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母線槽系統原理以及選型安裝考慮

文章來源:http://www.ezxiaoyuan.com/?? 作者:電纜橋架廠家?? 發布時間:2022-05-25?? 瀏覽次數:

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面對龐大的負荷所需的強大電流必須選用安全可靠的輸變電設備,母線槽將是理想的選擇,下面來講講母線槽系統原理以及選型安裝考慮的相關內容。
In the face of the strong current required by huge load, safe and reliable power transmission and transformation equipment must be selected, and bus duct will be the ideal choice. Next, let's talk about the principle of bus duct system and the relevant contents considered in selection and installation.
母線槽系統一般多應用在變壓器和配電柜之間的連接以及由配電中心(配電盤、柜)開始至負載呈樹干式布線方式的供電系統。系統電流等級通常為250~6300A,額定電壓400~1000V,防護等級IP40~IP68,根據導體數量配置有三相四線制和三相五線制(增設獨立PE排,另有部分廠家提供鋁合金外殼作整體接地PE的形式)。
Bus duct system is generally used in the connection between transformer and distribution cabinet and the power supply system with tree dry wiring from the distribution center (distribution panel and cabinet) to the load. The current grade of the system is usually 250 ~ 6300A, the rated voltage is 400 ~ 1000V, and the protection grade is IP40 ~ IP68. According to the number of conductors, three-phase four wire system and three-phase five wire system are configured (independent PE bar is added, and some manufacturers provide aluminum alloy shell as the form of integral grounding PE).
在母線槽系統中一般由以下幾個單元組成:饋電式母線(不帶插口)或插接式母線(帶插口)直線段單元;與變壓器,配電柜等設備接口的進(出)線單元;換向單元有L形單元,T型單元,Z型單元;膨脹單元有膨脹節母線單元;插接單元有插接箱單元。所有單元通常均由母線槽制造商進行標準設計,也可以根據工程需要進行現場測量后采取非標設計,以滿足用戶及安裝需要。
The bus duct system is generally composed of the following units: feeder bus (without socket) or plug-in bus (with socket) linear section unit; Incoming (outgoing) line units that interface with transformers, distribution cabinets and other equipment; The reversing unit includes L-shaped unit, T-shaped unit and Z-shaped unit; Expansion unit has expansion joint and bus unit; The plug-in unit has a plug-in box unit. All units are usually designed by the bus duct manufacturer according to the standard, or non-standard design can be adopted after on-site measurement according to the needs of the project, so as to meet the needs of users and installation.
母線槽的選型通常從以下幾方面加以綜合考慮:消防要求,絕緣材料要阻燃、耐熱性能要好,在高溫下不釋放有毒氣體,結構上防止煙囪效應,應優先選擇密集絕緣母線槽,如選用空氣絕緣型,則需在線槽殼體內每單元設置阻火隔斷;對特別重要場所,為保證應急電源火情下維持工作,應選用耐火型槽。
The selection of bus duct is generally considered from the following aspects: fire protection requirements, insulating materials should have good flame retardant and heat resistance, do not release toxic gas at high temperature, and prevent chimney effect in structure. Dense insulated bus duct should be preferred. If air insulation type is selected, fire blocking partition should be set for each unit in the trunking shell; For particularly important places, in order to ensure the maintenance of emergency power supply in case of fire, fire-resistant groove shall be selected.
山東橋架
至于安裝場所,考慮槽外殼防護等級,其次是建筑結構對線槽外形、安裝支架形式和跨距的影響:室內專用工作場所,如大容量變電所內為提高其散熱效果,可采用IP30等級的母線槽;室內的普通工作,如樓層電氣豎井及配電間內,為保證安全性,應選用不低于IP40等級的母線槽;室內潮濕場所或有防濺水要求的。
As for the installation site, consider the protection grade of the trunking shell, followed by the influence of the building structure on the shape, installation support form and span of the trunking: in the indoor special workplace, such as the high-capacity substation, in order to improve its heat dissipation effect, the bus duct with IP30 grade can be used; For ordinary indoor work, such as floor electrical shaft and distribution room, in order to ensure safety, bus duct of no less than IP40 grade shall be selected; Indoor damp places or places with splash prevention requirements.
山東橋架認為為保證其在遭到濺水時仍能正常工作,應選用不低于IP54等級的母線槽;室外或有特殊要求的,如防噴水,防海浪和防腐蝕場所可分別樹脂絕緣母線槽;大跨距場所,應選用外殼加強型母線槽;額定電流,應從技術性能、散熱效果、價格等方面加以綜合考慮,目前市場較多選用散熱性能上佳和能耗低的鋁合金外殼低阻抗密集絕緣母線槽。
In order to ensure that it can still work normally in case of splashing, bus duct with grade no less than IP54 shall be selected; Resin insulated bus duct can be used outdoors or in places with special requirements, such as anti water spray, anti wave and anti-corrosion; In places with large span, shell reinforced bus duct shall be selected; The rated current should be comprehensively considered from the aspects of technical performance, heat dissipation effect and price. At present, aluminum alloy shell low impedance dense insulated bus duct with good heat dissipation performance and low energy consumption is widely used in the market.
母線槽的輸變電優越性是普通電力電纜無法比較和超越的,尤其適應高層建筑物和大規模工廠經濟合理配線的需要。當您選用母線槽的同時,我們將以很好的方案解決建筑領域日益復雜的控制難題,保證電力傳輸的安全可靠。更多內容的了解您可以來網站www.ezxiaoyuan.com咨詢!
The advantages of power transmission and transformation of bus duct can not be compared and surpassed by ordinary power cables, especially to meet the needs of economic and reasonable wiring of high-rise buildings and large-scale factories. When you choose bus duct, we will solve the increasingly complex control problems in the construction field with good solutions to ensure the safety and reliability of power transmission. For more information, you can visit www.sddlqj.com Cn consultation!
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    面對龐大的負荷所需的強大電流必須選用安全可靠的輸變電設備,母線槽將是理想的選擇,下面來講講母線槽系統原理以及選型安裝考慮的相關內容

    TIME:2022-05-25
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