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一、電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)按應用分：（1）電(dian)(dian)(dian)(dian)(dian)力系(xi)統：架空裸電(dian)(dian)(dian)(dian)(dian)線、匯(hui)流排（母線）、電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)（塑料線纜(lan)(lan)、油紙電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)（基(ji)本被塑料電(dian)(dian)(dian)(dian)(dian)力電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)代替(ti)）、橡套線纜(lan)(lan)、架空絕緣電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)）、分支電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)（取代部分母線）、電(dian)(dian)(dian)(dian)(dian)磁線以及電(dian)(dian)(dian)(dian)(dian)氣(qi)設備用線電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)等。（2）信息傳輸系(xi)統：市話電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、電(dian)(dian)(dian)(dian)(dian)視電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)、...

電(dian)(dian)力(li)(li)電(dian)(dian)纜(lan)(lan)對轉彎半(ban)徑的(de)要求也比較(jiao)嚴格(ge)。電(dian)(dian)力(li)(li)電(dian)(dian)纜(lan)(lan)在(zai)施工中，如(ru)果電(dian)(dian)力(li)(li)電(dian)(dian)纜(lan)(lan)轉彎角度(du)過大，可能使(shi)導體內部受(shou)(shou)到機械損(sun)(sun)傷(shang)，而機械損(sun)(sun)傷(shang)因被電(dian)(dian)力(li)(li)電(dian)(dian)纜(lan)(lan)絕(jue)(jue)緣(yuan)(yuan)層(ceng)掩蓋而無法看到，即使(shi)測(ce)量回路電(dian)(dian)阻，絕(jue)(jue)緣(yuan)(yuan)和泄露試驗也很難發現缺陷(xian)，運行時則在(zai)受(shou)(shou)損(sun)(sun)處過熱使(shi)電(dian)(dian)纜(lan)(lan)絕(jue)(jue)緣(yuan)(yuan)強(qiang)度(du)下降，...

電力(li)電纜(lan)是用(yong)(yong)于傳(chuan)輸(shu)(shu)和分配電能(neng)的電纜(lan)，電力(li)電纜(lan)常(chang)用(yong)(yong)于城(cheng)市地下電網、發(fa)電站引(yin)出線路、工礦企業內部供電及過江海水下輸(shu)(shu)電線。在電力(li)線路中(zhong)，電纜(lan)所占比重正(zheng)逐漸增加。電力(li)電纜(lan)是在電力(li)系(xi)統(tong)的主干線路中(zhong)用(yong)(yong)以傳(chuan)輸(shu)(shu)和分配大功率電能(neng)的電纜(lan)產品，其(qi)中(zhong)包括1-500...

電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜在電(dian)(dian)(dian)力(li)系(xi)統主干線(xian)(xian)中用(yong)以(yi)傳輸(shu)和分配大功能(neng)電(dian)(dian)(dian)能(neng)，控制電(dian)(dian)(dian)纜從電(dian)(dian)(dian)力(li)系(xi)統的配電(dian)(dian)(dian)點把電(dian)(dian)(dian)能(neng)直接(jie)傳輸(shu)到各種(zhong)用(yong)電(dian)(dian)(dian)設(she)備器具的電(dian)(dian)(dian)源(yuan)連接(jie)線(xian)(xian)路。電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜的額定電(dian)(dian)(dian)壓一般為(wei)0.6/1kV及(ji)以(yi)上(shang)，控制電(dian)(dian)(dian)纜主要為(wei)450/750V。同樣規格的電(dian)(dian)(dian)力(li)電(dian)(dian)(dian)纜和控制電(dian)(dian)(dian)纜在生產時...

1、規范施(shi)(shi)工(gong)(gong)在敷設電(dian)(dian)(dian)纜(lan)時，施(shi)(shi)工(gong)(gong)人(ren)員必須保證施(shi)(shi)工(gong)(gong)質量，規范施(shi)(shi)工(gong)(gong)。在施(shi)(shi)工(gong)(gong)時要防止牽引力過大、彎曲過度(du)、填土不實、埋設深度(du)不夠等造成(cheng)的(de)(de)，機械(xie)性損傷。電(dian)(dian)(dian)纜(lan)的(de)(de)中間(jian)接頭和終端頭統(tong)稱為(wei)電(dian)(dian)(dian)纜(lan)頭。電(dian)(dian)(dian)纜(lan)頭是影響電(dian)(dian)(dian)纜(lan)絕緣性能的(de)(de)關鍵部位，最容易成(cheng)為(wei)引火源(yuan)。因此，電(dian)(dian)(dian)...

電(dian)力電(dian)纜是在電(dian)力系(xi)統中(zhong)傳輸或分(fen)配大功(gong)率電(dian)能(neng)用的電(dian)纜。隨著(zhu)世界范(fan)圍內的石油化學工業大發展(zhan)，塑(su)料(liao)絕(jue)緣電(dian)力電(dian)纜由于其制(zhi)造工藝(yi)簡單，施工、維護(hu)便捷，成為低壓電(dian)力電(dian)纜中(zhong)的重要品(pin)種。然而在塑(su)料(liao)絕(jue)緣擠制(zhi)過程中(zhong)不免(mian)會產(chan)生(sheng)碰傷(shang)、刮傷(shang)、壓傷(shang)、擊穿(chuan)等缺(que)陷點，為了(le)...

在電(dian)(dian)力(li)系統中常用的(de)電(dian)(dian)纜(lan)(lan)有(you)電(dian)(dian)力(li)電(dian)(dian)纜(lan)(lan)和控制電(dian)(dian)纜(lan)(lan)兩(liang)大類，其中電(dian)(dian)力(li)電(dian)(dian)纜(lan)(lan)是用來輸送和分配大功率電(dian)(dian)能(neng)的(de)。按絕(jue)(jue)緣(yuan)(yuan)材料的(de)不同，可以分為油浸(jin)紙絕(jue)(jue)緣(yuan)(yuan)電(dian)(dian)力(li)電(dian)(dian)纜(lan)(lan)、橡皮絕(jue)(jue)緣(yuan)(yuan)電(dian)(dian)力(li)電(dian)(dian)纜(lan)(lan)和聚(ju)氯乙烯絕(jue)(jue)緣(yuan)(yuan)電(dian)(dian)纜(lan)(lan)，在工程(cheng)上應用最廣泛的(de)是油浸(jin)紙絕(jue)(jue)緣(yuan)(yuan)電(dian)(dian)力(li)電(dian)(dian)纜(lan)(lan)，由于(yu)電(dian)(dian)纜(lan)(lan)在制作中，以及...

電(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)纜(lan)在電(dian)(dian)(dian)(dian)(dian)力(li)系統(tong)主(zhu)干線(xian)(xian)中用以傳(chuan)輸和分配(pei)大功能電(dian)(dian)(dian)(dian)(dian)能，控(kong)制電(dian)(dian)(dian)(dian)(dian)纜(lan)從電(dian)(dian)(dian)(dian)(dian)力(li)系統(tong)的(de)配(pei)電(dian)(dian)(dian)(dian)(dian)點把電(dian)(dian)(dian)(dian)(dian)能直接(jie)傳(chuan)輸到各種用電(dian)(dian)(dian)(dian)(dian)設備器具的(de)電(dian)(dian)(dian)(dian)(dian)源連接(jie)線(xian)(xian)路。電(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)纜(lan)的(de)額(e)定(ding)電(dian)(dian)(dian)(dian)(dian)壓一般為(wei)0.6/1KV及以上，控(kong)制電(dian)(dian)(dian)(dian)(dian)纜(lan)主(zhu)要(yao)為(wei)450/750V。同樣規格的(de)電(dian)(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)(dian)纜(lan)和控(kong)制電(dian)(dian)(dian)(dian)(dian)纜(lan)在生(sheng)產時...

外(wai)力(li)損(sun)傷(shang)(shang)：在電纜的(de)保管、運輸(shu)、敷(fu)設(she)和運行過程中都可(ke)能遭(zao)受外(wai)力(li)損(sun)傷(shang)(shang)，特別是已(yi)運行的(de)直埋電纜，在其他工(gong)程的(de)地面施工(gong)中易遭(zao)損(sun)傷(shang)(shang)。這類事故(gu)往往占電纜事故(gu)的(de)50%。為(wei)避免這類事故(gu)，除(chu)加強(qiang)電纜保管、運輸(shu)、敷(fu)設(she)等各環節的(de)工(gong)作質(zhi)量外(wai)，更重要的(de)是嚴格執行動土...

電(dian)力電(dian)纜的(de)(de)絕緣層是由紙(zhi)、油(you)、麻(ma)、橡膠、塑(su)料、瀝青等各種(zhong)可燃物質(zhi)組成，因此，電(dian)纜具有起(qi)(qi)火爆炸(zha)的(de)(de)可能性。導(dao)致電(dian)纜起(qi)(qi)火爆炸(zha)的(de)(de)原因是：（1）絕緣損(sun)壞(huai)引起(qi)(qi)短路故障(zhang)。電(dian)力電(dian)纜的(de)(de)保(bao)護鉛皮在敷(fu)設時被(bei)損(sun)壞(huai)或在運行中電(dian)纜絕緣受機械(xie)損(sun)傷，引起(qi)(qi)電(dian)纜相(xiang)間或鉛皮間的(de)(de)絕...

在電(dian)(dian)力(li)(li)線(xian)路中，電(dian)(dian)纜(lan)所占比重(zhong)正逐(zhu)漸(jian)增(zeng)加。電(dian)(dian)力(li)(li)電(dian)(dian)纜(lan)是(shi)在電(dian)(dian)力(li)(li)系統的(de)主干線(xian)路中用以傳(chuan)輸和分配大功率電(dian)(dian)能的(de)電(dian)(dian)纜(lan)產品，包括1-500KV以及以上各(ge)種電(dian)(dian)壓等級，各(ge)種絕緣的(de)電(dian)(dian)力(li)(li)電(dian)(dian)纜(lan)。電(dian)(dian)力(li)(li)電(dian)(dian)纜(lan)的(de)基本結構由(you)線(xian)芯（導體）、絕緣層(ceng)、屏蔽層(ceng)和保護(hu)層(ceng)四部分組成。一、線(xian)...

在(zai)電(dian)力(li)線路中，電(dian)纜(lan)所占比重正逐(zhu)漸增加。電(dian)力(li)電(dian)纜(lan)是在(zai)電(dian)力(li)系統的(de)主(zhu)干線路中用以(yi)傳輸和分配大功率(lv)電(dian)能的(de)電(dian)纜(lan)產品(pin)，包括1-500KV以(yi)及以(yi)上各種(zhong)電(dian)壓(ya)等級，各種(zhong)絕緣(yuan)的(de)電(dian)力(li)電(dian)纜(lan)。一、按電(dian)壓(ya)等級分按電(dian)壓(ya)等級可分為中、低壓(ya)電(dian)力(li)電(dian)纜(lan)（35千伏及以(yi)下(xia)）、高(gao)壓(ya)電(dian)...