密集絕緣插(cha)接母(mu)線槽
其防潮、散熱效果較差。在防潮方面,母(mu)(mu)(mu)線(xian)(xian)在施工(gong)時,容易受(shou)潮及(ji)滲水,造(zao)(zao)成相間絕緣(yuan)電(dian)阻(zu)下降(jiang)。母(mu)(mu)(mu)線(xian)(xian)的散熱主要靠外(wai)殼(ke),由于(yu)(yu)線(xian)(xian)與線(xian)(xian)之間緊湊排列(lie)安裝,L2、L3相熱能散發(fa)緩慢(man),形成母(mu)(mu)(mu)線(xian)(xian)槽(cao)溫升偏(pian)高(gao)。密集絕緣(yuan)插接母(mu)(mu)(mu)線(xian)(xian)槽(cao)受(shou)外(wai)殼(ke)板材限制,只能生產不大(da)于(yu)(yu)3m的水平段。由于(yu)(yu)母(mu)(mu)(mu)線(xian)(xian)相間氣隙小(xiao),母(mu)(mu)(mu)線(xian)(xian)通過(guo)大(da)電(dian)流(liu)時,產生強大(da)的電(dian)動(dong)力(li),使磁振蕩頻率形成疊加狀態,造(zao)(zao)成過(guo)大(da)的噪聲。插接式母(mu)(mu)(mu)線(xian)(xian)槽(cao)屬樹干式系統,具有體(ti)積小(xiao)、結構緊湊、運行可靠、傳輸電(dian)流(liu)大(da)、便于(yu)(yu)分接饋電(dian)、維(wei)護方便、能耗小(xiao)、動(dong)熱穩(wen)定性(xing)好(hao)等優點,在高(gao)層建筑中得到廣泛應用(yong)。