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1、附 录附录 架空线型号及参数1型号说明导线型号一般由二段组成：第一段为导线材料和特性的代号：T铜 L铝G钢 J绞线Q轻型 J强加型（位于第四字母）H合金 F防腐第二段为导线的标称截面。2架空线规格及安全电流附表1额定截面导 线 型 号TJLJLGJLGJQLGJJ计算外径安全电流计算外径安全电流计算外径安全电流计算外径安全电流计算外径安全电流42.262.7103.54.4165.041305.11055.4105256.331806.41356.6135357.472207.51708.4170508.912709.02159.62206010.47010.734010.726511.427
2、59512.4541512.432513.733512014.048514.037515.238015.515015.7557015.844017.044516.617.546418517.4364517.550019.051518.451019.654324019.8877020.061021.661021.661022.462930022.1989022.468024.270023.571025.271040025.62108525.983028.080027.284529.086550029.098030.296660032.2110033.1109070012503架空线路的电阻4温度
3、修正系数 当周围空气温度温度异于25度时，可乘以相应的电流修正系数，周围空气温度应取当地最热的月份平均最高温度。架空线路（裸导线）的电流安全校正系数与导线的最高允许温度有关，当导线最高允许温度为70度时，其电流修正系数可见附表3-3。附表2额定截面型 号TJLJLGJLGJQLGJJ20时的电阻 44.6563.06101.843.12161,201.982.04250.741.281.38350.540.920.85500.390.640.65600.32700.280.460.46950.200.340.331200.1580.270.270.271500.1230.210.210.210
4、.211850.1030.170.170.170.172400.0780.1320.1320.130.1313000.0620.1060.1070.1080.1054000.0470.0800.0800.0800.0785000.0630.0656000.0520.0557000.044附表3周围空气温度()-505101520253035404550修正系数1.291.241.201.151.111.051.000.940.880.810.740.675用铝导线敷设的架空线路的感抗和电阻附表4导线型号LJ16LJ25LJ35LJ50LJ70LJ95LJ120电阻1.961.270.910.6
5、30.450.330.27几何均距线路感抗0.60.3580.3450.3360.3250.3150.3030.2970.80.3770.3630.3520.3410.3310.3190.3131.00.3910.3770.3660.3550.3450.3340.3271.250.4050.3900.3800.3690.3590.3470.3411.50.4020.3910.3800.3700.3580.3522.00.4210.4100.3980.3880.3770.3716用铜导线敷设的架空线路的感抗和电阻附表5几何均距导线型号TJ-4TJ-6TJ-10TJ-16TJ-25TJ-35TJ-
6、50TJ-70TJ-95TJ-120TJ-150电阻4.653.061.841.200.740.540.390.280.200.150.123线路感抗0.40.3850.3710.3550.3330.3190.3080.2970.60.4110.3970.3810.3580.3450.3360.3250.3090.3000.80.4290.4150.3990.3770.3630.3520.3410.3270.3181.00.4290.4130.3910.3770.3660.3550.3410.3321.250.4270.4050.3910.3800.3690.3550.3461.500.416
7、0.4020.3910.3800.3660.3572.00.4350.4210.4100.3080.3850.3760.3682.50.4350.4240.4170.3990.3900.3823.00.4350.4230.4100.4010.3933.50.4450.4330.4200.4110.4034.00.4280.4190.4110.4064.50.4350.4260.4180.4135.00.4420.4330.4250.4205.50.4310.4266.00.4370.4327用钢芯铝线敷设的架空线路的感抗和电阻附表6几何均距导线型号LGJ-35LGJ-电阻0.910.630.4
8、50.330.270.210.170.13?0.1050.0780.1050.078线路感抗2.00.4030.3920.3820.3710.3650.3582.50.4170.4060.3960.3850.3790.3723.00.4290.4180.4080.3970.3910.3840.377?3.50.4380.4270.4170.4060.4000.3980.386?4.00.4460.4350.4250.4140.4080.4010.394?4.50.4330.4220.4160.4090.402?5.00.4400.4290.4230.4160.409?5.50.4290.422
9、0.415?6.00.4350.4250.4200.4130.4040.3960.4020.3926.50.4320.4250.4200.4090.4000.4070.3987.00.4380.4300.4210.4140.4060.4120.4037.50.4350.4230.4180.4090.4170.4088.00.4320.4220.4140.4210.4128.50.4250.4180.4240.4168用铜导线敷设的架空线路的电纳附表7导线型号TJ70TJ95TJ120TJ150几何均距线 路 电 纳 3.02.762.832.892.953.52.692.762.822.834.02.642.712.762.804.52.592.612.692.765.02.552.602.652.715.52.622.636.02.532.549用钢芯铝线敷设的架空线路的电纳附表8导线型号LGJ-70LGJ-95LGJ-120LGJ-150LGJ-185LGJ-240LGJ-300LGJ-400LGJJ-300LGJJ-400几何均距线 路 导 纳 3.02.792.872.922.9
