常用电缆电缆载流量表.doc

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1、1.表8-24BVVB型、BLVVB型、RVVB型电线载流量型号截面/mm2参考外径/mm20°时最大单位长度直流电阻/(欧/km)70°时最小单位长度绝缘电阻/M欧km)25°C空气敷设载流量/A成品参考质量/(kg/km)BVVB型铜芯2x0.754.6x7.024.50.01213422x1.04.8x7.418.10.01116492x1.55.4x8.412.10.01120652x2.56.2x9.87.410.01027972x4.06.8x11.04.610.0085381302x4.07.2x11.54.610.0080381402x6.0

2、7.4x12.03.080.0070501792x6.08.0x13.03.080.0065501922x109.6x16.01.830.0065693063x0.754.6x9.424.50.0129.5603x1.04.8x9.818.10.01111703x1.55.4x11.512.10.01113953x2.56.2x13.57.410.0010211423x4.07.0x15.04.610.0085271983x4.07.4x16.24.610.0080272133x6.07.4x17.03.080.0070342653x6.08.0x183.0

3、80.0065342843x109.6x22.51.830.006555457BLVVB型铝芯2x2.56.2x9.811.80.01021662x4.06.8x11.07.390.008527822x6.07.4x12.04.910.0070351052x109.6x16.03.080.0065541793x2.56.2x13.511.80.001017952x4.07.0x157.390.0085231243x6.07.4x174.910.0070271543x107.6x22.53.080.006542265RVVB型铜芯2x0.53.8x6.039.

4、00.01210282x0.753.9x6.426.00.01013352x0.755.0x7.626.00.01113441.0.6、1KV聚氯乙烯绝缘电力电缆的载流量铠装VV22、VLV22型电力电缆载流量载流量计算条件1.线芯长期工作温度:70。；2.环境温度：25°；3.埋地深度：1000mm；4.土壤热阻系数:1.0m.°C/W；5.线芯轴间距离:S=2D型号及芯数标称截面积/mm2参考外径/mm载流量推荐值/A成品参考质量/(KG/Km)空气中敷设埋地敷设铜芯铝芯铜芯铝芯铜芯铝芯VV22、VLV22单芯1013765997753142501614

5、10178127993892872515.71321031661295273663516.91611252021566484265018.71911482401868135117020.524218730223210506129522.7298231361280137176512024.4347270415323163887315026.43953065083621959101918528.74593565304122395121524031.95544296234833333178330036.26374937085484091214540039.7750

6、582814632497225735008436558626706309787651001776VV22、VLV22双芯2x4.016.3342741333883382x6.017.3433453424543792x1020.0584570545894592x1622.0776092717485432x2525.5104811229510297042x3527.812910014911612768252x5026.514611317113314878712x7030.3188144214165217813152x9534.223718426720728001

7、6262x12036.5274213306238336518692x15040.0316245346268405922092x18543.836828639430649842610VV22、VLV223芯3x4.017.0292336284503753x6.018.1372945365384253x1020.8503860467455513x1623.1665179619836753x2526.990701058213448573x3529.31118612799170210253x5031.2129100148115234414243x7034.41651

8、27185142301717253x9538.620