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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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