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.
تم التحقق: مقروء مقابل المعيار المطبوع، الصفحات 98, 102–103. تم التحقق في 24 Sept 2026.
الوحدات: R ohm/km, X ohm/km
هذه هي القيم التي ترمّزها AmpSize. لا يُعاد إنتاج أي نص من المعيار. تحقق من المعيار الحالي.
20 صفوف
| 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 |
الأدوات التي تقرؤها (10)
الأدلة وصفحات التعلّم التي تستشهد به (12)
- Lighting circuit loop impedance, B curve 10 A
- Voltage drop single phase vs three phase
- Submain voltage drop estimate for a 160 A tender
- Max cable length for a 20 A C curve subcircuit
- 24 V DC voltage drop on an instrument loop
- Fault level at a sub‑board, 300 kVA transformer
- Off-grid battery bank autonomy at 48 V
- AS/NZS 3000 Table 8.1: max Zs by curve and rating
- Voltage rise for a 5 kW solar inverter cable
- Voltage drop with the mV/A·m method
- Voltage drop basics
- Prospective fault current at a board