三绕组变压器等效电路(2) 根据短路损耗计算电阻 P1=(P2+3队P2 1000S 2 N 2 +P P s2 s2 2 s1-2 S2-3 1-3)R2 S 1000S 2 s32 (P13+P323-P12) R,= P 1000S三绕组变压器等效电路(2) ( ) ( ) ( ) = + − = + − = + − − − − − − − − − − 3 1 3 2 3 1 2 2 1 2 2 3 1 3 1 1 2 1 3 2 3 2 1 2 1 2 1 s s s s s s s s s s s s P P P P P P P P P P P P = = = 2 2 3 3 2 2 2 2 2 2 1 1 1000 1000 1000 N s N N s N N s N S P U R S P U R S P U R 根据短路损耗计算电阻