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了解甘肅高壓電力電纜價格故障的原因,對于減少電纜的損壞,快速地判定出故障點是十分重要的,電纜故障的原因大致可歸納為:電纜的絕緣物流失
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甘肅電力電纜價格

  了解甘肅高壓電力電纜價格故障的原因,對于減少電纜的損壞,快速地判定出故障點是十分重要的。電纜故障的原因大致可歸納為: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。

甘肅高壓電力電纜價格

  在分析電纜故障發生的原因以及尋找故障點時,極為重要的是:要特別注意了解高壓電纜敷設、故障的情況。要注意做好電纜安裝敷設及故障過程中的記錄工作。記錄應主要包括以下內容:
(1)、線路名稱及起止地點。
(2)、故障發生時間。
(3)、故障發生的地點及排除經過。
(4)、電纜規范:如電壓等級、型式、導體截面、絕緣方式,制造廠名及購置日期等。
(5)、裝置記錄:如安裝日期及氣候,各個對接頭、三通接頭的設計型式、絕緣種類、熱處理溫度及位置。
(6)、電纜的埋設情況:如電纜彎曲半徑的大小,路徑的走向,有無反常的敷設深度或者有特別的保護措施,如鋼板、穿管和排管等;電纜敷設中的技工和技術人員的姓名(這也常常是提供重要線索的來源之一)。
(7)、電纜周圍環境情況:如臨近故障處的地面情況,有無新的挖土、打樁或埋管等工程,泥土中有無酸或堿的成分,是否夾有小石塊,附近地區有無化學工廠等。
(8)、運行情況:如電纜線路負荷及溫度等。
(9)、校驗情況:包括試驗電壓、時間、泄漏電流及絕緣電阻的數值、歷史記錄。

(此內容由www.wxdh18.com提供)
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