The t equivalent of the transformer In side(同侧): V1=jOL 11+joM 12 1) v2=jOMI1+jOL 12 (2) =11+12(3) M (3)→>2 1 L jOL I1+jaM(-11 jOL-MI1+joM I (3)→> i1=i-i2→(2) +L1-M3L2-M+ 2=joM(-12)+JaL 12 +M jaMI+jo( -/2 Out of side(异侧):(L1+M,L2+M,MThe T equivalent of the transformer 1 2 (1) 1 1 • • • V = jL I + jM I 2 (2) 2 2 1 • • • V = jM I + jL I 1 2 (3) • • • I = I + I (3) → 2 = − 1 → (1) • • • I I I • • = j L − M I 1+ jM I 1 ( ) (3) → 1 = − 2 → (2) • • • I I I 2 2 ( ) • • = jM I+ j L − M I 1 ( 1 ) 1 1 • • • • V = jL I + jM I− I 2 2 2 ( 2 ) • • • • V = jM I− I + jL I In side(同侧): Out of side (异侧): (L1+M, L2+M,-M)