Frequency characteristIcs(AL, Ac, X,z,y, vso) Z=R+jX=R+j(XL +Xo=R+jOL-=z29Frequency characteristics(XL , XC , X , z , y,  vs ) .   = + = + + = +  − = z C Z R jX R j XL XC R j L ) 1 ( ) ( XL XC X R r  z r  y  r  / 2 − / 2  z