A sub-station supplies power at 11 kV, 0.8 p.f. lagging to a consumer through a single phase transmission line having total resistance (both go and return) of 0.15 ohm. The voltage drop in the line is 15%. If the same power is to be supplied to the same consumer by two wire d.c. system by a new line having a total resistance of 0.05 ohm and if the allowable voltage drop is 25%. calculate the d.c. supply voltage.

A sub-station supplies power at 11 kV, 0.8 p.f. lagging to a consumer through a single phase transmission line having total resistance (both go and return) of 0.15 ohm. The voltage drop in the line is 15%. If the same power is to be supplied to the same consumer by two wire d.c. system by a new line having a total resistance of 0.05 ohm and if the allowable voltage drop is 25%. calculate the d.c. supply voltage.

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 4.31P: Figure 4.37 shows the conductor configuration of a three-phase transmission line and a telephone...

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