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電纜的護層的壽命取決于護層的制造的質量

來源:www.vanjashop.com         發布時間:2020-08-06 返回列表
電纜的護層的壽命取決于護層的制造的質量

鋼帶鎧裝電纜在裝鎧層的過程中,有效的防止內護層被鎧裝層碰傷;在敷設的運行中,可以抵御外界的腐蝕介質的侵入,防止金屬護套(內護層)腐蝕的接觸,從而使用壽命的延長。防止電纜在敷設的過程中或者是運行的過程中遭到可能遇到的機械的損傷,以確保內護層有完整性。主要是保護鎧裝層,防止鎧裝層在敷設的過程中受到損傷。由塑料護套組成的外被層可以防止鎧裝層在運行的過程中受到腐蝕。電纜護層是保證電纜長期保持優良電氣性能的,一旦護層有損傷,電纜就會發生故障的,不能繼續的運行,因此電纜的使用壽命在很大的程度上依賴于電纜護層的壽命,而電纜的護層的壽命在很大的程度上取決于護層的制造的質量。


扁電纜特點及用途:扁電纜適用于交流額定電壓0.6/1KV及以下固定敷設用動力傳輸線或移動電器用連接電纜,產品具有耐熱輻射、耐寒、耐酸堿及腐蝕性氣體、防水等特性,電纜結構柔軟,輻射方便,高溫(高寒)環境下電氣性能穩定,抗老化性能突出,使用壽命長,廣泛用于冶金、電力、石化、電子、汽車制造等行業。


防火電纜基本的結構有導體、絕緣層及外護層,根據要求再增加一此結構,如屏蔽層、內護層或鎧裝層等,為了電纜有圓整性再輔加一些填充材料。導體是傳輸電流或信號的載體,其他結構都是作防護用。防護的性能根據電纜產品的需要總體上有三種,一種是保護電纜本身各單元不相互或減少影響,如耐壓,耐熱,防電磁場產生的損耗,通信電纜防信號相互干擾等。另一種防護是保護導體中的電流不對外部產生影響,如防止電流外泄,防電磁波外泄等;后一種保護外界不對電纜內部產生影響,如抗壓、抗拉、耐熱、耐候、耐燃、防水、抗電磁波干擾等。

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