密(mi)(mi)集(ji)(ji)(ji)型(xing)母(mu)(mu)線(xian)(xian)槽(cao)(cao)較(jiao)為(wei)容易出(chu)現溫(wen)度過高(gao)的(de)(de)現象(xiang)，知道解(jie)決方(fang)法很重(zhong)要(yao)(yao)，如果密(mi)(mi)集(ji)(ji)(ji)型(xing)母(mu)(mu)線(xian)(xian)槽(cao)(cao)溫(wen)度太高(gao)，就(jiu)會(hui)發生故障。我們(men)要(yao)(yao)了(le)集(ji)(ji)(ji)型(xing)母(mu)(mu)線(xian)(xian)槽(cao)(cao)的(de)(de)降溫(wen)方(fang)式(shi)，避免出(chu)現溫(wen)度過高(gao)影響(xiang)母(mu)(mu)線(xian)(xian)槽(cao)(cao)。因為(wei)不(bu)同(tong)的(de)(de)產品不(bu)同(tong)的(de)(de)散熱(re)性能，密(mi)(mi)集(ji)(ji)(ji)型(xing)母(mu)(mu)線(xian)(xian)槽(cao)(cao)價(jia)格，載流容量每平(ping)方(fang)毫米(mi)也(ye)(ye)有所不(bu)同(tong)。相(xiang)同(tong)的(de)(de)產品、相(xiang)同(tong)規格的(de)(de)導(dao)線(xian)(xian)，密(mi)(mi)集(ji)(ji)(ji)型(xing)母(mu)(mu)線(xian)(xian)槽(cao)(cao)報價(jia)，通過相(xiang)同(tong)的(de)(de)電(dian)流，當溫(wen)度上升(sheng)散熱(re)性能也(ye)(ye)會(hui)變；由于(yu)橫截面積不(bu)同(tong)的(de)(de)設計，溫(wen)升(sheng)也(ye)(ye)不(bu)同(tong)。當然，密(mi)(mi)集(ji)(ji)(ji)型(xing)母(mu)(mu)線(xian)(xian)槽(cao)(cao)供應，溫(wen)升(sheng)高(gao)，電(dian)阻值增加時，壓強增加，能量損失也(ye)(ye)增加了(le)。

母(mu)(mu)(mu)線槽的(de)極(ji)限(xian)溫升(sheng)(sheng)是(shi)多(duo)(duo)少？母(mu)(mu)(mu)線通(tong)道(dao)的(de)極(ji)限(xian)溫升(sheng)(sheng)是(shi)指當母(mu)(mu)(mu)線通(tong)道(dao)在額定電(dian)流(liu)下滿載運行時，從(cong)高穩定溫度中減(jian)去環境(jing)溫度所(suo)獲得的(de)溫升(sheng)(sheng)，通(tong)常用(yong)(yong)K表示(shi)。母(mu)(mu)(mu)線設計。溫度升(sheng)(sheng)高限(xian)制了(le)乘用(yong)(yong)車的(de)載流(liu)量。溫度升(sheng)(sheng)高會(hui)縮短(duan)總線壽命，增加(jia)功率損耗(hao)和電(dian)壓(ya)降(jiang)。同時也會(hui)影(ying)響環境(jing)溫度，加(jia)速(su)周(zhou)圍設備絕(jue)緣(yuan)材料(liao)的(de)老化，甚至引起安(an)全(quan)事(shi)故。 ? 在我國，由(you)(you)電(dian)力引起的(de)火災事(shi)故占所(suo)有(you)火災事(shi)故的(de)60％以上(shang)。由(you)(you)電(dian)力引起的(de)火災事(shi)故包括：電(dian)纜，電(dian)線，高低壓(ya)成(cheng)套(tao)設備，變壓(ya)器，母(mu)(mu)(mu)線槽，電(dian)氣組件等。其(qi)中大多(duo)(duo)數是(shi)由(you)(you)于長(chang)期溫升(sheng)(sheng)和發熱，導(dao)致老化和絕(jue)緣(yuan)材料(liao)短(duan)路。

先在(zai)(zai)(zai)高(gao)層(ceng)建(jian)(jian)筑的(de)供(gong)電(dian)(dian)(dian)系統中，供(gong)電(dian)(dian)(dian)主干線(xian)(xian)(xian)起著非常重要(yao)(yao)(yao)的(de)作用(yong)(yong)(yong)，它好似人體(ti)中的(de)大(da)(da)動脈，一旦出(chu)(chu)現故障就會造(zao)成(cheng)嚴重的(de)后果(guo)。因此(ci)，生產、建(jian)(jian)設(she)及科研(yan)單位一直(zhi)在(zai)(zai)(zai)為供(gong)電(dian)(dian)(dian)主干線(xian)(xian)(xian)的(de)可靠性作出(chu)(chu)努力，不斷(duan)改進，以(yi)期創造(zao)出(chu)(chu)安(an)裝(zhuang)維護簡便、、性能(neng)穩定的(de)新(xin)產品。室內導(dao)線(xian)(xian)(xian)敷(fu)設(she)方式可分為：明敷(fu)——導(dao)線(xian)(xian)(xian)直(zhi)接或者在(zai)(zai)(zai)管子(zi)、線(xian)(xian)(xian)槽等(deng)保護體(ti)內敷(fu)設(she)于(yu)(yu)(yu)墻壁、頂棚的(de)表面及桁架(jia)、支架(jia)等(deng)處；暗敷(fu)——導(dao)線(xian)(xian)(xian)在(zai)(zai)(zai)管子(zi)、線(xian)(xian)(xian)槽等(deng)保護體(ti)內敷(fu)設(she)于(yu)(yu)(yu)墻壁、頂棚、地(di)坪及樓板等(deng)內部，或者在(zai)(zai)(zai)混凝(ning)土板孔內敷(fu)線(xian)(xian)(xian)等(deng)。對于(yu)(yu)(yu)小型(xing)建(jian)(jian)筑，瑞麗(li)密集(ji)型(xing)母(mu)線(xian)(xian)(xian)槽，用(yong)(yong)(yong)電(dian)(dian)(dian)負荷不是很(hen)大(da)(da)，主干線(xian)(xian)(xian)往往采用(yong)(yong)(yong)絕緣導(dao)線(xian)(xian)(xian)；對于(yu)(yu)(yu)高(gao)層(ceng)建(jian)(jian)筑，用(yong)(yong)(yong)電(dian)(dian)(dian)負荷較大(da)(da)，用(yong)(yong)(yong)絕緣導(dao)線(xian)(xian)(xian)作為主干線(xian)(xian)(xian)已不能(neng)滿足供(gong)電(dian)(dian)(dian)需要(yao)(yao)(yao)，這時主干線(xian)(xian)(xian)需要(yao)(yao)(yao)用(yong)(yong)(yong)電(dian)(dian)(dian)纜或母(mu)線(xian)(xian)(xian)槽。