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Australian Standard (Medium Voltage)

19/33kV Three Core Individual Screened & PVC/SWA/PVC Sheathed (Cu Conductor)

Application

19/33kV Three Core Individual Screened & PVC/SWA/PVC Sheathed (Cu Conductor) 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.,19/33kV Three Core Individual Screened & PVC/SWA/PVC Sheathed (Cu Conductor) cables 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

19/33kV Three Core Individual Screened & PVC/SWA/PVC Sheathed (Cu Conductor)

CONDUCTOR: Plain circular compacted copper 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 phr
ase
Maximum diaelectric stress Scree
nDC resis
tance 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 µF x km A x km W
x km
kV x mm Ohm
/km
Ohm/km Ohm/km Ohm/km
50 0.387 0.494 0.147 18000 0.133 0.796 60.5 4.05 0.366 0.302 0.884 0.0988
70 0.268 0.342 0.139 16000 0.148 0.883 67.1 3.82 0.265 0.288 0.682 0.0909
95 0.193 0.247 0.128 15000 0.165 0.984 74.8 3.61 0.265 0.272 0.596 0.0807
120 0.153 0.196 0.123 14000 0.179 1.07 81.1 3.48 0.265 0.261 0.548 0.0757
150 0.124 0.159 0.12 13000 0.191 1.14 86.8 3.38 0.266 0.247 0.509 0.0722
185 0.0991 0.128 0.116 12000 0.205 1.23 93.2 3.29 0.266 0.238 0.476 0.0685
240 0.0754 0.0978 0.111 11000 0.227 1.35 103 3.17 0.265 0.224 0.441 0.0637
300 0.0601 0.0788 0.107 9800 0.247 1.48 112 3.09 0.266 0.211 0.415 0.0605
400 0.047 0.0628 0.102 8900 0.272 1.62 123 3 0.266 0.198 0.389 0.0557
500 0.0373 0.0513 0.099 8100 0.297 1.77 135 2.93 0.265 0.215 0.395 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 8 25.5 49.4 29 x 0.85 28.8 66.5 3.15 72.8 80.1 950
70 9.6 8 27.1 68.1 40 x 0.85 30.4 70.2 3.15 76.5 83.9 1080
95 11.5 8 29 68.1 40 x 0.85 32.3 74.2 3.15 80.5 88.2 1220
120 13.1 8 30.6 68.1 40 x 0.85 33.9 78 3.15 84.3 92.1 1340
150 14.5 8 32 68.1 40 x 0.85 35.5 81.7 3.15 88 96 1490
185 16.1 8 33.6 68.1 40 x 0.85 37.1 85.2 3.15 91.5 99.9 1630
240 18.5 8 36 68.1 40 x 0.85 39.5 90.6 3.15 96.9 105.6 1880
300 20.7 8 38.4 68.1 40 x 0.85 41.9 95.9 3.15 102.2 111.3 2140
400 23.6 8 41.3 68.1 40 x 0.85 44.8 102.4 3.15 108.7 118.1 2510
500 26.5 8 44.2 68.1 40 x 0.85 47.7 109 3.15 115.3 125.2 2900