礦用電纜
煤礦用阻燃電力電纜MYJV MVV
簡要說明:煤礦用阻燃電力電纜
詳細介紹:
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(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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