煤矿用电力电缆 Mining LV Power Cable

一、执行标准

MT818.11-2009、MT818.12-2009及MT818.13-2009

Execution standard

MT818.11-2009、MT818.12-2009 and MT818.13-2009

二、电缆型号名称和用途见下表 See the table below cable model name and usage

表1table1

表2 table 2

三、主要性能指标

1.电缆导体直流电阻符合表3的要求;

2.耐交流电压应经受5min、3.5kV交流电压试验不击穿

3.电缆阻燃性通过MT/T386-2011试验。

4.交联性能指标(见煤矿用控制电缆表2)

Main performanceindicators

1:The cable conductor dc resistance in accordance with therequirements of table 3:

2. Ac voltage resistance should undergo 5 min, 3.5 kV ac voltagetest not breakdown;

3.The flame retardant cable by MT/T386-2011 test.

4. The crosslinking performance index(See control cables forcoal mine in table 2)

表3table 3

四、命名代号Name code

煤矿用阻燃电缆Flame retardant cable...................................................................................................................M

铜质线芯 Copper wire core..........................................................................................................................省略omit

聚氯乙烯绝缘 PVCinsulated........................................................................................................................................V

交联聚乙烯绝缘 Crosslinked polyethyleneinsulation........................................................................................YJ

聚氯乙烯护套 PVC sheathed......................................................................................................................................V

钢带铠装、聚氯乙烯外护套 Steeltape armouredand PVC sheathed outside...........................................22

五、结构示意图 Structure diagram

六、电缆的使用条件

1.电缆额定电压等级为0.6/1(1.2)kV;

2.聚氯乙烯绝缘电缆导体的最高额定工作温度为70°C，短路时(最长持续时间不超过5s),电缆导体的最高温度不超过160°C;

3.交联聚乙烯绝缘电缆导体的最高额定工作温度为90°C，短路时(最长持续时间不超过5s),电缆导体的最高温度不超过250°C。

4.电缆允许敷设与安装的温度不低于-10°C;

5.电缆最小弯曲半径为电缆外径的15倍。

The use condition ofthe cable

1.The cable is rated voltage level for 0.6/1 kV (1.2);

2. PVC insulated cable conductor of the highest working temperatureis 70°C，rated short circuit when (the longest duration of no morethan 5s), cable conductor of the highest temperature does notexceed 160°C;

3. The crosslinking polyethylene insulated cable conductor of thehighest working temperature is 90°C rated short circuit when (thelongest duration of no more than 5s) cable conductor of the highesttemperature does not exceed 250°C.

4. Cable and installation of the temperature is not lower than allowed-10°C;

5. The minimum bending radius for 15 times of cable diameter.