绝缘导线载流量计算表.docx

绝缘导线载流量计算表截面积mm2载流量(AL)A载流量(CU)A0.756.751011016.51.516.5302.530324324264260106080168010025100122.535122.51505015021070210237.595237.5300120300一般电气设备电气间隙和爬电距离CB*Z342-84,7.4.1-表9额定绝缘电压V电气间隙mm爬电距离DIm<250610251-500S14集控台元件最小电气间隙和爬电距离表GB/T11633-2000,3.2.4.1-表5额定电压V电气间隙mm爬电距离用m额定电流63A额定电流63A额定电流63A额定电流63A<603535>60-2505658>250-3806S810主配电板裸主汇流排电气间隙和爬电距离CB*Z342-84,6.9-表8极件间或相同额定电压V最小电气间隙mm最小爬电距离mm<2501520250-6602030>6602535导线、汇流排、紧固件酉已用表CB*Z342-84,电流A绝缘电线铜线线芯截面MM2铜汇流排截面MM2导电电路紧固用钢制螺钉或螺栓导电螺柱黄铜铜5-101M5M5151.5M5M5202.5M5M5254M5M630.40.50103*20.2*30.2.5*25M6M660.75.80163*20.2*30M6M8100253*20.2*30M8MlOM8120.150353*25.2.5*30M8M12MlO200503*25.2.5*30MlOM12250.3003*30MlOM124004*40Ml2M16500-6005*50Ml6M20750.8006*60M2010006*80M201200.15008*802000-30002*(8*80)接地导体、螺柱关系表CB*/Z342-84,2.5.2-表1电源线导体截面Smm2接地铜导体件最小截面Qmm2接地螺柱直径mmS<4Q=S但不小于L5M64<S<120Q=12S,但不小于4M8S>120Q=70MlO接头连接力矩表CB*Z89-88,5.2.3-表4麻花钻与丝攻配合关系表螺纹直径MM力矩值N*M螺纹直径MM力矩值N*M2,2.50.25-0.351018-2330.5-0.61231.5-39.541-1.31451-6152-2.51678-98644.918113-137.588.9-10.820157-196丝攻螺纹直径麻花钻直径M43.4M54.2M65M87