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電纜分支箱的作用及圖示

作者: 時(shi)間(jian):2022-04-18 點擊(ji):1778

越來越多地方配電網都使用電纜供電,有時候會出現容量不大的獨立負荷分布比較集中的情況,我們就會使用電纜分支箱來進行電纜多分支的連接,電纜分支箱不能直接對每一路電進行操作,而是起到電纜分支的作用,所以電纜分支箱的作用是什么呢?


圖片

電(dian)纜分支(zhi)箱圖(tu)示


電纜分(fen)支箱的(de)主要作用(yong),其實(shi)包含兩點,一是將電纜進(jin)行(xing)轉(zhuan)接,二是將電纜進(jin)行(xing)分(fen)接。

(1)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)分(fen)接作(zuo)用(yong):當一(yi)條配送電(dian)(dian)(dian)(dian)(dian)線路距離比較(jiao)長的(de)時候(hou),如果(guo)選擇很多根小面(mian)積(ji)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)進(jin)行送電(dian)(dian)(dian)(dian)(dian),那就會浪費很多的(de)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan),于(yu)是在出(chu)線到用(yong)電(dian)(dian)(dian)(dian)(dian)負荷中,我們通(tong)常在出(chu)線時選擇主(zhu)干大電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)出(chu)線,然后在接近負荷的(de)時候(hou),再使用(yong)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)分(fen)支(zhi)(zhi)箱對主(zhu)干電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)進(jin)行分(fen)支(zhi)(zhi),將主(zhu)干電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)分(fen)成許(xu)多小面(mian)積(ji)的(de)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan),由小面(mian)積(ji)電(dian)(dian)(dian)(dian)(dian)纜(lan)(lan)(lan)(lan)接入(ru)負荷。


(2)電(dian)(dian)纜(lan)(lan)轉接作(zuo)用(yong):當配送電(dian)(dian)距離(li)(li)比(bi)較長時,由于(yu)受限于(yu)電(dian)(dian)纜(lan)(lan)自(zi)身的(de)長度,無法滿足長距離(li)(li)的(de)要求,那就必須使用(yong)電(dian)(dian)纜(lan)(lan)接頭進行(xing)(xing)連接,或者使用(yong)電(dian)(dian)纜(lan)(lan)轉接箱(xiang)進行(xing)(xing)連接。通常情況下,當配送電(dian)(dian)距離(li)(li)在(zai)(zai)不(bu)超過(guo)(guo) 3000m 時,采用(yong)電(dian)(dian)纜(lan)(lan)中間接頭;但在(zai)(zai)距離(li)(li)超過(guo)(guo) 3000m 以上的(de)電(dian)(dian)纜(lan)(lan)線路上,如果(guo)采用(yong)很(hen)多中間接頭進行(xing)(xing)連接,就會增加安(an)全隱患,所以為了(le)確保供電(dian)(dian)安(an)全,我們通常采用(yong)電(dian)(dian)纜(lan)(lan)分支箱(xiang)來進行(xing)(xing)轉接。


(3)電(dian)(dian)纜(lan)分(fen)支箱實(shi)現不同截面電(dian)(dian)纜(lan)的便利對(dui)接,舍棄了電(dian)(dian)纜(lan)中間接頭的繁雜工藝,改善(shan)電(dian)(dian)纜(lan)連接環(huan)境,有利于保證對(dui)接質(zhi)量(liang),便于后續運行的常規(gui)檢(jian)驗和維護(hu)。

以上(shang)就是對電纜分支箱的作用(yong)進行的總結,希望對你有幫(bang)助。



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