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電纜故障測試儀的電纜產生故障的原因分析

2016-08-02    來源:    作者:淄博威特電氣有限公司  瀏覽次數:2125

電纜故障測試儀的電纜產生故障的原因分析

 電纜故障測試儀可以遠距離的并且精準的測試電纜,但當電纜故障測試儀的電纜故障產生了故障時,你知道是什么原因造成的嗎?該如何維修它呢?今天就為大家介紹一下。

 1、電纜受潮。因接頭盒或終端盒結構不密封或安裝不良而導致進水或電纜制造不良,金屬護套有小孔或裂縫也可能是金屬護套因被外物刺傷或腐蝕穿孔;

 2、電纜的絕緣物流失。油浸紙絕緣電纜敷設時地溝凸凹不平,或處在電桿上的戶外頭,由于起伏、高低落差懸殊,高處的絕緣油流向低處而使高處電纜絕緣性能下降,導致故障發生;

 3、電纜機械損傷。安裝時損傷,在安裝時不小心碰傷電纜,機械牽引力過大而拉傷電纜,或電纜過度彎曲而損傷電纜或是直接受外力損壞,在安裝后電纜路徑上或電纜附近進行城建施工,使電纜受到直接的外力損傷或行駛車輛的震動或沖擊性負荷會造成地下電纜的鉛包裂損;還有可能是因自然現象造成的損傷;

 4、設計和制作工藝不良,材料缺陷。中間接頭和終端頭的防水、電場分布設計不周密,材料選用不當,工藝不良、不按規程要求制作會造成電纜頭故障。


 所以,最主要的就是要選擇品質放心的電纜故障測試儀才可減少產生故障的頻率。淄博威特電器有限公司可為您提供放心的產品,歡迎您的聯系!

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