电流密度的计算

复合漆包线电流负载 铜心截面 积 mm2 0.001 0.001 0.002 0.003 0.004 0.005 0.006 0.008 0.010 0.011 0.013 0.015 0.018 0.020 0.023 0.025 0.028 0.031 0.035 0.042 0.049 0.057 0.062 0.066 0.075 0.086 0.096 0.113 0.132 0.152 0.173 0.189 0.204 0.221 0.238 0.255 0.273 0.302 0.322 0.353 0.374 0.407 0.884 1.571 2.454 3.534 4.810 6.283 7.952 9.817 11.879 14.137 16.591 19.242 22.089 25.132 28.372 31.808 35.440 39.269 43.294 51.933 61.357 71.567 76.967 82.563 94.343 106.909 120.261 141.760 165.027 190.061 216.862 235.711 255.345 275.765 296.970 318.960 341.736 377.373 402.112 440.694 467.396 508.923 电流密度A/mm2 1.25 1.5 1.060 1.885 2.945 4.241 5.773 7.540 9.542 11.781 14.255 16.964 19.909 23.090 26.506 30.158 34.046 38.169 42.528 47.123 51.953 62.320 73.629 85.881 92.360 99.075 113.212 128.291 144.313 170.112 198.032 228.073 260.234 282.853 306.414 330.918 356.364 382.753 410.084 452.847 482.534 528.832 560.876 610.708 1.75 1.237 2.199 3.436 4.948 6.735 8.796 11.133 13.744 16.630 19.791 23.227 26.938 30.924 35.185 39.720 44.531 49.616 54.976 60.611 72.706 85.900 100.194 107.753 115.588 132.080 149.673 168.365 198.464 231.038 266.085 303.606 329.995 357.483 386.071 415.758 446.545 478.431 528.322 562.957 616.971 654.355 712.492 2 1.414 2.513 3.927 5.655 7.697 10.053 12.723 15.708 19.006 22.619 26.546 30.787 35.342 40.211 45.395 50.892 56.704 62.830 69.270 83.093 98.172 114.508 123.147 132.100 150.949 171.055 192.417 226.816 264.043 304.097 346.979 377.137 408.552 441.224 475.152 510.337 546.778 603.796 643.379 705.110 747.834 814.277 载流量mA
一般线材电流密度的计算方法 单芯铜线按电流密度为4-10A/平方毫米计算 通电能力 单芯直径 横截面积 通电能力 A（按 mm 平方毫米 A（按4A） 10A） 0.4 0.13 0.50 1.26 0.5 0.6 0.7 0.8 1 1.2 1.5 0.20 0.28 0.38 0.50 0.79 1.13 1.77 0.79 1.13 1.54 2.01 3.14 4.52 7.07 1.96 2.83 3.85 5.02 7.85 11.30 17.66
1290.214 1396.947 1507.920 1623.135 1742.590 1908.461 2037.813 2171.405 2356.125
1505.250 1629.771 1759.240 1893.657 2033.022 2226.538 2377.448 2533.306 2748.813
752.625 814.885 879.620 946.828 1016.511 1113.269 1188.724 1266.653 1374.406
圆铜漆包线电流负载 铜心标称 最大外径 铜心截面 直径 积 mm 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.20 0.21 0.23 0.25 0.27 0.28 0.29 0.31 0.33 0.35 0.38 0.41 0.44 0.47 0.49 0.51 0.53 0.55 0.57 0.59 0.62 0.64 0.67 0.69 0.72 mm 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.20 0.21 0.23 0.24 0.26 0.28 0.31 0.33 0.35 0.37 0.39 0.41 0.44 0.46 0.49 0.52 0.54 0.56 0.58 0.60 0.62 0.64 0.67 0.69 0.72 0.74 0.78 mm2 0.001 0.001 0.002 0.003 0.004 0.005 0.006 0.008 0.010 0.011 0.013 0.015 0.018 0.020 0.023 0.025 0.028 0.031 0.035 0.042 0.049 0.057 0.062 0.066 0.075 0.086 0.096 0.113 0.132 0.152 0.173 0.189 0.204 0.221 0.238 0.255 0.273 0.302 0.322 0.353 0.374 0.407 1.767 3.142 4.909 7.068 9.621 12.566 15.904 19.634 23.758 28.274 33.182 38.483 44.177 50.264 56.743 63.615 70.880 78.538 86.588 103.866 122.715 143.135 153.934 165.125 188.686 213.818 240.521 283.520 330.054 380.122 433.723 471.421 510.690 551.530 593.940 637.921 683.473 754.745 804.224 881.387 934.793 1017.846 电流密度A/mm2 2.5 3 2.121 3.770 5.890 8.482 11.545 15.079 19.085 23.561 28.509 33.928 39.819 46.180 53.013 60.317 68.092 76.338 85.056 94.245 103.905 124.639 147.258 171.762 184.720 198.150 226.424 256.582 288.625 340.224 396.065 456.146 520.468 565.706 612.828 661.836 712.728 765.505 820.167 905.694 965.069 1057.665 1121.751 1221.415 3.5 载流量mA 2.474 4.398 6.872 9.896 13.469 17.592 22.265 27.488 33.261 39.583 46.455 53.877 61.848 70.370 79.441 89.062 99.232 109.953 121.223 145.412 171.801 200.388 215.507 231.175 264.161 299.346 336.730 396.929 462.075 532.170 607.213 659.990 714.966 772.141 831.516 893.089 956.862 1056.644 1125.914 1233.942 1308.710 1424.984 2.827 5.026 7.854 11.309 15.393 20.106 25.446 31.415 38.012 45.238 53.091 61.573 70.684 80.422 90.789 101.785 113.408 125.660 138.540 166.185 196.344 229.015 246.294 264.200 301.898 342.109 384.834 453.633 528.086 608.194 693.957 754.274 817.104 882.447 950.304 1020.673 1093.556 1207.593 1286.758 1410.219 1495.668 1628.554 4 铜心标 最大外 称直径 径 mm 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.20 0.21 0.23 0.25 0.27 0.28 0.29 0.31 0.33 0.35 0.38 0.41 0.44 0.47 0.49 0.51 0.53 0.55 0.57 0.59 0.62 0.64 0.67 0.69 0.72 mm 0.05 0.06 0.07 0.08 0.09 0.10 0.11 0.12 0.13 0.14 0.15 0.16 0.17 0.18 0.19 0.20 0.21 0.23 0.24 0.26 0.28 0.31 0.33 0.35 0.37 0.39 0.41 0.44 0.46 0.49 0.52 0.54 0.56 0.58 0.60 0.62 0.64 0.67 0.69 0.72 0.74 0.78
0.430 0.466 0.503 0.541 0.581 0.636 0.679 0.724 0.785
537.589 582.061 628.300 676.306 726.079 795.192 849.089 904.752 981.719
ຫໍສະໝຸດ Baidu
645.107 698.473 753.960 811.567 871.295 954.231 1018.906 1085.702 1178.063
复合漆包线
0.74 0.77 0.80 0.83 0.86 0.90 0.93 0.96 1.00
0.80 0.83 0.86 0.89 0.92 0.96 0.99 1.02 1.07
0.430 0.466 0.503 0.541 0.581 0.636 0.679 0.724 0.785
1075.178 1164.122 1256.600 1352.612 1452.158 1590.384 1698.177 1809.504 1963.438
1720.285 1862.595 2010.560 2164.179 2323.453 2544.615 2717.083 2895.206 3141.500
0.74 0.77 0.80 0.83 0.86 0.90 0.93 0.96 1.00
0.80 0.83 0.86 0.89 0.92 0.96 0.99 1.02 1.07