A 3-ph transmission line has a total length of 200 km. This transmission line has a resistance of 0.16 Ohm per phase per km, an inductive reactance of 0.25 Ohm per phase per km, and a shunt admittance of 1.6 micro Siemens per phase per km. When this transmission line is supplying a load with 20 MW at (V) kV and 0.8 lagging power factor where V = 100 +24 Using long length representation, find: 1- The voltage drop across this T.L. Suggest verifying your suggestion a way to decrease|this voltage drop to 50%. 2- The transmission line efficiency. 3- The loadability of transmission line (approximate calculations). Suggest verifying your suggestion a way to increase this loadability to three times. 4- The propagation velocity and the corresponding wave length.

A 3-ph transmission line has a total length of 200 km. This transmission line has a resistance of 0.16 Ohm per phase per km, an inductive reactance of 0.25 Ohm per phase per km, and a shunt admittance of 1.6 micro Siemens per phase per km. When this transmission line is supplying a load with 20 MW at (V) kV and 0.8 lagging power factor where V = 100 +24 Using long length representation, find: 1- The voltage drop across this T.L. Suggest verifying your suggestion a way to decrease|this voltage drop to 50%. 2- The transmission line efficiency. 3- The loadability of transmission line (approximate calculations). Suggest verifying your suggestion a way to increase this loadability to three times. 4- The propagation velocity and the corresponding wave length.

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

Chapter5: Transmission Lines: Steady-state Operation

Section: Chapter Questions

Problem 5.11P: A 40-km, 220-kV, 60-Hz, three-phase overhead transmission line has a per-phase resistance of...

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