申易牌聚氯乙烯绝缘电力电缆VV1-5 3+1 3+2 4+1芯 1.5-240平方
电力电缆(power cable),用于传输和分配电能的电缆,在某些场合也称为动力电缆,力缆。常用于城市地下电网、发电站的引出线路、工矿企业的内部供电及过江、过海的水下输电线。在电力线路中,电缆所占的比重正逐渐增加。电力电缆是在电力系统的主干线路中用以传输和分配大功率电能的电缆产品,其中包括1-500KV以及以上各种电压等级,各种绝缘的电力电缆。
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适用范围:Application
本品适用于50Hz额定电压0.6/1 KV及以下输配电网或工业装置线路输送电能用。
执行标准:Standard GB/T12706
使用条件:Operating Condition
额定电压U0/U: 0.6/1KV;
电缆导体的允许工作最高温度为70℃;
短路时(最长持续时间5S )电缆导体的允许最高温度(导体截面≤300mm2: 160℃ );
电缆敷设时环境温度不低于-15℃;
电缆安装时的最小弯曲半径:D为电缆外径;
单芯电缆:无铠装20D有铠装15D
三芯电缆:无铠装15D有铠装12D
型号 | 名 称 | 芯数 No.of cores | 截面 Cross section mm2 |
适用范围
Main Applications |
Type | Description | |||
VV | 聚氯乙烯绝缘电力电缆 | 1-5 3+1 3+2 4+1 |
1.5-240 | 敷设在室内,隧道及沟管中不能承受机械外力的作用;单芯电缆不允许敷设在磁性管道中 |
VV22 | 聚氯乙烯绝缘钢带铠装电力电缆 | 1.5-120 | 敷设在室内管道沟管中直埋在土壤中能承受机械外力不能承受大的拉力 | |
VV32 | 聚氯乙烯绝缘钢丝铠装电力电缆 | 1.5-120 | 敷设在室内隧道沟管中,竖井或土壤中能承受机械外力和一定的拉力 | |
VVR | 聚氯乙烯绝缘软电力电缆 | 1-5 3+1 3+2 4+1 | 1.0-50 | 敷设在室内要求移动或柔软等场合 |
根据用需要可生产阻燃,耐火,低烟无卤型等特殊产品
主要技术参数 Main technical properties
1 )导体电阻见交联力缆
VVR导体电阻
截面 Cross section mm2 | 1 | 1.5 | 2.5 | 4 | 6 | 10 | 16 | 25 | 35 | 50 |
20°C 时 ≤Ω/km | 19.5 | 13.3 | 7.98 | 4.95 | 3.3 | 1.91 | 1.21 | 0.78 | 0.554 | 0.386 |
2)绝缘电阻常数:20℃时不小于36.7 MΩ·km
3)50Hz电压试验:3.5KV/5min应不去穿
结构示意图 Construction figure
1、铜导体2、绝缘3、绕包层4、内衬层5、铠装层6、护套
相关型号推荐:聚氯乙烯绝缘软电力电缆VVR
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