
采用(yong)電(dian)纜(lan)的低(di)(di)(di)壓(ya)線路(lu)。電(dian)纜(lan)由線芯、絕緣(yuan)層、保護層構成。電(dian)纜(lan)的種類(lei)很多,低(di)(di)(di)壓(ya)電(dian)纜(lan)線路(lu)主要使(shi)用(yong)的是低(di)(di)(di)壓(ya)電(dian)力電(dian)纜(lan)。
低(di)(di)(di)壓(ya)電(dian)(dian)(dian)(dian)纜(lan)線(xian)(xian)(xian)路常(chang)用的敷設方(fang)式有(you):①直接埋(mai)地(di);②敷設于電(dian)(dian)(dian)(dian)纜(lan)溝內;③沿墻(qiang)敷設;④敷設于電(dian)(dian)(dian)(dian)纜(lan)隧(sui)道(dao)內等(deng)(deng)。低(di)(di)(di)壓(ya)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜(lan)的型號主要(yao)根據使用的環境條件(jian)和敷設方(fang)式進行選擇。低(di)(di)(di)壓(ya)電(dian)(dian)(dian)(dian)纜(lan)線(xian)(xian)(xian)路與(yu)低(di)(di)(di)壓(ya)架(jia)(jia)空線(xian)(xian)(xian)路、低(di)(di)(di)壓(ya)架(jia)(jia)空絕緣(yuan)線(xian)(xian)(xian)路相比雖然造價較(jiao)(jiao)(jiao)高,敷設維護較(jiao)(jiao)(jiao)為困難,但由于它具有(you)運行可靠、不立電(dian)(dian)(dian)(dian)桿(gan)、不占(zhan)地(di)面、不礙觀瞻(zhan)、受(shou)外界影(ying)響較(jiao)(jiao)(jiao)小(xiao)等(deng)(deng)特(te)點,而在低(di)(di)(di)壓(ya)配電(dian)(dian)(dian)(dian)系統中得到廣泛應(ying)用。低(di)(di)(di)壓(ya)電(dian)(dian)(dian)(dian)纜(lan)線(xian)(xian)(xian)路主要(yao)用于對供電(dian)(dian)(dian)(dian)可靠性(見供電(dian)(dian)(dian)(dian)質量)要(yao)求較(jiao)(jiao)(jiao)高,有(you)腐蝕性氣(qi)體和易燃、易爆等(deng)(deng)不宜架(jia)(jia)設低(di)(di)(di)壓(ya)架(jia)(jia)空線(xian)(xian)(xian)路或低(di)(di)(di)壓(ya)架(jia)(jia)空絕緣(yuan)線(xian)(xian)(xian)路的地(di)方(fang)。
電纜敷設路徑
選擇電纜路(lu)徑要考慮下(xia)述條件:
(1)避免電纜受到機械性外力、過熱(re)、腐蝕等危(wei)害;
(2)電纜敷設路徑盡量要短;
(3)便于施工(gong)、維護;
(4)避開(kai)規劃中需要施工的(de)地方(fang);
(5)盡(jin)量不(bu)與其他管線(xian)交叉(cha)。
銅(tong)電(dian)(dian)纜(lan)-YJV22價格(ge),銅(tong)電(dian)(dian)纜(lan)-YJV22批發,銅(tong)電(dian)(dian)纜(lan)-YJV22公司(si)
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