电压降计算表(需知电流和距离)电缆截面积mm22.54610162535507095120150185240300400500630电缆电阻r(Ω/km)电缆电抗x(Ω/km)额定电压U(kV)101010101010101010101010101010101010电缆电流(A)距离L(km)功率因数cosφ0.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.80.8sinφ0.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.60.6电压损失ΔU﹪0.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.000.00