19/33kV Three Core Individual Screened & PVC/SWA/PVC Sheathed (Al Conductor)
Application
These cables are designed to be used for the supply of electrical energy in fixed applications up to the rated voltages at a nominal power frequency between 49Hz and 61Hz., they are suitable for use in distribution installation, electrical power station , they are applied for installation, outdoors, underground where subject to mechanical damage.
Standard
AS/NZS 1429.1
Cable Construction
- CONDUCTOR: Plain circular compacted aluminium to AS/NZS1125 Maximum Continuous Operating Temperature: 90°C
- CONDUCTOR SCREEN: Extruded semi-conducting compound, bonded to the insulation and applied in the same operation as the insulation
- INSULATION: Cross Linked Polyethylene (XLPE) – standard Ethylene Propylene Rubber (EPR) – alternative
- INSULATION SCREEN: Extruded semi-conducting compound
- METALLIC SCREEN: Plain annealed copper wire: 10kA for nominal 1 second(HEAVY DUTY)
- BEDDING: PVC
- ARMOURING: Galvanised steel wires
- SHEATH: Black 5V-90 polyvinyl chloride (PVC) – standard
- Orange 5V-90 PVC inner plus black high density polyethylene (HDPE) outer – alternative Low smoke zero halogen (LSOH) – alternative
Technical Characteristics
| Nominal conductor area | Maximum Conductor DC resistance at 20°C | Cond. AC resistance at 50Hz and 90°C | Inductive reactance at 50Hz | Insulation resistance at 20°C | Conductor to screen capacitance | Charging current per phase | Diele ctric loss per phrase |
Maxi mum diaele ctric stress |
ScreenDC resistance at 20°C | ArmourDC resistance at 20°C | Zero sequence resistance at 20°C | Zero seq. react. at 50Hz |
| mm | Ohm/km | Ohm/km | Ohm/km | MegOhm. km | uF x km | A x km | W x km |
kV x mm |
Ohm/km | Ohm/km | Ohm/km | Ohm/km |
| 50 | 0.641 | 0.821 | 0.147 | 18000 | 0.134 | 0.798 | 60.7 | 4.04 | 0.559 | 0.302 | 1.23 | 0.0985 |
| 70 | 0.443 | 0.568 | 0.136 | 16000 | 0.148 | 0.885 | 67.3 | 3.81 | 0.392 | 0.288 | 0.942 | 0.0879 |
| 95 | 0.32 | 0.41 | 0.129 | 15000 | 0.164 | 0.977 | 74.3 | 3.62 | 0.294 | 0.272 | 0.744 | 0.0812 |
| 120 | 0.253 | 0.325 | 0.124 | 14000 | 0.176 | 1.05 | 79.9 | 3.5 | 0.265 | 0.264 | 0.647 | 0.0766 |
| 150 | 0.206 | 0.264 | 0.12 | 13000 | 0.189 | 1.13 | 85.5 | 3.4 | 0.265 | 0.25 | 0.593 | 0.0731 |
| 185 | 0.164 | 0.211 | 0.117 | 12000 | 0.202 | 1.2 | 91.5 | 3.31 | 0.265 | 0.241 | 0.543 | 0.0694 |
| 240 | 0.125 | 0.161 | 0.112 | 11000 | 0.222 | 1.32 | 101 | 3.2 | 0.266 | 0.226 | 0.492 | 0.0647 |
| 300 | 0.1 | 0.13 | 0.108 | 10000 | 0.242 | 1.44 | 110 | 3.11 | 0.265 | 0.216 | 0.458 | 0.0614 |
| 400 | 0.0778 | 0.102 | 0.103 | 9100 | 0.267 | 1.59 | 121 | 3.02 | 0.265 | 0.202 | 0.423 | 0.0565 |
| 500 | 0.0617 | 0.0815 | 0.099 | 8100 | 0.297 | 1.77 | 135 | 2.93 | 0.265 | 0.215 | 0.419 | 0.0524 |
Cable Parameter
| Sectional Area of Conductor | Nom. Conductor Diameter | Nom. Insulation Thickness | Nom. Diamete Over insulation | Screen Area on cores | No. and Diamter of Screened Wires | Nom. Diamete Over Screened Wires | Nom. Diamete Over Bedding | Nom. Diamete of Armour | Nom. Diamete Over Armour | Nom. Overall Diameter | Approx. mass |
| mm2 | mm | mm | mm | mm2 | no x mm | mm | mm | mm | mm | mm | kg/100m |
| 50 | 8.1 | 8 | 25.6 | 32.3 | 19 x 0.85 | 28.9 | 66.6 | 3.15 | 72.9 | 80.2 | 850 |
| 70 | 9.6 | 8 | 27.2 | 46 | 27 x 0.85 | 30.5 | 70.3 | 3.15 | 76.6 | 84 | 935 |
| 95 | 11.4 | 8 | 28.9 | 61.3 | 36 x 0.85 | 32.2 | 74 | 3.15 | 80.3 | 87.9 | 1030 |
| 120 | 12.8 | 8 | 30.3 | 68.1 | 40 x 0.85 | 33.6 | 77.2 | 3.15 | 83.5 | 91.3 | 1100 |
| 150 | 14.2 | 8 | 31.7 | 68.1 | 40 x 0.85 | 35.2 | 80.9 | 3.15 | 87.2 | 95.2 | 1190 |
| 185 | 15.7 | 8 | 33.2 | 68.1 | 40 x 0.85 | 36.7 | 84.1 | 3.15 | 90.4 | 98.8 | 1270 |
| 240 | 18 | 8 | 35.5 | 68.1 | 40 x 0.85 | 39 | 89.4 | 3.15 | 95.7 | 104.4 | 1400 |
| 300 | 20.1 | 8 | 37.8 | 68.1 | 40 x 0.85 | 41.3 | 94.6 | 3.15 | 100.9 | 110 | 1540 |
| 400 | 23 | 8 | 40.7 | 68.1 | 40 x 0.85 | 44.2 | 101 | 3.15 | 107.3 | 116.7 | 1720 |
| 500 | 26.5 | 8 | 44.2 | 68.1 | 40 x 0.85 | 47.7 | 109 | 3.15 | 115.3 | 125.2 | 1960 |
