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21KV Aluminum Conductor XLPE Insulation PVC Bedding Steel Wire Armored PVC or HDPE Outer Sheath Electric Cables (CU/XLPE/SWA/PVC
21KV Aluminum Conductor XLPE Insulation PVC Bedding Steel Wire Armored PVC or HDPE Outer Sheath Electric Cables (CU/XLPE/SWA/PVC
Supplier Info
[China Supplier]
Contact Person : Ms. Zou Jessie
Tel : 0086-755-82958803
Fax : 0086-755-82958893
Product Detail
Aluminum conductor XLPE Insulation aluminum wire armored PVC or HDPE sheath single core cables armored

12/20(24)kv Single core aluminum conductors XLPE insulated aluminum wire armored to IEC 60502-2 cables. Cable Construction: 1. Aluminum conductor 2. Semiconductive conductor screen 3. XLPE insulation 4. Semiconductive Insualtion screen. 5. Copper tape screen 6. Bedding 7. Aluminum amour 8. Outer sheath.

Rated VoltageKV12/20(24)KV
Nominal area of conductormm 25070951201501852403004005006308001000
Conductor diameter(MAX)mm8.49.911.61314.516.118.420.623.726.629.833.637.6
Weight of conductor(Approx)Kg/Km12518025031338648663780010241318167222312745
Insulation thickness(Nominal)mm2.52.52.52.52.52.52.62.833.23.23.23.2
Separation sheath thicknessmm1.21.21.21.21.21.21.21.21.21.31.41.41.5
Armour wire diameter(Nominal)mm1.61.61.61.61.622222.52.52.52.5
Outersheath thickness(Nominal)mm1.81.81.91.9222.12.22.32.52.62.72.9
Approximate overall diametermm26.028.029.531.032.535.037.540.544.049.052.557.061.0
Approximate cable weightKg/Km81098011701260139016601950232027103440409048905680
Minimum bending radius of cable(during installation)mm387417438461485522563605660732786849915
Maximum DC resistance of conductor at 20 degreeohm/Km0.6410.4430.320.2530.2060.1640.1250.10.07780.06050.04690.03670.0291
Approximate AC resistance of conductor at 90 degreeohm/Km0.8220.5680.4110.3250.2650.2110.1620.130.1020.0800.0640.0510.043
Approximate reactance at 50Hertzohm/Km0.130.120.120.110.110.110.100.100.100.100.100.090.09
Approximate impedance at 50Hertzohm/Km0.830.580.430.290.240.190.160.140.130.130.110.100.09
Approximate capacitance of cableuf/Km0.340.380.430.470.510.560.610.630.650.690.730.790.85
Approx. charging current per phase at Uo=12KV and f=50HZmA/m0.380.430.490.530.580.630.690.710.740.780.830.890.96
Sustained current ratings              
1.Laid direct,ground temp.30 degree &g=1.2 degree  m/W,depth of laying=0.8m,laid in trefoil touchingA151187223249280316360405454507570623676
2.Drawn into ducts,ground temp.30 degree &g=1.2 degree  m/W,depth of laying=0.8m,laid singlyA151187218245267298338374405445490525570
3.Laid in air in trefoil touching,Ambient temp.35 degreeA179221271327350400469534616708810902994
One second short circuit current rating of conductorkA4.706.588.9311.2814.1017.3922.5628.2037.6047.0059.2275.2094.00

21KV Aluminum Conductor XLPE Insulation PVC Bedding Steel Wire Armored PVC or HDPE Outer Sheath Electric Cables (CU/XLPE/SWA/PVC

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