CH10 含有耦合电感的电路(转PDF)

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Unformatted text preview: 接: i R1 L 1 + 2 _ di 1 dt R = R1 + R2 串联顺接 i M di = u2 + M* 1 + L2 u1 L1dt L u1 = L1 3 di 1 dt * + u21 – M * –+ u L 2 R2 *u2 – – 去耦等 效电路 i L = L1 + L2 − 2 M R L & I & I M + u – L1-M 5 -M & & I1 I 2 L2-M L1+M & & I1 I 2 L2+M 6 1 二、空心变压器: & 原边回路 I1 R1 & US jω M + * & I2 R2 & I1 副边回路 * j ω L1 j ω L2 & I1 Z=R+jX – & US • • • • Z11 + * jω L1 – ( ωM )2 Y22 • & I1 = & I2 = 令 Z11=R1+jω L1, Z22=(R2+R)+j(ω L2+X) • 1 + & U1 N1 =n N2 *+ L2 u2 _ – = & − U oc Z eq + Z 引入阻抗 & U = S = Z11 + ( ωM )2 Y22 & I 8 N 1 − −...
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This document was uploaded on 01/12/2014.

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