A 60 Hz, 230 kV, 275 km long, uncompensated three-phase transmission line consists of three conductors bundled by phase, such that each conductor in the line is of the ACSR Falcon type. The separation between each bundled conductor is d = 45 cm and the separation between each phase of the line is 2.4 m. Calculate: "The parameters R, L, C of the line in Q2/km; µH/m and nF/m. And the total values of ZL and YC in Q and S, respectively, and in polar coordinates." Generalized constants A, B, C and D of the line, according to the type of transmission line. Present the results in rectangular coordinates. If a three-phase wye load draws 3/4 of the nominal current of the 300 MW system with FP = 0.85 lagging and at 230 kV, calculate: (a) Current at the load in KA (b) Voltage at the source in KV, (c) Current at the source in kA and (d) power at the source in MVA. Obtain the results per phase. Transmission line voltage regulation percentage

A 60 Hz, 230 kV, 275 km long, uncompensated three-phase transmission line consists of three conductors bundled by phase, such that each conductor in the line is of the ACSR Falcon type. The separation between each bundled conductor is d = 45 cm and the separation between each phase of the line is 2.4 m. Calculate: "The parameters R, L, C of the line in Q2/km; µH/m and nF/m. And the total values of ZL and YC in Q and S, respectively, and in polar coordinates." Generalized constants A, B, C and D of the line, according to the type of transmission line. Present the results in rectangular coordinates. If a three-phase wye load draws 3/4 of the nominal current of the 300 MW system with FP = 0.85 lagging and at 230 kV, calculate: (a) Current at the load in KA (b) Voltage at the source in KV, (c) Current at the source in kA and (d) power at the source in MVA. Obtain the results per phase. Transmission line voltage regulation percentage

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 4.10MCQ: Transmission line conductance is usually neglected in power system studies. True False

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