• 電力電纜
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    • VV電力電纜

      VV電力電纜

      VV電力電纜用途:VV電力電纜適用于額定電壓1kV和3kV配電電網中的輸配電系統或工業裝置供電系統的固定安裝場合。

      一、VV電力電纜用途:VV電力電纜適用于額定電壓1kV和3kV配電電網中的輸配電系統或工業裝置供電系統的固定安裝場合。


      二、VV電力電纜產品型號及名稱

      型號、名稱、執行標準

      銅芯、鋁芯

      VV : VLV : 聚氯乙烯絕緣聚氯乙烯護套電力電纜:GB/T12706-2008

      VY : VLY : 聚氯乙烯絕緣聚乙烯護套電力電纜

      VV22 : VLV22 : 聚氯乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜

      VV23 : VLV23 : 聚氯乙烯絕緣鋼帶鎧裝聚乙烯護套電力電纜

      VV32 : VLV32 : 聚氯乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜

      VV33 : VLV33 : 聚氯乙烯絕緣細鋼絲鎧裝聚乙烯護套電力電纜

      VV42 : VLV42 : :聚氯乙烯絕緣粗鋼絲鎧裝聚氯乙烯護套電力電纜

      VV43 : VLV43 : 聚氯乙烯絕緣粗鋼絲鎧裝聚乙烯護套電力電纜

      YJV : YJLV : 交聯聚乙烯絕緣聚氯乙烯護套電力電纜

      YJY : YJLY : 交聯聚乙烯絕緣聚乙烯護套電力電纜

      YJV22 : YJLV22 : 交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜

      YJV23 : YJLV23 : 交聯聚乙烯絕緣鋼帶鎧裝聚乙烯護套電力電纜

      YJV32 : YJLV32 : 交聯聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜

      YJV33 : YJLV33 : 交聯聚乙烯絕緣細鋼絲鎧裝聚乙烯護套電力電纜


      三、其他說明

      1.具有聚氯乙烯絕緣或聚氯乙烯護套的電纜,電纜的敷設溫度應不宜于0℃。

      2.電纜導體長期允許的最高工作溫度:

      聚氯乙烯(PVC/A)絕緣應不超過70℃。

      交聯聚乙烯(XLPE)絕緣應不超過90℃;

      3.短路時(最長持續時間不超過5s)電纜的最高溫度:

      聚氯乙烯(PVC/A)絕緣:當導體截面積≤300mm2時為160℃;當導體截面積>300mm2時為140℃。

      交聯聚乙烯(XLPE)絕緣為250℃;

      4. 電纜安裝時的最小彎曲半徑(D:為電纜外徑)

      (此內容由www.discuz365.com提供)
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