来源:学生作业帮 编辑:拍题作业网作业帮 分类:综合作业 时间:2024/05/06 05:12:46
Δ-Y变换电阻等效的公式
Y->Δ :(Y形电阻两两乘积之和)/(Y形不相邻电阻),即:
R12=(R1R2+R2R3+R1R3)/R3
R23=(R1R2+R2R3+R1R3)/R1
R13=(R1R2+R2R3+R1R3)/R2
Δ->Y :Δ形相邻电阻之乘积/Δ形电阻之和,即:
R1=R12*R13/(R12+R13+R23)
R2=R12*R23/(R12+R13+R23)
R3=R13*R23/(R12+R13+R23)