常用电力线路阻抗表

1、附录A架空线路每千米的电抗、电阻值导线型号6kV10kV35kV110kV220kVx ( Q)r( Q)x ( Q)r( Q)x ( Q)r( Q)x ( Q)r( Q)单导线双分裂x ( Q)r( Q)x ( Q)r( Q)LJ-160.4041.960.4041.96LJ-250.3901.270.3901.27LGJ、LJ-350.3800.910.3800.910.4240.91LGJ、LJ-500.3680.630.3680.630.4120.630.4420.63LGJ、LJ-700.3580.450.3580.450.4020.450.4320.45LGJ、LJ-950.342

2、0.330.3420.330.3860.330.4160.33LGJ、LJ-1200.3350.270.3350.270.3790.270.4090.27LGJ-1500.3730.210.4030.21LGJ-1850.3650.170.3950.170.4400.1700.3150.085LGJ-2400.3580.130.3880.130.3420.1320.3100.066LGJQ-3000.3820.110.4270.1070.3080.054LGJQ-4000.3730.080.4170.0800.3030.040LGJQ-5000.4110.0650.3000.033LGJQ-6

3、000.4050.0550.2970.028LGJQ-7000.3980.0440.2940.022附录B三芯电力电缆每千米的电抗、电阻值芯线截面(mm 2)6kV10kV35kVx ( Q)r(铝芯)(Q)r(铜芯)(Q)x ( Q)r(铝芯)(Q)r(铜芯)(Q)x ( Q)r(铝芯)(Q)r(铜芯)(Q)250.0851.2800.7400.0941.2800.740350.0790.9200.5400.0880.9200.540500.0760.6400.3900.0820.6400.390700.0720.4600.2800.0790.4600.2800.1320.4600.2809

4、50.0690.3400.2000.0760.3400.2000.1260.3400.2001200.0690.2700.1580.0760.2700.1580.1190.2700.1581500.0660.2100.1230.0720.2100.1230.1160.2100.1231850.0660.1700.1030.0690.1700.1030.1130.1700.103注 I.IIOkV 高压电缆的平均电抗：X=0.18 Q/km2.表中所列为正序电抗Xi,负序电抗X2= X 1,零序电抗Xo= 3.5X 1附录C各电压等级基准值表表C.1基准容量Sb=1000MVA 时的基准值表Ub

5、(kV)0.46.310.537115230Ib (kA)144091.65515.65.022.51Zb (n)0.000160.03970.11031.36913.2352.9表C.2基准容量Sb=100MVA 时的基准值表Ub0.46.310.537115230(kV)lb (kA)1449.165.51.560.5020.251Zb (n)0.00160.3971.102513.69132.25529附录D常用电缆载流量序号导线型号中试所实验值载流量建议值(A)载流量原标准值(A)1YJLV22-351001232YJLV22-501151413YJLV22-701401734YJLV22-951702145YJLV22-1201952466YJLV22-1502202782553203003733404284005017 YJLV22-1858 YJLV22-2409 YJLV22-30010 YJ