Answered: 13.26 mH (a) 12 Vs C= ? 13.26 mH (b) ll

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13.26 mH (a) 12 Vs C= ? 13.26 mH (b) ll

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter13: Transmission Lines: Transient Operation

Section: Chapter Questions

Problem 13.15P

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Concept explainers

Z parameter

The Z-parameters that are the impedance parameters of a two-port network are defined by expressing the two-port voltages V1 and V2 in terms of two-port currents I1 and I2. The Z-parameters are calculated by open circuiting one of the two ports at a time henceforth they are called open-circuit impedance parameters.

Question

a. Find the equivalent impedance ZL shown in
Figure P4.66(a), as seen by the source, if the
frequency is 377 rad/s.
b. If we wanted the source to see the load as
completely resistive, what value of capacitance
should we place between the terminals a and b as
shown in Figure P4.66(b)? Hint: Find an expression
for the equivalent impedance Z_L, and then find C so
that the phase angle of the impedance is zero.

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