將來自于項目融資,海外(wai)(wai)市(shi)場復合增長率高達(da)16%。但(dan)海外(wai)(wai)“風景”雖好,投資卻有(you)風險,海外(wai)(wai)出行需謹慎。風險是(shi)既存的事實,遇到風險也不(bu)能(neng)停滯不(bu)前,所(suo)以對(dui)于海外(wai)(wai)市(shi)場風險把(ba)控是(shi)重要手段。
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