导线电阻电抗计算表及基准值表+允许电流

LGJ 型(钢芯铝绞线)架空线路的电阻及感抗导线 型号 Dcp 电阻 35 50 70 95 120 150 185 240 300 400 0.85 0.65 0.45 0.33 0.27 0.21 0.17 0.132 0.107 0.08 .366 .353 .343 .334 .326 .319 .385 .374 .364 .353 .347 .340 .403 .392 .382 .371 .365 .358 .417 .406 .396 .385 .379 .372 .365 .357 .429 .418 .408 .397 .391 .384 .377 .369 1.0 1.5 2.0 2.5 3.0 3.5 感 .438 .427 .417 .406 .400 .398 .386 .378 .446 .435 .425 .414 .408 .401 .394 .386 .433 .422 .416 .409 .402 .394 .440 .429 .423 .416 .409 .401 .446 .435 .429 .422 .415 .407 .399 .391 .440 .433 .426 .419 .412 .405 .397 .445 .438 .432 .425 .416 .410 .402 .438 .430 .421 .414 .4062

4.0

4.5

5.0

5.5

6.0 抗

6.5

7.0

7.5

8.0

8.5

.435 .425 .418 .410 .429 .422 .414 .425 .425

备注：Dcp 几何均距，单位为(m);电阻及感抗单位为(Ω/kM);导线型号中截面积单位为 mm

不同电压等级的基准值编号 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 电压等级 kV 500 330 220 154 110 60 35 20 18 15 13 10 6 3 0.4 基准值 525.00 330.00 220.00 154.00 110.00 63.00 37.00 20.00 18.00 15.75 13.80 10.50 6.30 3.15 0.38 基准电流 A 109.97 174.96 262.43 374.90 524.88 916.43 1560.45 2886.75 3207.50 3665.72 4183.70 5498.74 9164.56 18328.58 151934.28 基准阻抗Ω 备注 2756.2500 SB=100MVA 1089.0000

( 当 SB=1000MVA → 100MVA 时，程序基准 484.0000 电流增大 10 倍，基准 237.1600 阻抗缩小 10 倍)121.0000 39.6900 13.6900 4.0000 3.2400 2.4806 1.9044 1.1025 0.3969 0.0992 0.0014

常数1.6对应35 kV线路；1.4对应10kV线路