9.2阻抗(导纳)的串联和并联 1.阻抗的串联 0=1+U2++0n=i(Z+Z2++Zn)=Z Z=∑Z=∑(R+X 分压公式 k Z9.2 阻抗(导纳)的串联和并联 U =U 1 +U 2 ++U n = I (Z1 + Z2 ++ Zn ) = I Z Z + - U I U Z Z U i i 分压公式 = = = = = + n k n k k k k Z Z R j X 1 1 ( ) Z1 + Z2 Zn U - I 1. 阻抗的串联