(b)Explain why the low voltage problem at higher loading is more severe in anuncompensated over-head transmission system than in an underground cable systemof the same voltage rating.(c)Evaluate the voltage regulation of a short line, a medium line (T-model) and losslesslong line under light or no load conditions. Use appropriate equations to inform yourevaluation; comment on the relative magnitudes of the voltages at both ends of theline and clearly state any assumptions made to support your analysis.Steel WireAluminum Wire(R-H Lay)Figure Q1 Steel core ACSR.

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Explain why the low voltage problem at higher loading is more severe in an uncompensated over-head transmission system than in an underground cable system of the same voltage rating.

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 4.6P: A three-phase overhead transmission line is designed to deliver 190.5 M VA at 220 kV over a distance...

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Methods of Wiring

Electrical wiring is the way of integrating cables and wires to interconnected equipment such as fuses, switches, sockets, lights, fans, and so on to the main distribution board, which is a specific structure attached to the utility pole that ensures a constant power supply.

Question

(b)
Explain why the low voltage problem at higher loading is more severe in an
uncompensated over-head transmission system than in an underground cable system
of the same voltage rating.
(c)
Evaluate the voltage regulation of a short line, a medium line (T-model) and lossless
long line under light or no load conditions. Use appropriate equations to inform your
evaluation; comment on the relative magnitudes of the voltages at both ends of the
line and clearly state any assumptions made to support your analysis.
Steel Wire
Aluminum Wire
(R-H Lay)
Figure Q1 Steel core ACSR.

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