产品标准Standard
本产品按GB 12527-90、GB 14049-93进行生产。
The products shall comply with the standards gbl2527-90 and gbl4049-93
适用范围Applications
本产品适用于高层建筑群、旅游开发区及树木多地区的1kV、10kV、35kV架空输配电线路。
The products fit for transmitting line and distributing line of rated voltage 1kv、10kv and 35kv in tall buildings,traveling development area and wooded tract.
使用特性Operating characteristic
1. 电缆额定电压Uo/U分为三种:0.6/1kv 10kv 35kv。The rated voltage of cable has three classes
2. 电缆导体的长期允许工作温度Continuous permissible operating temperature:
聚氯乙烯绝缘为70℃。; PVC insulation:70℃。
聚乙烯绝缘为70℃;PE insulation:70℃
高密度聚乙烯为75℃;HDPE insulation:75℃
交联聚乙烯绝缘为90℃。XLPE insulation:90℃
3. 短路时(最长持续时间不超过5秒),电缆的最高温度:
Max.temperature Of cable under short-circuit(5sec.max.duration)
聚氯乙烯绝缘为160℃;PVC insulation:160℃
聚乙烯绝缘为130℃;PE insulation:130℃
高密度聚乙烯为150℃;HDPE insulation:150℃
交联聚乙烯绝缘为250℃,XLPE insulation:250℃
4. 电缆的敷设温度应不低于-20℃。Laying temperature of cable not less than-20℃
5. 电缆使用的环境温度为-40~+40℃ Operating ambient temperature of cables:-40~+40℃
6. 电缆的允许弯曲半径permissible bending radius of cable:
额定电压0.6/1kV及以下电缆;cable for rated voltage up to and including 0.6/1kV
电缆外径D<25mm者,弯曲半径不小于4D;
Bending radius not less than 4d for cable diameter<25mm
电缆外径D≥25mm者,弯曲半径不小于6D;
Bending radius not less than 6d for cable diameter<25mm
额定电压10kV、35kV电缆;Cable for rated voltage 10kV and 35kV
单芯电缆,弯曲半径不小于20(D+d) Single-core cable bending radius not less than 20(D+d)
多芯电缆,弯曲半径不小于15(D+d) Multi-cote cable bending radius not less than
15(d+d)
式中:D-电缆的实际外径,mm;Note:d-over all diameter of cable
d-电缆导体的实际外径,mm。d-over all diameter of conductor