《2022年钢芯铝绞线长期允许的载流量 .pdf》由会员分享，可在线阅读，更多相关《2022年钢芯铝绞线长期允许的载流量 .pdf（5页珍藏版）》请在taowenge.com淘文阁网|工程机械CAD图纸|机械工程制图|CAD装配图下载|SolidWorks_CaTia_CAD_UG_PROE_设计图分享下载上搜索。
1、.可编辑钢芯铝绞线长期允许的载流量标称截面积（）计算载流量（A）标称截面积计算载流量（A）70 80 90（）70 80 9010/216/325/435/66685111134781001311588711314918050/850/3016116619119521821870/1070/4019419623223026625795/1595/2095/55252233230306277270351319301120/7120/20120/25120/70287285265258350348315301401399365335150/8150/20150/25150/353233263313
2、31395400407407454461469469185/10185/25185/30185/45372379373379458468460469528540531541210/10210/25210/35210/50397405409409490501507507565579586586240/30240/40240/55445440445552546554639633641300/15300/20300/25300/40300/50300/70495502505503504512615624628628629641711722726728730745400/20400/25400/354
3、00/50400/65400/95595584583592597608746730729741752767864845844857876895500/35500/45500/65670664676842834850977967983630/45630/55630/80763775774964979977112011361131800/55800/70800/1008878848781126112111131310130112881400/100127215631808注 1：最高允许温度分+70、+80、+90 三种。注 2：环境温度+40，日照1000W/m2，风速 0.5m/s 辐射散热系
4、数与吸热系数为0.9 条件计算的。名师资料总结-精品资料欢迎下载-名师精心整理-第 1 页，共 5 页 -.可编辑裸导体载流量在不同海拔高度及环境温度下的综合校正系数导体最高允许温度（）适应范围海拔高度（）实际环境温度（）2025303540455070屋内矩形、槽形、管形导体和不计日照的屋外软导线1.051.000.940.880.810.740.6780计及日照时屋外软导线1000 及以下1.051.000.950.890.830.760.6920001.010.960.910.850.7930000.970.920.870.810.7540000.930.890.840.770.71计及
5、日照时屋外管形导体1000 及以下1.051.000.940.870.800.720.6320001.000.940.880.810.7430000.950.900.840.760.6940000.910.860.800.720.65导线经济电流密度表单位:A/mm2导线材料最大负荷年利用小时3000以下300050005000以上铝线铜线1.11.22.42.51.01.12.32.40.91.02.22.3用经济电流密度选择导线截面的公式是：式中S导线截面 mm2 P送电负荷kWUH线路额定电压kVcos?功率因数j经济电流密度 Amm2 名师资料总结-精品资料欢迎下载-名师精心整理-第
6、2 页，共 5 页 -.可编辑1 型号及规格标称截面 mm2 结构 根数/直径n/mm 计算截面（mm2）外径mm 直流电阻不大于D.C.欧km)计算拉断力 KN kg/km 交货长度不小于铝钢铝钢总计10/2 6/1.50 1/1.50 10.6 1.77 12.37 4.50 2.706 4.12 42.9 3000 16/3 6/1.85 1/1.85 16.3 2.69 18.82 5.55 1.779 6.13 65.2 3000 25/4 6/2.32 1/2.32 25.36 4.23 29.59 6.96 1.131 9.29 102.6 3000 35/6 6/2.72 1/
7、2.72 34.86 5.81 40.67 8.16 0.8230 12.63 141.0 3000 50/8 6/3.20 1/3.20 48.25 8.04 56.29 9.60 0.5946 16.87 195.1 2000 50/30 12/2.32 7/2.32 50.73 29.59 80.32 11.60 0.5692 42.62 372.0 3000 70/10 6/3.80 1/3.80 68.05 11.34 79.39 11.40 0.4217 23.39 275.2 2000 70/40 12/2.72 7/2.72 69.73 40.67 110.40 13.60 0
8、.4141 58.30 511.3 2000 95/15 26/2.15 7/1.67 94.39 15.33 109.72 13.61 0.3058 35.00 380.8 2000 95/20 7/4.16 7/1.85 95.14 18.82 113.96 13.87 0.3019 37.20 408.9 2000 95/55 12/3.20 7/3.20 96.51 56.30 152.81 16.00 0.2992 78.11 707.7 2000 120/7 18/2.90 1/2.90 118.89 6.61 125.50 14.50 0.2422 27.57 379.0 200
9、0 120/20 26/2.38 7/1.85 115.67 18.82 134.49 15.07 0.2496 41.00 466.8 2000 120/25 7/4.72 7/2.10 122.48 24.25 146.73 15.74 0.2345 47.88 526.6 2000 120/70 12/3.60 7/3.60 122.15 71.25 193.40 18.00 0.2364 98.37 895.6 2000 150/8 18/3.20 1/3.20 144.76 8.04 152.80 16.00 0.1989 32.86 461.4 2000 150/20 24/2.7
10、8 7/1.85 145.68 18.82 164.50 16.67 0.1980 46.63 549.4 2000 150/25 26/2.70 1/2.10 148.86 24.25 173.11 17.10 0.1939 54.11 601.0 2000 150/35 30/2.50 7/2.50 147.26 34.36 181.62 17.50 0.1962 65.02 676.2 2000 185/10 18/3.60 1/3.60 183.22 10.18 193.40 18.00 0.1572 40.88 584.0 2000 185/25 24/3.15 7/2.10 187
11、.04 24.25 211.29 18.90 0.1542 59.42 706.1 2000 185/30 26/2.98 7/2.32 181.34 29.59 210.93 18.88 0.1592 64.32 732.6 2000 185/45 30/2.80 7/2.80 184.73 43.10 227.83 19.60 0.1564 80.19 848.2 2000 210/10 18/3.80 1/3.80 204.14 11.34 215.48 19.00 0.1411 45.14 650.7 2000 210/25 24/3.33 7/2.22 209.02 27.10 23
12、6.12 19.98 0.1380 65.99 789.1 2000 210/35 26/3.22 7/2.50 211.73 34.36 246.09 20.38 0.1363 74.25 853.9 2000 210/50 30/2.98 7/2.98 209.24 48.82 258.06 20.86 0.1381 90.83 960.8 2000 240/30 24/3.60 7/2.40 244.29 31.67 275.96 21.60 0.1181 75.62 922.2 2000 240/40 36/3.42 7/2.66 238.85 38.90 277.75 21.66 0
13、.1209 83.37 964.3 2000 240/55 30/3.20 7/3.20 241.27 56.30 297.57 22.40 0.1198 102.10 1108 2000 300/15 42/3.00 7/1.67 296.88 15.33 312.21 23.01 0.09724 68.06 939.8 2000 名师资料总结-精品资料欢迎下载-名师精心整理-第 3 页，共 5 页 -.可编辑300/20 45/2.93 7/1.95 303.42 20.91 324.33 23.43 0.09520 75.68 1002 2000 300/25 48/2.85 7/2.2
14、2 306.21 27.10 333.31 23.76 0.09433 83.41 1058 2000 300/40 24/3.99 7/2.66 300.09 38.90 338.99 23.94 0.09614 92.22 1133 2000 300/50 26/3.83 7/2.98 299.54 48.82 348.36 24.26 0.09636 103.40 1201 2000 300/70 30/3.60 7/3.60 305.36 71.25 376.61 25.20 0.09463 128.00 1402 2000 400/20 42/3.51 7/1.95 406.40 2
15、0.91 427.31 26.91 0.07104 88.85 1286 1500 400/25 45/3.33 7/2.22 391.91 27.10 419.01 26.64 0.07370 95.94 1295 1500 400/35 48/3.22 7/2.50 390.88 34.36 425.24 26.82 0.07389 103.90 1349 1500 400/50 54/3.07 7/3.07 399.73 51.82 451.55 27.63 0.07232 123.40 1511 1500 400/65 26/4.42 7/3.44 398.94 65.06 464.0
16、0 28.00 0.07236 135.20 1611 1500 400/95 30/4.16 19/2.50 407.75 93.27 501.02 29.14 0.07087 171.30 1860 1500 500/35 45/3.75 7/2.50 497.01 34.36 531.37 30.00 0.05812 119.50 1642 1500 500/45 48/3.60 7/2.80 488.58 43.10 531.68 30.00 0.05912 128.10 1688 1500 500/65 54/3.44 7/3.44 501.88 65.06 566.94 30.96
17、 0.05760 154.00 1897 1500 630/45 45/4.20 7/2.80 623.45 43.10 666.55 33.60 0.04633 148.70 2060 1200 630/55 48/4.12 7/3.20 639.92 56.30 696.22 34.32 0.04514 164.40 2209 1200 630/80 54/3.87 19/2.32 635.19 80.32 715.51 34.82 0.04551 192.90 2388 1200 800/55 45/4.80 7/3.20 814.30 56.30 870.60 38.40 0.0354
18、7 191.50 2690 1000 800/70 48/4.63 7/3.60 808.15 71.25 879.40 38.58 0.03574 207.00 2791 1000 800/100 54/4.33 19/2.60 795.17 100.88 896.05 38.98 0.03635 241.10 2991 1000 2 钢芯铝绞线的物理参数及载流量标称截面积/mm2(铝/钢)弹性模量/GPa 线胀系数/10-6C-1 计算载流量/70809010/2 79.0 19.0 66 78 87 16/3 79.0 19.1 85 100 113 25/4 79.0 19.1 111
19、 131 149 35/6 79.0 19.1 134 158 180 50/8 79.0 19.1 161 191 218 50/30 105.0 15.3 166 195 218 70/10 79.0 19.1 194 232 266 70/40 105.0 15.3 196 230 257 95/15 76.0 18.9 252 306 351 95/20 76.0 18.5 233 277 319 95/55 105.0 15.3 230 270 301 120/7 66.0 21.2 287 350 401 120/20 76.0 18.9 285 348 399 120/25 76
20、.0 18.5 265 315 365 120/70 105.0 15.3 258 301 335 150/8 66.0 21.2 323 395 454 150/20 73.0 19.6 326 400 461 150/25 76.0 18.9 331 407 469 名师资料总结-精品资料欢迎下载-名师精心整理-第 4 页，共 5 页 -.可编辑150/35 80.0 17.8 331 407 469 185/10 66.0 21.2 372 458 528 185/25 73.0 19.6 379 468 540 185/30 76.0 18.9 373 460 531 185/45 8
21、0.0 17.8 379 469 541 210/10 66.0 21.2 397 490 565 210/25 73.0 19.6 405 501 579 210/35 76.0 18.9 409 507 586 210/50 80.0 17.8 409 507 586 240/30 73.0 19.6 445 552 639 240/40 76.0 18.9 440 546 633 240/55 80.0 17.8 445 554 641 300/15 61.0 21.4 495 615 711 300/20 63.0 20.9 502 624 722 300/25 65.0 20.5 5
22、05 628 726 300/40 73.0 19.6 503 628 728 300/50 76.0 18.9 504 629 730 300/70 80.0 17.8 512 641 745 400/20 61.0 21.4 595 746 864 400/25 63.0 20.9 584 730 845 400/35 65.0 20.5 583 729 844 400/50 69.0 19.3 592 741 857 400/65 76.0 18.9 597 752 876 400/95 80.0 17.8 608 767 895 500/35 63.0 20.9 670 842 977 500/45 65.0 20.5 664 834 967 500/65 69.0 19.3 667 850 983 630/45 63.0 20.9 763 964 1120 630/55 65.0 20.5 775 979 1136 630/80 67.0 19.4 774 977 1131 800/55 63.0 20.9 887 1126 1310 800/70 65.0 20.5 884 1121 1301 800/100 67.0 19.4 878 1113 1288 名师资料总结-精品资料欢迎下载-名师精心整理-第 5 页，共 5 页 -