電(dian)(dian)(dian)(dian)纜(lan)加上交流(liu)電(dian)(dian)(dian)(dian)壓，就有電(dian)(dian)(dian)(dian)流(liu)流(liu)過，什么牌子的(de)(de)(de)電(dian)(dian)(dian)(dian)線(xian)(xian)好，當(dang)電(dian)(dian)(dian)(dian)壓的(de)(de)(de)幅值和(he)頻率一(yi)定時，安徽(hui)電(dian)(dian)(dian)(dian)線(xian)(xian)，電(dian)(dian)(dian)(dian)容(rong)(rong)電(dian)(dian)(dian)(dian)流(liu)的(de)(de)(de)大小是(shi)(shi)(shi)正比于(yu)電(dian)(dian)(dian)(dian)纜(lan)的(de)(de)(de)電(dian)(dian)(dian)(dian)容(rong)(rong)(Cx)。對于(yu)超(chao)高壓電(dian)(dian)(dian)(dian)纜(lan)，這種(zhong)(zhong)電(dian)(dian)(dian)(dian)容(rong)(rong)的(de)(de)(de)電(dian)(dian)(dian)(dian)流(liu)可(ke)能(neng)達到與額定電(dian)(dian)(dian)(dian)流(liu)可(ke)以相比的(de)(de)(de)數值，成為限制電(dian)(dian)(dian)(dian)纜(lan)容(rong)(rong)量和(he)傳輸距離的(de)(de)(de)重要因(yin)素(su)。因(yin)此電(dian)(dian)(dian)(dian)纜(lan)的(de)(de)(de)電(dian)(dian)(dian)(dian)容(rong)(rong)也是(shi)(shi)(shi)電(dian)(dian)(dian)(dian)纜(lan)的(de)(de)(de)主(zhu)要的(de)(de)(de)電(dian)(dian)(dian)(dian)性能(neng)參(can)數之(zhi)一(yi)。在(zai)交流(liu)電(dian)(dian)(dian)(dian)場中，電(dian)(dian)(dian)(dian)纜(lan)中的(de)(de)(de)絕緣(yuan)體由(you)于(yu)泄露(lu)電(dian)(dian)(dian)(dian)流(liu)和(he)各(ge)種(zhong)(zhong)極化存(cun)在(zai)，會(hui)形成介(jie)(jie)(jie)質損耗(hao)，以介(jie)(jie)(jie)質損耗(hao)因(yin)數或損耗(hao)角正切值(TAN)來表示，它(ta)不但浪費電(dian)(dian)(dian)(dian)能(neng)，電(dian)(dian)(dian)(dian)線(xian)(xian)的(de)(de)(de)規格型號，而且會(hui)使介(jie)(jie)(jie)質(絕緣(yuan)體)發(fa)熱(re)，加速(su)絕緣(yuan)老化，因(yin)此TAN也是(shi)(shi)(shi)電(dian)(dian)(dian)(dian)纜(lan)主(zhu)要參(can)數之(zhi)一(yi)。

電(dian)(dian)(dian)(dian)纜的(de)現(xian)場修(xiu)補也所(suo)用(yong)的(de)一些工具(ju)和材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)必須準備充分(fen)，塑料(liao)焊(han)是必備的(de)，高(gao)壓(ya)(ya)絕緣(yuan)(yuan)膠帶，防水膠帶和塑料(liao)絕緣(yuan)(yuan)和護(hu)套剝切下(xia)來(lai)的(de)皮子(zi)，等(deng)密封材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)，也必須準備，因為(wei)電(dian)(dian)(dian)(dian)纜絕緣(yuan)(yuan)護(hu)套材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)主要分(fen)為(wei)交聯聚(ju)(ju)乙烯(xi)，聚(ju)(ju)乙烯(xi)，聚(ju)(ju)等(deng)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)。在現(xian)場用(yong)原材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)進(jin)行(xing)修(xiu)補，只能(neng)用(yong)高(gao)壓(ya)(ya)絕緣(yuan)(yuan)膠帶進(jin)行(xing)修(xiu)補。而有(you)些材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)屬于熱塑性(xing)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)，電(dian)(dian)(dian)(dian)線電(dian)(dian)(dian)(dian)纜價(jia)格(ge)表(biao)，完(wan)全可(ke)以再(zai)次用(yong)高(gao)溫使其熔融利用(yong)，如(ru)聚(ju)(ju)乙烯(xi)，聚(ju)(ju)等(deng)材(cai)(cai)(cai)(cai)(cai)(cai)料(liao)，有(you)可(ke)以現(xian)場取(qu)材(cai)(cai)(cai)(cai)(cai)(cai)，利用(yong)電(dian)(dian)(dian)(dian)纜端(duan)部剝切下(xia)來(lai)的(de)邊角護(hu)套料(liao)切成細條(tiao)，就可(ke)以實現(xian)對(dui)低壓(ya)(ya)電(dian)(dian)(dian)(dian)纜絕緣(yuan)(yuan)和護(hu)套方面(mian)的(de)修(xiu)補，其修(xiu)補質量完(wan)全可(ke)以達到電(dian)(dian)(dian)(dian)纜正常(chang)使用(yong)性(xing)能(neng)方面(mian)的(de)要求。

電(dian)線(xian)電(dian)纜(lan)產品的(de)正確存(cun)(cun)(cun)放(fang)(fang)(fang)和(he)運輸方(fang)法1、在對線(xian)纜(lan)進行存(cun)(cun)(cun)放(fang)(fang)(fang)的(de)時候，嚴禁與酸、堿(jian)及礦物(wu)油類接觸(chu)，要與這(zhe)些有(you)(you)腐(fu)蝕性的(de)物(wu)質隔(ge)離存(cun)(cun)(cun)放(fang)(fang)(fang)；2、貯存(cun)(cun)(cun)電(dian)纜(lan)的(de)庫房內不得有(you)(you)破壞絕緣(yuan)及腐(fu)蝕金屬的(de)有(you)(you)害氣(qi)體存(cun)(cun)(cun)在；3、盡可(ke)能避(bi)免在露天(tian)以裸(luo)1露方(fang)式(shi)存(cun)(cun)(cun)放(fang)(fang)(fang)電(dian)纜(lan)，電(dian)纜(lan)盤不允許平放(fang)(fang)(fang)；4、電(dian)纜(lan)在保(bao)管期(qi)間，應(ying)定期(qi)滾動(夏季(ji)3個月一(yi)次，其他季(ji)節可(ke)酌情(qing)延期(qi))。