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儀表電纜

控制電纜線路故障的預防措施有哪些?

2021-04-29
作者:翊成網絡z

控制電纜適用于交流額定電壓450/750V及以下電器儀表的連接線和自動控制系統的傳輸線,保護線路等場所使用的PVC絕緣、PVC護套型控制電纜。這些護套和絕緣材料具有耐腐蝕、耐酸堿、耐磨損、耐油、耐老化、阻燃、防水等優良特性,經常適用于冶金、電力、石化等行業。


控制電纜價格


因此控制電纜具有防潮、防腐蝕和耐磨等特點,常常施工安裝在電纜隧道或者電纜溝井內。

電力電纜經常適用于電力系統中作為主干線用作傳輸和分配功率較大的電能,控制電纜從電力系統的配電點把電能直接傳輸到各種用電設備器具的電源連接線路。

常用的電力電纜和控制電纜的額定電壓分別為0.6/1KV和450/750V。因為兩種電纜所適用的額定電纜不同,因此同樣規格的電力電纜和控制電纜在生產制作時,電力電纜的絕緣和護套的厚度相比控制電纜都要厚。

預防措施:為保證控制電纜在發生絕緣擊穿、機械損傷或著火時,減少波及的范圍,雙重化保護的電流、電壓以及直流電源和跳閘控制回路等需要增強可靠性的兩套系統,應采用各自獨立的控制電纜。


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