計(ji)(ji)(ji)算(suan)機電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)屬(shu)于電(dian)(dian)(dian)(dian)氣裝(zhuang)備(bei)用(yong)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)，計(ji)(ji)(ji)算(suan)機電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)標準，由好(hao)幾個絕(jue)緣導(dao)體(ti)或體(ti)絞線的(de)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)芯(xin)和維(wei)護(hu)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)芯(xin)免遭濕氣和設備(bei)破壞的(de)外護(hu)線套(tao)構(gou)成。根據(ju)不同環境和設備(bei)的(de)使用(yong)要求，電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)絕(jue)緣可采用(yong)聚乙(yi)烯(xi)(xi)、聚、交聯聚乙(yi)烯(xi)(xi)、氟(fu)塑料(liao)、硅橡(xiang)膠等(deng)材料(liao)。計(ji)(ji)(ji)算(suan)機電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)屬(shu)于電(dian)(dian)(dian)(dian)氣裝(zhuang)備(bei)用(yong)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)，電(dian)(dian)(dian)(dian)氣裝(zhuang)備(bei)用(yong)電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)的(de)結(jie)構(gou)和組(zu)(zu)成材料(liao)為復雜(za)，根據(ju)使用(yong)溫度、工作(zuo)環境的(de)特殊要求，計(ji)(ji)(ji)算(suan)機電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)型號，計(ji)(ji)(ji)算(suan)機電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)各結(jie)構(gou)的(de)組(zu)(zu)成材料(liao)種類繁(fan)多，計(ji)(ji)(ji)算(suan)機電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)DJYP2V 0.3/0.5kV，全稱：額定電(dian)(dian)(dian)(dian)壓(ya)0.3/0.5kV、銅導(dao)體(ti)、聚乙(yi)烯(xi)(xi)絕(jue)緣、銅帶分屏(ping)、聚護(hu)套(tao)計(ji)(ji)(ji)算(suan)機電(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)。

計(ji)(ji)算機(ji)電(dian)纜，采(cai)用(yong)(yong)介電(dian)常數小的高(gao)壓(ya)聚(ju)乙(yi)烯(xi)作絕緣性。采(cai)取對絞、對屏(ping)、總(zong)屏(ping)（或(huo)三線(xian)組(zu)合、組(zu)屏(ping)蔽(bi)(bi)(bi)掉、組(zu)屏(ping)總(zong)屏(ping)）等結(jie)構(gou)形式(shi)。計(ji)(ji)算機(ji)電(dian)纜的芯對芯、芯對屏(ping)蔽(bi)(bi)(bi)或(huo)其它金屬(shu)層應(ying)能承受50赫茲、交(jiao)流電(dian)壓(ya)2000伏(fu)/1分鐘(zhong)或(huo)1500伏(fu)/5分鐘(zhong)而不(bu)擊穿。根據用(yong)(yong)戶的更高(gao)要求和應(ying)用(yong)(yong)場合，總(zong)屏(ping)蔽(bi)(bi)(bi)結(jie)構(gou)可采(cai)用(yong)(yong)復合屏(ping)蔽(bi)(bi)(bi)方式(shi)，包括兩層屏(ping)蔽(bi)(bi)(bi)，由金屬(shu)帶纏繞+金屬(shu)絲(si)(si)編(bian)織(zhi)(zhi)組(zu)成。按照用(yong)(yong)戶和使(shi)用(yong)(yong)場合的更高(gao)要求，亳州計(ji)(ji)算機(ji)電(dian)纜，總(zong)屏(ping)蔽(bi)(bi)(bi)結(jie)構(gou)可以(yi)采(cai)用(yong)(yong)復合屏(ping)蔽(bi)(bi)(bi)方式(shi)，即包含兩層屏(ping)蔽(bi)(bi)(bi)，由金屬(shu)帶繞包+金屬(shu)絲(si)(si)編(bian)織(zhi)(zhi)構(gou)成。

電纜(lan)的(de)屏(ping)蔽(bi)(bi)(bi)要(yao)求是根據(ju)不同場合(he)分別采(cai)用(yong)：分屏(ping)蔽(bi)(bi)(bi)（僅對(dui)絞組有屏(ping)蔽(bi)(bi)(bi)，電子計算機電纜(lan)，每一(yi)個(ge)對(dui)絞組都有）、總(zong)屏(ping)蔽(bi)(bi)(bi)（電纜(lan)僅在纜(lan)按照(zhao)用(yong)戶和使用(yong)場合(he)的(de)更高要(yao)求，總(zong)屏(ping)蔽(bi)(bi)(bi)結構可以采(cai)用(yong)復合(he)屏(ping)蔽(bi)(bi)(bi)方式(shi)，即包(bao)(bao)含兩(liang)層屏(ping)蔽(bi)(bi)(bi)，由金(jin)屬(shu)帶(dai)繞包(bao)(bao)+金(jin)屬(shu)絲(si)(si)編(bian)織構成。其中(zhong)金(jin)屬(shu)帶(dai)采(cai)用(yong)繞包(bao)(bao)生產方式(shi)，搭蓋(gai)(gai)(gai)率(lv)(lv)通常(chang)應不小(xiao)(xiao)于15%，但特定(ding)(ding)標準有特殊的(de)規(gui)(gui)定(ding)(ding)，如TICW/06規(gui)(gui)定(ding)(ding)屏(ping)蔽(bi)(bi)(bi)金(jin)屬(shu)帶(dai)搭蓋(gai)(gai)(gai)率(lv)(lv)應不小(xiao)(xiao)于25%；金(jin)屬(shu)絲(si)(si)采(cai)用(yong)編(bian)織生產方式(shi)，編(bian)織覆蓋(gai)(gai)(gai)率(lv)(lv)應不小(xiao)(xiao)于80%，如對(dui)抗干擾(rao)有較高要(yao)求，覆蓋(gai)(gai)(gai)率(lv)(lv)可不小(xiao)(xiao)于90%。