| 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 | |
