依據電(dian)線電(dian)纜工作的特(te)點,電(dian)線電(dian)纜線路任務(wu)人員除須恪守(shou)規定(ding)的章程以外,還要特(te)別(bie)關注安(an)全和其(qi)他方面的一些問題。
1、電線(xian)電纜線(xian)路具有(you)蔭蔽性,它比架(jia)空線(xian)復雜,具有(you)潛(qian)在的(de)不平安(an)要素。線(xian)路任務(wu)開端前需細心核對銘牌。
2、礦用電纜與熱力管道平行安裝時應保(bao)持2m的距離,交(jiao)叉時應保(bao)持0.5m。
3、電纜的彎(wan)曲半徑,多芯電纜不(bu)得低于15D,單芯電纜不(bu)得低于20D(D為(wei)電纜外徑)。
4、電(dian)(dian)(dian)力電(dian)(dian)(dian)纜具有(you)一(yi)定電(dian)(dian)(dian)容(rong),具有(you)充放電(dian)(dian)(dian)特性。停電(dian)(dian)(dian)后接地前(qian)、耐壓實驗(yan)和(he)測量(liang)絕緣電(dian)(dian)(dian)阻前(qian)后,都要(yao)對電(dian)(dian)(dian)纜逐相充沛放電(dian)(dian)(dian)。
5、對電線電纜終(zhong)頭和中間接頭的基本要求:導(dao)體連(lian)接良(liang)好;絕緣可靠(kao),推薦采用輻(fu)照交聯熱(re)收(shou)縮(suo)型硅橡(xiang)膠絕緣材料; 密(mi)封良(liang)好,足(zu)夠(gou)的機械(xie)強度(du),能適應(ying)各(ge)種運行條(tiao)件。