1、標稱面積mE線芯結構on/mm絕緣厚度mm最大外徑mm正25C空氣敷 設載流量A成品近似重量 kg/km0.51*0.80.62.413.08.30.751*0.970.62.617.010.90.757*0.370.62.817.011.71.01*1.130.62.820.013.61.07*0.430.63.020.014.71.51*1.380.73.325.019.91.57*0.520.73.525.021.02.51*1.780.83.934.031.42.57*0.680.84.234.033.14.01*2.250.84.444.546.34.07*0.850.84.844.

2、549.06.01.2.760.84.958.066.06.07*1.040.85.458.069.410.07*1.351.07.079.5116.016.07*1.701.08.0111.0175.0257*2.141.210.0146.0275.0357*2.521.211.5180.0372.05019*1.781.413.0225.0496.07019*2.141.415.0280.0701.09519*2.521.517.5344.0969.012037*2.031.619.0397.5#15037*2.251.821.0455.5#18537*2.522.023.5519.0#2

3、4061*2.252.226.0#30061*2.522.429.5#40061*2.852.633.0#BVR型銅芯聚氯乙烯絕緣軟電線（電纜）標稱面 積m m2線芯結構on/mm絕緣厚度mm最大外徑mm正25 C空氣敷設載流量A成品近似 重量 kg/km33.02.519*0.410.84.234.04.019*0.520.84.844.549.06.019*0.640.85.658.071.010.049*0.521.07.679.2125.516.049*0.641.08.8111.0181.025.098*0.581.211.0146.0302.035.0133*0.581.212.5

4、180.0395.050.0133*0.681.414.5225.0544.070.0189*0.681.416.0280.0728.0表 室內BV絕緣線穿鋼管敷設時的安全載流量及鋼管(SC)管徑(mm)對照表截面二根三根四根mm225 C30 C35 C40 CSC25 C30 C35 C40 CSC25 C30 C35 C40CSC1.014131211151312111015111098151.51917161515171514131516141312152.52624222015242220181522201917154.03532302715312826241528262422156

5、.04743403715413835321537343229201065605651205753494520504643392516827670642573686357256560565125251071009284259588827532857973673235133124116105321151079990321059890833250165154142130321461361261154013012111210250702051911771625018317115814450165154142130509525023321619750225210194177502001871731587

6、0120290271250229502602432242055023021519818170150330308285261703002802592377026524722920970185380355328300703403172942687030028025923780表塑料絕緣電線空氣中敷設長期負載下的載流量(電線型號為BLV、BV、BVR、RVB、RVS、RFB、RFS,線芯允許溫度為+65C)標稱截面mm2鋁芯(A)銅芯(A)標稱截面mm2鋁芯(A)銅芯(A)0.471062850.5916851100.611201001300.714251101500.817351401801152

7、0501752301.519257022529022229952703502.5263412033043032836150380500434451854505805385024054071064457300630820854704007701000表35kV及以下電壓電纜在不同環(huán)境溫度下載流量的校正系數環(huán)境溫度/C空氣中土壤中3035404520253035線芯最高工作溫度/C601.21.111.00.861.071.00.930.85651.181.091.00.891.061.00.940.87701.151.081.00.911.051.00.940.88801.111.061.00.

8、931.041.00.950.90901.091.051.00.941.041.00.960.92表電纜直接埋地多根并列敷設時載流量的校正系數電纜間凈距/mm并列根數1234561001.00.90.850.80.780.752001.00.920.870.840.820.813001.00.930.900.870.860.85表不同土壤熱阻系數時電纜持續(xù)載流量的校正系數土壤熱阻系數/ (Cm/W)0.81.21.52.03.01.051.00.930.870.75表 各種電壓選用電纜截面積參考表電壓電纜截面積/mm2220/380V240 185 150 12010kV300 240 185 12035kV300 240 185 150按械強度選擇的方法1.架空導線截面不得小于下表要求。表架空導線截面按械強度選擇導線截面(mm2)銅線鋁線絕緣線裸線絕緣線鋁絞線鋼芯鋁絞線室外610102516接戶線必須用絕緣線，銅線用截面不小于4mm2，鋁線用截面不小于6mm2。2.固定敷設的導線最小線芯截面應符合下表的規(guī)定。表固定敷設的導線最小線芯截面敷設方式最小線芯截面mm2銅芯鋁芯裸導線