*Problem 8 Consider a three-phase transmission line consisting of three concentric con- ductors, as shown in the figure. The spaces between the conductors are empty and the currents carried by the three conductors are: I = I, cos(kz – wt) %3| I2 = Io cos(kz –wt + 27/3) Iz = I, cos(kz – wt + 47/3) (a) Compute the electric and magnetic fields of the TEM wave propagating down this wire for all three regions. (b) Compute the total power carried down this cable by the electromag- netic wave.
*Problem 8 Consider a three-phase transmission line consisting of three concentric con- ductors, as shown in the figure. The spaces between the conductors are empty and the currents carried by the three conductors are: I = I, cos(kz – wt) %3| I2 = Io cos(kz –wt + 27/3) Iz = I, cos(kz – wt + 47/3) (a) Compute the electric and magnetic fields of the TEM wave propagating down this wire for all three regions. (b) Compute the total power carried down this cable by the electromag- netic wave.
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Transcribed Image Text:*Problem 8
Consider a three-phase transmission line consisting of three concentric con-
ductors, as shown in the figure. The spaces between the conductors are
empty and the currents carried by the three conductors are:
I = I, cos(kz - wt)
I2 = Io cos(kz – wt + 27/3)
%3D
I3 = Io cos(kz – wt + 4/3)
(a) Compute the electric and magnetic fields of the TEM wave propagating
down this wire for all three regions.
(b) Compute the total power carried down this cable by the electromag-
netic wave.
I3
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