Question 1) A 154 kV transmission line has a length of 100 km. The line and the conductors are given in Figure 1. The line is operated at f= 50 Hz. For both old and new lines calculate; a. GMD and GMR. b. Inductance of the line in Henries (H). c. Series Impedance (Z) of the line in Ohms. d. *Compare the results for both lines and comment on the results. e. *If the distance between the two neighbouring conductors is increase from 13 meters to 15 meters what would be the parameters in part a.,b. and c. comment on the results. 13 m 13 m New Line's Conductors Old Line's Conductors d d r= 2 cm d d = 40 cm r=2 cm

Question 1) A 154 kV transmission line has a length of 100 km. The line and the conductors are given in Figure 1. The line is operated at f= 50 Hz. For both old and new lines calculate; a. GMD and GMR. b. Inductance of the line in Henries (H). c. Series Impedance (Z) of the line in Ohms. d. Compare the results for both lines and comment on the results. e. If the distance between the two neighbouring conductors is increase from 13 meters to 15 meters what would be the parameters in part a.,b. and c. comment on the results. 13 m 13 m New Line's Conductors Old Line's Conductors d d r= 2 cm d d = 40 cm r=2 cm

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 4.24P

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