母線槽具有載流量大、施工周期相對較短、使用壽命更長的特點，與電纜相比，具有一定的比較優勢，與水泥工程的大型化高質量發展要求相適應。下面山東電纜橋架廠家講講：母線槽與電纜的性能比較。

The bus duct has the characteristics of large current carrying capacity, relatively short construction period and longer service life. Compared with the cable, it has certain comparative advantages and adapts to the requirements of large-scale and high-quality development of cement engineering. Next, Shandong cable bridge manufacturer will talk about the performance comparison between bus duct and cable.

載流量及電能損耗比較

Comparison of current carrying capacity and electric energy loss

母線槽是扁導體，具有散熱好、阻抗低及載流量大的特點，額定電流一般可以達到6300A，如此高的載流能力電纜難以達到。載流量相同的情況下，載流量630A以上時，母線槽與電纜相比，用銅量節省15％～30％，電能損耗可減少15％左右。電纜敷設時需考慮橋架內電纜的散熱溫度和橋架內電纜的根數，而母線槽的敷設只需滿足規范所規定的出色溫升電流即可，這對于綠色工程建設具有積出色意義。

The bus duct is a flat conductor with good heat dissipation, low impedance and large current carrying capacity. The rated current can generally reach 6300A, which is difficult for cables with such high current carrying capacity. Under the same current carrying capacity, when the current carrying capacity is more than 630A, the copper consumption of bus duct and cable can be saved by 15%~30%, and the power consumption can be reduced by about 15%. When laying cables, the heat dissipation temperature of cables in the bridge and the number of cables in the bridge should be considered, while the laying of bus duct only needs to meet the limit temperature rise current specified in the specification, which is of positive significance for the construction of green projects.

安裝比較

Installation comparison

母線槽的安裝相對方便，電纜的敷設布線比較靈活，但電纜敷設需額外安裝電纜橋架，相比之下，母線槽施工工期短，安裝費用較低，不會影響整體工程工期。母線槽可以采用插接方式安裝分接，把主干線的電力電源引入不同的分支，現場分接比較方便。同時，母線槽配電安裝一般采用樹干式，而電纜配電一般是點對點的放射式，電纜在配電出入口會占用較大空間，而母線槽則占用空間小，這也是母線槽在高層建筑或大型廠房應用較多的原因。

The installation of bus duct is relatively convenient and the cable laying and wiring is relatively flexible, but the cable laying requires additional installation of cable bridge. In contrast, the construction period of bus duct is short and the installation cost is low, which will not affect the overall project duration. The bus duct can be installed and tapped by plugging, and the power supply of the main line can be introduced into different branches. The on-site tapping is more convenient. At the same time, the distribution and installation of the bus duct is generally trunk type, while the cable distribution is generally point-to-point radial type. The cable will occupy a large space at the distribution entrance and exit, while the bus duct will occupy a small space, which is also the reason why the bus duct is widely used in high-rise buildings or large plants.

成本比較

Cost comparison

母線槽單價以直線段計量，安裝費用一般包括在內。電纜單價不包括電纜橋架的費用以及電纜和橋架的安裝費用。阻燃無鹵低煙交聯聚乙烯絕緣電纜(WDZ-YJY)單價與同載流量的4P密集型母線槽價格接近，而阻燃交聯聚乙烯絕緣聚氯乙烯護套電力電纜(ZR-YJV)的成本優勢較大。

The unit price of bus duct is measured by straight section, and the installation cost is generally included. The unit price of cable does not include the cost of cable bridge and the installation cost of cable and bridge. The unit price of flame-retardant halogen-free low-smoke cross-linked polyethylene insulated cable (WDZ-YJY) is close to that of 4P dense bus duct with the same carrying capacity, while the cost advantage of flame-retardant cross-linked polyethylene insulated PVC sheathed power cable (ZR-YJV) is large.

選型比較

Selection comparison

對于用電負荷較小(630A以下)、分支回路不多的場所，配電選擇電纜更好；對于用電負荷較大(630A以上)、分支回路較多的場所，采用母線槽效果更佳。

For places with small power load (below 630A) and few branch circuits, cables are better for distribution; For places with large electrical load (more than 630A) and many branch circuits, it is better to use bus duct.

在大功率的低壓變頻柜、軟啟動柜與低壓柜不并柜時，采用母線槽連接能節省現場施工時間；大型廠房一般對電量的需求量較大，在大型廠房中也可設置母線槽；在維修車間等需要移動式設備的使用場所，可選用滑觸式母線槽。您有需求就來我們網站http://m.ymmgjx.net咨詢！

When high-power low-voltage frequency conversion cabinet, soft start cabinet and low-voltage cabinet are not combined, bus duct connection can save on-site construction time; Large power plants generally have a large demand for electricity, and bus ducts can also be set in large power plants; Sliding contact bus duct can be used in places requiring mobile equipment such as maintenance workshop. Come to our website if you need http://m.ymmgjx.net consulting service