煤矿用电力电缆 Mining LV Power Cable
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
型号 Type no. | 名称 The name says | 主要使用范围 The main scope of use |
MVV | 煤矿用聚氯乙烯绝缘聚氯乙烯护套电力电缆Coal mine with PVC insulated PVC sheathed power cable | 用于矿场作电力传输,适用于固定敷设Used formine power transmission, suitable for fixedinstallation |
MVV22 | 煤矿用聚氯乙烯绝缘钢带铠装聚氯乙烯护套电力电缆Coal mine with PVC insulation tape armored PVC sheathedpower cable | 用于矿场作电力传输,适用于地埋敷设Used for mine power transmission, suitable forburied installation |
MYJV | 煤矿用交联聚乙烯绝缘聚氯乙烯护套电力电缆Coal mine with cross-linked polyethylene insulated PVCsheathed power cable | 用于矿场作电力传输,适用于固定敷设Used for mine power transmission, suitable forfixed installation |
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Coal mine with cross-linked polyethylene insulation tapearmored PVC sheathed power cable | 用于矿场电力传输,适用于地埋敷设Used in the mine power transmission, suitable forburied installation |
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**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**温度不超过160°C;
3.交联聚乙烯绝缘电缆导体的**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**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.