价格信息电议
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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 | 使 用 范 围 |
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 | 芯 数 | 额定电压(KV) | 标称截面 mm2 | |
主线芯 | 中性线芯(第四根芯) | |||
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
电缆导体的最高额定温度 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℃ |
短路时电缆导体的最高温度(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℃ |
电缆的最小弯曲半径 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 | 标称截面 (mm2) | +20℃导体直流电阻(≤Ω/Km) | +20℃绝缘电阻常数(≥MΩ.Km) |
MVV MVV22 | 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 | 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 |
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