煤礦用阻燃電力電纜 |
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Fire retardant power cables in mines
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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 |
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型號名稱及使用范圍 Model descriptions and Use scope
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型 號 Model |
名 稱
Descriptions |
使 用 范 圍
Scope of application |
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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 |
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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 |
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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 |
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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 |
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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 |
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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 |
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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
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型 號
Model |
芯 數
Core number |
額定電壓(KV)
Rated voltage |
標稱截面 mm2
Nominal sectional |
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主線芯
Master core |
中性線芯(第四根芯)
Neutrality core |
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MVV MYJV |
3 |
0.6/1 |
1.5-185 |
- |
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MVV22 |
2.5-185 |
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MYJV22 |
4-185 |
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MVV32 MYJV32 MYJV42 |
4-185 |
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MVV MVV22 |
3+1 |
0.6/1 |
4-185 |
2.5-95 |
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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
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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℃ |
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MVV MVV22
MVV32 MYJV
MYV22 MYJV32
MYJV42 |
1.5 |
12.1 |
36.7 |
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2.5 |
7.41 |
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4 |
4.62 |
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6 |
3.08 |
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10 |
1.83 |
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16 |
1.15 |
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25 |
0.727 |
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35 |
0.524 |
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50 |
0.387 |
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70 |
0.268 |
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95 |
0.193 |
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120 |
0.153 |
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150 |
0.124 |
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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)
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序 號
Serial number |
項目 Items |
技術性能 Technical performances |
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1 |
+20℃時導體直流電阻(≤Ω/Km)
Conductor DC resistance at 20℃ |
見上表 See above table |
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2 |
+20℃時絕緣電阻的常數(≥MΩ·Km)
Insulation resistance at 20℃ |
見上表 See above table |
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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 |
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4 |
4h交流高壓試驗
4h AC high voltage test |
2400V不擊穿 2400V no breakdown |
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5 |
單根垂直燃燒試驗
Single wire burning test |
MT386 |
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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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