A 400kV, 200km, 3-phase transmssion line have the follollowing parameters per phase: z = 0.14+j0.304 2/km, y = j5.306x10-6 s/km (a) Determine the ABCD constants of the transmsion line and draw the per-phase equivalent circuit using the nominal pi-model. (b) Determine the sending end voltage and the pecentage voltage regulation when the line is delivering a full-load of 600MW at 0.8 lagging p.f., at the rated voltage. (c) What is the purpose of shunt reactive power compenstation in transmission systems?

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 5.18P
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A 400kV, 200km, 3-phase transmssion line have the follollowing parameters per phase:
z = 0.14+j0.304 22/km, y =j5.306x10-6 s/km
(a) Determine the ABCD constants of the transmsion line and draw the per-phase equivalent circuit using
the nominal pi-model.
(b) Determine the sending end voltage and the pecentage voltage regulation when the line is delivering a
full-load of 600MW at 0.8 lagging p.f., at the rated voltage.
(c) What is the purpose of shunt reactive power compenstation in transmission systems?
Transcribed Image Text:: A 400kV, 200km, 3-phase transmssion line have the follollowing parameters per phase: z = 0.14+j0.304 22/km, y =j5.306x10-6 s/km (a) Determine the ABCD constants of the transmsion line and draw the per-phase equivalent circuit using the nominal pi-model. (b) Determine the sending end voltage and the pecentage voltage regulation when the line is delivering a full-load of 600MW at 0.8 lagging p.f., at the rated voltage. (c) What is the purpose of shunt reactive power compenstation in transmission systems?
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