4
公式如下:
截面(平方毫米)=IF(A1="4/0",0,IF(A1="3/0",0,IF(A1="2/0",0,IF(A1="1/0",0,IF(A1<=48,0,A1*0.5067074791)))))+ROUND((460*0.89052571^(IF(A1="4/0",1,IF(A1="3/0",2,IF(A1="2/0",3,IF(A1="1/0",4,A1+4))))-1))^2,-1)*0.0005067074791
AI:填線規(guī)或千圓密爾(AWG :4/0 至 36 整數(shù) ,MCM:250 至 2500 都可以的)
大家可以試試喲
