电缆金属层感应电势计算

电缆型号：YJLW02-64/110-400I=413Y1=0.085951722Xs=0.0424a=0.043552L=0.8kmb=0.101124三根电缆呈直线并列：A、C相Eso=I/2*SPRT(3*Y*ρ^(2)+(X-a/2)*ρ^(2))=31.0358217.5112A、C相Es=Ls*Eso=24.828659VB相Es=Ls*Eso=14.00896VY2=0.064175861三根电缆呈等边三角形：A、C相Eso=I/2*SPRT(3*Y*ρ^(2)+(X-a)*ρ^(2))=22.9549217.5112A、C相Es=Ls*Eso=18.36393237VB相Es=Ls*Eso=14.00896VY3=0.136513705两回电缆等距直线布置（相序同）：A、C相Eso=I/2*SPRT(3*Y*ρ^(2)+(X-b/2)*ρ^(2))=48.85573B相Eso=I*(Xs+a/2)=26.50463A、C相Es=Ls*Eso=39.0845859VB相Es=Ls*Eso=21.20370444VY3=0.035389739两回电缆等距直线布置（相序反）A、C相Eso=I/2*SPRT(3*Y*ρ^(2)+(X-b/2)*ρ^(2))=12.76951B相Eso=I*(Xs+a/2)=26.50463A、C相Es=Ls*Eso=10.21561158VB相Es=Ls*Eso=21.20370444VB相Eso=I*Xs=B相Eso=I*Xs=交流系统单芯电缆金属层正常感应电势计算：电缆截面20°90°2400.07540.0973000.06010.07774000.0470.06135000.03660.04856300.02830.03848000.02210.0310.101124导体电阻