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INSULATED OVERHEAD CONDUCTORS -15KV, 25KV, 35KV

  • SAC
  • RMJT
  • IEC
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INSULATED OVERHEAD CONDUCTORS  -15KV, 25KV, 35KV

APPLICATION

 AAC. (all aluminum conductor), ACSR(aluminum conductor steel reinforced) type cable covered by XLPE, used for transmission and distribution lines in wood or industrial areas. The service voltage of all its applications varies with the thickness of the insulation, which is 15 kV, 25 kV and 35kV.

 

STANDARD:

 IEC 60502-2

 

WORKING CONDITIONS  

1)    Rated voltage: 15kV 25kV, 35kV

2)    The tallest work temperature of the cable conductor:

 XLPE insulation cable:90oC;

3)    During having a short (lasting less than 5 seconds), the maximum temperature:

XLPE insulated cables is 250oC;  

4)    During the cable lying, the ambient temperature must be above -20oC.

5)    Bending radius allowance of the cable:

It should be no less than 4D for the cable with outer diameter less than 25mm;

It should be no less than 6D for the cable with outer diameter of 25mm or more.

 

CONSTRUCTION:

1)     Conductors
Aluminum, circular stranded and compacted confirming to IEC 60228 – Class 2

2)     Insulation
XLPE thermosetting material conforming to IEC 60502-2


SPECIFICATION:

15kV AAC
Nominal section   (mm²)Dia of conductorsInsulation Thickness (mm)Overall diameter (mm)Aprox. weight
(mm)(kg/km)
357.1313.1185
508.3314.3228
709.9315.9302
9511.8317.8388
12013.2319.2467
15014.3320.3549
18516.3322.3671
24018.5324.5841
30020.5326.51,019
25kV AAC
Nominal section   (mm²)Dia of conductorsInsulation Thickness (mm)Overall diameter (mm)Aprox. weight
(mm)(kg/km)
357.1415.1226
508.3416.3273
709.9417.9351
9511.8419.8443
12013.2421.2526
15014.3422.3611
18516.3424.3739
24018.5426.5916
30020.5428.51,099
35kV AAC
Nominal section   (mm²)Dia of conductorsInsulation Thickness (mm)Overall diameter (mm)Aprox. weight
(mm)(kg/km)
357.17.622.2429
508.37.623.4503
709.97.625600
9511.87.626.9714
12013.27.628.3813
15014.37.629.4911
18516.37.631.41062
24018.57.633.61264
30020.57.635.61,470


 



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