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Australian Standard (Medium Voltage)

19/33kV Single Core Screened & PVC Sheathed (Cu Conductor)

Application

19/33kV Single Core Screened & 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 Single Core Screened & PVC Sheathed (Cu Conductor) 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 Single Core Screened & 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: 3kA for nominal 1 second(LIGHT DUTY) Plain annealed copper
ire: 10kA for nominal 1 second(HEAVY DUTY)

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

LIGHT DUTY

Nominal cond
uctor area
Maximum Conductor DC resist
ance at 20°C
Cond. AC resistance at 50Hz and 90°C Inductive reactance at 50Hz and 90°C Insulation resistance at 20°C Conductor to screen capacit
ance
Maximum diaelectric stress Current Ratings
Trefoil or Flat touc
hing
flat spaced Trefoil touc
hing
flat touc
hing
flat spaced Unencl
osed In Air
Buried Direct Buried In Ducts (c)
mm2 Ohm/km Ohm
/km
Ohm
/km
Ohm
/km
Ohm
/km
Ohm
/km
MegOhm. km µF x km kV x mm A A A
50 0.387 0.494 0.494 0.163 0.178 0.224 18000 0.133 4.05 246 216 188
70 0.268 0.342 0.342 0.154 0.169 0.215 16000 0.148 3.82 304 263 228
95 0.193 0.247 0.247 0.143 0.158 0.204 15000 0.165 3.61 370 314 272
120 0.153 0.195 0.195 0.137 0.153 0.198 14000 0.179 3.48 425 356 315
150 0.124 0.159 0.159 0.133 0.148 0.194 13000 0.191 3.38 482 398 352
185 0.0991 0.127 0.127 0.129 0.144 0.19 12000 0.205 3.29 552 448 396
240 0.0754 0.0976 0.0972 0.124 0.139 0.185 11000 0.227 3.17 650 518 458
300 0.0601 0.0786 0.0779 0.12 0.135 0.181 9800 0.247 3.09 743 582 514
400 0.047 0.0625 0.0616 0.115 0.13 0.176 8900 0.272 3 861 660 582
500 0.0366 0.0499 0.0487 0.111 0.126 0.172 8100 0.297 2.93 993 744 682
630 0.0283 0.0403 0.0387 0.108 0.123 0.169 7300 0.329 2.86 1139 835 764

Cable Parameter

LIGHT DUTY

Sectional Area of Conductor Nom. Conductor Diameter Nom. Insulation Thickness Nom. Diamete Over insulation Screen Area on Each core No. and Diamter of Screened Wires Nom. Diamete Over Screened Wires Nom. Overall Diameter Approx. mass
mm2 mm mm mm mm2 no x mm mm mm kg/100m
50 8 8 25.5 20 36 x 0.85 26.2 32.4 133
70 9.6 8 27.1 20 36 x 0.85 27.6 33.8 157
95 11.5 8 29 20 36 x 0.85 29.3 35.7 188
120 13.1 8 30.6 20 36 x 0.85 30.7 37.1 216
150 14.5 8 32 20 36 x 0.85 32.1 38.7 247
185 16.1 8 33.6 20 36 x 0.85 33.9 40.5 288
240 18.5 8 36 20 36 x 0.85 36.2 43.0 350
300 20.7 8 38.4 20 36 x 0.85 38.4 45.4 416
400 23.6 8 41.3 20 36 x 0.85 41.8 49.1 510
500 26.5 8 44.2 20 36 x 0.85 45.1 52.6 615
630 29.9 8 47.9 20 36 x 0.85 48.7 56.4 760

Technical Characteristics

HEAVY DUTY

Nominal condu
ctor area
Maximum Conductor DC resist
ance at 20°C
Cond. AC resistance at 50Hz and 90°C Inductive reactance at 50Hz and 90°C Insulation resistance at 20°C Conductor to screen capacit
ance
Maximum diaelectric stress Current Ratings
Trefoil or Flat touch
ing
flat spaced Trefoil touch
ing
flat touch
ing
flat spaced Unenc
losed In
Air
Buried Direct Buried In Ducts (c)
mm2 Ohm/km Ohm
/km
Ohm
/km
Ohm
/km
Ohm
/km
Ohm
/km
MegOhm. km µF x km kV x mm A A A
50 0.387 0.494 0.494 0.163 0.178 0.224 18000 0.133 4.05 248 216 188
70 0.268 0.342 0.342 0.154 0.169 0.215 16000 0.148 3.82 305 262 227
95 0.193 0.247 0.247 0.143 0.158 0.204 15000 0.165 3.61 370 311 276
120 0.153 0.195 0.195 0.137 0.153 0.198 14000 0.179 3.48 424 352 311
150 0.124 0.159 0.159 0.133 0.148 0.194 13000 0.191 3.38 479 392 347
185 0.0991 0.127 0.127 0.129 0.144 0.19 12000 0.205 3.29 547 441 389
240 0.0754 0.0976 0.0972 0.124 0.139 0.185 11000 0.227 3.17 641 506 447
300 0.0601 0.0786 0.0779 0.12 0.135 0.181 9800 0.247 3.09 729 565 499
400 0.047 0.0625 0.0616 0.115 0.13 0.176 8900 0.272 3 840 636 583
500 0.0366 0.0499 0.0487 0.111 0.126 0.172 8100 0.297 2.93 961 711 651
630 0.0283 0.0403 0.0387 0.108 0.123 0.169 7300 0.329 2.86 1094 790 723
800 0.0221 0.0336 0.0315 0.102 0.117 0.163 6300 0.381 2.78      
1000 0.0182 0.0245 0.024 0.1 0.115 0.161 5600 0.427 2.72      
1200 0.015 0.0207 0.0201 0.0984 0.114 0.159 5200 0.461 2.68      

Cable Parameter

HEAVY DUTY

Sectional Area of Conductor Nom. Conductor Diameter Nom. Insulation Thickness Nom. Diamete Over insulation Screen Area on Each core No. and Diamter of Screened Wires Nom. Diamete Over Screened Wires Nom. Overall Diameter Approx. mass
mm2 mm mm mm mm2 no x mm mm mm kg/100m
50 8 8 25.5 48.7 34 x 1.35 29.8 34.3 170
70 9.6 8 27.1 68.7 48 x 1.35 31.4 36.1 215
95 11.5 8 29 68.7 48 x 1.35 33.3 38 245
120 13.1 8 30.6 68.7 48 x 1.35 34.9 39.8 280
150 14.5 8 32 68.7 48 x 1.35 36.5 41.4 310
185 16.1 8 33.6 68.7 48 x 1.35 38.1 43.2 345
240 18.5 8 36 68.7 48 x 1.35 40.5 45.9 410
300 20.7 8 38.4 68.7 48 x 1.35 42.9 48.4 475
400 23.6 8 41.3 68.7 48 x 1.35 45.8 51.5 575
500 26.5 8 44.2 68.7 48 x 1.35 48.7 54.9 685
630 29.9 8 47.9 68.7 48 x 1.35 52.4 58.8 815
800 35.9 8 54 68.7 48 x 1.35 58.5 65.3 1020
1000 40.2 8 59.5 68.7 48 x 1.35 64 71 1220
1200 43.8 8 63.5 68.7 48 x 1.35 68 75.2 1420