矿用通信电缆 煤矿用阻燃电力电缆

fire retardant power cables in mines

矿用通信电缆 煤矿用阻燃电力电缆产品用途: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

矿用通信电缆 煤矿用阻燃电力电缆执行标准 standards implemented: mt 818-1999

矿用通信电缆 煤矿用阻燃电力电缆型号名称及使用范围 model descriptio and use scope

型 号 model

名 称 descriptio

使 用 范 围 scope of application

mvv 煤矿用聚绝缘聚护套电力电缆 pvc iulated 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 tramission linebut not mechanical impact in mines

myjv 煤矿用交联聚绝缘聚护套电力电缆 xlpe iulated 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 tramission linebut not mechanical impact in mines

mvv22 煤矿用聚绝缘钢带铠装聚护套电力电缆 pvc iulated 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 tramission linecan bearing mechanical impact in mines

mvv32 煤矿用聚绝缘细钢丝铠装聚护套电力电缆 pvc iulated 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 tramission linecan bearing some full in mines

myjv22 煤矿用交联聚绝缘钢带铠装聚护套电力电缆 xlpe iulated 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 tramission linecan bearing mechanical impact in mines

myjv32 煤矿用交联聚绝缘细钢丝铠装聚护套电力电缆 xlpe iulated 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 tramission linecan bearing some full in mines

myjv42 煤矿用交联聚绝缘粗钢丝铠装聚护套电力电缆 xlpe iulated coae 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 tramission 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 iulation strength the pvc iulation to be higher than the anti-aging bea merits and so on chemistry corrosion and waterproof performance.

矿用通信电缆 煤矿用阻燃电力电缆电缆规格 specificatio

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

矿用通信电缆 煤矿用阻燃电力电缆

使用特性 service characteristics 电缆导体的高额定温度 electric cable conductor max. rated temperature xlpe绝缘90℃， pvc绝缘70℃ xlpe iulation90℃ pvc iulation70℃ 电缆敷设时的环境温度 cable laying environment temperature ≥0℃ 短路时电缆导体的高温度(持续时间≤5s) short circuit electric cable conductor max. temperature xlpe绝缘≤250℃， pvc绝缘≤160℃ xlpe iulation≤250℃pvc iulation≤160℃ 电缆的小弯曲半径 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 iulated 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) iulation 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) iulation 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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