電(dian)力(li)(li)電(dian)纜對轉彎半徑(jing)的要求也比較嚴格。電(dian)力(li)(li)電(dian)纜在施工中,如果(guo)電(dian)力(li)(li)電(dian)纜轉彎角(jiao)度過大,可能使導體內部受(shou)到(dao)機(ji)械損(sun)傷,而(er)機(ji)械損(sun)傷因被電(dian)力(li)(li)電(dian)纜絕(jue)緣層掩蓋而(er)無法看到(dao),即(ji)使測量(liang)回路電(dian)阻(zu),絕(jue)緣和泄露試驗也很難發現(xian)缺陷(xian),運行(xing)時(shi)則(ze)在受(shou)損(sun)處(chu)過熱使電(dian)纜絕(jue)緣強度下降,...
電(dian)力(li)電(dian)纜(lan)是(shi)用于傳輸和(he)分配(pei)電(dian)能的(de)(de)電(dian)纜(lan),電(dian)力(li)電(dian)纜(lan)常用于城市地下電(dian)網、發電(dian)站(zhan)引出線(xian)路、工礦企業內部供電(dian)及過江海水下輸電(dian)線(xian)。在電(dian)力(li)線(xian)路中,電(dian)纜(lan)所占比重正逐(zhu)漸(jian)增加。電(dian)力(li)電(dian)纜(lan)是(shi)在電(dian)力(li)系統的(de)(de)主干(gan)線(xian)路中用以傳輸和(he)分配(pei)大功率電(dian)能的(de)(de)電(dian)纜(lan)產品,其(qi)中包括1-500...
在(zai)電(dian)(dian)(dian)(dian)力(li)系統中(zhong)常用的電(dian)(dian)(dian)(dian)纜有電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜和控制(zhi)電(dian)(dian)(dian)(dian)纜兩大(da)類,其中(zhong)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜是用來輸(shu)送(song)和分配大(da)功率電(dian)(dian)(dian)(dian)能的。按絕緣(yuan)材料的不同,可以分為油浸紙絕緣(yuan)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜、橡(xiang)皮(pi)絕緣(yuan)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜和聚氯乙(yi)烯絕緣(yuan)電(dian)(dian)(dian)(dian)纜,在(zai)工程上應(ying)用最廣泛的是油浸紙絕緣(yuan)電(dian)(dian)(dian)(dian)力(li)電(dian)(dian)(dian)(dian)纜,由于電(dian)(dian)(dian)(dian)纜在(zai)制(zhi)作中(zhong),以及...