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直(zhi)流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)與交流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)相比有以(yi)下特點： 1、所用(yong)系(xi)統(tong)不(bu)同。直(zhi)流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)用(yong)于(yu)整流(liu)后的(de)(de)直(zhi)流(liu)輸(shu)電(dian)(dian)(dian)(dian)系(xi)統(tong)中，交流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)常用(yong)于(yu)工頻(pin)（國內50Hz）的(de)(de)電(dian)(dian)(dian)(dian)力系(xi)統(tong)中。 2、與交流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)相比，直(zhi)流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)(de)傳(chuan)輸(shu)過(guo)程中的(de)(de)電(dian)(dian)(dian)(dian)能(neng)損耗較小。直(zhi)流(liu)電(dian)(dian)(dian)(dian)纜(lan)(lan)的(de)(de)電(dian)(dian)(dian)(dian)能(neng)損耗主(zhu)要是...