国标GB50217－94电缆与开关配合表及电压降计算

1、电压降计算表一（需知功率和距离）,YJV电缆 导体操作温度90C,电缆截面积（平方毫米）,单位长度电缆电阻r（/km),单位长度电缆电抗x（/km),额定电压（kV）,额定功率P（kW）,无功功率Q（Kvar),视在功率S(KVA),距离L（km）,功率因数cos,电压损失U25,1.6,0.27,0.38,50,37.5,62.5,0.2,0.8,12.4826869835,1.15,0.26,0.38,50,37.5,62.5,0.2,0.8,9.31440443250,0.86,0.26,0.38,50,37.5,62.5,0.2,0.8,7.30609418370,0.59,0.25,

2、0.38,50,37.5,62.5,0.2,0.8,5.3843490395,0.43,0.25,0.38,50,37.5,62.5,0.2,0.8,4.276315789120,0.34,0.24,0.38,50,37.5,62.5,0.2,0.8,3.601108033150,0.28,0.24,0.38,50,37.5,62.5,0.2,0.8,3.185595568185,0.22,0.24,0.38,50,37.5,62.5,0.2,0.8,2.770083102240,0.17,0.24,0.38,50,37.5,62.5,0.2,0.8,2.423822715300,0.135,

3、0.24,0.38,50,37.5,62.5,0.2,0.8,2.181440443400,0.11,0.24,0.38,50,37.5,62.5,0.2,0.8,2.008310249500,0.085,0.24,0.38,50,37.5,62.5,0.2,0.8,1.835180055630,0.068,0.23,0.38,270,202.5,337.5,0.12,0.8,5.396260388电缆截面积（平方毫米),单位电压损失mV/(A.m),额定功率（kW）,额定电压（kV）,额定电流（A）,功率因数cos,距离（km),电压损失U,2.5,16,0.38,10,0.8,0.1,4.

4、210526316,4,10,0.38,25,0.07,4.605263158,6,6.8,0.38,32,0.08,4.581052632,10,4,0.38,50,0.09,4.736842105,16,2.5,0.38,63,0.1,4.144736842,电压降计算表二（需知电流和距离）,电缆截面积（平方毫米）,单位长度电缆电阻r（/km),单位长度电缆电抗x（/km),额定电压（kV）,通过该电缆电流（A）,距离（km）,功率因数cos,sin,电压损失U,4,5.332,0.097,0.38,16,0.12,0.8,0.6,3.783936648,6,3.554,0.092,0.3

5、8,25,0.12,0.8,0.6,3.96329689,10,2.175,0.085,0.38,40,0.12,0.8,0.6,3.91844589,16,1.359,0.082,0.38,63,0.12,0.8,0.6,3.915886101,25,0.87,0.082,0.38,80,0.18,0.8,0.6,4.891165624,35,0.622,0.08,0.38,100,0.18,0.8,0.6,4.476348571,50,0.435,0.0079,0.38,125,0.18,0.8,0.6,3.617547643,70,0.31,0.0078,0.38,160,0.18,0.

6、8,0.6,3.316961164,95,0.229,0.077,0.38,200,0.18,0.8,0.6,3.764202208,120,0.181,0.077,0.38,250,0.18,0.8,0.6,3.917625445,150,0.145,0.077,0.38,320,0.18,0.8,0.6,4.258438348,185,0.118,0.077,0.38,360,0.18,0.8,0.6,4.152765016,240,0.091,0.077,0.38,400,0.13,0.8,0.6,2.820507999,300,0.135,0.077,0.38,0.18,0.8,0.6,0,400,0.11,0.077,0.38,200,0.18,0.8,0.6,