bk +U-i Usk KCL: i=i -i b k ek k ek k KVL: D bk k 十 bk Ler:i=[in1in2…ig (KCL) 1“s2 1e2 B bI b2 bB D.U.(KVL 2 eB sIs2 Bbk ek sk KCL: i = i − i KVL bk =ek − sk : T b b b bB [ ]  =  1  2  • T b b b bB Let : i [i i i ] = 1 2  • T s s s sB i [i i i ] = 1 2  • T e e e eB i [i i i ] = 1 2  • i i i (KCL) b e s • • • = − T e e e eB [ ]  =  1  2  • T s s s sB [ ]  =  1  2  • (KVL) b e s • • •  =  − bk i ek i sk i +ek − + bk −  sk Zek