母線槽是由(you)托盤或梯架的(de)(de)直線段(duan)、彎通、組件(jian)以(yi)及托臂(bei)（臂(bei)式支(zhi)架）、吊架等(deng)構成具有密接支(zhi)承電纜(lan)(lan)的(de)(de)剛性結構系統之全稱。 可以(yi)用于全封閉型電纜(lan)(lan)敷設。它(ta)適合用于敷設計算機(ji)電纜(lan)(lan)、通信電纜(lan)(lan)、熱(re)電偶電纜(lan)(lan)及其(qi)它(ta)高(gao)靈敏系統的(de)(de)控(kong)制(zhi)電纜(lan)(lan)。它(ta)對(dui)控(kong)制(zhi)電纜(lan)(lan)的(de)(de)屏(ping)蔽干擾和重腐蝕環境(jing)中電纜(lan)(lan)的(de)(de)防護都有較好效果(guo)。在(zai)工程防火要(yao)求較高(gao)的(de)(de)場所(suo)，不宜(yi)采(cai)用鋁(lv)合金母線槽。

母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)一(yi)(yi)般應(ying)用(yong)(yong)(yong)的(de)行業有：專門(men)的(de)安(an)(an)裝公(gong)司，新建(jian)的(de)廠(chang)房(fang)等(deng)建(jian)筑(zhu)，走電(dian)纜(lan)的(de)時(shi)候都需要(yao)母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)。重點關注電(dian)路較復雜的(de)地方，他們對(dui)母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)的(de)用(yong)(yong)(yong)量較大(da)，如換流站(zhan)，地鐵、機場，空氣(qi)(qi)型(xing)(xing)銅(tong)(tong)排(pai)母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)公(gong)司，發電(dian)站(zhan)，芒市空氣(qi)(qi)型(xing)(xing)銅(tong)(tong)排(pai)母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)，站(zhan)，現(xian)代化廠(chang)房(fang)等(deng)等(deng)。 ? ? ?二(er)次母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)主要(yao)是變電(dian)站(zhan)使用(yong)(yong)(yong)，二(er)次是相對(dui)于(yu)一(yi)(yi)次來(lai)說(shuo)的(de)，其實說(shuo)白(bai)了(le)這就是一(yi)(yi)常用(yong)(yong)(yong)的(de)說(shuo)法，二(er)次母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)也(ye)是母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)，根據加工安(an)(an)裝形式(shi)分為梯式(shi)母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)和槽(cao)式(shi)母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)，空氣(qi)(qi)型(xing)(xing)銅(tong)(tong)排(pai)母(mu)(mu)(mu)(mu)線(xian)(xian)槽(cao)生產商，可以根據電(dian)纜(lan)規(gui)模(mo)和設計要(yao)求采用(yong)(yong)(yong)多(duo)層(ceng)布置的(de)方法。

選(xuan)擇(ze)經(jing)(jing)濟(ji)(ji)的(de)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽截面(mian)(mian)(mian)(mian)：一(yi)般應(ying)(ying)根據長(chang)期(qi)(qi)工作電(dian)(dian)流(liu)(liu)選(xuan)擇(ze)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)截面(mian)(mian)(mian)(mian)。并在(zai)通(tong)過(guo)短(duan)路電(dian)(dian)纜的(de)情況下，空氣型銅排母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽供應(ying)(ying)，檢(jian)查母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽的(de)短(duan)期(qi)(qi)熱(re)(re)穩定(ding)性(xing)和(he)動(dong)態穩定(ding)性(xing)。由于(yu)多(duo)根導(dao)體靠(kao)近時(shi)導(dao)體的(de)電(dian)(dian)阻和(he)交流(liu)(liu)電(dian)(dian)的(de)計量效應(ying)(ying)等因素的(de)影響，母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽在(zai)電(dian)(dian)流(liu)(liu)通(tong)過(guo)時(shi)會發熱(re)(re)。銅、鋁裸母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)長(chang)期(qi)(qi)運行時(shi)允(yun)許加(jia)熱(re)(re)溫度(du)為70℃，但(dan)當接觸面(mian)(mian)(mian)(mian)可靠(kao)鍍(du)錫(xi)（如超聲波鍍(du)錫(xi)等）時(shi)，允(yun)許溫度(du)提高到(dao)(dao)85℃，并允(yun)許連(lian)續加(jia)熱(re)(re)。由于(yu)溫度(du)限制(zhi)，不同材料和(he)截面(mian)(mian)(mian)(mian)的(de)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)給出(chu)相應(ying)(ying)的(de)長(chang)期(qi)(qi)允(yun)許電(dian)(dian)流(liu)(liu)值(zhi)。選(xuan)擇(ze)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)截面(mian)(mian)(mian)(mian)時(shi)，母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)實際長(chang)期(qi)(qi)工作電(dian)(dian)流(liu)(liu)應(ying)(ying)小(xiao)于(yu)所選(xuan)截面(mian)(mian)(mian)(mian)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)的(de)長(chang)期(qi)(qi)允(yun)許電(dian)(dian)流(liu)(liu)值(zhi)。當年(nian)均負荷較(jiao)大(da)(da)且(qie)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽較(jiao)長(chang)時(shi)（如室(shi)外配電(dian)(dian)裝置母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽），通(tong)常按(an)經(jing)(jing)濟(ji)(ji)電(dian)(dian)流(liu)(liu)密度(du)法選(xuan)擇(ze)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽。經(jing)(jing)濟(ji)(ji)電(dian)(dian)流(liu)(liu)密度(du)是(shi)在(zai)考慮母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽和(he)輔(fu)助設(she)備(bei)的(de)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽損耗、年(nian)維護(hu)和(he)折(zhe)舊成本低時(shi)流(liu)(liu)過(guo)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽單位截面(mian)(mian)(mian)(mian)積的(de)電(dian)(dian)流(liu)(liu)。用經(jing)(jing)濟(ji)(ji)電(dian)(dian)流(liu)(liu)密度(du)除(chu)以(yi)長(chang)期(qi)(qi)工作電(dian)(dian)流(liu)(liu)（不包括過(guo)載(zai)）得到(dao)(dao)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)截面(mian)(mian)(mian)(mian)。經(jing)(jing)濟(ji)(ji)電(dian)(dian)流(liu)(liu)密度(du)法選(xuan)擇(ze)的(de)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽截面(mian)(mian)(mian)(mian)一(yi)般大(da)(da)于(yu)按(an)較(jiao)大(da)(da)長(chang)期(qi)(qi)工作電(dian)(dian)流(liu)(liu)選(xuan)擇(ze)的(de)母(mu)(mu)(mu)(mu)(mu)(mu)(mu)線(xian)(xian)(xian)槽截面(mian)(mian)(mian)(mian)。