电线最全计算公式

绞合系数k 1.01绞合根数n 10截面系数c 0.97ohm=

10.37*k/(1000*n*c*(d/25.4)^2*f)=

单根导体直径

d 0.12较正系数f 0.97标准电阻率ρ00.017241直流电阻

ohm=

0.16363944

1.导体电阻计算方法:

10.37*k/(1000*n*c*(d/25.4)^2*f)=49.8725533ohms/1000ft

163.516568ohms/1km