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b) A coaxial cable has a dielectric of relative permittivity 2 + 0.1X and a characteristic impedance Zo 50n. Calculate its phase velocity, capacitance per m, inductance per m, and suggest one way of increasing its value of Zo.

b) A coaxial cable has a dielectric of relative permittivity 2 + 0.1X and a characteristic impedance Zo 50n. Calculate its phase velocity, capacitance per m, inductance per m, and suggest one way of increasing its value of Zo.

Power System Analysis and Design (MindTap Course List)
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
Chapter4: Transmission Line Parameters
Section: Chapter Questions
Problem 4.26MCQ: Does r=e14r=0.788r, which comes in calculation of inductance, play a role in capacitance...
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/ 12 A coaxial cable has a dielectric of relative permittivity 2 + 0.1X and a b) characteristic impedance Zo = 502, Calculate its phase velocity, capacitance per m, inductance per m, and suggest one way of increasing its value of Zo. Calculate the current and voltage amplitudes of a 50 Hz surge of ms power c) 1 + X kW propagating down the 502 cable of Q4.b), and also deduce the matched source circuit that would produce this surge. The surge of Q4.c) arrives at the junction shown in Figure 4, where ZL = 1002 d) and Z, = 750. Both Zj lines are terminated in matched loads, not Calculate the ms reflected, transmitted and dissipated powers at this junction on the arrival of the surge, and verify that energy is conserved. own. Z,= 502 Figure 4 The 502 coaxial cable of Q4.b) connecting the matched source of Q4.c) to the e) junction is 2.7 km long and the surge is launched at a time 1 = Os. Sketch fully- labelled graphs of the voltage and current amplitudes at both the source terminals and load terminals at subsequent times > 0s (graph paper is not needed).
Transcribed Image Text:/ 12 A coaxial cable has a dielectric of relative permittivity 2 + 0.1X and a b) characteristic impedance Zo = 502, Calculate its phase velocity, capacitance per m, inductance per m, and suggest one way of increasing its value of Zo. Calculate the current and voltage amplitudes of a 50 Hz surge of ms power c) 1 + X kW propagating down the 502 cable of Q4.b), and also deduce the matched source circuit that would produce this surge. The surge of Q4.c) arrives at the junction shown in Figure 4, where ZL = 1002 d) and Z, = 750. Both Zj lines are terminated in matched loads, not Calculate the ms reflected, transmitted and dissipated powers at this junction on the arrival of the surge, and verify that energy is conserved. own. Z,= 502 Figure 4 The 502 coaxial cable of Q4.b) connecting the matched source of Q4.c) to the e) junction is 2.7 km long and the surge is launched at a time 1 = Os. Sketch fully- labelled graphs of the voltage and current amplitudes at both the source terminals and load terminals at subsequent times > 0s (graph paper is not needed).
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