MVV，MYJV煤矿用阻燃电力电缆MVV22，MYJV22
时间：2012-06-14 阅读：1507
MVV，MYJV煤矿用阻燃电力电缆MVV22，MYJV22
| 产品用途:产品适用于煤矿井下额定电压0.6/1KV及以下输配电线路。 Scope of application:The product is suitable in coal mine mine shaft rated voltage 0.6/1KV and below loses the distribution line 执行标准 Standards implemented: MT 818-1999 |
型号名称及使用范围 Model descriptions and Use scope
| 型 号 Model | 名 称 Descriptions | 使 用 范 围 Scope of application |
| MVV | 煤矿用聚氯乙烯绝缘聚氯乙烯护套电力电缆 PVC insulated PVC sheathed power cables for use in mines | 矿井中电能传输线路但不能承受机械外力作用 Energy transmission linebut not mechanical impact in mines |
| MYJV | 煤矿用交联聚乙烯绝缘聚氯乙烯护套电力电缆 XLPE insulated PVC sheathed power cables for use in mines | 矿井中电能传输线路但不能承受机械外力作用 Energy transmission linebut not mechanical impact in mines |
| MVV22 | 煤矿用聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 PVC insulated steel tape armored PVC sheathed power cables for use in mines | 矿井中电能传输线路能承受一定机械外力 Energy transmission linecan bearing mechanical impact in mines |
| MVV32 | 煤矿用聚氯乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆 PVC insulated fine steel wire armored PVC sheathed power cables for use in mines | 矿井中电能传输线路能承受一定的拉力 Energy transmission linecan bearing some full in mines |
| MYJV22 | 煤矿用交联聚乙烯绝缘钢带铠装聚氯乙烯护套电力电缆 XLPE insulated steel tape armored PVC sheathed power cables for use in mines | 矿井中电能传输线路能承受一定机械外力 Energy transmission linecan bearing mechanical impact in mines |
| MYJV32 | 煤矿用交联聚乙烯绝缘细钢丝铠装聚氯乙烯护套电力电缆 XLPE insulated fine steel wire armored PVC sheathed power cables for use in mines | 矿井中电能传输线路能承受一定的拉力 Energy transmission linecan bearing some full in mines |
| MYJV42 | 煤矿用交联聚乙烯绝缘粗钢丝铠装聚氯乙烯护套电力电缆 XLPE insulated coarse steel wire armored PVC sheathed power cables for use in mines | 矿井中电能传输线路能承受较大的拉力 Energy transmission linecan bearing bear full in mines |
注：XLPE绝缘比PVC绝缘具有绝缘强度高，抗老化，耐化学腐蚀及防水性能等优点
XLPE insulation strength the PVC insulation to be higher than the anti-aging bears merits and so on chemistry corrosion and waterproof performance.
电缆规格 Specifications
| 型 号 Model | 芯 数 Core number | 额定电压（KV） Rated voltage | 标称截面 mm2 Nominal sectional | |
| 主线芯 Master core | 中性线芯（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 | |||
电缆结构示意图 IIIustration of cable structure
使用特性 Service characteristics
| 电缆导体的zui高额定温度 Electric cable conductor Max. rated temperature | XLPE绝缘90℃， PVC绝缘70℃ XLPE insulation90℃ PVC insulation70℃ |
| 电缆敷设时的环境温度 Cable laying environment temperature | ≥0℃ |
| 短路时电缆导体的zui高温度（持续时间≤5S） Short circuit electric cable conductor max. temperature | XLPE绝缘≤250℃， PVC绝缘≤160℃ XLPE insulation≤250℃PVC insulation≤160℃ |
| 电缆的zui小弯曲半径 Minimun bending radius | 为电缆弯曲试验用圆柱直径的2倍 Uses the column diameter for the electric cable bend test 2 times |
电缆主要技术性能 Major technical performances
1、 电缆导体直流电阻及绝缘电阻 Cable conductor DC resistance and insulated resistance
| 型 号 Model | 标称截面 （mm2） nominal sectional | +20℃导体直流电阻（≤Ω/Km） DC resistance of the conductor at 20℃ | +20℃绝缘电阻常数（≥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、电缆其它主要技术性能 Other major technical performances
（型号Model:MKVV22、MKVV32、MKVV42、MKVV、MKVVR、MKVVP、MKVVP2、MKVVRP）
| 序 号 Serial number | 项目 Items | 技术性能 Technical performances | |
| 1 | +20℃时导体直流电阻（≤Ω/Km） Conductor DC resistance at 20℃ | 见上表 See above table | |
| 2 | +20℃时绝缘电阻的常数（≥MΩ·Km） Insulation resistance at 20℃ | 见上表 See above table | |
| 3 | 5min工频交流电压试验 5min power frequency alternating current pressure test | 芯-芯 Core-Core 芯-铠装 Core-Armor | 3500V不击穿 3500V no breakdown |
| 4 | 4h交流高压试验 4h AC high voltage test | 2400V不击穿 2400V no breakdown | |
| 5 | 单根垂直燃烧试验 Single wire burning test | MT386 | |
| 6 | 成束燃烧试验 Group burning test | 符合GB/T18380.3标准中B类成束燃烧试验要求 Conforms to GB/T18380.3 standard B kind group burning test | |
诚实是用不完的资本，质量是打不倒的品牌陈