PVC insulated and PVC sheathed power cable

1.Application

It is used as power distribution and transmission system at rated voltage 0.6/1KV, AC50Hz.

2.Performance

a.The long-time working temperature of cable should not be higher than 70℃.

b.When core is in short-circuit(max 5s), the temperature should not exceed 160℃.

c.While installation the ambient temperature should not be lower than 0 , and the bending radius should not be less than 10 times of outer diameter of cable.

3.Model, name and application

4.Structure and size

VV,VLV,ZRVV,ZRVLV

0.6/1kv PVC Insulated PVC Sheathed Flame Retardant or Non-flame Retardant power Cable

VV22,VLV22,ZRVV22,ZRVLV22

0.6/1kv PVC Insulated steel Armoured PVC Sheathed Flame Retardant or Non-flame Retardant Power

5.Installation

a.Installation

   1）The installation temperature should not over 20 , lf the ambient temperature is lower than 0 ,the cable should be preheated;

   2）The bending radius of cable should not less than 5 times;

   3）After installation, the cable should have voltage test for 15min. 3.5kv d.c.

b.In air laying

   1）As the single core cable laying in parallel, the distance between the cable:center is 2 times(for cables,which cross sectional area of conductor 185mm2)and 90mm(for cables,which cross sectional     area of conductor 240mm2);

   2）Ambient temperature: 30 ;

   3)Max.temperature of conductor: 70 ;

   4)Modified coefficient of current carrying capacity for ambient temperature:

c.Direct in ground laying

   1)When the single core cables are installed separately, the distance between the cable: center is 2 times of the cable diameter;

   2)Ambient temperature: 25;

   3)Max.temperature of conductor: 70;

   4)Soil thermour resistivity: 1.0 .m/w;

   5)Depth: 0.7m;

   6) Modified coefficient of current carrying capacity for ambient temperature:

d.Short ciruit ratings

6.Current Carrying Capacity

VV,ZRVV

0.6/1kV Copper Conductor PVC Insulated PVC sheathed Flame Retardant & Non-Flame Retardant Power Cable Installed in Air for Long Term and Continuously Load

VLV,ZRVLV

0.6/1kV Aluminum Conductor PVC Insulated PVC sheathed Flame Retardant or Non-flame Retardant Power Cable Installed in Air for Long Termand Continuously Load

VV22,ZRVV22

0.6/1kV Copper Conductor PVC Insulated PVC Sheathed Flame Retardant & Non-flame Retardant Power Cable Installed Direct in Ground for Long Term Continuously Load

VLV22 , ZRVLV22

0.6/1kV Aluminum Conductor PVC Insulated PVC Sheathed Flame Retardant & Non-flame Retardant power Cable Installed Direct in Ground for Long Term and Continuously Load