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一、電(dian)(dian)(dian)纜(lan)(lan)按應用分(fen)：（1）電(dian)(dian)(dian)力(li)系(xi)統：架空裸電(dian)(dian)(dian)線(xian)(xian)、匯流排（母(mu)(mu)線(xian)(xian)）、電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)（塑料線(xian)(xian)纜(lan)(lan)、油紙電(dian)(dian)(dian)纜(lan)(lan)（基本被塑料電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)代替）、橡套線(xian)(xian)纜(lan)(lan)、架空絕緣電(dian)(dian)(dian)纜(lan)(lan)）、分(fen)支電(dian)(dian)(dian)纜(lan)(lan)（取代部分(fen)母(mu)(mu)線(xian)(xian)）、電(dian)(dian)(dian)磁線(xian)(xian)以及電(dian)(dian)(dian)氣(qi)設備用線(xian)(xian)電(dian)(dian)(dian)纜(lan)(lan)等。（2）信息傳輸系(xi)統：市話電(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)視電(dian)(dian)(dian)纜(lan)(lan)、...

電(dian)(dian)力電(dian)(dian)纜對轉彎(wan)半徑的要求也比較嚴格。電(dian)(dian)力電(dian)(dian)纜在(zai)施工中，如果電(dian)(dian)力電(dian)(dian)纜轉彎(wan)角度過(guo)大(da)，可能使導體(ti)內部受(shou)到機械(xie)損傷(shang)，而機械(xie)損傷(shang)因(yin)被電(dian)(dian)力電(dian)(dian)纜絕(jue)緣層掩蓋而無法看到，即使測量回路電(dian)(dian)阻(zu)，絕(jue)緣和泄露試驗也很難發(fa)現缺陷，運(yun)行(xing)時則在(zai)受(shou)損處(chu)過(guo)熱(re)使電(dian)(dian)纜絕(jue)緣強度下降，...

電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)是用于(yu)傳輸和分配(pei)電(dian)(dian)(dian)(dian)(dian)(dian)能的電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)，電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)常用于(yu)城市地下電(dian)(dian)(dian)(dian)(dian)(dian)網(wang)、發電(dian)(dian)(dian)(dian)(dian)(dian)站(zhan)引出線(xian)路(lu)(lu)、工礦企業內部(bu)供電(dian)(dian)(dian)(dian)(dian)(dian)及過(guo)江海(hai)水下輸電(dian)(dian)(dian)(dian)(dian)(dian)線(xian)。在電(dian)(dian)(dian)(dian)(dian)(dian)力線(xian)路(lu)(lu)中(zhong)，電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)所占比重正(zheng)逐(zhu)漸增加。電(dian)(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)是在電(dian)(dian)(dian)(dian)(dian)(dian)力系(xi)統(tong)的主(zhu)干線(xian)路(lu)(lu)中(zhong)用以傳輸和分配(pei)大功率電(dian)(dian)(dian)(dian)(dian)(dian)能的電(dian)(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)產品，其中(zhong)包括1-500...

電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)在電(dian)(dian)(dian)力(li)系統主干(gan)線中用以(yi)傳輸和(he)分配大功能電(dian)(dian)(dian)能，控制電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)從電(dian)(dian)(dian)力(li)系統的(de)(de)配電(dian)(dian)(dian)點把電(dian)(dian)(dian)能直接傳輸到各(ge)種用電(dian)(dian)(dian)設備器具的(de)(de)電(dian)(dian)(dian)源連接線路。電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)(de)額定電(dian)(dian)(dian)壓一般為(wei)0.6/1kV及以(yi)上，控制電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)主要為(wei)450/750V。同樣規(gui)格(ge)的(de)(de)電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)和(he)控制電(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)在生(sheng)產時...

1、規范(fan)施工(gong)(gong)在敷設電(dian)(dian)纜時(shi)，施工(gong)(gong)人(ren)員必須保證施工(gong)(gong)質量(liang)，規范(fan)施工(gong)(gong)。在施工(gong)(gong)時(shi)要防止(zhi)牽引力(li)過(guo)大(da)、彎曲過(guo)度、填土不(bu)實、埋設深度不(bu)夠等(deng)造(zao)成的(de)，機械性(xing)損傷。電(dian)(dian)纜的(de)中(zhong)間接頭和終端頭統稱為(wei)電(dian)(dian)纜頭。電(dian)(dian)纜頭是影響電(dian)(dian)纜絕緣(yuan)性(xing)能(neng)的(de)關(guan)鍵部位，最容(rong)易(yi)成為(wei)引火(huo)源。因(yin)此(ci)，電(dian)(dian)...

電(dian)力(li)電(dian)纜(lan)是在(zai)電(dian)力(li)系統中傳輸或分配大功(gong)率電(dian)能用的(de)(de)電(dian)纜(lan)。隨著世(shi)界范(fan)圍內的(de)(de)石油化學工(gong)業(ye)大發展(zhan)，塑料絕緣電(dian)力(li)電(dian)纜(lan)由于(yu)其制(zhi)造工(gong)藝簡單，施工(gong)、維護便捷(jie)，成為低壓(ya)電(dian)力(li)電(dian)纜(lan)中的(de)(de)重要品種(zhong)。然而在(zai)塑料絕緣擠制(zhi)過(guo)程(cheng)中不免會(hui)產生碰傷、刮傷、壓(ya)傷、擊穿等缺(que)陷點，為了...

在(zai)電(dian)(dian)(dian)力系統中(zhong)常(chang)用的(de)(de)電(dian)(dian)(dian)纜(lan)(lan)(lan)有(you)電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)(lan)和(he)控制電(dian)(dian)(dian)纜(lan)(lan)(lan)兩大(da)類(lei)，其中(zhong)電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)(lan)是用來輸送和(he)分配大(da)功率電(dian)(dian)(dian)能(neng)的(de)(de)。按絕緣材料的(de)(de)不同，可以分為(wei)油浸紙絕緣電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)(lan)、橡皮絕緣電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)(lan)和(he)聚氯乙烯絕緣電(dian)(dian)(dian)纜(lan)(lan)(lan)，在(zai)工程上(shang)應(ying)用最廣泛的(de)(de)是油浸紙絕緣電(dian)(dian)(dian)力電(dian)(dian)(dian)纜(lan)(lan)(lan)，由于電(dian)(dian)(dian)纜(lan)(lan)(lan)在(zai)制作中(zhong)，以及...

電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)纜在電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)系統(tong)主(zhu)干線中用以(yi)傳輸和(he)分(fen)配大功能電(dian)(dian)(dian)(dian)(dian)(dian)能，控制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)纜從(cong)電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)系統(tong)的配電(dian)(dian)(dian)(dian)(dian)(dian)點把電(dian)(dian)(dian)(dian)(dian)(dian)能直(zhi)接傳輸到各種(zhong)用電(dian)(dian)(dian)(dian)(dian)(dian)設備器具的電(dian)(dian)(dian)(dian)(dian)(dian)源(yuan)連(lian)接線路。電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)纜的額定電(dian)(dian)(dian)(dian)(dian)(dian)壓(ya)一般(ban)為(wei)(wei)0.6/1KV及以(yi)上，控制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)纜主(zhu)要為(wei)(wei)450/750V。同(tong)樣規格的電(dian)(dian)(dian)(dian)(dian)(dian)力(li)(li)(li)電(dian)(dian)(dian)(dian)(dian)(dian)纜和(he)控制(zhi)電(dian)(dian)(dian)(dian)(dian)(dian)纜在生產時(shi)...

外(wai)力損傷：在電(dian)纜(lan)的保(bao)(bao)管(guan)(guan)、運輸(shu)、敷(fu)設(she)和運行(xing)過程中都(dou)可能遭(zao)受外(wai)力損傷，特別是已運行(xing)的直埋電(dian)纜(lan)，在其他工(gong)程的地面施工(gong)中易遭(zao)損傷。這(zhe)類事故往(wang)往(wang)占電(dian)纜(lan)事故的50%。為避免這(zhe)類事故，除加強電(dian)纜(lan)保(bao)(bao)管(guan)(guan)、運輸(shu)、敷(fu)設(she)等各環節的工(gong)作質量外(wai)，更重(zhong)要的是嚴格執行(xing)動土...

電(dian)(dian)力電(dian)(dian)纜(lan)(lan)的(de)絕(jue)緣層是(shi)由(you)紙(zhi)、油、麻(ma)、橡膠、塑料、瀝青等(deng)各種可(ke)燃物質(zhi)組成(cheng)，因(yin)此，電(dian)(dian)纜(lan)(lan)具有起(qi)火爆炸的(de)可(ke)能性。導致(zhi)電(dian)(dian)纜(lan)(lan)起(qi)火爆炸的(de)原(yuan)因(yin)是(shi)：（1）絕(jue)緣損(sun)壞引起(qi)短(duan)路故障。電(dian)(dian)力電(dian)(dian)纜(lan)(lan)的(de)保(bao)護鉛皮(pi)在敷設時(shi)被損(sun)壞或(huo)(huo)在運行(xing)中電(dian)(dian)纜(lan)(lan)絕(jue)緣受(shou)機械損(sun)傷，引起(qi)電(dian)(dian)纜(lan)(lan)相(xiang)間或(huo)(huo)鉛皮(pi)間的(de)絕(jue)...

在(zai)電(dian)(dian)力線(xian)(xian)路中，電(dian)(dian)纜所占(zhan)比重正逐漸增加。電(dian)(dian)力電(dian)(dian)纜是在(zai)電(dian)(dian)力系(xi)統的主干線(xian)(xian)路中用以傳輸和(he)分配(pei)大功率(lv)電(dian)(dian)能(neng)的電(dian)(dian)纜產品，包括1-500KV以及(ji)以上各種電(dian)(dian)壓(ya)等級，各種絕緣的電(dian)(dian)力電(dian)(dian)纜。電(dian)(dian)力電(dian)(dian)纜的基本結構由線(xian)(xian)芯（導(dao)體）、絕緣層、屏蔽(bi)層和(he)保護層四(si)部分組成。一、線(xian)(xian)...

在電(dian)(dian)(dian)力(li)線路中(zhong)(zhong)，電(dian)(dian)(dian)纜(lan)所(suo)占比重正逐漸增(zeng)加。電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)是在電(dian)(dian)(dian)力(li)系統的主干(gan)線路中(zhong)(zhong)用以(yi)傳輸和分配(pei)大功率電(dian)(dian)(dian)能的電(dian)(dian)(dian)纜(lan)產品，包括1-500KV以(yi)及(ji)(ji)以(yi)上(shang)各種電(dian)(dian)(dian)壓等級，各種絕緣的電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)。一、按(an)電(dian)(dian)(dian)壓等級分按(an)電(dian)(dian)(dian)壓等級可分為(wei)中(zhong)(zhong)、低壓電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜(lan)（35千伏及(ji)(ji)以(yi)下）、高壓電(dian)(dian)(dian)...