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          煤礦用阻燃電力電纜

          煤礦用阻燃電力電纜

           Fire retardant power cables in mines

          產品用途:產品適用于煤礦井下額定電壓0.6/1KV及以下輸配電線路。

          Scope of application:The product is suitable in coal mine mine shaft rated voltage 0.6/1KV and below loses the distribution line

          執行標準 Standards implemented: MT 818-1999

          型號名稱及使用范圍 Model descriptions and Use scope

          型 號 Model
          名 稱
          Descriptions
          使 用 范 圍
          Scope of application
          MVV
          煤礦用聚氯乙烯絕緣聚氯乙烯護套電力電纜
          PVC insulated PVC sheathed power cables for use in mines
          礦井中電能傳輸線路但不能承受機械外力作用
          Energy transmission linebut not mechanical impact in mines
          MYJV
          煤礦用交聯聚乙烯絕緣聚氯乙烯護套電力電纜
          XLPE insulated PVC sheathed power cables for use in mines
          礦井中電能傳輸線路但不能承受機械外力作用
          Energy transmission linebut not mechanical impact in mines
          MVV22
          煤礦用聚氯乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜
          PVC insulated steel tape armored PVC sheathed power cables for use in mines
          礦井中電能傳輸線路能承受一定機械外力
          Energy transmission linecan bearing mechanical impact in mines
          MVV32
          煤礦用聚氯乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜
          PVC insulated fine steel wire armored PVC sheathed power cables for use in mines
          礦井中電能傳輸線路能承受一定的拉力
          Energy transmission linecan bearing some full in mines
          MYJV22
          煤礦用交聯聚乙烯絕緣鋼帶鎧裝聚氯乙烯護套電力電纜
          XLPE insulated steel tape armored PVC sheathed power cables for use in mines
          礦井中電能傳輸線路能承受一定機械外力
          Energy transmission linecan bearing mechanical impact in mines
          MYJV32
          煤礦用交聯聚乙烯絕緣細鋼絲鎧裝聚氯乙烯護套電力電纜
          XLPE insulated fine steel wire armored PVC sheathed power cables for use in mines
          礦井中電能傳輸線路能承受一定的拉力
          Energy transmission linecan bearing some full in mines
          MYJV42
          煤礦用交聯聚乙烯絕緣粗鋼絲鎧裝聚氯乙烯護套電力電纜
          XLPE insulated coarse steel wire armored PVC sheathed power cables for use in mines
          礦井中電能傳輸線路能承受較大的拉力
          Energy transmission linecan bearing bear full in mines

          注:XLPE絕緣比PVC絕緣具有絕緣強度高,抗老化,耐化學腐蝕及防水性能等優點

          XLPE insulation strength the PVC insulation to be higher than the anti-aging bears merits and so on chemistry corrosion and waterproof performance.

          電纜規格 Specifications

          型 號
          Model
          芯 數
          Core number
          額定電壓(KV)
          Rated voltage
          標稱截面 mm2
          Nominal sectional
          主線芯
          Master core
          中性線芯(第四根芯)
          Neutrality core
          MVV MYJV
          3
          0.6/1
          1.5-185
          -
          MVV22
          2.5-185
          MYJV22
          4-185
          MVV32 MYJV32 MYJV42
          4-185
          MVV MVV22
          3+1
          0.6/1
          4-185
          2.5-95
          4
          4-185

          電纜結構示意圖 IIIustration of cable structure

          使用特性 Service characteristics  

          電纜導體的最高額定溫度
          Electric cable conductor Max. rated temperature
          XLPE絕緣90℃, PVC絕緣70℃
          XLPE insulation90℃ PVC insulation70℃
          電纜敷設時的環境溫度
          Cable laying environment temperature
          ≥0℃
          短路時電纜導體的最高溫度(持續時間≤5S)
          Short circuit electric cable conductor max. temperature
          XLPE絕緣≤250℃, PVC絕緣≤160℃
          XLPE insulation≤250℃PVC insulation≤160℃
          電纜的最小彎曲半徑
          Minimun bending radius
          為電纜彎曲試驗用圓柱直徑的2倍
          Uses the column diameter for the electric cable bend test 2 times

          電纜主要技術性能 Major technical performances

          1、 電纜導體直流電阻及絕緣電阻 Cable conductor DC resistance and insulated resistance

          型 號
          Model
          標稱截面 (mm2)
          nominal sectional
          +20℃導體直流電阻(≤Ω/Km)
          DC resistance of the conductor at 20℃
          +20℃絕緣電阻常數(≥MΩ.Km)
          Insulation resistance at 20℃
          MVV MVV22
          MVV32 MYJV
          MYV22 MYJV32
          MYJV42
          1.5
          12.1
          36.7
          2.5
          7.41
          4
          4.62
          6
          3.08
          10
          1.83
          16
          1.15
          25
          0.727
          35
          0.524
          50
          0.387
          70
          0.268
          95
          0.193
          120
          0.153
          150
          0.124
          185
          0.991

          2、電纜其它主要技術性能 Other major technical performances

          (型號Model:MKVV22、MKVV32、MKVV42、MKVV、MKVVR、MKVVP、MKVVP2、MKVVRP)

          序 號
          Serial number
          項目 Items
          技術性能 Technical performances
          1
          +20℃時導體直流電阻(≤Ω/Km)
          Conductor DC resistance at 20℃
          見上表 See above table
          2
          +20℃時絕緣電阻的常數(≥MΩ·Km)
          Insulation resistance at 20℃
          見上表 See above table
          3
          5min工頻交流電壓試驗
          5min power frequency alternating current pressure test
          芯-芯 Core-Core
          芯-鎧裝 Core-Armor
          3500V不擊穿 3500V no breakdown
          4
          4h交流高壓試驗
          4h AC high voltage test
          2400V不擊穿 2400V no breakdown
          5
          單根垂直燃燒試驗
          Single wire burning test
          MT386
          6
          成束燃燒試驗
          Group burning test
          符合GB/T18380.3標準中B類成束燃燒試驗要求
          Conforms to GB/T18380.3 standard B kind group burning test




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