A 160-km, 220-KV, 60 Hz three-phase line has a positive-sequence series impedance z= 0.06+j0.7 Ω/km and a positive-sequence shunt admittance y= j3.88 X 10-6 S/km. At full load, the line delivers 220 MW at 0.8 p.f. lagging and at 200 KV. Using the nominal π circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent of voltage regulation.

A 160-km, 220-KV, 60 Hz three-phase line has a positive-sequence series impedance z= 0.06+j0.7 Ω/km and a positive-sequence shunt admittance y= j3.88 X 10-6 S/km. At full load, the line delivers 220 MW at 0.8 p.f. lagging and at 200 KV. Using the nominal π circuit, calculate: (a) the ABCD parameters, (b) the sending-end voltage and current, and (c) the percent of voltage regulation.

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.43P: A three-phase line, which has an impedance of (2+j4) per phase, feeds two balanced three-phase loads...

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