AS/NZS 3008.1.2:2017
Table 30, 34, 35
Reactance at 50 Hz and a.c. resistance at 50 Hz
The voltage drop, voltage rise, loop impedance and cable size tools read conductor resistance and reactance at the operating temperature from this data. The loop power budget reads the conductor resistance.
已核验:对照印刷版标准阅读,页码 98, 102–103。检查于 24 Sept 2026。
单位:R ohm/km, X ohm/km
这些是 AmpSize 所编码的数值。不转载标准原文。请依据现行标准核对。
20 行
| Size | R pvc 75 | R xlpe 90 | R al pvc 75 | R al xlpe 90 | X (ohm/km) | X multicore pvc | X multicore xlpe | X single core trefoil pvc | X single core trefoil xlpe | X single core flat pvc | X single core flat xlpe |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 25.8 | 27 | — | — | 0.119 | 0.119 | 0.114 | 0.168 | 0.166 | 0.184 | 0.181 |
| 1.5 | 16.5 | 17.3 | — | — | 0.111 | 0.111 | 0.107 | 0.157 | 0.155 | 0.172 | 0.17 |
| 2.5 | 9.01 | 9.45 | — | — | 0.102 | 0.102 | 0.0988 | 0.143 | 0.141 | 0.159 | 0.156 |
| 4 | 5.61 | 5.88 | — | — | 0.102 | 0.102 | 0.093 | 0.137 | 0.131 | 0.152 | 0.146 |
| 6 | 3.75 | 3.93 | — | — | 0.0967 | 0.0967 | 0.0887 | 0.128 | 0.123 | 0.143 | 0.138 |
| 10 | 2.23 | 2.33 | — | — | 0.0906 | 0.0906 | 0.084 | 0.118 | 0.114 | 0.134 | 0.129 |
| 16 | 1.4 | 1.47 | 2.33 | 2.45 | 0.0861 | 0.0861 | 0.0805 | 0.111 | 0.106 | 0.126 | 0.122 |
| 25 | 0.884 | 0.927 | 1.47 | 1.54 | 0.0853 | 0.0853 | 0.0808 | 0.106 | 0.102 | 0.121 | 0.118 |
| 35 | 0.638 | 0.668 | 1.06 | 1.11 | 0.0826 | 0.0826 | 0.0786 | 0.101 | 0.0982 | 0.117 | 0.113 |
| 50 | 0.471 | 0.494 | 0.783 | 0.822 | 0.0797 | 0.0797 | 0.0751 | 0.0962 | 0.0924 | 0.111 | 0.108 |
| 70 | 0.327 | 0.342 | 0.542 | 0.568 | 0.077 | 0.077 | 0.0741 | 0.0917 | 0.0893 | 0.107 | 0.104 |
| 95 | 0.236 | 0.247 | 0.392 | 0.411 | 0.0766 | 0.0766 | 0.0725 | 0.0904 | 0.0868 | 0.106 | 0.102 |
| 120 | 0.188 | 0.197 | 0.31 | 0.325 | 0.0743 | 0.0743 | 0.0713 | 0.087 | 0.0844 | 0.102 | 0.0996 |
| 150 | 0.153 | 0.16 | 0.253 | 0.265 | 0.0745 | 0.0745 | 0.0718 | 0.0868 | 0.0844 | 0.102 | 0.0996 |
| 185 | 0.123 | 0.129 | 0.202 | 0.212 | 0.0744 | 0.0744 | 0.072 | 0.0862 | 0.0835 | 0.101 | 0.0988 |
| 240 | 0.0948 | 0.0991 | 0.155 | 0.162 | 0.0735 | 0.0735 | 0.0709 | 0.0847 | 0.0818 | 0.0999 | 0.097 |
| 300 | 0.077 | 0.0803 | 0.125 | 0.13 | 0.0732 | 0.0732 | 0.0704 | 0.0839 | 0.0809 | 0.0991 | 0.0961 |
| 400 | 0.062 | 0.0646 | 0.0981 | 0.103 | 0.0728 | 0.0728 | 0.0702 | 0.0829 | 0.0802 | 0.0982 | 0.0955 |
| 500 | 0.0506 | 0.0525 | 0.0779 | 0.0813 | 0.0723 | 0.0723 | 0.07 | 0.082 | 0.0796 | 0.0973 | 0.0948 |
| 630 | 0.0418 | 0.0432 | 0.0623 | 0.0649 | — | — | — | 0.08 | 0.0787 | 0.0952 | 0.094 |
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