三绕组变压器等效电路(3) 根据短路电压百分比计算电抗 2 X1= 10 U1% S1-2 %+Ua3%=U123% 100S N 2(0%+=:%=别)1x2=100 2 a9?%+U23%-2%) 3=~39 0 100S三绕组变压器等效电路（3） ( ) ( ) ( )          = + − = + − = + − − − − − − − − − − 0 0 0 1 2 0 0 2 3 0 0 1 3 0 3 0 0 0 1 3 0 0 2 3 0 0 1 2 0 2 0 0 0 2 3 0 0 1 3 0 0 1 2 0 1 2 1 2 1 2 1 s s s s s s s s s s s s U U U U U U U U U U U U            =  =  =  N s N N s N N s N S U U X S U U X S U U X 2 0 0 3 3 2 0 0 2 2 2 0 0 1 1 100 100 100 根据短路电压百分比计算电抗