导线安全载流量.doc

导线安全载流量
一、长方形截面母线（环境温度：35℃；线温：70℃）规格铜铝规格铜铝一片两片三片一片两片三片一片两片三片一片两片三片25×330023560×1013002250290010151770233030×335527080×613001860239010101430185030×442032080×814902300297011601800231040×455042080×1016702730315013002120273040×5615475100×615902170279012501700220050×5755585100×818302690346014302100268050×6840650100×1020303180409016002520320060×5900710120×821102990382016702390297060×69901530197076511901510120×1023303610458018202820361060×811601900246090014801480校正系数环温152025303540455055系数1.251.21.131.0710.930.850.760.66二、单芯导线（环境温度：25℃；线芯：65℃；线表面：～60℃）规格型号YJV型三芯规格RV、RVV、RVB、RVS、BVV、BLVVBVBVRBXBXRBLVBLX单芯两芯三芯铜铝铜铝铜铝0.7516180.125431.019210.275.541.524271819220.39752.532352527290.4118.56442453235380.512.59.57655584245490.751612.591075855565661191511161051108085871.5241912251381451051101192282217351701801301381462.53225262020165021523016517517944234362626227026028520522022765543473332259532534525026528010755965515240120375400285310325150430470325360373四芯电缆中性线截面185490540380420432标称截面（mm2）240660510517相线零线相线零线相线零线相线零线30077060042.5251095352407040094073064351012035300705001100850106501615050400956301250980166702518550500120三、导线穿管规格两芯三芯四芯两芯三芯四芯铜铝铜铝铜铝铜铝铜铝铜铝BX、BLX穿塑料管BX、BLX穿金属管11312111514121.51714161214112015181417112.5251922172015282125192316433253023262037283325302364333382934264937433439301059445240463568526046534016765868526046866677596952251007790688060113861007690683512595110849874140106122941108350160120140108123951751331541181371057019515317513515512021516519315017313395240184215165195150260200235180210160120278210250190227170300230270210245190150320250290227265205340260310240280220185360282330255300232385295355270320250YJV型绝缘导线线芯工作温度可达到95℃，因此其安全载流量也要高于普通的BV导线。其安全载流量，通常可按大一个规格的导线安全载流量来参考选取。规格两芯三芯四芯两芯三芯四芯铜铝铜铝铜铝铜铝铜铝铜铝BV、BLV穿塑料管BV、BLV穿金属管11211101413111.516131511.513101915171316122.5241821161914262024182215431242822251935273124282264131362732254735413237281056424938443365495744503816725565495744826373566550259573856575571078095708565351209010580937013310011590