計算機電(dian)(dian)纜(lan)DJYP2V 0.3/0.5kV，全稱(cheng)：額定(ding)電(dian)(dian)壓0.3/0.5kV、銅導體、聚(ju)乙烯(xi)絕(jue)(jue)緣(yuan)(yuan)、銅帶分屏(ping)、聚(ju)護套計算機電(dian)(dian)纜(lan)。絕(jue)(jue)緣(yuan)(yuan)材料(liao)(liao)為氟塑料(liao)(liao)，采(cai)用(yong)(yong)鎳基合(he)金高(gao)溫擠出機高(gao)速(su)生產，擠包在(zai)導體上的(de)(de)(de)絕(jue)(jue)緣(yuan)(yuan)性能符(fu)合(he)Q/的(de)(de)(de)規(gui)(gui)定(ding)。絕(jue)(jue)緣(yuan)(yuan)標(biao)(biao)稱(cheng)厚度符(fu)合(he)相關(guan)標(biao)(biao)準的(de)(de)(de)規(gui)(gui)定(ding)，絕(jue)(jue)緣(yuan)(yuan)厚度平均值(zhi)不(bu)小(xiao)于規(gui)(gui)定(ding)的(de)(de)(de)標(biao)(biao)稱(cheng)值(zhi)，絕(jue)(jue)緣(yuan)(yuan)任一點(dian)***薄(bo)點(dian)的(de)(de)(de)測量厚度不(bu)小(xiao)于標(biao)(biao)稱(cheng)值(zhi)的(de)(de)(de)90%減(jian)去0.1mm。電(dian)(dian)纜(lan)地線(xian)芯(xin)絕(jue)(jue)緣(yuan)(yuan)采(cai)用(yong)(yong)具(ju)有性能的(de)(de)(de)K型B類低密度聚(ju)乙烯(xi)。聚(ju)乙烯(xi)的(de)(de)(de)絕(jue)(jue)緣(yuan)(yuan)電(dian)(dian)阻高(gao)，硅橡(xiang)膠(jiao)電(dian)(dian)纜(lan)，耐(nai)電(dian)(dian)壓好，介電(dian)(dian)系(xi)數小(xiao)和介質損耗溫度和變頻率的(de)(de)(de)影響也小(xiao)，不(bu)但能滿足傳輸性能的(de)(de)(de)要求，而且(qie)能確保電(dian)(dian)纜(lan)的(de)(de)(de)使用(yong)(yong)壽命。

電(dian)(dian)(dian)(dian)子(zi)計(ji)算(suan)(suan)機電(dian)(dian)(dian)(dian)纜(lan)作(zuo)為通訊電(dian)(dian)(dian)(dian)纜(lan)的(de)(de)(de)(de)一種，由(you)一對之上的(de)(de)(de)(de)絕緣電(dian)(dian)(dian)(dian)纜(lan)構成(cheng)(cheng)，好(hao)幾個(ge)絕緣導(dao)體(ti)或體(ti)絞線(xian)的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)纜(lan)芯(xin)(xin)(xin)和(he)維護(hu)電(dian)(dian)(dian)(dian)纜(lan)芯(xin)(xin)(xin)免遭濕氣(qi)和(he)設(she)備破(po)壞的(de)(de)(de)(de)外(wai)護(hu)線(xian)套構成(cheng)(cheng)。在20℃時用直流500V電(dian)(dian)(dian)(dian)壓(ya)試驗穩定充電(dian)(dian)(dian)(dian)1min后(hou)絕緣電(dian)(dian)(dian)(dian)阻(zu)應不(bu)小于2500MΩ·Km各對絞屏蔽之間以及(ji)對絞屏蔽與總屏蔽之間應不(bu)斷路；電(dian)(dian)(dian)(dian)纜(lan)的(de)(de)(de)(de)線(xian)芯(xin)(xin)(xin)和(he)線(xian)芯(xin)(xin)(xin)之間以及(ji)屏蔽之間應經(jing)受50HZ，交流2000V電(dian)(dian)(dian)(dian)壓(ya)試驗5min不(bu)擊穿。計(ji)算(suan)(suan)機電(dian)(dian)(dian)(dian)纜(lan)屬于電(dian)(dian)(dian)(dian)氣(qi)裝(zhuang)備用電(dian)(dian)(dian)(dian)纜(lan)，電(dian)(dian)(dian)(dian)氣(qi)裝(zhuang)備用電(dian)(dian)(dian)(dian)纜(lan)的(de)(de)(de)(de)結構和(he)組成(cheng)(cheng)材料(liao)為復(fu)雜，根(gen)據使用溫(wen)度、工作(zuo)環(huan)境的(de)(de)(de)(de)特殊(shu)要求，計(ji)算(suan)(suan)機電(dian)(dian)(dian)(dian)纜(lan)各結構的(de)(de)(de)(de)組成(cheng)(cheng)材料(liao)種類繁多。

為了減(jian)少回路間(jian)的(de)相(xiang)互串擾和(he)(he)外部干擾，電(dian)纜(lan)需采(cai)用(yong)屏(ping)(ping)(ping)蔽(bi)(bi)結構(gou)。屏(ping)(ping)(ping)蔽(bi)(bi)材料(liao)有(you)鍍錫或非鍍錫銅線、銅帶、銅塑復合帶、鋁塑復合帶等。電(dian)纜(lan)的(de)屏(ping)(ping)(ping)蔽(bi)(bi)要求是根據(ju)(ju)不同(tong)場合分(fen)別采(cai)用(yong)：分(fen)屏(ping)(ping)(ping)蔽(bi)(bi)（僅對絞(jiao)組有(you)屏(ping)(ping)(ping)蔽(bi)(bi)，每(mei)一個對絞(jiao)組都有(you)）、總屏(ping)(ping)(ping)蔽(bi)(bi)（電(dian)纜(lan)僅在纜(lan)計(ji)算(suan)機電(dian)纜(lan)有(you)著(zhu)介質(zhi)損耗小、傳(chuan)輸數據(ju)(ju)傳(chuan)號能力強(qiang)、抗干擾能力能好等特(te)征，能可(ke)靠地傳(chuan)輸數據(ju)(ju)微弱的(de)模擬信號，可(ke)多方面(mian)地應(ying)用(yong)于生產發(fa)電(dian)、冶金工業(ye)、石(shi)油工業(ye)、化(hua)(hua)工、輕工等相(xiang)關部門的(de)機構(gou)和(he)(he)控制用(yong)計(ji)算(suan)機系統或自動化(hua)(hua)技(ji)術裝置，及其普通的(de)工業(ye)生產計(ji)算(suan)機上。