3.等效电路 1=101-10oM2…(l =10- 将M=√LL2代入 0( v1V11 2 2=1021-1)=10(2(-2) 即U 闪四 西南交通大学西南交通大学 3.等效电路 ïî ï í ì = - ×××××× = - ×××××× (2) (1) 2 1 2 2 1 1 1 2 U j MI j L I U j L I j MI & & & & & & w w w w 将M = L1L2 代入 ( ) ï ( ) î ï í ì = - = - = - = - 2 1 2 1 2 2 2 1 1 2 2 1 1 1 1 2 2 1 1 1 2 2 ( ) ( ) U j L L I L I j L L I L I U j L I L L I j L L I L I & & & & & & & & & & w w w w n N N L L U U = = = 2 1 2 1 2 1 & & 即 1 U2 U n & = & M L1 L2 + - ZL + - U1 & U2 & 1 I & 2 I &