description:

Main structural specifications Voltage grade Nom Conductor Internal Insulated External Apr value Thickness of Jacketed Ext Apr Value kg/m (KV) section mm2 nominal diameter mm screened thickness mm thickness mm screen thickness mm of water- resisting layer mm corrugated aluminum pipe mm thickness mm diameter mm Cu Al PVC jacket PE jacket PVC jacket PEjacket 38/66 150 14.5 1.2 13.0 1.0 5.0 2.0 3.5 69.9 4960 4675 4032 3741 185 16.2 1.2 13.0 1.0 5.0 2.0 3.5 71.6 5411 5119 4267 3975 240 18.4 1.2 12.0 1.0 5.0 2.0 3.5 71.8 5868 5575 4383 4090 300 20.6 1.2 12.0 1.0 5.0 2.0 3.5 74.0 6577 6275 4721 4419 400 23.8 1.2 12.0 1.0 5.0 2.0 3.5 77.2 7722 7406 5247 4931 500 26.6 1.2 13.0 1.0 5.0 2.0 3.5 88.0 8834 8506 5741 5413 630 30.0 1.2 12.0 1.0 5.0 2.0 3.5 83.4 10262 9919 6364 6021 800 34.0 1.2 12.0 1.0 5.0 2.0 3.5 87.4 12092 11732 7143 6783 1000 38.2 1.2 12.0 1.0 5.0 2.0 3.5 91.6 14206 13828 8019 7641 800* 35.0 1.4 12.0 1.0 5.0 2.0 3.5 88.8 12230 11864 - - 1000* 40.2 1.4 12.0 1.0 5.0 2.0 3.5 95.0 14461 14068 - - 1200* 44.0 1.4 12.0 1.0 5.0 2.0 3.5 98.8 16545 16136 9121 8712 1400* 46.0 1.4 12.0 1.0 5.0 2.0 3.5 100.8 18484 18067 9822 9405 1600* 48.2 1.4 12.0 1.0 5.0 2.0 3.5 104.8 20474 20043 10574 10143 1800* 52.0 1.4 12.0 1.0 5.0 2.0 3.5 107.8 - - 11422 10974 2000* 53.8 1.4 12.0 1.0 5.0 2.0 3.5 109.6 - - 12107 11652 48/66 150 14.5 1.2 14.0 1.0 5.0 2.0 4.0 72.9 5318 4981 4390 4053 185 16.2 1.2 13.5 1.0 5.0 2.0 4.0 74.6 5779 5433 4634 4288 240 18.4 1.2 12.5 1.0 5.0 2.0 4.0 75.8 6348 5996 4863 4511 300 20.6 1.2 13.0 1.0 5.0 2.0 4.0 78.0 7071 8708 5215 4852 400 23.8 1.2 13.0 1.0 5.0 2.0 4.0 80.2 8117 7744 5642 5264 500 26.6 1.2 13.0 1.0 5.0 2.0 4.0 83.0 9244 8856 6150 5763 630 30.0 1.2 13.0 1.0 5.0 2.0 4.0 86.4 10688 10284 6790 6386 800 34.0 1.2 13.0 1.0 5.0 2.0 4.0 90.8 12545 12119 7595 7170 1000 38.2 1.2 13.0 1.0 5.0 2.0 4.0 94.6 14672 14228 8485 8043 800* 35.0 1.4 13.0 1.0 5.0 2.0 4.0 91.8 12682 12252 - - 1000* 40.2 1.4 13.0 1.0 5.0 2.0 4.0 98.0 14941 14480 - - 1200* 44.0 1.4 13.0 1.0 5.0 2.0 4.0 101.8 17044 16565 9620 9140 1400* 46.0 1.4 13.0 1.0 5.0 2.0 4.0 103.8 18993 18504 10331 9842 1600* 48.2 1.4 13.0 1.0 5.0 2.0 4.0 107.0 20996 20491 11096 10592 1800* 52.0 1.4 13.0 1.0 5.0 2.0 4.0 110.8 - - 11962 11439 2000* 53.8 1.4 13.0 1.0 5.0 2.0 4.0 112.6 - - 12657 12124 64/110 240 18.4 1.4 19.0 1.2 5.0 2.0 4.0 86.6 7949 7530 6463 6045 300 20.6 1.4 18.5 1.2 5.0 2.0 4.0 87.8 8536 8112 6679 6255 400 23.8 1.3 17.5 1.2 5.0 2.0 4.0 89.0 9531 9101 7055 6625 500 26.6 1.4 17.0 1.2 5.0 2.0 4.0 91.0 10596 10156 7501 7061 630 30.0 1.4 16.5 1.2 5.0 2.0 4.0 94.9 11861 11450 8052 7550 800 34.0 1.4 16.0 1.2 5.0 2.0 4.0 96.4 13660 13194 8707 8542 1000 38.2 1.6 16.0 1.2 5.0 2.0 4.0 102.0 15836 15342 9646 9152 800* 35.0 1.8 16.0 1.2 5.0 2.0 4.0 98.8 13862 15304 - - 1000* 40.2 1.8 16.0 1.2 5.0 2.0 4.0 104.4 16216 15898 - - 1200* 44.0 1.8 16.0 1.2 5.0 2.0 4.0 108.2 18366 17842 10938 10414 1400* 46.0 1.8 16.0 1.2 5.0 2.0 4.0 110.2 20341 19807 11675 11141 1600* 48.2 1.8 16.0 1.2 5.0 2.0 4.0 113.4 22362 21812 12458 11908 1800* 52.0 1.8 16.0 1.2 5.0 2.0 4.0 117.2 24293 23656 13371 12803 2000* 53.8 1.8 16.0 1.2 5.0 2.0 4.0 119.0 26252 25604 14.88 13511 76/132 240 18.4 1.3 19.0 1.2 5.0 2.0 4.0 87.4 7754 7345 6269 5860 300 20.6 1.3 19.0 1.2 5.0 2.0 4.0 89.6 8514 8095 6658 6239 400 23.8 1.3 19.0 1.2 5.0 2.0 4.0 92.8 9733 9298 7258 6823 500 26.6 1.4 19.0 1.2 5.0 2.0 4.0 95.8 10889 10454 7796 7360 630 30.0 1.4 19.0 1.2 5.0 2.0 4.0 99.2 12450 11984 8552 8086 800 34.0 1.4 1.8 1.2 5.0 2.0 4.0 101.2 14075 13599 9126 8649 1000 38.2 1.6 1.8 1.2 5.0 2.0 4.0 105.8 16345 15846 10158 9659 800* 35.0 1.6 1.8 1.2 5.0 2.0 4.0 102.6 14242 13759 - - 1000* 40.2 1.8 1.8 1.2 5.0 2.0 4.0 109.2 16654 16138 - - 1200* 44.0 1.8 1.8 1.2 5.0 2.0 4.0 113.0 18820 18286 11396 10861 1400* 46.0 1.8 1.8 1.2 5.0 2.0 4.0 115.0 20802 20258 12141 11597 1600* 48.2 1.8 1.8 1.2 5.0 2.0 4.0 118.2 22841 22282 12942 12383 1800* 52.0 1.8 1.8 1.2 5.0 2.0 4.0 122.0 25024 24359 13871 13293 2000* 53.8 1.8 1.8 1.2 5.0 2.0 4.0 123.8 26994 26317 14596 14009 127/220 400 23.8 2.0 27.0 1.5 5.0 2.0 4.5 110.2 12829 12232 10353 9756 500 26.6 2.0 27.0 1.5 5.0 2.0 4.5 113.0 14092 13478 10997 10383 630 30.0 2.0 26.0 1.5 5.0 2.0 4.5 115.4 15373 14746 11474 10847 800 34.0 2.0 25.0 1.5 5.0 2.0 4.5 116.4 17030 16404 12084 11452 1000 38.2 2.0 24.0 1.5 5.0 2.2 4.5 119.0 19206 18560 13016 12370 800* 35.0 2.0 25.0 1.5 5.0 2.0 4.5 117.4 17178 16540 - - 1000* 40.2 2.0 24.0 1.5 5.0 2.2 4.5 121.0 19476 18818 - - 1200* 44.0 2.0 24.0 1.5 5.0 2.4 4.5 125.2 21949 21268 14521 13840 1400* 46.0 2.0 24.0 1.5 5.0 2.4 4.5 128.2 24030 23333 15364 14667 1600* 48.2 2.0 24.0 1.5 5.0 2.6 4.5 130.8 26328 25617 16424 15713 1800* 52.0 2.0 24.0 1.5 5.0 2.6 4.5 134.6 28417 27659 17462 16729 2000* 53.8 2.0 24.0 1.5 5.0 3.0 4.5 136.6 30932 29961 18725 17981 Max resistance of conductor Nom section mm2 DC resistance(20℃) AC resistance(20℃) Cu Al Cu Al 150 0.124 0.206 0.159 0.264 185 0.0991 0.164 0.127 0.211 240 0.0754 0.125 0.097 0.161 300 0.0601 0.1 0.0777 0.129 400 0.047 0.0778 0.0614 0.101 500 0.0366 0.0605 0.0485 0.0787 630 0.0283 0.0469 0.0384 0.0616 800 0.0221 0.0367 0.0311 0.0489 1000 0.0176 0.0291 0.026 0.0397 800* 0.0221 - 0.0288 - 1000* 0.0176 - 0.0232 - 1200* 0.0151 0.0247 0.0201 0.0322 1400* 0.0129 0.0212 0.0175 0.0278 1600* 0.0113 0.0186 0.0156 0.0246 1800* - 0.0165 - 0.022 2000* - 0.0149 - 0.0201 Capacitance Nom section mm2 38/66kV 48/66KV 64/110KV 76/132KV 127/220KV 150 0.128 0.123 - - - 185 0.137 0.132 - - - 240 0.156 0.146 0.120 0.119 - 300 0.168 0.157 0.130 0.128 - 400 0.186 0.177 0.147 0.139 0.111 500 0.201 0.191 0.160 0.149 0.119 630 0.22 0.209 0.177 0.161 0.131 800 0.242 0.229 0.197 0.182 0.144 1000 0.264 0.250 0.213 0.197 0.160 800* 0.244 0.231 0.200 0.185 0.147 1000* 0.272 0.257 0.219 0.203 0.165 1200* 0.292 0.276 0.234 0.216 0.176 1400* 0.303 0.286 0.242 0.224 0.181 1600* 0.314 0.297 0.251 0.232 0.187 1800* 0.334 0.315 0.266 0.245 0.198 2000* 0.344 0.324 0.274 0.252 0.203 Charging current Nom section mm2 38/66kV 48/66KV 64/110KV 76/132KV 127/220KV 150 1.53 1.85 - - - 185 1.64 1.98 - - - 240 1.86 2.19 2.39 2.85 - 300 2.01 2.36 2.6 3.05 - 400 2.22 2.67 2.95 3.32 4.45 500 2.41 2.88 3.22 3.57 4.74 630 2.63 3.14 3.56 3.86 5.21 800 2.89 3.45 3.96 4.36 5.76 1000 3.16 3.77 4.28 4.7 6.37 800* 2.92 3.49 4.01 4.41 5.87 1000* 3.25 3.88 4.4 4.8 6.59 1200* 3.49 4.16 4.71 5.17 7.01 1400* 3.61 4.31 4.87 5.34 7.23 1600* 3.75 4.77 5.05 5.53 7.47 1800* 3.99 4.75 5.36 5.88 7.89 2000* 4.10 4.89 5.5 6.01 8.08 Inductance Nom section mm2 Parallel laying Triangular laying Nom section mm2 Parallel laying Triangular laying 150 0.761 0.807 1000 0.566 0.612 185 0.739 0.785 800* 0.583 0.629 240 0.713 0.759 1000* 0.555 0.602 300 0.690 0.736 1200* 0.537 0.584 400 0.661 0.707 1400* 0.528 0.575 500 0.639 0.685 1600* 0.519 0.565 630 0.614 0.661 1800* 0.504 0.550 800 0.589 0.636 2000* 0.497 0.543 Max allowable short circuit current of conductor Nom section mm2 Cu Al Nom section mm2 Cu Al 150 21.5 14.2 1000 143.1 94.5 185 26.5 17.5 800* 114.5 - 240 34.3 22.7 1000* 143.1 - 300 42.9 28.4 1200* 171.7 113.4 400 57.2 37.8 1400* 200.3 132.3 500 71.5 47.2 1600* 228.9 151.2 630 90.1 59.5 1800* - 170.1 800 114.5 75.6 2000* - 189.0 Max allowable short circuit current of aluminum jacket Nom section mm2 38/66kV 48/66KV 64/110KV 76/132KV 127/220KV 150 36.3 37.5 - - - 185 37.4 38.6 - - - 240 37.5 39.3 48.2 46.5 - 300 38.8 40.7 48.9 47.8 - 400 40.8 42 49.7 49.8 62.1 500 42.5 43.8 50.9 51.7 63.9 630 44.6 45.9 52.4 54 64.7 800 47.1 48.3 54.3 55 66 1000 49.7 50.9 57.7 57.8 67.3 800* 48 49.2 55.7 55.9 66.6 1000* 51.8 53 59.2 59.9 68.6 1200* 54.1 55.4 61.5 62.3 70.9 1400* 55.4 56.6 62.8 63.5 72.7 1600* 57.3 58.6 64.7 65.5 74.1 1800* 59.7 60.9 67.1 67.8 76.4 2000* 60.8 62 68.2 68.9 77.6 Positive,negative and zero sequence impedance(parallel laying) Voltage grade (KV) Nom section mm2 Copper core Aluminum core Positive and negative sequenceimpedance Zero sequence impedance Positive and negative sequenceimpedance Zero sequence impedance 38/66 150 0.159+j0.238 0.254+j0.131 0.264+j0.238 0.359+j0.131 185 0.127+j0.232 0.219+j0.125 0.211+j0.232 0.303+j0.125 240 0.0970+j0.224 0.189+j0.113 0.161+j0.224 0.253+j0.113 300 0.0777+j0.216 0.166+j0.108 0.129+j0.216 0.218+j0.108 400 0.0613+j0.207 0.146+j0.107 0.101+j0.207 0.185+j0.107 500 0.0485+j0.200 0.129+j0.103 0.0787+j0.200 0.160+j0.103 630 0.0384+j0.193 0.116+j0.0980 0.0616+j0.193 0.139+j0.0980 800 0.0310+j0.185 0.104+j0.0936 0.0489+j0.185 0.122+j0.0936 1000 0.0259+j0.178 0.0952+j0.0897 0.0396+j0.178 0.109+j0.0897 800* 0.0288+j0.183 0.102+j0.0929 - - 1000* 0.0232+j0.174 0.0897+j0.0887 - - 1200* 0.0201+j0.169 0.0937+j0.0859 0.0322+j0.169 0.958+j0.0859 1400* 0.0174+j0.166 0.0796+j0.0845 0.0278+j0.166 0.900+j0.0845 1600* 0.155+j0.163 0.0756+j0.0835 0.0246+j0.163 0.846+j0.0835 1800* - - 0.0220+j0.158 0.797+j0.0820 2000* - - 0.0200+j0.156 0.767+j0.0815 48/66 150 0.159+j0.238 0.250+j0.133 0.256+j0.238 0.348+j0.133 185 0.127+j0.232 0.216+j0.128 0.204+j0.232 0.293+j0.128 240 0.0970+j0.224 0.185+j0.121 0.156+j0.224 0.243+j0.121 300 0.0777+j0.216 0.162+j0.116 0.125+j0.216 0.209+j0.116 400 0.0613+j0.207 0.143+j0.109 0.0974+j0.207 0.179+j0.109 500 0.0485+j0.200 0.127+j0.104 0.0762+j0.200 0.155+j0.104 630 0.0384+j0.193 0.114+j0.0998 0.0596+j0.193 0.135+j0.0998 800 0.0310+j0.185 0.102+j0.0954 0.0474+j0.185 0.119+j0.0954 1000 0.0259+j0.178 0.0935+j0.0912 0.0384+j0.178 0.106+j0.0912 800* 0.0288+j0.183 0.0988+j0.0945 - - 1000* 0.0232+j0.174 0.0881+j0.0902 - - 1200* 0.0201+j0.169 0.0823+j0.0873 0.0312+j0.169 0.934+j0.0873 1400* 0.0174+j0.166 0.0783+j0.0859 0.269+j0.166 0.0878+j0.0859 1600* 0.155+j0.163 0.0743+j0.0848 0.0238+j0.163 0.826+j0.0848 1800* - - 0.0220+j0.151 0.0778+j0.0816 2000* - - 0.0200+j0.142 0.0749+j0.0810 64/110 240 0.0970+j0.211 0.168+j0.134 0.161+j0.211 0.232+j0.134 300 0.0777+j0.204 0.148+j0.128 0.129+j0.202 0.199+j0.128 400 0.0614+j0.195 0.131+j0.119 0.101+j0.195 0.170+j0.119 500 0.0425+j0.188 0.116+j0.114 0.0787+j0.188 0.146+j0.114 630 0.0384+j0.180 0.104+j0.108 0.0616+j0.180 0.123+j0.108 800 0.0311+j0.172 0.0946+j0.103 0.0489+j0.172 0.112+j0.103 1000 0.0260+j0.165 0.0857+j0.0988 0.0397+j0.165 0.0994+j0.988 800* 0.0288+j0.171 0.0906+j0.102 - - 1000* 0.0232+j0.162 0.0814+j0.0973 - - 1200* 0.0201+j0.156 0.0761+j0.0941 0.0322+j0.156 0.0882+j0.0941 1400* 0.0175+j0.153 0.0724+j0.0925 0.0278+j0.153 0.0827+j0.0925 1600* 0.0156+j0.150 0.0688+j0.0913 0.0246+j0.150 0.0788+j0.0913 1800* - - 0.0220+j0.146 0.0734+j0.0888 2000* - - 0.0200+j0.144 0.0706+j0.0877 76/132 240 0.0970+j0.224 0.171+j0.131 0.161+j0.224 0.235+j0.131 300 0.0777+j0.216 0.150+j0.126 0.129+j0.216 0.201+j0.126 400 0.0613+j0.208 0.131+j0.120 0.101+j0.208 0.170+j0.120 500 0.0485+j0.200 0.115+j0.115 0.0787+j0.200 0.145+j0.115 630 0.0384+j0.193 0.102+j0.110 0.0616+j0.193 0.126+j0.110 800 0.0310+j0.185 0.0937+j0.103 0.0189+j0.185 0.112+j0.103 1000 0.0259+j0.178 0.855+j0.0933 0.0396+j0.178 0.0992+j0.0993 800* 0.0288+j0.183 0.0904+j0.0103 - - 1000* 0.0232+j0.174 0.0806+j0.0981 - - 1200* 0.0201+j0.169 0.754+j0.0948 0.0322+j0.169 0.0875+j0.0948 1400* 0.0174+j0.166 0.0717+j0.0933 0.0278+j0.166 0.0820+j0.0933 1600* 0.0155+j0.163 0.0681+j0.0920 0.0246+j0.163 0.0772+j0.0920 1800* - - 0.0220+j0.158 0.0728+j0.0895 2000* - - 0.0200+j0.156 0.0700+j0.0884 127/220 400 0.0614+j0.195 0.117+j0.133 0.101+j0.195 0.156+j0.133 500 0.0485+j0.188 0.102+j0.128 0.0787+j0.188 0.133+j0.128 630 0.0384+j0.180 0.0916+j0.121 0.0616+j0.180 0.115+j0.121 800 0.0311+j0.172 0.0791+j0.116 0.0489+j0.172 0.101+j0.115 1000 0.0260+j0.165 0.0678+j0.107 0.0397+j0.165 0.0860+j0.109 800* 0.0288+j0.171 0.0750+j0.114 - - 1000* 0.0232+j0.162 0.0678+j0.107 - - 1200* 0.0201+j0.156 0.0605+j0.104 0.0322+j0.156 0.0726+j0.104 1400* 0.0175+j0.153 0.0952+j0.0897 0.0396+j0.178 0.0672+j0.102 1600* 0.0156+j0.150 0.0512+j0.101 0.0246+j0.150 0.0602+j0.100 1800* - - 0.0220+j0.146 0.0565+j0.0977 2000* - - 0.0201+j0.144 0.0494+j0.0968 Positive,negative and zero sequence impedance(parallel laying) Voltage grade (KV) Nom section mm2 Copper core Aluminum core Positive and negative sequenceimpedance Zero sequence impedance Positive and negative sequenceimpedance Zero sequence impedance 38/66 150 0.159+j0.238 0.250+j0.133 0.264+j0.238 0.359+j0.131 185 0.127+j0.232 0.219+j0.128 0.211+j0.232 0.303+j0.125 240 0.0970+j0.224 0.185+j0.121 0.161+j0.224 0.253+j0.113 300 0.0777+j0.216 0.162+j0.116 0.129+j0.216 0.218+j0.108 400 0.0613+j0.207 0.146+j0.107 0.101+j0.207 0.185+j0.107 500 0.0485+j0.200 0.127+j0.104 0.0787+j0.200 0.160+j0.103 630 0.0384+j0.193 0.114+j0.0998 0.0616+j0.193 0.139+j0.0980 800 0.0310+j0.185 0.104+j0.0936 0.0489+j0.185 0.122+j0.0936 1000 0.0259+j0.178 0.0952+j0.0897 0.0396+j0.178 0.109+j0.0897 800* 0.0288+j0.183 0.102+j0.0929 - - 1000* 0.0232+j0.174 0.0897+j0.0887 - - 1200* 0.0201+j0.169 0.0937+j0.0859 0.0322+j0.169 0.958+j0.0859 1400* 0.0174+j0.166 0.0796+j0.0845 0.0278+j0.166 0.900+j0.0845 1600* 0.155+j0.163 0.0756+j0.0835 0.0246+j0.163 0.846+j0.0835 1800* - - 0.0220+j0.158 0.797+j0.0820 2000* - - 0.0200+j0.156 0.767+j0.0815 48/66 150 0.159+j0.238 0.250+j0.133 0.256+j0.238 0.348+j0.133 185 0.127+j0.232 0.216+j0.128 0.204+j0.232 0.293+j0.128 240 0.0970+j0.224 0.185+j0.121 0.156+j0.224 0.243+j0.121 300 0.0777+j0.216 0.162+j0.116 0.125+j0.216 0.209+j0.116 400 0.0613+j0.207 0.143+j0.109 0.0974+j0.207 0.179+j0.109 500 0.0485+j0.200 0.127+j0.104 0.0762+j0.200 0.155+j0.104 630 0.0384+j0.193 0.114+j0.0998 0.0596+j0.193 0.135+j0.0998 800 0.0310+j0.185 0.102+j0.0954 0.0474+j0.185 0.119+j0.0954 1000 0.0259+j0.178 0.0935+j0.0912 0.0384+j0.178 0.106+j0.0912 800* 0.0288+j0.183 0.0988+j0.0945 - - 1000* 0.0232+j0.174 0.0881+j0.0902 - - 1200* 0.0201+j0.169 0.0823+j0.0873 0.0312+j0.169 0.934+j0.0873 1400* 0.0174+j0.166 0.0783+j0.0859 0.269+j0.166 0.0878+j0.0859 1600* 0.155+j0.163 0.0743+j0.0848 0.0238+j0.163 0.826+j0.0848 1800* - - 0.0220+j0.151 0.0778+j0.0816 2000* - - 0.0200+j0.142 0.0749+j0.0810 64/110 240 0.0970+j0.209 0.168+j0.134 0.161+j0.211 0.232+j0.134 300 0.0777+j0.202 0.148+j0.128 0.129+j0.202 0.199+j0.128 400 0.0614+j0.193 0.131+j0.119 0.101+j0.195 0.170+j0.119 500 0.0485+j0.186 0.116+j0.114 0.0787+j0.188 0.146+j0.114 630 0.0384+j0.179 0.104+j0.108 0.0616+j0.180 0.123+j0.108 800 0.0311+j0.171 0.0946+j0.103 0.0489+j0.172 0.112+j0.103 1000 0.0260+j0.164 0.0857+j0.0988 0.0397+j0.165 0.0994+j0.988 800* 0.0288+j0.169 0.0906+j0.102 - - 1000* 0.0232+j0.160 0.0814+j0.0973 - - 1200* 0.0201+j0.155 0.0761+j0.0941 0.0322+j0.156 0.0882+j0.0941 1400* 0.0175+j0.152 0.0724+j0.0925 0.0278+j0.153 0.0827+j0.0925 1600* 0.0156+j0.149 0.0688+j0.0913 0.0246+j0.150 0.0778+j0.0913 1800* - - 0.0220+j0.146 0.0734+j0.0888 2000* - - 0.0200+j0.144 0.0706+j0.0877 76/132 240 0.0970+j0.224 0.171+j0.131 0.161+j0.224 0.235+j0.131 300 0.0777+j0.216 0.150+j0.126 0.129+j0.216 0.201+j0.126 400 0.0613+j0.208 0.131+j0.120 0.101+j0.208 0.170+j0.120 500 0.0485+j0.200 0.115+j0.115 0.0787+j0.200 0.145+j0.115 630 0.0384+j0.193 0.102+j0.110 0.0616+j0.193 0.126+j0.110 800 0.0310+j0.185 0.0937+j0.103 0.0189+j0.185 0.112+j0.103 1000 0.0259+j0.178 0.0855+j0.0933 0.0396+j0.178 0.0992+j0.0993 800* 0.0288+j0.183 0.0904+j0.0103 - - 1000* 0.0232+j0.174 0.0806+j0.0981 - - 1200* 0.0201+j0.169 0.0754+j0.0948 0.0322+j0.169 0.0875+j0.0948 1400* 0.0174+j0.166 0.0717+j0.0933 0.0278+j0.166 0.0820+j0.0933 1600* 0.0155+j0.163 0.0681+j0.0920 0.0246+j0.163 0.0772+j0.0920 1800* - - 0.0220+j0.158 0.0728+j0.0895 2000* - - 0.0200+j0.156 0.0700+j0.0884 127/220 400 0.0614+j0.193 0.117+j0.133 0.101+j0.195 0.156+j0.133 500 0.0485+j0.186 0.102+j0.128 0.0787+j0.188 0.133+j0.128 630 0.0384+j0.179 0.0916+j0.121 0.0616+j0.180 0.115+j0.121 800 0.0311+j0.171 0.0791+j0.116 0.0489+j0.172 0.101+j0.115 1000 0.0260+j0.164 0.0678+j0.107 0.0397+j0.165 0.0860+j0.109 800* 0.0288+j0.169 0.0750+j0.114 - - 1000* 0.0232+j0.160 0.0678+j0.107 - - 1200* 0.0210+j0.155 0.0605+j0.104 0.0322+j0.156 0.0726+j0.104 1400* 0.0175+j0.152 0.0952+j0.0897 0.0396+j0.178 0.0672+j0.102 1600* 0.0156+j0.149 0.0512+j0.101 0.0246+j0.150 0.0602+j0.100 1800* - - 0.0220+j0.146 0.0565+j0.0977 2000* - - 0.0201+j0.144 0.0494+j0.0968 Reference continuous current-carrying capacity of cable Voltage grade (KV) Nom section mm2 In air underground Parallel laying Triangular laying Parallel laying Triangular laying Cu Al Cu Al Cu Al Cu Al 38/66 48/66 150 496 389 448 346 410 318 376 249 185 570 440 511 397 463 361 424 328 240 612 524 596 465 541 419 487 381 300 769 600 680 532 607 472 544 429 400 891 697 777 617 689 540 617 487 500 1031 811 887 710 780 617 694 554 630 1187 942 1010 815 887 703 711 626 800 1357 1085 1142 935 987 790 853 706 1000 1520 1245 1257 996 1083 888 923 780 800* 1411 - 1187 - 1026 - 887 - 1000* 1610 - 1331 - 1147 - 978 - 1200* 1475 1407 1437 1187 1229 988 1036 862 1400* 1914 1542 1540 1280 1315 1060 1094 920 1600* 2049 1656 1627 1369 1388 1127 1142 968 1800* - 1784 - 1448 - 1188 - 1003 2000* - 1867 - 1517 - 1243 - 1050 64/110 240 650 505 590 460 504 393 480 369 300 745 580 672 527 571 446 542 417 400 870 580 769 608 652 513 619 475 500 1001 790 878 701 744 586 700 542 630 1159 921 1001 811 844 672 787 619 800 1325 1062 1133 927 915 750 840 685 1000 1480 1211 1301 1040 988 837 906 757 800* 1376 - 1178 - 950 - 873 - 1000* 1567 - 1318 - 1046 - 960 - 1200* 1715 1373 1423 1174 1123 930 1008 835 1400* 1863 1495 1525 1267 1291 1045 1080 898 1600* 1990 1609 1614 1352 1358 1180 1144 954 1800* - 1735 - 1433 - 1234 - 1008 2000* - 1816 - 1500 - 1305 - 1054 76/132 240 655 507 592 461 525 410 482 381 300 748 585 672 530 593 463 545 429 400 862 676 769 608 675 530 612 487 500 995 782 879 701 767 602 685 550 630 1145 908 997 807 962 689 766 621 800 1305 1048 1125 930 964 778 845 700 1000 1456 1190 1237 1038 1053 865 911 771 800* 1356 - 1170 - 1002 - 877 - 1000* 1542 - 1310 - 1115 - 965 - 1200* 1685 1348 1415 1162 1190 930 1026 853 1400* 1830 1470 1486 1260 1272 1031 1085 910 1600* 1952 1585 1601 1348 1335 1095 1127 960 1800* - 1740 - 1425 - 1147 - 994 2000* - 1783 - 1491 - 1200 - 1040 127/220 400 849 663 761 600 708 554 607 482 500 976 777 866 693 809 636 679 549 630 1128 891 984   915 728 761 615 800 1285 1027 1110 910 1025 825 835 690 1000 1440 1170 1221 1020 1133 920 902 765 800* 1335 - 1153 - 1067 - 867 - 1000* 1525 - 1293 - 1200 - 955 - 1200* 1677 1331 1394 1145 1296 1030 1010 843 1400* 1829 1453 1496 1238 1397 1118 1067 900 1600* 1965 1572 1584 1322 1484 1195 1113 950 1800* - 1708 - 1405 - 1271 - 984 2000* - 1787 - 1470 - 13330 - 1030 Correction factors of current-carrying capacity under different ambient temperatures Ambient temperature 0 5 10 15 20 25 30 35 40 Correction In air 1.34 1.3 1.27 1.22 1.18 1.14 1.10 1.05 1.00 In soil 1.18 1.14 1.11 1.07 1.04 1.00 0.96 0.92 0.88 Correction factors of current-carrying capacity under different soil temperature resistance coefficient Soil temperature resistance coefficient ℃ .m/w 0.8 1.0 1.2 1.5 1.8 2.0 2.5 3.0 Correction factors of current-carrying capacity 1.07 1.06 1 0.92 0.86 0.83 0.75 0.70 Specifications shall be determined according to the following laying condictions: 1.Single loop,central distance between phases and operation temperature of conductor 90℃. 2.Metal screened grounding method:Single-end grounded or central cross interconnected two ends grounded. 3.In air:Temperature 40℃,without direct sunlight;directly buried;soil temperature 25℃,soil temperature resistance coefficient 1.2℃,m/w,deeply buried 1m. 4.Short circuit current shall be calculated at 1EC949(under adiabactic condition),short circuit start temperature:conductor 90℃,metal jacket 80℃ and short circuit temperature 250 ℃.