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聚氯乙烯绝缘电力电缆
PVC INSULATE POWER CABLE
n 用途
电缆适用于额定电压U0/U为0.6/1KV及以下的输配电线路。
电缆导体允许最高持续工作温度为70℃、短路时导体最高温度不得超过160℃,持续最长时间不得超过5秒。
n 型号及名称(Type&Description)
![undefined](http://i05.c.aliimg.com/img/ibank/2013/756/615/1057516657_1056400232.jpg)
注:阻燃等级分A、B、C三类,订货时应在Z后面表明,如:ZA-VV、ZB-VV、ZC-VV
n 生产范围(Type&Description)
注:单芯铠装电缆只允许用于直流系统
The single core armoured cable is only used in D.C system
n 1+3电缆的第四芯,4+1电缆的第五芯,3+2电缆的第四芯,第五芯的截面
The cross section of the 4thcore of 1+3 cable of the 5th core 4+1 cable or the 4th and 5th cores of 3+2 cables
![undefined](http://i01.c.aliimg.com/img/ibank/2013/591/135/1057531195_1056400232.jpg)
n 结构、规格:(Construction&Specification)
VV VLV型
![undefined](http://i01.c.aliimg.com/img/ibank/2013/875/035/1057530578_1056400232.jpg)
![undefined](http://i05.c.aliimg.com/img/ibank/2013/206/385/1057583602_1056400232.jpg)
n 结构、规格:(Construction&Specification)
VV22 VLV22型
![undefined](http://i05.c.aliimg.com/img/ibank/2013/606/385/1057583606_1056400232.jpg)
![undefined](http://i03.c.aliimg.com/img/ibank/2013/416/385/1057583614_1056400232.jpg)
n 性能
1、成品电缆应能经受3.5kv/5min电压实验
2、20℃时成品电缆导体最大直流电阻
如下表:
![undefined](http://i01.c.aliimg.com/img/ibank/2013/005/985/1057589500_1056400232.jpg)
n 电缆敷设推荐
1、电缆和环境温度须高于0℃或在此条件下保持24小时
2、最小弯曲半径应不小于:
单芯电缆:20(D+d) 多芯电缆:15(D+d)
其中:D---电缆实际外径 d---导体实际外径
如导体不是图形:d=1.13式中S为标准截面
n 不同环境温度下的载流量修正系数
Conversion factors of current rating for environment temperature
![undefined](http://i05.c.aliimg.com/img/ibank/2013/485/785/1057587584_1056400232.jpg)
n 电缆在空气中敷设连续负荷载流量(A) 工作温度:70℃ 环境温度:40℃
The current capicity for continuous cabling in air(A) operating tem:70℃ Ambient tem:40℃
![undefined](http://i01.c.aliimg.com/img/ibank/2013/159/985/1057589951_1056400232.jpg)
n 电缆在土壤中敷设连续负荷载流量(A) 工作温度:70℃ 环境温度:25℃
The current capicity for continuous cabling in soil(A) operating tem:70℃ Ambient tem:25℃
![undefined](http://i01.c.aliimg.com/img/ibank/2013/459/985/1057589954_1056400232.jpg)
土壤热阻系数P1.2(℃~M/W) Coefficient the thermal resistance of soil:P1.2 (℃~M/W)
聚氯乙烯绝缘控制电缆
PVC INSULATE CONTROL CABLE
单芯耐火电力电缆
1 core fire-resistant power cable
![undefined](http://i05.c.aliimg.com/img/ibank/2013/281/995/1057599182_1056400232.jpg)
² 二芯耐火电力电缆
2 core fire-resistant power cable
![undefined](http://i01.c.aliimg.com/img/ibank/2013/681/995/1057599186_1056400232.jpg)
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